1、June 2011 Translation by DIN-Sprachendienst.English price group 32No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 9
2、1.100.30!$s3“1802916www.din.deDDIN EN 1520Prefabricated reinforced components of lightweight aggregate concretewith open structure with structural or non-structural reinforcementEnglish translation of DIN EN 1520:2011-06Vorgefertigte Bauteile aus haufwerksporigem Leichtbeton und mit statisch anreche
3、nbareroder nicht anrechenbarer BewehrungEnglische bersetzung von DIN EN 1520:2011-06Composants prfabriqus en bton de granulats lgers structure ouverte avec desarmatures structurales et non-structuralesTraduction anglaise de DIN EN 1520:2011-06SupersedesDIN EN 1520:2003-07See start of applicationwww.
4、beuth.deDocument comprises 111 pages In case of doubt, the German-language original shall be considered authoritative.06.11 DIN EN 1520:2011-06 2 A comma is used as the decimal marker. Start of application The start of application of this standard is due to be 1 December 2011. DIN EN 1520:2003-07 ma
5、y be used in parallel until 31 December 2012 (see deadline in the EU Official Journal). It should be noted that, in Germany, CE conformity marking of construction products will be permitted once this standard has been listed in the Bundesanzeiger (German Federal Gazette) and from the date given ther
6、ein. National foreword This standard has been prepared by Technical Committee CEN/TC 177 “Prefabricated reinforced components of autoclaved aerated concrete or lightweight aggregate concrete with open structure” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was
7、 the Normenausschuss Bauwesen (Building and Civil Engineering Standards Committee), Working Committee NA 005-07-09 AA Porenbeton und haufwerks-poriger Leichtbeton (SpA zu CEN/TC 177). Amendments This standard differs from DIN EN 1520:2003-07 as follows: a) Clause 4 “Properties and requirements of ma
8、terials” has been revised and extended; b) Clause 5 “Properties and requirements of components” has been revised and extended; c) Clause 6 “Evaluation of conformity” has been revised and extended; d) the annexes have been updated. Previous editions DIN 4028: 1938-10, 1982-01 DIN 4232: 1949-09, 1950-
9、04, 1955-10, 1972-01, 1978-123, 1987-09 DIN EN 1520: 2003-07 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1520 March 2011 ICS 91.100.30 Supersedes EN 1520:2002English Version Prefabricated reinforced components of lightweight aggregate concrete with open structure with structural or non-stru
10、ctural reinforcement Composants prfabriqus en bton de granulats lgers structure ouverte avec des armatures structurales et non-structurales Vorgefertigte Bauteile aus haufwerksporigem Leichtbeton und mit statisch anrechenbarer oder nicht anrechenbarer Bewehrung This European Standard was approved by
11、 CEN on 5 February 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 stand
12、ards 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 no
13、tified 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, Lithua
14、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CE
15、N All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1520:2011: EContents Page Foreword 71 Scope 102 Normative references 103 Terms, definitions, symbols and abbreviations . 133.1 Terms and definitions . 133.2 Symbols 133.2.1 General symb
16、ols 133.2.2 Subscripts 143.2.3 Symbols used in this European Standard 143.3 Abbreviations . 193.4 Units 194 Properties and requirements of materials 204.1 Constituents . 204.1.1 General 204.1.2 Release of dangerous substances . 204.2 Lightweight aggregate concrete parameters 204.2.1 Dry density . 20
17、4.2.2 Characteristic strength values . 214.2.3 Compressive strength . 214.2.4 Flexural strength and uniaxial tensile strength 234.2.5 Stress-strain diagram 234.2.6 Modulus of elasticity . 244.2.7 Poissons ratio . 244.2.8 Coefficient of thermal expansion . 244.2.9 Drying shrinkage 244.2.10 Creep . 25
18、4.2.11 Thermal conductivity . 254.2.12 Water vapour permeability 274.2.13 Water tightness 274.3 Reinforcement steel 275 Properties and requirements of components . 285.1 General 285.1.1 Mechanical resistance . 285.1.2 Deflections 285.1.3 Acoustic properties . 285.1.4 Reaction to fire and resistance
19、to fire . 295.1.5 Design thermal resistance and design thermal conductivity . 295.2 Types of components 305.2.1 General 305.2.2 Roof and floor components 315.2.3 Wall components . 315.2.4 Beams and piers 315.2.5 Other prefabricated components . 315.3 Detailing, technical requirements, and declared p
