91.080.40 - Concrete structures
ICS 91.080.40 Details
Concrete structures
Betonbau
Structures en béton
Betonske konstrukcije
General Information
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The proposed document provides the life cycle management of concrete structures particularly focusing on the structural planning and design stage on the basis of the framework and general principles specified by ISO 22040, Life cycle management. This document is applicable to not only newly constructed structures but also existing structures when their life cycle is restarted. This document specifies on how performance requirements should be considered at the planning and design stage and also how the basic LCM scenario should be drawn up. Management items at the design stage are clearly defined and information that may be fed back to the planning stage and be transferred to the execution stage is described.
- Standard8 pagesEnglish languagesale 15% off
(1) This document deals with the design of concrete structures for the accidental situation of fire
exposure and is intended to be used in conjunction with EN 1992-1-1 and EN 1991-1-2:—1. This
document identifies differences from, or supplements to, normal temperature design.
(2) This document applies to concrete structures required to fulfil a loadbearing function, separating
function, insulation function or all of them.
(3) This document gives principles and application rules for the design of structures for specified
requirements in respect of the aforementioned functions and the levels of performance.
(4) This document applies to structures, or parts of structures, that are within the scope of
EN 1992-1-1 and are designed accordingly.
- Standard88 pagesEnglish languagesale 10% offe-Library read for1 day
This standard gives the general basis for the design of structures in plain, reinforced and prestressed concrete made with normal weight, lightweight and heavyweight aggregates together with specific rules for buildings, bridges and civil engineering structures, including temporary structures, under temperature conditions between –40 °C and +100 °C generally. It complies with the principles and requirements for the safety, serviceability, durability and robustness of structures, the basis of their design and verification that are given in EN 1990 Basis of structural and geotechnical design.
EN 1992 is only concerned with the requirements for resistance, serviceability, durability, robustness and fire resistance of concrete structures. Other requirements, e.g. concerning thermal or sound insulation, are not considered.
This Part 1-1 does not cover:
− resistance to fire (see EN 1992-1-2),
− fastenings in concrete (see EN 1992-4),
− seismic design (see EN 1998),
− particular aspects of special types of civil engineering works (such as dams, pressure
vessels),
− design with galvanised reinforcing steel,
− structures made with no-fines concrete, aerated or cellular concrete, lightweight aggregate
concrete with open structure components,
− structures containing structural steel sections (see EN 1994 for composite steel-concrete
structures),
− Structural parts made of concrete with D_lower < 8 mm, unless otherwise stated in the code.
- Standard402 pagesEnglish languagesale 10% offe-Library read for1 day
This document provides a framework and basic rules on environmental management related to concrete and concrete structures. This includes the assessment of the environmental impacts and methods of implementing environmental improvement based on the assessment. This document is used for the environmental consideration in activities related to the production of concrete constituents, the production, recycling and disposal of concrete, and the design, execution, use and demolition of concrete structures. It is applied for their entire lifecycles, respective stages of the lifecycles, or certain ranges of the lifecycles. This document is applicable to newly produced concrete and newly constructed concrete structures, and also existing concrete and concrete structures. This document applies to single concretes, concrete families, single concrete structures, and concrete structure complexes. For materials other than concrete, the related ISO standards are applied where available. In the case where no ISO standard is available, such materials are appropriately dealt with referring to this document and the normative references. This document covers global, regional and local environments. This document does not directly deal with the environmental impacts resulting from the operation of equipment installed in concrete structures. However, the special properties of concrete and concrete structures affecting the operational efficiency of such equipment are considered in this document. This document covers secondary effects of the production of concrete and execution of concrete structures. NOTE The secondary effects of the production of concrete include the future possibility of leaching of heavy metals from concrete or the absorption of heavy metals from the environment, the effect of waste treatments on the environment, etc. This document covers the economic and social effects of environmental consideration in the production of concrete and execution of concrete structures.
- Standard15 pagesEnglish languagesale 15% off
This document specifies technical requirements for factory made sheets or rolls of welded fabric, manufactured from steel wires or bars with diameters from 4 mm to 18 mm and designed for the reinforcement of concrete structures and the ordinary reinforcement of prestressed concrete structures.
- Standard12 pagesEnglish languagesale 15% off
1.1 Scope of prEN 1992 1 2
(1) This document deals with the design of concrete structures for the accidental situation of fire exposure and is intended to be used in conjunction with prEN 1992 1 1 and EN 1991 1 2. This document identifies differences from, or supplements to, normal temperature design.
(2) This document applies to concrete structures required to fulfil a loadbearing function, separating function or both.
(3) This document gives principles and application rules for the design of structures for specified requirements in respect of the aforementioned functions and the levels of performance.
