SIST EN 771-3:2011
(Main)Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)
Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)
This European Standard specifies the characteristics and performance requirements of aggregate concrete masonry units made from dense and lightweight aggregates or a combination of both for which the main intended uses are common, facing or exposed masonry in load bearing or non-load bearing building and civil engineering applications. The units are suitable for all forms of walling, including single leaf, external leaf to chimneys, cavity wall, partitions, retaining, and basement. They can provide fire protection, thermal insulation, sound insulation and sound absorption. This European Standard includes aggregate concrete masonry units of an overall non-rectangular parallelepiped shape, especially shaped and accessory units. It defines the performance related to e.g. strength, density, dimensional accuracy, and provides for the evaluation of conformity of the product to this European Standard. The marking requirements for products covered by this European Standard are also included. This European Standard does not specify standard sizes for aggregate concrete masonry units, nor standard work dimensions and angles of specially shaped aggregate concrete masonry units. It does not cover storey height panels, chimney flue linings nor units intended for use as a damp proof course. It does not cover units with an incorporated thermal insulation material bonded to the faces of the unit susceptible to be exposed to fire.
Festlegungen für Mauersteine - Teil 3: Mauersteine aus Beton (mit dichten und porigen Zuschlägen)
Diese Europäische Norm legt die Eigenschaften und Leistungsanforderungen für Mauersteine aus Beton mit dichten und/oder porigen Zuschlägen fest, die vorwiegend in tragendem oder nichttragendem Mauerwerk einschließlich üblichen Mauerwerks, Verblendmauerwerk oder Sichtmauerwerk in Bauwerken des Hoch- oder Tiefbaus verwendet werden. Die darin beschriebenen Mauersteine eignen sich für alle Arten von Mauerwerk einschließlich einschaligen Mauerwerks, des Außenmauerwerks von Schornsteinen, zweischaligen Mauer¬werks, Trennwänden, Stützmauern und Untergeschossen. Sie dienen dem Brand-, Wärme-, Schall¬schutz sowie der Schallabsorption.
Diese Europäische Norm gilt ebenfalls für Mauersteine aus Beton mit einer nicht allseitig von Rechtecken begrenzten Form einschließlich Form- und Ergänzungssteinen.
Sie beschreibt die Anforderungen, z. B. an Festigkeit, Rohdichte, Maßgenauigkeit und darüber hinaus ist die Konformitätsbewertung von Produkten nach dieser Europäischen Norm festgelegt. Die Kennzeichnung der von dieser Europäischen Norm erfassten Produkte ist ebenfalls festgelegt.
Diese Europäische Norm legt weder genormte Größen für Mauersteine aus Beton noch Sollmaße oder Winkel für Formsteine aus Beton fest. Sie gilt nicht für geschosshohe Tafeln, Steine für die Auskleidung von Rauch¬abzügen oder Steine zur Herstellung von feuchtesperrenden Schichten. Sie gilt nicht für Steine mit einem Wärmedämmstoff, der auf die Seiten des Steins, die Feuer ausgesetzt sein können, aufgebracht ist.
Spécifications pour éléments de maçonnerie - Partie 3 : Éléments de maçonnerie en béton de granulats (granulats courants et légers)
Cette Norme européenne spécifie les caractéristiques et les exigences de performances des blocs en béton
de granulats fabriqués à partir de granulats courants et légers ou une combinaison des deux, utilisés,
exposés ou non, en maçonnerie courante ou de parement, porteuse ou non, dans des bâtiments ou des
ouvrages de génie civil. Les blocs conviennent pour toutes les formes de murs, y compris les murs à simple
ou double paroi, les conduits extérieurs de fumée, les cloisons, les murs de soutènement et de
soubassement. Ils peuvent constituer une protection contre les incendies, une isolation thermique et
acoustique et constituer une absorption acoustique.
Cette Norme européenne concerne également les éléments de maçonnerie en béton de granulats n'ayant
pas une forme générale de parallélépipède rectangle, notamment sur les éléments de forme particulière et
les accessoires.
Elle définit d'une part les performances relatives par exemple à la résistance, la masse volumique et les
tolérances dimensionnelles et permet d'autre part d'évaluer la conformité du produit par rapport à cette
Norme européenne. Elle inclut également les exigences de marquage des produits qui y sont traités.
Cette Norme européenne ne spécifie ni les formats standard des blocs en béton de granulats, les
dimensions de fabrication courantes, ni les caractéristiques angulaires des blocs en béton de granulats de
forme particulière. Elle ne couvre pas les panneaux hauteur d'étage, les conduits intérieurs de fumée ni les
blocs destinés à servir d'assise anti-humidité. Elle ne couvre pas les blocs comportant un isolant thermique
rapporté sur les faces susceptibles d'être exposées au feu.
