SIST EN 10080:2005
(Main)Steel for the reinforcement of concrete - Weldable reinforcing steel - General
Steel for the reinforcement of concrete - Weldable reinforcing steel - General
This document specifies general requirements and definitions for the performance characteristics of weldable reinforcing steel used for the reinforcement of concrete structures, delivered as finished products in the form of:
- bars, coils (rod, wire) and de-coiled products;
- sheets of factory-made machine-welded fabric;
- lattice girders.
1.2 Steels according to this document have a ribbed, indented or smooth surface.
1.3 This document does not apply to:
- non-weldable reinforcing steel;
- galvanized reinforcing steel;
- epoxy-coated reinforcing steel;
- corrosion resistant reinforcing steel;
- prestressing steels (see prEN 10138-1 to -4);
- indented strip;
- further processing, e.g. cutting or cutting and bending.
Stahl für die Bewehrung von Beton - Schweißgeeigneter Betonstahl - Allgemeines
1.1 Diese Europäische Norm legt allgemeine Anforderungen und Definitionen für die Leistungsmerkmale
von schweißgeeignetem Betonstahl fest, der für die Bewehrung von Betonbauwerken verwendet und als
Fertigerzeugnis geliefert wird in Form von
.Stäben, Ringen (Walzdraht, Draht) und abgewickelten Erzeugnissen;
.werkmäßig gefertigten maschinell geschweißten Matten;
.Gitterträgern.
1.2 Stähle nach dieser Europäischen Norm haben eine gerippte, profilierte oder glatte Oberfläche.
1.3 Diese Europäische Norm gilt nicht für
.nicht schweißgeeigneten Betonstahl;
.verzinkten Betonstahl;
.epoxibeschichteten Betonstahl;
.korrosionsbeständigen Betonstahl;
.Spannstahl (siehe prEN 10138-1 bis -4);
.profiliertes Band;
.Weiterverarbeitung, z.B. schneiden oder schneiden und biegen.
Aciers pour l'armature du béton - Aciers soudables pour béton armé - Généralités
La présente partie de cette Norme Européenne spécifie les prescriptions générales relatives aux armatures pour béton armé soudables utilisées pour l'armature des structures en béton dans trois catégories de ductilité A,B et C,livrées sous la forme de: -barres et couronnes(fil,fil machine) pour utilisation directe ou comme éléments pour la fabrication des treillis soudés ou treillis raidisseurs. -panneaux de treillis soudés fabriqués en usine sur machine -treillis raidisseurs;
Jeklo za armiranje betona – Varivo armaturno jeklo - Splošno
General Information
Relations
Overview
EN 10080:2005 - "Steel for the reinforcement of concrete - Weldable reinforcing steel - General" is a CEN European Standard that defines general requirements, definitions and performance characteristics for weldable reinforcing steel used in reinforced concrete. It covers products delivered as bars, coils (rod, wire) and de‑coiled products, factory-made machine‑welded fabric sheets, and lattice girders with ribbed, indented or smooth surfaces. The standard describes what weldable reinforcing steel must satisfy in terms of mechanical behaviour, weldability, bond and dimensional tolerances while also listing explicit exclusions (for example, non‑weldable, galvanized, epoxy‑coated or corrosion‑resistant steels, prestressing steels and indented strip).
Key topics and requirements
EN 10080:2005 focuses on practical, verifiable performance characteristics rather than prescribing a single manufacturing route. Key technical topics include:
- Weldability and chemical composition - requirements and test criteria for steel suitable for resistance welding in welded fabric and lattice girders.
- Mechanical properties - yield strength, tensile strength, elongation and relationships such as Rm/Re and Re,act/Re,nom that define technical classes.
- Dimensions, mass and tolerances - nominal diameters, cross‑sectional areas, coil/ sheet sizes and permitted deviations.
- Bond strength and surface geometry - rib/indentation designations, rib height, spacing and relative rib area affecting concrete bond (with beam and pull‑out test procedures referenced in annexes).
- Verification and conformity - factory production control (FPC), initial type testing, continuous surveillance, audit testing and reporting procedures to demonstrate compliance.
- Test methods and identification - reference test methods (EN ISO 15630 series, Annexes C–D for bond tests, Annex B for lattice girders) and marking/identification rules for bars, coils, welded fabric and girders.
Applications
EN 10080 is used to specify and verify reinforcement products for concrete structures including:
- Reinforced concrete beams, slabs and columns using welded fabric or prefabricated lattice girders.
- Supply and acceptance of bars, coils and de‑coiled reinforcing steel for on‑site bending and placement.
- Factory quality control, production certification and procurement specifications where weldable reinforcement is required.