(4) This document applies to structures, or parts of structures, that are within the scope of prEN 1992 1 1 and are designed accordingly.
(5) The methods given in this document are applicable to normal weight concrete up to strength class C100/115 and lightweight concrete up to strength class LC50/60.
1.2 Assumptions
(1) In addition to the general assumptions of prEN 1990 the following assumptions apply:
- the choice of the relevant design fire scenario is made by appropriate qualified and experienced personnel or is given by the relevant national regulation;
- any fire protection measure taken into account in the design will be adequately maintained.
- Standard88 pagesEnglish languagesale 10% offe-Library read for1 day
1.1 Scope of FprEN 1992-1-1
(1) This document gives the general basis for the design of structures in plain, reinforced and prestressed concrete made with normal weight, lightweight and heavyweight aggregates. It gives specific rules for buildings, bridges and civil engineering structures, including temporary structures; additional requirements specific to bridges are given in Annex K. The rules are valid under temperature conditions between −40 °C and +100 °C generally. This document complies with the principles and requirements for the safety, serviceability, durability and robustness of structures, the basis of their design and verification that are given in EN 1990.
(2) This document is only concerned with the requirements for resistance, serviceability, durability, robustness and fire resistance of concrete structures. Other requirements, e.g. concerning thermal or sound insulation, are not considered.
(3) This document does not cover:
- resistance to fire (see EN 1992 1 2);
- fastenings in concrete (see EN 1992 4);
- seismic design (see EN 1998 (all parts));
- particular aspects of special types of civil engineering works (such as dams, pressure vessels);
- structures made with no-fines concrete, aerated or cellular concrete, lightweight aggregate concrete with open structure components;
- structures containing steel sections considered in design (see EN 1994 (all parts)) for composite steel and concrete structures;
- structural parts made of concrete with a smallest value of the upper sieve aggregate size Dlower < 8 mm (or if known Dmax < 8 mm) unless otherwise stated in this Eurocode.
1.2 Assumptions
(1) The assumptions of EN 1990 apply to FprEN 1992-1-1.
(2) It is assumed that the requirements for execution and workmanship given in EN 13670 are complied with.
- Standard402 pagesEnglish languagesale 10% offe-Library read for1 day
This document provides the principles and procedures for environmental management related to production of concrete constituents and concrete. This document covers the following: — concrete constituents: cement, admixtures, additions, aggregate and mixing water; — concrete and precast concrete.
- Standard14 pagesEnglish languagesale 15% off
This document indicates the minimum training and registration requirements for post-tensioning personnel involved in the installation of post-tensioning kits in concrete structures using bonded or unbonded tendons in accordance with the relevant execution specifications, product standard and/or European Technical Assessment (ETA) contract specification.
A CEN technical standard does not deal with contracts, but the specification (in this case the execution specification).
This document describes the tasks that the various categories of post-tensioning personnel can undertake.
For the purposes of this document, post-tensioning personnel means: (Site-)Manager, Supervisors, Operatives and Trainees who are directly or indirectly employed on a sub-contract basis.
This document does not cover safety and health aspects.
This document does not cover contractual issues.
Part 2 of this standard deals with the assessment of competence.
Note: It is within the concept of this standard that supplementing requirements can be given in the execution specification or in a national annex.
- Standard8 pagesEnglish languagesale 10% offe-Library read for1 day
- National annex2 pagesSlovenian languagesale 10% offe-Library read for1 day
This document specifies the scheme for assessment and verification of competence of personnel installing post-tensioning kits.
The document provides provisions for the training providers, assessment bodies and possible certification bodies.
Requirements to the minimum competence and experience for personnel installing post-tensioning kits are given in EN 17678-1.
This document can be amended with a national annex where indicated in the text.
- Standard8 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the standards for design and construction using the bottom-surface (soffit) underlaying method. Bottom-surface (soffit) underlaying is a method whereby reinforcing materials are placed on the bottom surface of the slabs or beams whose performance is lower than required and the improvement of durability, serviceability, safety and other performance of the members is achieved by the integrity between the reinforcing materials and existing members. This document specifies structural intervention of existing concrete structures using cementitious materials design and execution principles, and strategies for defects and on-going deterioration including, but not limited to: a) mechanical actions, e.g. fatigue, impact, overloading, movement caused by settlement, blast, vibration, and seismic actions; b) chemical and biological actions from environments, e.g. sulfate attack, alkali-aggregate reaction; c) physical actions, e.g. freeze–thaw, thermal cracking, moisture movement, salt crystallization, fire, and erosion; d) reinforcement corrosion; e) original construction defects that remained unaddressed from the time of construction.