Specifikacija za zidake - 3. del: Betonski zidaki (kompaktni in lahki agregati)
Ta evropski standard določa značilnosti in zahteve za zmogljivost betonskih zidakov, narejenih iz kompaktnih in lahkih agregatov ali kombinacije obojega, ki so v glavnem predvideni za uporabo pri splošni, fasadni in izpostavljeni zidavi pri nosilnih ali nenosilnih visokih ali nizkih gradnjah. Zidaki so primerni za vse oblike sten, vključno z enojnim slojem in zunanjim slojem pri dimnikih, votlih zidovih, predelkih, opornih zidovih in kleteh. Lahko zagotavljajo zaščito pred požarom, toplotno izolacijo, zvočno izolacijo in zvočno absorpcijo. Ta evropski standard vključuje betonske zidake nepravokotnih paralelepipednih oblik, zidake posebnih oblik in pomožne zidake. Opredeljuje zmogljivost v zvezi z npr. močjo, gostoto in dimenzijsko natančnostjo ter zagotavlja oceno skladnosti proizvoda s tem evropskim standardom. Vključene so zahteve za označevanje proizvodov, ki jih zajema ta evropski standard. Ta evropski standard ne določa standardnih velikosti za betonske zidake niti ne določa standardnih delovnih dimenzij in kotov betonskih zidakov posebnih oblik. Ne zajema panelov etažne višine, oblog za dimne cevi za dimnike ali zidakov, ki se uporabljajo kot izolacijska zaščita pred vlago. Ne zajema zidakov z vgrajenim materialom za toplotno izolacijo, vezanim na stranice zidaka, ki so lahko izpostavljene ognju.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Specifikacija za zidake - 3. del: Betonski zidaki (kompaktni in lahki agregati)Festlegungen für Mauersteine - Teil 3: Mauersteine aus Beton (mit dichten und porigen Zuschlägen)Spécifications pour éléments de maçonnerie - Partie 3 : Éléments de maçonnerie en béton de granulats (granulats courants et légers)Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)91.100.30Beton in betonski izdelkiConcrete and concrete productsICS:Ta slovenski standard je istoveten z:EN 771-3:2011SIST EN 771-3:2011en,fr,de01-julij-2011SIST EN 771-3:2011SLOVENSKI
STANDARDSIST EN 771-3:2004/A1:2005SIST EN 771-3:20041DGRPHãþD
SIST EN 771-3:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 771-3
May 2011 ICS 91.100.30 Supersedes EN 771-3:2003English Version
Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)
Spécifications pour éléments de maçonnerie - Partie 3: Éléments de maçonnerie en béton de granulats (granulats courants et légers)
Festlegungen für Mauersteine - Teil 3: Mauersteine aus Beton (mit dichten und porigen Zuschlägen) This European Standard was approved by CEN on 10 March 2011.
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 CEN-CENELEC Management Centre 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 CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 771-3:2011: ESIST EN 771-3:2011
EN 771-3:2011 (E) 2 Contents Page Foreword .41Scope .52Normative references .53Terms, definitions and symbols .63.1Terms and definitions .63.2Symbols .84Materials .85Requirements for aggregate concrete masonry units .95.1General .95.2Dimensions and tolerances .95.2.1Dimensions .95.2.2Dimensional tolerances . 105.3Configuration and appearance . 105.3.1Configuration . 105.3.2Appearance . 115.4Density . 115.4.1Gross dry density of the units . 115.4.2Net dry density of the concrete . 125.4.3Tolerances . 125.5Mechanical strength . 125.5.1Compressive strength . 125.5.2Bending tensile strength . 135.6Thermal properties . 135.7Durability . 135.8Water absorption by capillarity . 135.9Moisture movement . 145.10Water vapour permeability . 145.11Reaction to fire . 145.12Shear bond strength . 145.12.1General . 145.12.2Declaration based on fixed values . 145.12.3Declaration based on tests . 155.13Flexural bond strength . 156Description, designation and classification of aggregate concrete masonry units . 156.1Description and designation of units . 156.2Classification . 167Marking . 168Evaluation of conformity . 168.1General . 168.2Initial type testing . 168.3Factory production control . 178.3.1General . 178.3.2Testing and measuring equipment . 188.3.3Production equipment . 188.3.4Raw materials . 188.3.5Production process . 188.3.6Finished product testing . 188.3.7Statistical techniques . 19SIST EN 771-3:2011
EN 771-3:2011 (E) 3 8.3.8Marking and stock control of products . 198.3.9Traceability . 198.3.10Nonconforming products . 19Annex A (normative)
Sampling for initial type testing and for independent testing of consignments . 20A.1General . 20A.2Sampling procedure . 20A.2.1General . 20A.2.2Random sampling . 20A.2.3Representative sampling . 20A.2.4Dividing the sample . 21A.2.5Number of units required for testing . 21A.3Place and dates of inspection and testing . 22Annex B (normative)
Compliance criteria for initial type testing and for independent testing of consignments . 23B.1Dimensions and tolerances (see 5.2) . 23B.2Configuration and appearance (see 5.3) . 23B.3Density (see 5.4) . 23B.4Mechanical strength (see 5.5) . 23B.4.1Characteristic strength . 23B.4.2Mean strength . 23B.5Moisture movement and water absorption by capillarity (see 5.9 and 5.8) . 23Annex C (informative)
Examples of different shapes of aggregate concrete masonry units . 27Annex D (informative)
Guidance for test
frequencies for designing a FPC system to demonstrate conformity of finished products with the requirements of the standard and the declaration of the manufacturer . 28Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 30ZA.1Scope and relevant characteristics . 30ZA.2Procedure(s) for attestation of conformity of aggregate concrete masonry units . 32ZA.2.1System(s) of attestation of conformity . 32ZA.2.2EC Certificate and Declaration of Conformity . 33ZA.3CE marking and labelling. 34Bibliography . 38
SIST EN 771-3:2011
EN 771-3:2011 (E) 4 Foreword This document (EN 771-3:2011) has been prepared by Technical Committee CEN/TC 125 “Masonry”, the secretariat of which is held by BSI. 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 2011, and conflicting national standards shall be withdrawn at the latest by November 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 771-3:2003. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association and supports the essential requirements of the EU Construction Products Directive (89/106/EEC). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This European Standard also takes into account the general rules for reinforced and unreinforced masonry in Eurocode 6.