Who uses this standard
- Structural and civil engineers (design and specification)
- Steel manufacturers and fabricators (production, testing and marking)
- Construction contractors and precast manufacturers (procurement and inspection)
- Testing laboratories and conformity assessment bodies
Related standards
- EN ISO 15630‑1 / ‑2 (test methods for bars, wire and welded fabric)
- EN 10020, EN 10079 (definitions/classification of steel products)
- prEN 10138‑1 to ‑4 (prestressing steels) - noted as excluded from EN 10080 scope
- EN 1992 (Eurocode 2) - for design correlation (see Annex E for symbol comparisons)
Using EN 10080:2005 in specifications ensures consistent, auditable requirements for weldable reinforcing steel, improving compatibility between suppliers, fabricators and designers across Europe.
Frequently Asked Questions
SIST EN 10080:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Steel for the reinforcement of concrete - Weldable reinforcing steel - General". This standard covers: This document specifies general requirements and definitions for the performance characteristics of weldable reinforcing steel used for the reinforcement of concrete structures, delivered as finished products in the form of: - bars, coils (rod, wire) and de-coiled products; - sheets of factory-made machine-welded fabric; - lattice girders. 1.2 Steels according to this document have a ribbed, indented or smooth surface. 1.3 This document does not apply to: - non-weldable reinforcing steel; - galvanized reinforcing steel; - epoxy-coated reinforcing steel; - corrosion resistant reinforcing steel; - prestressing steels (see prEN 10138-1 to -4); - indented strip; - further processing, e.g. cutting or cutting and bending.
This document specifies general requirements and definitions for the performance characteristics of weldable reinforcing steel used for the reinforcement of concrete structures, delivered as finished products in the form of: - bars, coils (rod, wire) and de-coiled products; - sheets of factory-made machine-welded fabric; - lattice girders. 1.2 Steels according to this document have a ribbed, indented or smooth surface. 1.3 This document does not apply to: - non-weldable reinforcing steel; - galvanized reinforcing steel; - epoxy-coated reinforcing steel; - corrosion resistant reinforcing steel; - prestressing steels (see prEN 10138-1 to -4); - indented strip; - further processing, e.g. cutting or cutting and bending.
SIST EN 10080:2005 is classified under the following ICS (International Classification for Standards) categories: 77.140.15 - Steels for reinforcement of concrete. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 10080:2005 has the following relationships with other standards: It is inter standard links to SIST ENV 10080:1997, oSIST prEN 10080:2023, oSIST prEN 10080:2023, oSIST prEN 10080:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 10080:2005 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC; Standardization Mandates: M/115. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Jeklo za armiranje betona – Varivo armaturno jeklo - SplošnoStahl für die Bewehrung von Beton - Schweißgeeigneter Betonstahl - AllgemeinesAciers pour l'armature du béton - Aciers soudables pour béton armé - GénéralitésSteel for the reinforcement of concrete - Weldable reinforcing steel - General77.140.15Jekla za armiranje betonaSteels for reinforcement of concreteICS:Ta slovenski standard je istoveten z:EN 10080:2005SIST EN 10080:2005en01-september-2005SIST EN 10080:2005SLOVENSKI
STANDARDSIST ENV 10080:19971DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 10080
May 2005 ICS 77.140.15; 77.140.60; 77.140.65 Supersedes ENV 10080:1995 English version
Steel for the reinforcement of concrete - Weldable reinforcing steel - General
Aciers pour l'armature du béton - Aciers soudables pour béton armé - Généralités
Stahl für die Bewehrung von Beton - Schweißgeeigneter Betonstahl - Allgemeines This European Standard was approved by CEN on 21 April 2005.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
B-1050 Brussels © 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10080:2005: ESIST EN 10080:2005
Examples of weld points in lattice girder joints.37 Annex B (normative) Test methods for lattice girders.38 Annex C (informative)
Bond test for ribbed and indented reinforcing steel – Beam test.44 Annex D (informative)
Bond test for ribbed and indented reinforcing steel – Pull-out test.54 Annex E (informative)
Comparison of symbols used in this European Standard with those used in EN 1992-1-1 and EN 1992-1-2.61 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive.62