- Standard28 pagesEnglish languagesale 15% off
This document specifies the standard requirements regarding design, construction and maintenance to be applied for structural intervention using the jacketing method, which places reinforcing materials such as reinforcing steel or fibre-reinforced polymer (FRP) grids around the periphery of existing concrete column or beam and jackets these members with cementitious materials. This document specifies structural intervention of existing concrete structures using cementitious materials design and execution principles, and strategies for defects and on-going deterioration including, but not limited to: a) mechanical actions, e.g. fatigue, impact, overloading, movement caused by settlement, blast, vibration, and seismic actions; b) chemical and biological actions from environments, e.g. sulfate attack, alkali-aggregate reaction; c) physical actions, e.g. freeze–thaw, thermal cracking, moisture movement, salt crystallization, fire, and erosion; d) reinforcement corrosion; e) original construction defects that remained unaddressed from the time of construction.
- Standard22 pagesEnglish languagesale 15% off
This document specifies the standards for design, construction and maintenance following completion of intervention to be applied for performing intervention work using cementitious materials to improve the performance of existing concrete structures. The intervention dealt with in this document is intended to restore, sustain or improve the mechanical performance of concrete structures. When the intervention is aimed at restoring or improving durability, reference should be made to relevant documents. This document covers the overlaying, underlaying and jacketing methods using cementitious materials. The intervention with cementitious materials is covered in ISO 16311-1, Clause 4.
- Standard22 pagesEnglish languagesale 15% off
This document specifies the standards for design and construction using the top-surface overlaying method, which increases the thickness of existing concrete members by integrating cementitious materials onto the top surface of the members so as to improve the safety, serviceability, durability and other properties of a concrete structure. This document specifies structural intervention of existing concrete structures using cementitious materials design and execution principles, and strategies for defects and on-going deterioration including, but not limited to: a) mechanical actions, e.g. fatigue, impact, overloading, movement caused by settlement, blast, vibration, and seismic actions; b) chemical and biological actions from environments, e.g. sulfate attack, alkali-aggregate reaction; c) physical actions, e.g. freeze–thaw, thermal cracking, moisture movement, salt crystallization, fire, and erosion; d) reinforcement corrosion; e) original construction defects that remained unaddressed from the time of construction.
- Standard18 pagesEnglish languagesale 15% off
This document specifies a laboratory test method for the qualitative determination of the retention level of chemical resistance of repair materials in repaired cracks of concrete structures in conditions where the material is either underwater or in contact with water that can have various chemical components present.
- Technical specification8 pagesEnglish languagesale 15% off
This document specifies a laboratory test method for indirectly measuring the adhesion performance of repair material to wet concrete crack surfaces by qualitatively, as a pass/fail at predetermined time, against predetermined amount of weight exerted on the repair material adhesion. NOTE This document classifies and categorizes materials that are tested into families of similar properties for the purpose of making relative comparisons with the data results.
- Technical specification12 pagesEnglish languagesale 15% off
This document specifies a laboratory test method on the quantitative determination of repair materials performance and resistance against erosion and wash out due to underground water flow.
- Technical specification8 pagesEnglish languagesale 15% off
This document indicates the minimum training and registration requirements for post-tensioning personnel involved in the installation of PT kits in concrete structures using bonded or unbonded tendons in accordance with the relevant execution specifications, product standard and/or European Technical Assessment (ETA).
This document describes the tasks that the various categories of PT personnel can undertake.
For the purposes of this document, PT personnel means: PT-Manager, Supervisors, Operatives and Trainees who are directly employed or indirectly employed on a sub-contract basis.
This document does not cover general safety and health aspects.
This document does not cover contractual issues.
prEN 17678-2 deals with the assessment of competence.
Note: It is within the concept of this document that supplementing requirements can be given in the execution specification or in a national annex.
- Standard13 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the minimum training and registration requirements for post-tensioning personnel involved in the installation of PT kits. These PT kits are typically used in concrete structures using bonded or unbonded tendons in accordance with the relevant execution specifications, product standard and / or appropriate technical assessment.
This document specifies the tasks that the various categories of PT personnel can undertake.
For the purposes of this document, PT personnel means: PT Manager, PT Supervisors, PT Operatives and PT Trainees who are directly employed or indirectly employed on a sub-contract basis.
This document does not cover general safety and health aspects.
This document does not cover contractual issues.
prEN 17678-2:2022 deals with the assessment of competence.
- Standard13 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies performance requirements for cathodic protection of steel in cement-based
concrete, in both new and existing structures. It covers building and civil engineering structures,
including carbon steel reinforcement and prestressed reinforcement embedded in the concrete. It is
applicable to uncoated steel reinforcement and to organic-coated steel reinforcement. It is not applicable
to reinforced concrete containing electrically conductive fibres (e.g. carbon or steel).