EN 771, Specification for masonry units consists of: − Part 1: Clay masonry units − Part 2: Calcium silicate masonry units − Part 3: Aggregate concrete masonry units (Dense and light weight aggregates) − Part 4: Autoclaved aerated concrete masonry units − Part 5: Manufactured stone masonry units − Part 6: Natural stone masonry units According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
SIST EN 771-3:2011
EN 771-3:2011 (E) 5 1 Scope This European Standard specifies the characteristics and performance requirements of aggregate concrete masonry units made from dense and lightweight aggregates or a combination of both for which the main intended uses are common, facing or exposed masonry in load bearing or non-load bearing building and civil engineering applications. The units are suitable for all forms of walling, including single leaf, external leaf to chimneys, cavity wall, partitions, retaining, and basement. They can provide fire protection, thermal insulation, sound insulation and sound absorption. This European Standard includes aggregate concrete masonry units of an overall non-rectangular parallelepiped shape, especially shaped and accessory units. It defines the performance related to e.g. strength, density, dimensional accuracy, and provides for the evaluation of conformity of the product to this European Standard. The marking requirements for products covered by this European Standard are also included. This European Standard does not specify standard sizes for aggregate concrete masonry units, nor standard work dimensions and angles of specially shaped aggregate concrete masonry units. It does not cover storey height panels, chimney flue linings nor units intended for use as a damp proof course. It does not cover units with an incorporated thermal insulation material bonded to the faces of the unit susceptible to be exposed to fire. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 772-1:2011, Methods of test for masonry units — Part 1: Determination of compressive strength EN 772-2, Methods of test for masonry units — Part 2: Determination of percentage area of voids in aggregate concrete masonry units (by paper indentation) EN 772-6, Methods of test for masonry units — Part 6: Determination of bending tensile strength of aggregate concrete masonry units EN 772-11, Methods of test for masonry units — Part 11: Determination of water absorption of aggregate concrete, autoclaved aerated concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units EN 772-13, Methods of test for masonry units — Part 13: Determination of net and gross dry density of masonry units (except for natural stone) EN 772-14, Methods of test for masonry units — Part 14: Determination of moisture movement of aggregate concrete and manufactured stone masonry units EN 772-16:2011, Methods of test for masonry units — Part 16: Determination of dimensions EN 772-20, Methods of test for masonry units — Part 20: Determination of flatness of faces of aggregate concrete, manufactured stone and natural stone masonry units EN 1052-2, Methods of test for masonry — Part 2: Determination of flexural strength EN 1052-3, Methods of test for masonry — Part 3: Determination of initial shear strength EN 1745, Masonry and masonry products — Methods for determining thermal properties SIST EN 771-3:2011
EN 771-3:2011 (E) 6 EN 13501-1, Fire classification of construction products and building elements — Part 1: Classification using data from reaction to fire tests EN ISO 12572, Hygrothermal performance of building materials and products — Determination of water vapour transmission properties (ISO 12572:2001) 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 masonry unit preformed component intended for use in masonry construction 3.1.2 common masonry unit masonry unit normally intended for use with no faces left visible 3.1.3 facing masonry unit masonry unit intended for use with one or more faces left visible and which may or may not be exposed to external climatic conditions 3.1.4 exposed masonry unit facing masonry unit exposed to external climatic conditions without render or other equivalent protection 3.1.5 aggregate concrete masonry unit masonry unit manufactured from, cementitious binder, aggregates and water and which may contain admixtures and additions and colouring pigments and other materials incorporated or applied during or subsequent to unit manufacture 3.1.6 co-ordinating size size of a co-ordinating space allocated to a masonry unit including allowances for joints 3.1.7 work size size of a unit specified for its manufacture, to which the actual size conforms within permissible deviations 3.1.8 actual size size of a unit as measured 3.1.9 regular shaped masonry unit masonry unit with an overall rectangular parallelepiped shape NOTE Examples of different shapes of concrete masonry units are shown in Annex C. 3.1.10 specially shaped masonry unit masonry unit which is not a rectangular parallelepiped SIST EN 771-3:2011