Foreword This document (EN 10080:2005) has been prepared by Technical Committee ECISS/TC 19 “Concrete reinforcing and pre-stressing steels - Properties, dimensions, tolerances and specific tests”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2005, and conflicting national standards shall be withdrawn at the latest by May 2007. This document has been prepared under Mandate M/115 given to CEN by the European Commission and the European Free Trade Association and supports essential requirements of the EU Construction Products Directive (89/106/EEC). For relationship with the EU Construction Products Directive, see informative Annex ZA, which is an integral part of this document. This document does not apply to non-weldable reinforcing steel. This document does not define technical classes. Technical classes should be defined in accordance with this document by specified values for Re, Agt, Rm/Re, Re,act./Re,nom. (if applicable), fatigue strength (if required), bendability, weldability, bond strength, strength of welded or clamped joints (for welded fabric or lattice girders) and tolerances on dimensions. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
NOTE
See also C.2 and D.2. SIST EN 10080:2005
reinforcing steel steel product with a circular or practically circular cross-section which is suitable for the reinforcement of concrete 3.2
ribbed reinforcing steel reinforcing steel with at least two rows of transverse ribs, which are uniformly distributed over the entire length 3.3
longitudinal rib uniform continuous protrusion parallel to the axis of the bar, rod or wire 3.4
transverse rib any rib on the surface of the bar, rod or wire other than a longitudinal rib 3.5
rib height, h distance from the highest point of the rib (transverse or longitudinal) to the surface of the core, to be measured normal to the axis of the bar, rod or wire 3.6
rib or indentation spacing, c distance between the centres of two consecutive transverse ribs or two consecutive indentations measured parallel to the axis of the bar, rod or wire 3.7
angle of transverse rib or indentation inclination, ß angle between the axis of the transverse rib or indentation and the longitudinal axis of the bar, rod or wire 3.8
transverse rib flank inclination, αααα angle of the rib flank measured perpendicular to the longitudinal axis of the rib 3.9
relative rib area, fR area of the projection of all ribs on a plane perpendicular to the longitudinal axis of the bar, rod or wire, divided by the rib spacing and the nominal circumference 3.10
indented reinforcing steel reinforcing steel with defined indentations uniformly distributed over the entire length 3.11
indentation depth, t distance between the surface of the wire and the deepest point of the indentation 3.12
indentation width, b width of the indention to be measured parallel to the axis of the bar, rod or wire 3.13
plain reinforcing steel reinforcing steel with a smooth surface SIST EN 10080:2005
coil single length of reinforcing steel (usually rod or wire) wound in concentric rings 3.15
de-coiled product reinforcing steel manufactured in coils and subsequently straightened for further processing 3.16
nominal cross-sectional area, An cross-sectional area equivalent to the area of a circular plain bar of the same nominal diameter, d (i.e.42dπ) 3.17
welded fabric arrangement of longitudinal and transverse bars, rods or wires of the same or different nominal diameter and length that are arranged substantially at right angles to each other and factory electrical resistance welded together by automatic machines at all points of intersection 3.18
lattice girder two or three-dimensional metallic structure comprising an upper chord, one or more lower chords and continuous or discontinuous diagonals which are welded or mechanically assembled to the chords 3.19
characteristic value value of a material or product property having a prescribed probability of not being attained in a hypothetical unlimited test series NOTE
This value generally corresponds to a specific fractile of the assumed statistical distribution of the particular property of the material or product. 3.20
minimum value value below which no test result shall fall 3.21
maximum value value which no test result shall exceed 3.22
batch quantity of bars, rods, wires or decoiled products of one nominal diameter and one cast either in coils or bars or any quantity of welded fabric or lattice girders of one type produced by one manufacturer and presented for examination at any one time 3.23
factory production control permanent internal control of production performed by the manufacturer 3.24
semi-finished product product which requires further processing in order to achieve the standard and special properties specified in this document for reinforcing steels 3.25
standard property property which is contained in this document as part of the factory production control requirements for every test unit SIST EN 10080:2005
special property property contained in this document which is not determined as part of the factory production control requirements for every test unit 3.27
standard welded fabric welded fabric manufactured according to specified delivery conditions and available from stock 3.28
purpose made welded fabric welded fabric manufactured according to user's specific requirements 3.29
longitudinal wire reinforcing steel in the manufacturing direction of the welded fabric 3.30
transverse wire reinforcing steel perpendicular to the manufacturing direction of the welded fabric 3.31