This document applies to steel embedded in atmospherically exposed, buried, immersed and tidal
elements of buildings or structures.
This document is only applicable to the applications of cathodic protection to steel in concrete which
are designed with the intention to, and can be demonstrated to, meet the criteria of protection specified
in 8.6. This requires the provision of sufficient performance monitoring systems as specified in 6.3 to
all parts of the structure intended to be protected, in order to assess the extent to which the criteria in
8.6 are met.
This document does not apply to galvanic anodes or systems applied into patch repairs to reduce the
effects of ‘incipient anodes’. This document does also not apply to any form of cathodic protection
systems or other electrochemical treatments that either cannot meet the requirements of 8.6 or are not
provided with the performance monitoring systems (see 6.3) that are necessary to assess whether the
criteria of protection specified in 8.6 are met.
NOTE 1 Annex A gives guidance on the principles of cathodic protection and its application to steel in concrete.
NOTE 2 This document, while not specifically intended to address cathodic protection of steel in any
electrolyte except concrete, can be applied to cathodic protection of steel in other cementitious materials such as
are found, for example, in early 20th century steel-framed masonry, brick and terracotta clad buildings. In such
applications, additional considerations specific to these structures are required in respect of design, materials
and installation of cathodic protection; however, the requirements of this document can be applied to these
systems
- Standard66 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies requirements for unidirectional carbon fibre-reinforced polymer (CFRP) strips as external-bonded reinforcements on the concrete substrate. This document is applicable for the CFRP strips that: — consist of carbon fibre and thermoset resin; — are manufactured by pultrusion method; — have a carbon fibre fraction over 60 % by volume; and — have a thickness within 3 mm. This document specifies the methodologies to express the mechanical properties as characteristic values, appearance and dimensions, and sampling test.
- Standard6 pagesEnglish languagesale 15% off
1.1 Scope of CEN/TS 19103
(1) CEN/TS 19103 gives general design rules for timber-concrete composite structures.
(2) It provides requirements for materials, design parameters, connections, detailing and execution for timber-concrete composite structures. Recommendations for environmental parameters (temperature and moisture content), design methods and test methods are given in the Annexes.
(3) It includes rules common to many types of timber-concrete composite, but does not include details for the design of glued timber-concrete composites, nor for bridges.
NOTE For the design of glued timber-concrete composites or bridges alternative references are available.
(4) It covers the design of timber-concrete composite structures in both quasi-constant and variable environmental conditions. For ease of use, it provides simple design rules for quasi-constant environmental conditions and more complex rules for variable environmental conditions.
1.2 Assumptions
(1) The general assumptions of EN 1990 apply.
(2) CEN/TS 19103 is intended to be used in conjunction with EN 1990, EN 1991 (all parts), EN 1992 (all parts), EN 1994 (all parts), EN 1995 (all parts), EN 1998 (all parts) when timber structures are built in seismic regions, and ENs for construction products relevant to timber structures.
- Technical specification58 pagesEnglish languagesale 10% offe-Library read for1 day
1.1 Scope of CEN/TS 19103
(1) CEN/TS 19103 gives general design rules for timber-concrete composite structures.
(2) It provides requirements for materials, design parameters, connections, detailing and execution for timber-concrete composite structures. Recommendations for environmental parameters (temperature and moisture content), design methods and test methods are given in the Annexes.
(3) It includes rules common to many types of timber-concrete composite, but does not include details for the design of glued timber-concrete composites, nor for bridges.
NOTE For the design of glued timber-concrete composites or bridges alternative references are available.
(4) It covers the design of timber-concrete composite structures in both quasi-constant and variable environmental conditions. For ease of use, it provides simple design rules for quasi-constant environmental conditions and more complex rules for variable environmental conditions.
1.2 Assumptions
(1) The general assumptions of EN 1990 apply.
(2) CEN/TS 19103 is intended to be used in conjunction with EN 1990, EN 1991 (all parts), EN 1992 (all parts), EN 1994 (all parts), EN 1995 (all parts), EN 1998 (all parts) when timber structures are built in seismic regions, and ENs for construction products relevant to timber structures.
- Technical specification58 pagesEnglish languagesale 10% offe-Library read for1 day
This document provides information to perform the design of the prestressed concrete I-girder bridge for road that complies with the limitations established in 6.1. The rules of design set forth in this document are simplifications of more elaborate requirements. Designs and details for new road bridges address structural integrity by considering the following: — the use of continuity and redundancy to provide one or more alternate paths; — structural members and bearing seat widths that are resistant to damage or instability; and — external protection systems to minimize the effects of reasonably conceived severe loads.