EN 771-3:2011 (E) 7 3.1.11 accessory unit unit which is shaped to provide a particular function, e.g. to complete the geometry of the masonry 3.1.12 interlocking features shaped matched projections and indentations on masonry units EXAMPLE Tongue and groove systems. 3.1.13 hole formed void which may or may not pass completely through a masonry unit 3.1.14 frog depression formed in one or both of the bed faces of a unit, the total volume of all such depressions which does not exceed a certain limit of the overall volume of the unit, i.e. length × width × height 3.1.15 recess depression or indentation in one or more surfaces of a masonry unit
EXAMPLE Mortar pocket, rendering keyway, grooves to provide a discontinuity in the mortar joint, grip hole. 3.1.16 shell peripheral solid material between the hole(s) and the face or the header of a unit 3.1.17 web solid material between the formed voids in a masonry unit 3.1.18 declared value value that a manufacturer is confident of achieving, bearing in mind the precision of the test and the variability of the manufacturing process 3.1.19 Category I masonry units units with a declared compressive strength with a probability of failure to reach it not exceeding 5 % NOTE This may be determined via the mean or characteristic value. 3.1.20 Category II masonry units units not intended to comply with the level of confidence of Category I units 3.1.21 normalized compressive strength of masonry units compressive strength of masonry units converted to the air dry compressive strength of an equivalent 100 mm wide × 100 mm high masonry unit NOTE See the procedure given in EN 772-1. 3.1.22 mean compressive strength of masonry units arithmetic mean of the compressive strengths of masonry units SIST EN 771-3:2011
EN 771-3:2011 (E) 8 3.1.23 characteristic compressive strength of masonry units compressive strength corresponding to a 5 % lower fractile of the compressive strength of masonry units 3.1.24 combined thickness of webs and shells sum of the thicknesses of the shells and webs from one face or header of a masonry unit to the opposite face or header respectively along whichever path, via the formed voids, gives the smallest value, expressed as a percentage of the unit width or length respectively 3.1.25 product group products from one manufacturer having common values for one or more characteristic 3.1.26 consignment shipment from the supplier 3.1.27 grip hole hole in a masonry unit to enable it to be more readily grasped and lifted by hand or machine 3.2 Symbols l
length, in mm ld
length of the diagonal, in mm w
width, in mm h
height, in mm fb
normalized compressive strength, in N/mm2 fc
characteristic compressive strength, in N/mm2 fm
mean compressive strength, in N/mm2 fbi
individual result compressive strength, in N/mm2 λ10,dry,unit thermal conductivity of a masonry unit in a dry state at an average temperature of 10 °C 4 Materials The specifications of the materials to be used shall be included in the production control documentation (see 8.3). If appropriate European Standards are available, they shall be used except that aggregates need not comply with grading requirements. If not available, the manufacturer shall specify the materials and have data on their suitability. SIST EN 771-3:2011
EN 771-3:2011 (E) 9 5 Requirements for aggregate concrete masonry units 5.1 General The requirements and properties specified in this European Standard shall be defined in terms of the test methods and other procedures referred to in this European Standard. NOTE A declared value may be chosen from the classification system, if any, of the place of manufacture/use of the units. It should be noted that the standard test methods are not always applicable to specially shaped and accessory units as defined in 3.1.10 and 3.1.11. The conformity criteria given in the following subclauses relates to initial type testing (see 8.2) and, when relevant, to consignment testing (see Annex A). For the compressive strength of Category I units use a 50 % fractile (p = 0,50) for mean values or 5 % fractile (p = 0,05) for characteristic values and a confidence level of 95 %. For production evaluation, the manufacturer shall define the conformity criteria in the factory production control documentation (see 8.3). 5.2 Dimensions and tolerances 5.2.1 Dimensions The manufacturer shall declare the dimensions of the aggregate concrete masonry units in mm for length, width and height, in that order (see Figure 1). They shall be given in terms of work size. NOTE 1 In addition the co-ordinating size may be given.