twin wires two wires of the same technical class and nominal diameter placed adjacent to each other as a pair in welded fabrics 3.32
pitch of welded fabric centre-to-centre distance of wires in a sheet of welded fabric NOTE
For twin wire fabric the pitch is measured between the tangents of the adjacent wires. 3.33
overhang of welded fabric, u1, u2, u3, u4 length of longitudinal or transverse wires projecting beyond the centre of the outer crossing wire in a sheet of welded fabric NOTE
For twin wire welded fabric the overhang is measured from the tangent line of the adjacent wires. 3.34
length of a welded fabric sheet, L dimension of the longest side of a sheet of welded fabric, irrespective of the manufacturing direction 3.35
width of a welded fabric sheet, B dimension of the shortest side of the sheet of welded fabric, irrespective of the manufacturing direction 3.36
standard lattice girder lattice girder manufactured according to specified delivery conditions and available from stock 3.37
purpose made lattice girder lattice girder manufactured according to user's specific requirements 3.38
lower chord set of longitudinal reinforcing steels placed in the lower part of a lattice girder NOTE
The constituent longitudinal reinforcing steels of the lower chord can be interlinked or not. SIST EN 10080:2005
upper chord longitudinal reinforcement placed in the upper part of a lattice girder, of which the base steel is either a reinforcing steel or a steel strip 3.40
diagonals reinforcing steels linking the upper and lower chord of a lattice girder NOTE
They form harmonic curves in the case of continuous diagonals or are independent elements in the case of discontinuous diagonals. 3.41
lattice girder length, L overall length of a lattice girder 3.42
design height of a lattice girder, H1 distance between the lowest point of the lower chord and the highest point of the upper chord 3.43
overall height of a lattice girder, H2 distance between the lowest point and the highest point of a lattice girder 3.44
lattice girder overhang, u1,u2 length of the diagonals beyond either the upper chord (u1) or the lower chord (u2) 3.45
design width of a lattice girder, B1 distance between the outlying points of the lower chords 3.46
overall width of a lattice girder, B2 distance between the outlying points of a lattice girder 3.47
pitch of diagonals, Ps distance between equivalent consecutive junction points of the diagonals with the chords 3.48
angle of inclination of diagonals, ϑϑϑϑ angle between the axis of a diagonal and the longitudinal axis of a lattice girder in the plane of the diagonal in the middle of the height of a lattice girder 3.49
technical class type of reinforcing steel defined by its performance characteristics, identified by a unique product number 3.50
reinforcing steel grade steel grade defined by its characteristic yield strength and ductility requirements 4 Symbols Symbols used in this European Standard are listed in Table 1. NOTE
For comparison of symbols used in this European Standard with those used in EN 1992-1-1 and EN 1992-1-2 (see Annex E). SIST EN 10080:2005
kN Re,act. Actual value of yield strength MPa b Re,nom. Specified value of yield strength MPa b Re, act./Re,nom. Ratio actual value of yield strength / specified value of yield strength - a1, a2, a3, a4 Increment (specified in the product specification) a u1, u2 Overhang of the longitudinal wires in welded fabric or length of the diagonals beyond the upper or lower chord of a lattice girder mm u3, u4 Overhang of the transverse wires in welded fabric mm ACh Cross-sectional area of chord mm2 ADi Cross-sectional area of diagonal mm2 B1 Design width of lattice girder mm B2 Overall width of lattice girder mm Fd Shear force of a clamped joint in lattice girder kN Fw Shear force of a single weld in lattice girder kN H1 Design height of lattice girder mm H2 Overall height of lattice girder mm Ps Pitch of diagonals of lattice girder mm Re,Ch Yield strength of the chord in lattice girder MPa b Re,Di Yield strength of the diagonal in lattice girder MPa b t Depth of indentation mm ts Thickness of metal strip in lattice girder mm ϑ Inclination of the diagonals in lattice girder o (to be continued) SIST EN 10080:2005
Key NL number of longitudinal wires PL pitch of longitudinal wires dL diameter of longitudinal wires NC number of transverse wires PC pitch of transverse wires dC diameter of transverse wires L length of longitudinal wire B length of transverse wire u1 overhang of the longitudinal wires u2
overhang of the longitudinal wires u3 overhang of the transverse wires u4 overhang of the transverse wires Figure 1 — Geometrical characteristics of purpose made welded fabric SIST EN 10080:2005
Figure 2a)
Figure 2b) SIST EN 10080:2005
Figure 2c) Key 1 upper chord 2 diagonal 3 lower chord Figure 2 — Height (H1, H2), width (B1, B2), overhang (u1, u2) and pitch of