- Standard93 pagesEnglish languagesale 15% off
- Standard93 pagesEnglish languagesale 15% off
This document provides information to perform the design of the prestressed concrete box girder bridge for road that complies with the limitations established in 6.1. The rules of design as set forth in the document are simplifications of more elaborate requirements. Among several erection methods of box girder bridges, the provisions of this document are mainly applicable to full staging method (FSM). Designs and details for new road bridges address structural integrity by considering the following: — the use of continuity and redundancy to provide one or more alternate paths; — structural members and bearing seat widths that are resistant to damage or instability; and — external protection systems to minimize the effects of reasonably conceived severe loads.
- Standard83 pagesEnglish languagesale 15% off
- Standard83 pagesEnglish languagesale 15% off
This document provides the principles for implementing life cycle management (LCM) of concrete structures throughout the stages of planning, design, execution, use and end-of-life, as well as the framework and procedures for LCM. This document is applicable not only to new structures but also existing structures. It is also applicable to the entire life cycle and each one or more stages composing the life cycle of a structure. NOTE Details in the procedures and specific methodologies for management in each stage of structure's life cycle based on this document is established separately.
- Standard7 pagesEnglish languagesale 15% off
- Standard7 pagesEnglish languagesale 15% off
This document specifies requirements for steel strand which has been given a stress-relieving heat treatment according to the general requirements specified in ISO 6934-1. This document covers 10 grades of steel strand for use in prestressed concrete construction; each strand can contain either 2, 3, 7 or 19 individual wires. In case of any conflict between the requirements of this document and ISO 6934-1, the requirements of document prevail.
- Standard9 pagesEnglish languagesale 15% off
- Standard9 pagesEnglish languagesale 15% off
This Technical Report explains the reasoning behind the requirements and procedures given in EN 13791 [1] and why some concepts and procedures given in EN 13791:2007 [2] were not adopted in the 2017 revision. The annex comprises worked examples of the procedures given in EN 13791.
- Technical report67 pagesEnglish languagesale 10% offe-Library read for1 day
This document explains the reasoning behind the requirements and procedures given in EN 13791 [1] and why some concepts and procedures given in EN 13791:2007 [2] were not adopted in the 2019 revision. The annex comprises worked examples of the procedures given in EN 13791:2019.
- Technical report67 pagesEnglish languagesale 10% offe-Library read for1 day
The present document refers to the panel-to-structure and panel-to panel connections used for the cladding systems of reinforced concrete frame structures of single-storey buildings, typically precast. They can be used also for multi-storey buildings with proper modifications. The fastening devices considered in the present document consist mainly of steel elements or sliding connectors. Dissipative devices with friction or plastic behaviour are also considered. Other types of common supports and bond connections are treated where needed. The use of any other existing fastening types or the connections with different characteristics than those described in the following clauses is not allowed unless comparable experimental and analytical studies do provide the necessary data and verify the design methodology for the particular type.
- Standard83 pagesEnglish languagesale 15% off
- Standard83 pagesEnglish languagesale 15% off
This document provides a guideline for the selection of a proper grout material to repair water leakage through cracks and other deformities in concrete structures. The factors relevant to the quality control of maintenance and repair of water-leakage cracks are as the following; a) conditions of water-leakage cracks; b) performance requirements for repair materials; c) different types of repair materials (grouts); d) procedures followed to select the appropriate repair materials; e) execution of different types of repair methods; f) performance assessments of applied materials and methods; g) data collection. This document does not include any details on the repair of dry cracks and the causes of cracks. The details on dry crack repair are covered in ISO 16311-4. A flow chart for maintenance of water-leakage cracks is shown in Figure 1.
- Technical report15 pagesEnglish languagesale 15% off
- Technical report15 pagesEnglish languagesale 15% off
This document provides general principles for the verification and assessment of the performance of concrete structures with the applications of different fibre-reinforced polymer (FRP) systems varying from internal FRP reinforcements/tendons, external FRP tendons, externally bonded FRP sheets/plates, to near-surface mounted FRP reinforcement. It can be used for the international harmonization of the design of un-reinforced, conventionally reinforced, and pre-stressed concrete structures with the use of the above-mentioned FRP systems.
- Standard7 pagesEnglish languagesale 15% off
- Standard7 pagesEnglish languagesale 15% off
(1) This document:
- gives methods and procedures for the estimation of the in situ compressive strength and characteristic in situ compressive strength of concrete in structures and precast concrete components using direct methods (core testing) and indirect methods, e.g. ultra-sonic pulse velocity, rebound number;
NOTE To align with the design standard EN 1992-1-1, where the compressive strength is based on 2:1 cylinders, the in situ compressive strength is based in 2:1 cores of diameter ≥ 75 mm.