Key 1 Length 3 Height 5 Face 2 Width 4 Bed 6 Header
NOTE 2 This relates to the normal use of the masonry unit in the wall. Figure 1 — Dimensions and surfaces SIST EN 771-3:2011
EN 771-3:2011 (E) 10 5.2.2 Dimensional tolerances 5.2.2.1 Tolerances The tolerances on declared work sizes of individual regular shaped units shall conform to Table 1. Closer tolerances may be declared for one or more dimensions. The manufacturer shall declare the tolerance category of the units. Table 1 — Limit deviations in millimetres Tolerance category D1 D2 D3 D4 Length +3 −5 +1 −3 +1 −3 +1 −3 Width +3 −5 +1 −3 +1 −3 +1 −3 Height +3 −5 ± 2 ± 1,5 ± 1,0
Tolerances for non-regular shaped and accessory units shall be as given in Table 1 or as declared by the manufacturer. These tolerances shall not apply to the dimensions between the surfaces of units which are manufactured to be non planar. If sampled in accordance with A.2 and tested in accordance with EN 772-16:2011 (method a)), the results evaluated in accordance with B.1 shall conform to the declared tolerance category. 5.2.2.2 Flatness of bed faces When aggregate concrete masonry units are declared as tolerance category D4 for use with thin layer mortar, the manufacturer shall also declare the maximum deviation from flatness of the bed faces. If sampled in accordance with A.2 and tested in accordance with EN 772-20, the deviation from flatness of the bed faces shall not exceed the declared value. 5.2.2.3 Plane parallelism of bed faces When aggregate concrete masonry units are declared as tolerance category D4 for use with thin layer mortar, the manufacturer shall also declare the maximum deviation from plane parallelism of the bed faces. If sampled in accordance with A.2 and tested in accordance with EN 772-16:2011 (method d)), the deviation from plane parallelism of the bed faces shall not exceed the declared value. 5.3 Configuration and appearance 5.3.1 Configuration When relevant to the uses for which aggregate concrete masonry units are put on the market, the configuration shall be declared. The declaration may be made by reference to one or another of the groups defined in EN 1996-1-1 and/or it may include one or more items such as those in the following list, as relevant: SIST EN 771-3:2011
EN 771-3:2011 (E) 11 shape and features, including the direction of any formed voids (by means of a drawing or illustration, when relevant); volume of all formed voids as a percentage of the length × width × height of the unit; volume of the largest of any formed voids as a percentage of the length × width × height of the unit; volume of grip holes as a percentage of the length × width × height of the unit; thickness of webs; thickness of shells; combined thickness of webs and shells from face to face; combined thickness of webs and shells from header to header; area of voids on a bed face as a percentage of the length × width of the unit. The requirements for shape and features will normally apply to regular shaped units, but need not apply to the surfaces or arises of units with special shapes or to accessory units. Units may be provided with recesses or interlocking features and with sharp, rounded or chamfered arises. The total volume of frogs shall not exceed 20 % of the overall volume of the unit, i.e. length × width × height. Each declared value shall be stated as either an upper limit or a lower limit or as a range of values. When aggregate concrete masonry units are sampled from a consignment in accordance with A.2 and tested in accordance with EN 772-16 and EN 772-2, if necessary, the mean value derived from measurements of the test sample shall be within the range or limit declared. 5.3.2 Appearance 5.3.2.1 Flatness of surfaces of facing units When the surface of facing units are declared by the manufacturer to be plaine, they shall not deviate from a plane by more than (0,1 dl) mm or 2 mm whichever is
...
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Specifikacija za zidake - 3. del: Betonski zidaki (kompaktni in lahki agregati)Festlegungen für Mauersteine - Teil 3: Mauersteine aus Beton (mit dichten und porigen Zuschlägen)Spécifications pour éléments de maçonnerie - Partie 3 : Éléments de maçonnerie en béton de granulats (granulats courants et légers)Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and light weight aggregates)91.100.30Beton in betonski izdelkiConcrete and concrete productsICS:Ta slovenski standard je istoveten z:FprEN 771-3kSIST FprEN 771-3:2010en,fr,de01-november-2010kSIST FprEN 771-3:2010SLOVENSKI
STANDARD
kSIST FprEN 771-3:2010
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
FINAL DRAFT
FprEN 771-3
September 2010 ICS 91.100.30 Will supersede EN 771-3:2003English Version
Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and light weight aggregates)
Spécifications pour éléments de maçonnerie - Partie 3 : Éléments de maçonnerie en béton de granulats (granulats courants et légers)
Festlegungen für Mauersteine - Teil 3: Mauersteine aus Beton (mit dichten und porigen Zuschlägen) This draft European Standard is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee CEN/TC 125.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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 CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. FprEN 771-3:2010: EkSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 2 Contents Page Foreword .41Scope .52Normative references .53Terms, definitions and symbols .63.1Terms and definitions .63.2Symbols .84Materials .85Requirements for aggregate concrete masonry units .85.1General .85.2Dimensions and tolerances .95.2.1Dimensions .95.2.2Dimensional tolerances .95.3Configuration and appearance . 105.3.1Configuration . 105.3.2Appearance . 115.4Density . 115.4.1Gross dry density of the units . 115.4.2Net dry density of the concrete . 125.4.3Tolerances . 125.5Mechanical strength . 125.5.1Compressive strength . 125.5.2Bending tensile strength . 135.6Thermal properties . 135.7Durability . 135.8Water absorption by capillarity . 135.9Moisture movement . 145.10Water vapour permeability . 145.11Reaction to fire . 145.12Shear bond strength . 145.12.1General . 145.12.2Declaration based on fixed values . 145.12.3Declaration based on tests . 145.13Flexural bond strength . 156Description, designation and classification of aggregate concrete masonry units . 156.1Description and designation of units . 156.2Classification . 157Marking . 168Evaluation of conformity . 168.1General . 168.2Initial type testing . 168.3Factory production control . 178.3.1General . 178.3.2Testing and measuring equipment . 188.3.3Production equipment . 188.3.4Raw materials . 188.3.5Production process . 188.3.6Finished product testing . 188.3.7Statistical techniques . 18kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 3 8.3.8Marking and stock control of products . 198.3.9Traceability . 198.3.10Nonconforming products . 19Annex A (normative)