diagonals (Ps) of a lattice girder 6 Steelmaking and manufacturing processes 6.1 The melting process and type of de-oxidation of the steel is at the discretion of the steel producer. 6.2 The manufacturing process for the production of coils and bars is at the discretion of the manufacturer. It shall be reported to the purchaser if requested. 6.3 De-coiling of coil material shall be done by a machine made for this purpose. 6.4 The manufacture of reinforcing steel by re-rolling finished products (e.g. sheets or rails) is not permitted. 6.5 All welded fabric shall be factory made and machine welded. The joints, at the intersection of the longitudinal wires and the transverse wires, shall be made by electrical resistance welding, to provide a specified shear resistance. Welded fabric may be composed of a different technical class in each direction. Twin wire welded fabric shall be composed of twin wires in only one direction. 6.6 All lattice girders shall be factory made, and may be made from bars and coils or strip (for upper chords only). The joints between chords and diagonals shall be made by electrical resistance welding, or by mechanical clamping, to provide a specified shear resistance. 7 Performance characteristics 7.1 Weldability and chemical composition 7.1.1 Weldability is determined by two characteristics: carbon equivalent; SIST EN 10080:2005
Ceq = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15
(1) Where
the symbols of the chemical elements indicate their content in % by mass. NOTE
For guidance on welding of reinforcing steels see prEN ISO 17660. Table 2 — Chemical composition (% by mass)
Carbon a
max. Sulphur
max. Phosphorus
max. Nitrogen b
max. Copper
max. Carbon equivalent value a max. Cast analysis 0,22 0,050 0,050 0,012 0,80 0,50 Product analysis 0,24 0,055 0,055 0,014 0,85 0,52 a It is permitted to exceed the maximum values for carbon by 0,03 % by mass, provided that the carbon equivalent value is decreased by
0,02 % by mass. b Higher nitrogen contents are permissible if sufficient quantities of nitrogen binding elements are present. 7.1.4 Durability of products according to this European Standard is provided by the chemical composition specified in Table 2. 7.2 Mechanical properties 7.2.1 General In the context of this European Standard the characteristic value is (unless otherwise indicated) the lower or upper limit of the statistical tolerance interval at which there is a 90 % probability (1 - α = 0,90) that 95 %
(p = 0,95) or 90 % (p = 0,90) of the values are at or above this lower limit, or are at or below this upper limit respectively (see Table 16 and Table 17). This definition refers to the long term quality level of production. 7.2.2 Conditions of testing The conditions of testing shall be as specified in Table 3. SIST EN 10080:2005
± 10 °C for a period of 1 h 015+min and then cooling in still air to room temperature. The method of heating is left to the discretion of the manufacturer. c Or as delivered when the constituents are produced in straight lengths by hot rolling. 7.2.3 Tensile properties 7.2.3.1 The specified values for the tensile properties (Re, Rm/Re, Agt, and where relevant Re,act./Re,nom.) shall be the corresponding specified characteristic value with p = 0,95 for Re, and p = 0,90 for Agt, Rm/Re, and Re,act./Re,nom. 7.2.3.2 The values Re and Rm shall be calculated using the nominal cross-sectional area of the product. 7.2.3.3 For yield strength (Re) the upper yield strength (ReH) shall apply. If a yield phenomenon is not present, the 0,2 % proof strength (Rp0,2) shall be determined. 7.2.4 Shear force of welded or clamped joints 7.2.4.1 Welded fabric The specified value of the shear force of welded joints in welded fabric, Fs, shall be a minimum value. The specified minimum value of Fs shall not be less than 0,25 × Re × An, where Re is the specified characteristic yield strength, and An is the nominal cross-sectional area of either: a) the larger wire at the joint in a single wire welded fabric, b) one of the twin wires in a twin wire welded fabric (twin wires in one direction). 7.2.4.2 Lattice girders 7.2.4.2.1 Welded joints The specified value for the shear force of a weld point in a lattice girder, Fw, shall be a minimum value. The specified minimum value of Fw shall not be less than Fw ≥ 0,25 × Re,Ch × ACh
(2) or Fw ≥ 0,6 × Re,Di × ADi
(3) whichever is the lower. For the evaluation of the test result for the shear force it is necessary to record how many weld points have been loaded and failed in the same moment. SIST EN 10080:2005
Annex A gives examples of weld points in a joint. 7.2.4.2.2 Clamped joints Clamped joints are only used for joining the lower chord and the diagonals. The specified value for the shear force of a clamped joint in lattice girders, Fd, shall be a minimum value. The specified minimum value of Fd shall not be less than Fd ≥ 0,25 × Re,Di × ADi
(4) 7.2.5 Fatigue strength If submitted to axial force controlled fatigue testing in the fluctuating tension range, the product shall withstand the specified number(s) of stress cycles. The stress shall vary sinusoidally, over the specified range of stress 2σa, from the specified σmax. NOTE