- provides principles and guidance for establishing the relationships between test results from indirect test methods and the in situ compressive strength;
- provides procedures and guidance for assessing the conformity with the compressive strength class of concrete supplied to structures under construction where standard tests indicate doubt or where the quality of execution is in doubt.
(2) This document provides requirements for determining the in situ strength at test locations and the characteristic strength of test regions, but how this information is to be applied needs to be considered in the light of the specific situation and engineering judgement applied to the specific case.
(3) This document does not include the assessment of the quality of concrete for properties other than compressive strength, e.g. durability-related properties.
(4) This document is not for the assessment of conformity of concrete compressive strength in accordance with EN 206 or EN 13369, except as indicated in EN 206:2013+A1:2016, 5.5.1.2 or 8.4.
(5) This document does not cover the procedures or criteria for the routine conformity control of precast concrete components using either direct or indirect measurements of the in situ strength.
(3) This document does not include the assessment of the quality of concrete for properties other than compressive strength, e.g. durability-related properties.
(4) This document is not for the assessment of conformity of concrete compressive strength in accordance with EN 206 or EN 13369, except as indicated in EN 206:2013+A1:2016, 5.5.1.2 or 8.4.
(5) This document does not cover the procedures or criteria for the routine conformity control of precast concrete components using either direct or indirect measurements of the in-situ strength.
- Standard41 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies requirements and provides recommendations applicable to fixed, floating and grounded concrete offshore structures for the petroleum and natural gas industries and for structures supporting nationally-important power generation, transmission or distribution facility. This document specifically addresses - the design, construction, transportation and installation of new structures, including requirements for in-service inspection and possible removal of structures, - the assessment of structures in service, and - the assessment of structures for reuse at other locations. This document is intended to cover the engineering processes needed for the major engineering disciplines to establish a facility for offshore operation.
- Standard127 pagesEnglish languagesale 10% offe-Library read for1 day
This document refers to connections in precast frame systems, either for single-storey or multi-storey buildings. The connections for all orders of joints are considered. Large wall panel and three-dimensional cell systems are not considered. According to the position in the overall construction and of the consequent different structural functions, the seven following orders of joints are considered: a) mutual joints between floor or roof elements (floor-to-floor) that, in the seismic behaviour of the structural system, concern the diaphragm action of the floor; b) joints between floor or roof elements and supporting beams (floor-to-beam) that give the peripheral constraints to the floor diaphragm in its seismic behaviour; c) joints between beam and column (beam-to-column) that ensure in any direction the required degree of restraint in the frame system; d) joints between column segments (column-to-column) used for multi-storey buildings usually for dual wall braced systems; e) joints between column and foundation (column-to-foundation), able to ensure in any plane a fixed full support of the column; f) fastenings of cladding panels to the structure (panel-to-structure) that ensure the stability of the panels under the high forces or the large drifts expected under seismic action; g) joints between adjacent cladding panels (panel-to-panel) possibly used to increase the stiffness of the peripheral wall system and provide an additional source of energy dissipation. Simple bearings working by gravity load friction are not considered. Sliding and elastic deformable supporting devices neither, being all these types of connections not suitable for the transmission of seismic actions. The document provides formulae for the strength design of a large number of joint typologies.
- Standard76 pagesEnglish languagesale 15% off
- Standard76 pagesEnglish languagesale 15% off
This document specifies technical requirements for ribbed bars to be used as reinforcement in concrete. It is applicable to steel delivered in the form of bars, coils and de-coiled products. This document covers both weldable and non-weldable steels. It does not apply to ribbed bars produced from finished products, such as plates and railway rails. The production process is at the discretion of the manufacturer.
- Standard25 pagesEnglish languagesale 15% off
- Standard25 pagesEnglish languagesale 15% off
(1) This European Standard:
- gives methods and procedures for the estimation of the in-situ compressive strength and characteristic in-situ compressive strength of concrete in structures and precast concrete components using direct methods (core testing) and indirect methods, e.g. ultra-sonic pulse velocity, rebound number;
- provides principles and guidance for establishing the relationships between test results from indirect test methods and the in-situ compressive strength;
- provides procedures and guidance on in-situ assessment of the compressive strength class of concrete where there is doubt over the strength of concrete recently supplied to a structure or precast concrete component.
This European Standard does not include the following cases:
- assessment based on cores less than 50 mm in diameter, micro-cores;
- assessment of the quality of concrete for properties other than compressive strength, e.g. durability-related properties;
- specific provisions for lightweight concretes;
- use of pull-out testing;
- in the Clause 8 procedures, provisions for less than 8 cores without indirect testing;
- use of comparative testing (see CEN/TR Further guidance on the application of EN 13791:2016 and background to the provisions [1] for explanation).
(2) This European Standard is not for the assessment of conformity of concrete compressive strength in accordance with EN 206 or EN 13369 except as indicated in EN 206:2013, 5.5.1.2 or 8.4.