Sampling for initial type testing and for independent testing of consignments . 20A.1General . 20A.2Sampling procedure . 20A.2.1General . 20A.2.2Random sampling . 20A.2.3Representative sampling . 20A.2.4Dividing the sample . 21A.2.5Number of units required for testing . 21A.3Place and dates of inspection and testing . 22Annex B (normative)
Compliance criteria for initial type testing and for independent testing of consignments . 23B.1Dimensions and tolerances (see 5.2) . 23B.2Configuration and appearance (see 5.3) . 23B.3Density (see 5.4) . 23B.4Mechanical strength (see 5.5) . 23B.4.1Characteristic strength . 23B.4.2Mean strength . 23B.5Moisture movement and water absorption by capillarity (see 5.9 and 5.8) . 23Annex C (informative)
Examples of different shapes of aggregate concrete masonry units . 27Annex D (informative)
Guidance on frequencies for designing a FPC system to demonstrate conformity of finished products with the requirements of the standard and the declaration of the manufacturer . 28Annex ZA (informative)
Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 30ZA.1Scope and relevant characteristics . 30ZA.2Procedure(s) for attestation of conformity of aggregate concrete masonry units . 32ZA.2.1System(s) of attestation of conformity . 32ZA.2.2EC Certificate and Declaration of Conformity . 33ZA.3CE marking and labelling. 34Bibliography . 38
kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 4 Foreword This document (FprEN 771-3:2010) has been prepared by Technical Committee CEN/TC 125 “Masonry”, the secretariat of which is held by BSI. This document is currently submitted to the Unique Acceptance Procedure. This document will supersede EN 771-3:2003. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association and supports the essential requirements of the EU Construction Products Directive (89/106/EEC). For relationship with EU Directives, see informative Annex ZA which is an integral part of this document. It also takes into account the general rules for reinforced and unreinforced masonry in Eurocode 6.
EN 771, Specification for masonry units consists of: − Part 1: Clay masonry units − Part 2: Calcium silicate masonry units − Part 3: Aggregate concrete masonry units (Dense and light weight aggregates) − Part 4: Autoclaved aerated concrete masonry units − Part 5: Manufactured stone masonry units − Part 6: Natural stone masonry units
kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 5 1 Scope This European Standard specifies the characteristics and performance requirements of aggregate concrete masonry units made from dense and lightweight aggregates or a combination of both for which the main intended uses are common, facing or exposed masonry in load bearing or non-load bearing building and civil engineering applications. The units are suitable for all forms of walling, including single leaf, external leaf to chimneys, cavity wall, partitions, retaining, and basement. They can provide fire protection, thermal insulation, sound insulation and sound absorption. This European Standard includes aggregate concrete masonry units of an overall non-rectangular parallelepiped shape, especially shaped and accessory units. It defines the performance related to e.g. strength, density, dimensional accuracy, and provides for the evaluation of conformity of the product to this European Standard. The marking requirements for products covered by this European Standard are also included. This European Standard does not specify standard sizes for aggregate concrete masonry units, nor standard work dimensions and angles of specially shaped aggregate concrete masonry units. It does not cover storey height panels, chimney flue linings nor units intended for use as a damp proof course. It does not cover units with an incorporated thermal insulation material bonded to the faces of the unit susceptible to be exposed to fire. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 772-1:2011, Methods of test for masonry units — Part 1: Determination of compressive strength EN 772-2, Methods of test for masonry units — Part 2: Determination of percentage area of voids in aggregate concrete masonry units (by paper indentation) EN 772-6, Methods of test for masonry units — Part 6: Determination of bending tensile strength of aggregate concrete masonry units EN 772-11, Methods of test for masonry units — Part 11: Determination of water absorption of aggregate concrete, autoclaved aerated concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units EN 772-13, Methods of test for masonry units — Part 13: Determination of net and gross dry density of masonry units (except for natural stone) EN 772-14, Methods of test for masonry units — Part 14: Determination of moisture movement of aggregate concrete and manufactured stone masonry units EN 772-16, Methods of test for masonry units — Part 16: Determination of dimensions EN 772-20, Methods of test for masonry units — Part 20: Determination of flatness of faces of aggregate concrete, manufactured stone and natural stone masonry units EN 1052-2, Methods of test for masonry — Part 2: Determination of flexural strength EN 1052-3, Methods of test for masonry — Part 3: Determination of initial shear strength prEN 1745, Masonry and masonry products — Methods for determining thermal properties kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 6 EN 13501-1, Fire