2 σa and σmax should be expressed on the basis of the nominal cross-sectional area of the bar, rod or wire. 7.2.6 Suitability for bending 7.2.6.1 Suitability for bending shall be determined by the bend and/or rebend test. 7.2.6.2 The bend test, if required, shall be performed according to EN ISO 15630-1, with a minimum angle of bend of 180°. After testing the products shall show neither rupture nor cracks visible to a person of normal or corrected vision. The mandrel diameter specified for the bend test shall not exceed the relevant maximum diameter specified in Table 4. Table 4 — Mandrel diameter for the bend test Nominal diameter d mm Mandrel diameter max. ≤ 16 3 d > 16
6 d
7.2.6.3 The re-bend test, if required, shall be performed according to EN ISO 15630-1. Test pieces shall be bent through a minimum angle of 90° around a mandrel having a diameter not exceeding the relevant maximum diameter specified in Table 5, aged and then bent back by at least 20°. After the test the specimen shall show no sign of fracture or cracks visible to a person of normal or corrected vision. Table 5 — Mandrel diameter for the re-bend test Nominal diameter d mm Mandrel diameter max. ≤ 16 > 16 ≤ 25 > 25 5 d 8 d 10 d SIST EN 10080:2005
(5) where
dmax. is the nominal diameter of the thickest wire,
dmin. is the nominal diameter of the crossing wire. Other requirements may be agreed at the time of enquiry and order. 7.3.5.1.2.2 For welded fabric with twin wires in one direction, the nominal diameters of the wires shall meet the following requirement 0,7 ds ≤ dT ≤ 1,25 ds
(6) where ds is the nominal diameter of the single wires, dT is the nominal diameter of the twin wires. SIST EN 10080:2005
The overhang should not be less than 25 mm. 7.3.5.2 Dimensions and tolerances on dimensions The nominal length, width, pitch and overhangs of welded fabric shall be agreed at the time of enquiry and order. The permitted deviations for welded fabric are: Length and width of the welded fabric: ± 25 mm or ± 0,5 % whichever is greater; wire pitch:
± 15 mm or ± 7,5 % whichever is greater; overhangs:
to be agreed at the time of enquiry and order. Special tolerance requirements may be agreed between the manufacturer and the purchaser. 7.3.6 Dimensions of lattice girders 7.3.6.1 Configurations Where wires are welded together, they shall meet the requirement that dmin. / dmax. is greater than 0,3. If metal strips are welded to wires, the following limitation shall apply: ts ≥ 0,15 d
(7) where d is the nominal diameter of the diagonal, ts is the thickness of the metal strip. 7.3.6.2 Dimensions and tolerances on dimensions The nominal length, height, width and pitch of lattice girders shall be agreed at the time of enquiry and order. Maximum manufacturing tolerances shall be as follows:
length (L)
: ± 40 mm if L ≤ 5,0 m;
: ± 0,8 %, if L > 5,0 m;
height (H1, H2) : 13+− mm;
width (B1, B2)
: ± 7,5 mm;
pitch (Ps)
: ± 2,5 mm; maximum overhang:
may be agreed at the time of enquiry and order. SIST EN 10080:2005
X
X 12,6 0,099 4,5
X
X 15,9 0,125 5,0
X X X 19,6 0,154 5,5
X X X 23,8 0,187 6,0 X X X X 28,3 0,222 6,5
X X X 33,2 0,260 7,0
X X X 38,5 0,302 7,5
X X X 44,2 0,347 8,0 X X X X 50,3 0,395 8,5
X X X 56,7 0,445 9,0
X X X 63,6 0,499 9,5
X X X 70,9 0,556 10,0 X X X X 78,5 0,617 11,0
X X X 95,0 0,746 12,0 X X X X 113 0,888 14,0 X X X X 154 1,21 16,0 X X X X 201 1,58 20,0 X
314 2,47 25,0 X
491 3,85 28,0 X
616 4,83 32,0 X
804 6,31 40,0 X
1257 9,86 50,0 X
1963 15,4
NOTE Figure illustrates example of two rows of transverse ribs Figure 3 — Rib geometry SIST EN 10080:2005
Table 7 — Ranges for the rib parameters Rib height h Rib spacing c Rib inclination β 0,03 d to 0,15 d 0,4 d to 1,2 d 35° to 75° 7.4.2.2.2 Transverse ribs shall have a crescent shape and shall merge smoothly into the core of the product. 7.4.2.2.3 The projection of the transverse ribs shall extend over at least 75 % of the circumference of the product, which shall be calculated from the nominal diameter. 7.4.2.2.4 The transverse rib flank inclination (α) shall be ≥ 45° and the transition from the rib to the core of the product shall be radiused. 7.4.2.3 Longitudinal ribs Where longitudinal ribs are present, their height shall not exceed 0,15 d, where d is the nominal diameter of the product. 7.4.3 Surface geometry of indented steel 7.4.3.1 General Indented steels are characterized by the dimensions, number and configuration of indentations. Indented steels shall have at least two equally distributed rows of indentations. The indentations form an angle of inclination with the bar, rod or wire axis. An example of an indented steel is shown in Figure 4.
NOTE Figure illustrates example of three rows of indentations Figure 4 – Indentation geometry
Indented steel according to this European Standard shall satisfy the requirements given in 7.4.3.2. The indentation parameters may be specified either by the relative indentation area fP, or by a combination of the indentation parameters specified in Table 8, or by both criteria. SIST EN 10080:2005
Width b
Spacing c
Sum of gaps Σe max.
0,02 d to 0,1 d
0,2 d to 1,0 d
0,4 d to 1,5 d