(3) This European Standard does not cover the procedures or criteria for the routine conformity control of precast concrete components using either direct or indirect measurements of the in-situ strength.
- Standard41 pagesEnglish languagesale 10% offe-Library read for1 day
This document provides the principles and procedures of environmental management for maintenance/remedial activities of concrete structures, and environmental management during the operation of concrete structures. When the environmental design of a concrete structure is to be carried out based on ISO 13315‑4, this document provides detailed information on the design for its use stage.
- Standard26 pagesEnglish languagesale 15% off
This document applies to reinforced concrete building consisting of load bearing walls of reinforced concrete buildings [such buildings are called reinforced concrete box-shaped wall buildings and (RC wall building)] or to the part of RC wall building which uses both this and other types of structure. This document applies to RC wall building as follows: — RC wall building with 5 or fewer aboveground storeys; — eaves height of 16 m or less; — storey height on each storey of 3 m or less; — on the top storey, the storey height can be 3,3 m or less; — if the roof has a slope, the sum of the storey height of the top storey and the height from the eaves to the ridge of 4 m or less. Deep foundations, such as piles and caissons, and their pile footings and caps, are beyond the scope of this document, and are not covered by it.
- Standard58 pagesEnglish languagesale 15% off
DOP of 12 months!
- Amendment30 pagesEnglish languagesale 10% offe-Library read for1 day
1.1 General
(1) This European Standard provides a design method for fastenings (connection of structural elements and non-structural elements to structural components), which are used to transmit actions to the concrete. This design method uses physical models which are based on a combination of tests and numerical analysis consistent with EN 1990:2002, 5.2.
The requirements for the transmission of the fastener loads within the concrete member to its supports are given in EN 1992-1-1 and Annex A of this EN.
Inserts embedded in precast concrete elements during production, under Factory Production Control (FPC) conditions and with the due reinforcement, intended for use only during transient situations for lifting and handling, are covered by CEN/TR 15728.
(2) This EN is intended for safety related applications in which the failure of fastenings may result in collapse or partial collapse of the structure, cause risk to human life or lead to significant economic loss. In this context it also covers non-structural elements.
(3) The support of the fixture can be either statically determinate or statically indeterminate. Each support can consist of one fastener or a group of fasteners.
(4) This EN is valid for applications which fall within the scope of the EN 1992 series. In applications where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications can be necessary.
(5) This EN does not cover the design of the fixture. The requirements for the design of the fixture are given in the appropriate Standards and fulfil the requirements on the fixture as given in this EN.
(6) This document relies on characteristic resistances and distances which are stated in a European Technical Product Specification (see Annex E). At least the characteristics of Annex E are given in a European Technical Product Specification for the corresponding loading conditions providing a basis for the design methods of this EN.
NOTE The numerical values for certain parameters given in Notes can be used for pre-dimensioning. The values for verification are given in the European Technical Product Specifications and may be different.
1.2 Type of fasteners and fastening groups
(1) This EN uses the fastener design theory ) (see Figure 1.1) and applies to:
a) cast-in fasteners such as headed fasteners, anchor channels with rigid connection (e.g. welded, forged) between anchor and channel;
b) post-installed mechanical fasteners such as expansion fasteners, undercut fasteners and concrete screws;
c) post-installed bonded fasteners and bonded expansion fasteners.
(2) For other types of fasteners modifications of the design provisions can be necessary.
(3) This EN applies to fasteners with established suitability for the specified application in concrete covered by provisions, which refer to this EN and provide data required by this EN. The suitability of the fastener is stated in the relevant European Technical Product Specification.
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(4) This EN applies to single fasteners and groups of fasteners. In a group of fasteners the loads are applied to the individual fasteners of the group by means of a common fixture. In a group of fasteners this European Standard applies only if fasteners of the same type and size are used.
(5) The configurations of fastenings with cast-in place headed fasteners and post-installed fasteners covered by this EN are shown in Figure 1.2.
(6) For anchor channels the number of anchors is not limited.
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(7) Post-installed ribbed reinforcing bars used to connect concrete members are covered by a European Technical Product Specification. This EN applies when connections are designed in accordance with EN 1992-1-1.
1.3 Fastener dimensions and materials
(1) This EN applies to fasteners with a minimum diameter or a minimum thread size of 6 mm (M6) or a corresponding cross section. (....)
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This European Standard specifies the composition, characteristics and preparation procedure for reference concrete substrates which are to be used in the test methods to measure performance requirements of products and systems for the repair and protection of concrete structures.