classification of construction products and building elements — Part 1: Classification using data from reaction to fire tests EN ISO 12572, Hygrothermal performance of building materials and products — Determination of water vapour transmission properties (ISO 12572:2001) 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 masonry unit preformed component intended for use in masonry construction 3.1.2 common masonry unit masonry unit normally intended for use with no faces left visible 3.1.3 facing masonry unit masonry unit intended for use with one or more faces left visible and which may or may not be exposed to external climatic conditions 3.1.4 exposed masonry unit facing masonry unit exposed to external climatic conditions without render or other equivalent protection 3.1.5 aggregate concrete masonry unit masonry unit manufactured from, cementitious binder, aggregates and water and which may contain admixtures and additions and colouring pigments and other materials incorporated or applied during or subsequent to unit manufacture 3.1.6 co-ordinating size size of a co-ordinating space allocated to a masonry unit including allowances for joints 3.1.7 work size size of a unit specified for its manufacture, to which the actual size conforms within permissible deviations 3.1.8 actual size size of a unit as measured 3.1.9 regular shaped masonry unit masonry unit with an overall rectangular parallelepiped shape NOTE Examples of different shapes of concrete masonry units are shown in Annex C. 3.1.10 specially shaped masonry unit masonry unit which is not a rectangular parallelepiped kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 7 3.1.11 accessory unit unit which is shaped to provide a particular function, e.g. to complete the geometry of the masonry 3.1.12 interlocking features shaped matched projections and indentations on masonry units EXAMPLE Tongue and groove systems. 3.1.13 hole formed void which may or may not pass completely through a masonry unit 3.1.14 frog depression formed in one or both of the bed faces of a unit, the total volume of all such depressions which does not exceed a certain limit of the overall volume of the unit, i.e. length × width × height 3.1.15 recess depression or indentation in one or more surfaces of a masonry unit
EXAMPLE Mortar pocket, rendering keyway, grooves to provide a discontinuity in the mortar joint, grip hole. 3.1.16 shell peripheral solid material between the hole(s) and the face or the header of a unit 3.1.17 web solid material between the formed voids in a masonry unit 3.1.18 declared value value that a manufacturer is confident of achieving, bearing in mind the precision of the test and the variability of the manufacturing process 3.1.19 Category I masonry units units with a declared compressive strength with a probability of failure to reach it not exceeding 5 % NOTE This may be determined via the mean or characteristic value. 3.1.20 Category II masonry units units not intended to comply with the level of confidence of Category I units 3.1.21 normalized compressive strength of masonry units compressive strength of masonry units converted to the air dry compressive strength of an equivalent 100 mm wide × 100 mm high masonry unit NOTE See the procedure given in EN 772-1. 3.1.22 mean compressive strength of masonry units arithmetic mean of the compressive strengths of masonry units kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 8 3.1.23 characteristic compressive strength of masonry units compressive strength corresponding to a 5 % lower fractile of the compressive strength of masonry units 3.1.24 combined thickness of webs and shells sum of the thicknesses of the shells and webs from one face or header of a masonry unit to the opposite face or header respectively along whichever path, via the formed voids, gives the smallest value, expressed as a percentage of the unit width or length respectively 3.1.25 product group products from one manufacturer having common values for one or more characteristic 3.1.26 consignment shipment from the supplier 3.1.27 grip hole hole in a masonry unit to enable it to be more readily grasped and lifted by hand or machine 3.2 Symbols l length, in mm ld length of the diagonal, in mm w width, in mm h height, in mm fb normalized compressive strength, in N/mm2 fc characteristic compressive strength, in N/mm2 fm mean compressive strength, in N/mm2 fbi individual result compressive strength, in N/mm2 4 Materials The specifications of the materials to be used shall be included in the production control documentation (see 8.3). If appropriate European Standards are available, they shall be used except that aggregates need not comply with grading requirements. If not available, the manufacturer shall specify the materials and have data on their suitability. 5 Requirements for aggregate concrete masonry units 5.1 General The requirements and properties specified in this European Standard shall be defined in terms of the test methods and other procedures referred to in this European Standard. kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 9 NOTE A declared value may be chosen from the classification system, if any, of the place of manufacture/use of the units. It should be noted that the standard test methods are not always applicable to specially shaped and accessory units as defined in 3.1.10 and 3.1.11. The conformity criteria given in the following subclauses relates to initial type testing (see 8.2) and, when relevant, to consignment testing (see Annex A). For the compressive strength of Category I units use a 50 % fractile (p = 0,50) for mean values or 5 % fractile (p = 0,05) for characteristic values and a confidence level of 95 %. For production evaluation, the manufacturer shall define the conformity criteria in the factory production control documentation (see 8.3). 5.2 Dimensions and tolerances 5.2.1 Dimensions The manufacturer shall declare the dimensions of the aggregate concrete masonry units in mm for length, width and height, in that order (see Figure 1). They shall be given in terms of work size. NOTE 1 In addition the co-ordinating size may be given.