0,75 d 7.5 Verification of performance characteristics For verification of performance characteristics, test methods in accordance with Clause 9 shall be applied. 8 Evaluation of conformity 8.1 Factory production control 8.1.1 General Reinforcing steels according to this European Standard shall be produced under a permanent system of factory production control, which shall ensure the same level of confidence in the conformity of the finished product, whatever the manufacturing process. The system of factory production control shall include evaluation of specified properties, as described in 8.1.2 and 8.1.3. Manufacturers having a factory production control system which complies with EN ISO 9001 and which addresses the requirements of this European Standard are recognised as satisfying the factory production control requirements of this European Standard. 8.1.2 Sampling and testing of finished products 8.1.2.1 Verification of standard properties For the verification of standard properties, sampling and testing shall be as specified in 8.1.2.1.1 to 8.1.2.1.4. 8.1.2.1.1 Bars and coils The test unit shall be the cast or part quantity of the cast. The rate of testing shall be as follows: a) for chemical composition, one analysis per test unit. The chemical composition (cast analysis) of the steel shall have been determined by the steel producer; b) for bend and/or re-bend tests, mass per metre and surface geometry, one test piece per test unit and nominal diameter; SIST EN 10080:2005
Testing may be carried out either by the processor using his own resources (internal or external) or by the processor in co-operation with the coil manufacturer. The tests are not to be seen as release tests, but as the basis for the assessment of the long term quality level (LTQL) as described in 8.5. 8.1.2.1.3 Welded fabric The test unit is composed of sheets of the same combination of reinforcing technical classes and diameters produced on the same welding machine of a maximum mass of 50 t. For the verification of properties, samples shall be taken in accordance with Table 9. These samples may be taken according to the producer's choice, either on one sheet or on different sheets, provided that different wires are tested. All specified welded fabric dimensions (length, width, pitch, overhang) (see 7.3.5) shall be measured. The chemical composition (cast analysis) of the material shall have been determined by the steel producer. Compliance shall be confirmed to the welded fabric manufacturer, which shall include a statement of the chemical composition, if required by the purchaser. Table 9 — Sampling plan for welded fabric Property Number of samples per test unit Re ≥ 2 a Rm/Re ≥ 2 a Re,act./Re,nom. b ≥ 2 a Agt ≥ 2 a Dimensions ≥ 1 Shear force ≥ 2 c Mass per metre d ≥ 2 a Bendability e ≥ 2 a Surface geometry ≥ 2 a a 1 for the longitudinal direction, 1 for the transverse direction. b Where relevant. c See 7.2.4.1. d This may be measured before welding. e This may be evaluated on constituent wires, by a bend and/or re-bend test. SIST EN 10080:2005
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Die Norm SIST EN 10080:2005 beschäftigt sich mit der Qualität und den Anforderungen an schweißbares Bewehrungsstahl für die Verstärkung von Betonbauwerken. Der Anwendungsbereich dieser Norm ist klar definiert und umfasst verschiedene Formate, in denen dieser Stahl bereitgestellt wird, wie Stäbe, Coils (Rohr, Draht) sowie maschinell geschweißte Fabriknetze und Riegel. Diese Vielfalt an Formaten zeigt die Flexibilität, die diese Norm bietet und unterstreicht die Relevanz des schweißbaren Bewehrungsstahls in der Bauindustrie. Zu den Stärken der Norm gehört die strikte Definition der Leistungsmerkmale des schweißbaren Bewehrungsstahls, die für die strukturelle Integrität von Betonbauwerken entscheidend ist. Die Norm gibt klare Vorgaben zu den Oberflächenbedingungen des Stahls, einschließlich gerippter, eingekerbter oder glatter Oberflächen, was für die Haftung im Beton von wesentlicher Bedeutung ist. Diese detaillierten Anforderungen fördern die Qualitätssicherung und unterstützen die Hersteller dabei, Produkte zu liefern, die den erwarteten Sicherheitsstandards entsprechen. Die Relevanz der Norm SIST EN 10080:2005 ist in ihrer Spezifikation für Bewehrungsstähle begründet, die eine Schlüsselrolle in der Bauindustrie spielen. Da diese Norm sich auf schweißbare Bewehrungsstähle konzentriert, stellt sie sicher, dass nur geeignete Materialien für kritische Anwendungen verwendet werden. Es ist wichtig zu beachten, dass die Norm explizit nicht für nicht schweißbare Bewehrungsstähle, galvanisierte Bewehrungsstähle oder weitere spezifische Stahlsorten gilt, was den Geltungsbereich klar abschließt und somit Missverständnisse in der Verwendung vermeidet. Zusammengefasst trägt die Norm SIST EN 10080:2005 erheblich zur Standardisierung und Verbesserung der Qualität von schweißbarem Bewehrungsstahl bei. Die präzisen Anforderungen garantieren nicht nur hochqualitative Endprodukte, sondern auch die Sicherheit und Langlebigkeit von Betonbauwerken, die von diesen Materialien abhängig sind.