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This Technical Report gives provisions for design of ultimate limit states in addition to EN 1992 4 for headed and post-installed fasteners excluding concrete screws, which only transmit static actions to the concrete, when the loads on individual fasteners are determined according to plastic analysis of the joint where only equilibrium conditions but no compatibility conditions are considered. Fatigue, impact and seismic loads are not covered.
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1.1 General
This Technical Report provides design rules for fasteners used to connect statically indeterminate non-structural light weight systems (e.g. suspended ceilings, pipe work, ducting) to concrete members such as walls or floors (see Figure 1)).
The proposed design model may be applied to post-installed mechanical and bonded anchors covered by EN 1992-4:2017, 1.2. Their suitability will be confirmed in a European Technical Product Specification.
The design rules assume the following:
- under extreme conditions (e.g. large crack width) excessive slip or failure of a fastener might occur;
- elements or systems are attached with at least three fixing points with one or more fasteners at each fixing point;
- where more than one fastener is used at a fixing point (MF, see Figure 1), only fasteners of the same type, size and length are used;
- the attached system is sufficiently stiff to transfer the load at any fixing point to adjacent fixing points without significantly impairing the performance characteristics of the system both at serviceability and ultimate limit states.
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This Technical Report applies to non-structural applications in structures covered by EN 1992-1-1. In applications where special considerations apply, e.g. nuclear power plants or civil defence structures, modifications may be necessary.
This document does not cover the design of the fixture. The design of the fixture will be carried out to comply with the appropriate Standards.
1.2 Type of fasteners
Post-installed fasteners according to EN 1992-4.
1.3 Fastener dimensions and materials
EN 1992-4:2017, 1.3 applies with the following addition: In precast pre-stressed hollow core elements the minimum embedment depth may be reduced to a value to ensure proper functioning if placed in a flange (wall) of minimum thickness of 17 mm. In this case the minimum embedment depth and the admissible position of the fastener in the hollow core slab given in the relevant European Technical Product Specification will be observed (Figure 2).
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1.4 Fastener loading
Loading on the fastenings will only be quasi static. Fatigue, impact and seismic loads are not covered.
Any axial compression on the fixture will be transmitted to the concrete either without acting on the fastener or via fasteners suitable for resisting compression.
1.5 Concrete strength
EN 1992-4 applies.
1.6 Concrete member loading
EN 1992-4 applies. However, fatigue, impact and seismic loads are not covered.
1.7 Concrete member dimensions
The minimum thickness of members in which fasteners are installed is at least 80 mm unless otherwise specified in the European Technical Product Specification. For precast pre-stressed hollow core elements, the minimum wall thickness is 17 mm.
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EN 1992-4 covers anchor channels located in cracked or uncracked concrete subjected to tensile loads and/or shear loads transverse to the longitudinal channel axis as well as combinations of these loads. Shear loads acting in direction of the longitudinal axis of the channel and combinations of shear loads acting transverse and in direction of the longitudinal axis of the channel, combinations of tensile loads and shear loads acting in direction of the longitudinal axis of the channel and combinations of loads in all three directions are excluded.
This Technical Report provides design rules for anchor channels under static and quasi-static shear loads acting in direction of the longitudinal channel axis and all possible combinations of shear and tension loads acting on the channel as well as design rules for anchor channels with supplementary reinforcement to take up shear loads, additional and alternative to the provisions of EN 1992-4. All relevant failure modes are considered and will be verified. Fatigue, impact and seismic loads are not covered.
The design rules in this document are only valid for anchor channels with a European Technical Product Specification. The design provisions for shear loads acting in direction of the longitudinal axis of the channel cover the following anchor channels and applications:
- Anchor channels with 2 or 3 anchors.
- Anchor channels where the shear load in the longitudinal axis of the channel is transferred to the channel by corresponding locking channel bolts creating mechanical interlock by means of a notch in the channel lips or serrated channel bolts which interlock with serrated lips of the channel (Figure 1).
- Anchor channels produced from steel with at least two metal anchors rigidly connected to the back of the channel (e.g. by welding, forging or screwing). The anchor channels are placed flush with the concrete surface. A fixture is connected to the anchor channel by channel bolts with nut and washer.
- Anchor channels close to the edge placed either parallel or transverse to the edge of the concrete member. The design provisions for concrete edge failure do not cover channel orientations inclined to the concrete edge.
The design method for anchor channels loaded in shear in direction of the longitudinal axis of the channel follows closely the existing design model for headed fasteners. For reasons of simplicity modifications specific for anchor channels are used where necessary.
The design provisions for the supplementary reinforcement to take up shear loads in case of anchor channels situated parallel to the edge and loaded in shear transverse to the longitudinal axis apply to anchor channels with unlimited number of anchors.
Examples of anchor channels and channel bolts ensuring mechanical interlock are given in Figure 1.
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