Key 1 Length 3 Height 5 Face 2 Width 4 Bed 6 Header
NOTE 2 This relates to the normal use of the masonry unit in the wall. Figure 1 — Dimensions and surfaces 5.2.2 Dimensional tolerances 5.2.2.1 Tolerances The tolerances on declared work sizes of individual regular shaped units shall conform to Table 1. Closer tolerances may be declared for one or more dimensions. The manufacturer shall declare the tolerance category of the units. kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 10 Table 1 — Limit deviations in millimetres Tolerance category D1 D2 D3 D4 Length +3 −5 +1 −3 +1 −3 +1 −3 Width +3 −5 +1 −3 +1 −3 +1 −3 Height +3 −5 ± 2 ± 1,5 ± 1,0
Tolerances for non-regular shaped and accessory units shall be as given in Table 1 or as declared by the manufacturer. These tolerances shall not apply to the dimensions between the surfaces of units which are manufactured to be non planar. If sampled in accordance with A.2 and tested in accordance with EN 772-16 (method a)), the results evaluated in accordance with B.1 shall conform to the declared tolerance category. 5.2.2.2 Flatness of bed faces When aggregate concrete masonry units are declared as tolerance category D4 for use with thin layer mortar, the manufacturer shall also declare the maximum deviation from flatness of the bed faces. If sampled in accordance with A.2 and tested in accordance with EN 772-20, the deviation from flatness of the bed faces shall not exceed the declared value. 5.2.2.3 Plane parallelism of bed faces When aggregate concrete masonry units are declared as tolerance category D4 for use with thin layer mortar, the manufacturer shall also declare the maximum deviation from plane parallelism of the bed faces. If sampled in accordance with A.2 and tested in accordance with EN 772-16 (method d)), the deviation from plane parallelism of the bed faces shall not exceed the declared value. 5.3 Configuration and appearance 5.3.1 Configuration When relevant to the uses for which aggregate concrete masonry units are put on the market, the configuration shall be declared. The declaration may be made by reference to one or another of the groups defined in EN 1996-1-1 and/or it may include one or more items such as those in the following list, as relevant: shape and features, including the direction of any formed voids (by means of a drawing or illustration, when relevant); volume of all formed voids as a percentage of the length × width × height of the unit; volume of the largest of any formed voids as a percentage of the length × width × height of the unit; volume of grip holes as a percentage of the length × width × height of the unit; kSIST FprEN 771-3:2010
FprEN 771-3:2010 (E) 11 thickness of webs; thickness of shells; combined thickness of webs and shells from face to face; combined thickness of webs and shells from header to header; area of voids on a bed face as a percentage of the length × width of the unit. The requirements for shape and features will normally apply to regular shaped units, but need not apply to the surfaces or arises of units with special shapes or to accessory units. Units may be provided with recesses or interlocking features and with sharp, rounded or chamfered arises. The total volume of frogs shall not exceed 20 % of the overall volume of the unit, i.e. length × width × height. Each declared value shall be stated as either an upper limit or a lower limit or as a range of values. When aggregate concrete masonry units are sampled from a consignment in accordance with A.2 and tested in accordance with EN 772-16 and EN 772-2, if necessary, the mean value derived from measurements of the test sample shall be within the range or limit declared. 5.3.2 Appearance 5.3.2.1 Flatness of surfaces of facing units When the surface of facing units are declared by the manufacturer to be plaine, they shall not deviate from a plane by more than (0,1 dl) mm or 2 mm whichever is the greater, where ld is the length of the diagonal of the surface of the unit declared plaine, based on the actual size of the unit. The requirements for flatness shall not apply to the surfaces of units which are manufactured to be non-planar. If sampled in accordance with A.2 and tested in accordance with EN 772-20, the results evaluated in accordance with B.2 shall comply with the value given above. 5.3.2.2 Surface appearance of facing units When required the surface of facing units may have compliance established on the basis of comparison with any approved samples. Comparison shall be made from a distance of 3 m in normal daylight conditions. This compliance shall be established before the units are used. 5.4 Density 5.4.1 Gross dry density of the unit
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.