SIST EN 10080:2005は、コンクリート構造物の補強のために使用される溶接可能な補強鉄筋に関する標準であり、その範囲や特性、さらには適用条件について詳細に規定しています。この文書は、完成品として提供される補強鉄筋の一般的な要求事項と定義を示しており、主にバーロッド、コイル、工場製の機械溶接ファブリックのシート、格子梁などが含まれています。 この標準の強みは、補強鉄筋の品質と性能に関する明確な基準を提供している点です。具体的には、溶接可能な補強鉄筋の表面がリブ付き、凹凸、もしくは滑らかであることを求めています。これにより、設計者や施工者は、その特性に基づいて適切な材料を選択することができ、構造物の耐久性向上に寄与することが期待されます。 さらに、SIST EN 10080:2005は、非溶接用補強鉄筋、亜鉛メッキ補強鉄筋、エポキシコーティングされた補強鉄筋、耐腐食性補強鉄筋、プレストレッシング鋼などに適用されないことを明示しています。この点が重要なのは、特定の用途に対する溶接可能な補強鉄筋の適正使用を促進し、相違する技術的要件や性能基準を持つ材料との混同を避けるためです。 このように、SIST EN 10080:2005はコンクリート構造物における補強工事の質を高めるための基盤を提供し、業界内での標準化を促進する重要な役割を果たしています。標準化文書としての関連性は高く、建設業界における信頼性向上につながることが期待されます。
SIST EN 10080:2005 표준은 콘크리트 구조물의 보강을 위한 용접 가능한 철강재에 대한 일반 요구 사항 및 정의를 명확하게 규정하고 있습니다. 이 표준은 바, 코일(막대, 와이어) 및 비코일 제품, 공장에서 제작된 기계 용접 원단의 시트, 그리고 격자 보로 제공되는 최종 제품의 성능 특성을 포함합니다. 이러한 범위는 다양한 응용 분야에서 필요한 철강재의 성질을 명확하게 규정하고 있어, 현장 및 구조물 설계에 있어서 매우 유용합니다. SIST EN 10080:2005 표준의 큰 장점 중 하나는 철강재의 표면 처리에 대한 다양성을 제공한다는 것입니다. 이 표준에 포함된 철강재는 리브, 인덴트 또는 매끄러운 표면을 가질 수 있어, 설계자와 엔지니어들이 특정 프로젝트의 요구 사항에 맞춰 적절한 재료를 선택할 수 있습니다. 따라서 이 표준은 콘크리트 보강재의 선택 및 사용과 관련하여 중요한 지침을 제공합니다. 또한, SIST EN 10080:2005는 비용 효율적이고 지속 가능하게 고품질의 보강 철강재를 사용할 수 있도록 하는 현대의 건축 요구 사항에 부합합니다. 이 문서는 용접 가능한 재강재의 특성을 심층적으로 다루고 있어, 철강재의 성능과 기본적인 응용 가능성을 검토하고자 하는 전문가에게 큰 도움이 됩니다. 하지만, 이 표준은 비용이 높은 기타 보강 철강재(예: 비용접 가능한 철강재, 아연 도금된 철강재, 에폭시 코팅된 철강재 등)에는 적용되지 않으므로, 사용자는 본 표준의 적용 범위를 정확하게 이해할 필요가 있습니다. 이러한 제한 사항을 이해하는 것은 선택 과정을 원활하게 하고, 프로젝트의 전반적인 품질 관리를 보장하는 데 기여할 것입니다. 결론적으로, SIST EN 10080:2005 표준은 콘크리트 구조물 보강을 위한 철강재의 선택과 사용에 있어 필수적인 문서로, 건설업계에서의 높은 관련성과 신뢰성을 제공합니다.
La norme SIST EN 10080:2005 offre un cadre essentiel en définissant les exigences générales et les caractéristiques de performance de l'acier à béton soudable destiné au renforcement des structures en béton. Son champ d'application inclut des produits finis variés tels que des barres, des bobines (tiges, fils) et des produits dévidés, ainsi que des feuilles de treillis soudé en usine et des poutres à treillis. Un des points forts de cette norme est la clarté avec laquelle elle spécifie les types de surfaces des aciers concernés, qu'ils soient nervurés, striés ou lisses. Cette précision est cruciale pour garantir la qualité et l'efficacité des matériaux utilisés dans le renforcement des structures en béton. En excluant les aciers non soudables, galvanisés, revêtus d'époxy, et d'autres catégories spécifiques comme les aciers de précontrainte, la norme évite toute ambiguïté et se concentre sur les aciers destinés à des usages spécifiques dans le domaine du renforcement. La norme SIST EN 10080:2005 est pertinente et essentielle, notamment dans le contexte actuel de construction durable et de gestion de la qualité des matériaux. En promouvant des pratiques de soudage appropriées et en détaillant les spécifications requises pour l'utilisation d'aciers de renforcement en béton, elle contribue à garantir la sécurité et la longévité des structures construites. Ce document se positionne donc comme une référence incontournable pour les professionnels du secteur du béton armé.
The SIST EN 10080:2005 standard provides an essential framework for the performance characteristics of weldable reinforcing steel used in concrete structures. Its scope is clearly defined, targeting specific forms of weldable reinforcing steel, including bars, coils (in the shape of rod and wire), and factory-made welded fabric sheets, as well as lattice girders. This clarity enhances its usability for industry professionals who require precise specifications in their procurement processes. One of the key strengths of this standard is its comprehensive approach to defining the physical characteristics of weldable reinforcing steel, which are crucial for ensuring structural integrity in concrete applications. The inclusion of various surface types, such as ribbed, indented, or smooth finishes, allows for flexibility and caters to a diverse range of engineering needs. This adaptability is particularly beneficial in construction projects where specific performance criteria may vary based on load requirements and environmental conditions. Moreover, the standard’s exclusion of non-weldable, galvanized, epoxy-coated, corrosion-resistant reinforcing steels, and prestressing steels is a notable strength, as it helps delineate the focus on weldable products. This specificity ensures that users can rely on the standard being applicable directly to the products they intend to use without ambiguity regarding the types of steel being covered. The relevance of SIST EN 10080:2005 cannot be overstated in the context of modern construction practices. With the increased emphasis on safety, durability, and performance, weldable reinforcing steel stands at the core of structural reinforcement for concrete. This standard plays a vital role in establishing benchmarks that align with safety regulations and engineering best practices, ensuring that all finished products meet the agreed-upon performance standards. In summary, SIST EN 10080:2005 is a crucial reference point for professionals dealing with weldable reinforcing steel. Its clear scope, well-defined requirements, and exclusion of irrelevant materials enhance its practicality and relevance in construction, thereby addressing the specific needs of engineers and contractors in the industry.
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