20、roperties . 315.3.1 Detailing 315.3.2 Dimensions and tolerances 315.3.3 Mass of the components . 325.3.4 Deflections 325.3.5 Strength of joints . 325.3.6 Minimum requirements . 325.3.7 Reinforcement detailing 325.4 Additional requirements for roof and floor components and beams . 335.4.1 Minimum dim
21、ensions 33DIN EN 1520:2011-06 EN 1520:2011 (E) 2 5.4.2 Minimum requirements for structural reinforcement 335.4.3 Support length . 345.5 Additional requirements for wall components . 355.5.1 General 355.5.2 Walls with non-structural reinforcement. 355.5.3 Walls with structural reinforcement 355.6 Dur
22、ability 365.6.1 General 365.6.2 Minimum cover with regard to bond 375.6.3 Exposure classes related to environmental conditions 375.6.4 Corrosion protection of reinforcement . 385.6.5 Freeze-thaw resistance . 406 Evaluation of conformity. 406.1 Introduction 406.2 Initial type-testing of the component
23、 . 416.2.1 General 416.2.2 Sharing of results from ITT . 416.3 Factory production control . 426.3.1 General 426.3.2 Process control 426.3.3 Finished products 426.4 Initial inspection of the factory and the factory production control 436.4.1 Information to be supplied 436.4.2 Inspection . 436.4.3 Rep
24、orts . 436.5 Surveillance, assessment and approval of the factory production control 436.5.1 Inspection tasks . 436.5.2 Frequency of inspections . 436.5.3 Reports . 446.6 Actions to be taken in the event of non-conformity 447 Basis for design . 507.1 Design methods . 507.2 Limit states . 507.3 Actio
25、ns 508 Marking, labelling and designation 518.1 Standard designation 518.2 Additional information on accompanying documents 52Annex A (normative) Design of components by calculation 53Annex B (informative) Design of components by testing 81Annex C (informative) Recommended values for partial safety
26、factor 87Annex ZA (informative) Provisions for the CE marking of prefabricated components of lightweight aggregate concrete with open structure with structural or non-structural reinforcement under the EU Construction Product Directive . 88Bibliography 109DIN EN 1520:2011-06 EN 1520:2011 (E) 3 Figur
27、es Figure 1 Determination of dry thermal conductivity 10dry.26Figure 2 Examples of multilayer slab, hollow core slab and solid slab (With respect to transverse reinforcement, see 5.4.2.1) 34Figure 3 Support length a035Figure 4 Basic design of hollow core wall components .36Figure A.1 Bi-linear stres
28、s-strain diagram for LAC in compression for cross-sectional design .55Figure A.2 Design stress-strain diagram for reinforcement steel .56Figure A.3 Possible strain diagrams in the ultimate limit state 56Figure A.4 Limits of slenderness ratio S of loadbearing walls and piers 62Figure A.5 Design loads
29、 for cellar walls .67Figure A.6 Additional horizontal force Hfddue to inclination of the components and effects of second order theory.72Figure A.7 Tensile splitting forces in wall components with oversail s .73Figure A.8 Tensile splitting forces at the top of a hollow core wall component. 74Figure
30、A.9 Tensile splitting force T due to centric loading 75Figure A.10 Anchorage of smooth reinforcing bars .79Figure A.11 Anchorage of ribbed reinforcing bars .79Figure B.1 Definition of shear span ls.83Figure B.2 Simplified / interaction diagram of the cross-section, representing results of three test
31、 series .86Figure ZA 1 Example of CE marking with Method 1 101Figure ZA 2 Example of CE marking with Method 2 103Figure ZA.3 Example of CE marking with Method 3a 105Figure ZA.4 Example of CE marking with Method 3b 107Figure ZA.5 Example of simplified label .108Tables Table 1 Tolerances on declared m
32、ean dry density of LAC 20Table 2 Density classes of LAC .21Table 3 Determination of the characteristic strength fkand required minimum strength fmin.21Table 4 Statistical coefficient Kn for determination of characteristic strength .22Table 5 Reduction factors for compressive strength of cores with i
33、ndicated diameter and equal length of cubes.22DIN EN 1520:2011-06 EN 1520:2011 (E) 4 Table 6 Conversion factors for conversion of test results of cast test specimens to the strength of reference test specimens (drilled cores of 100 mm diameter and length or 100 mm cubes) 22Table 7 Strength classes a
34、nd strength requirements for LAC . 23Table 8 Dry thermal conductivity 10dryof LAC for 50 % and 90 % of production, with a confidence level = 90 % (compiled according to EN 1745) 27Table 9 Basic values for moisture content and moisture conversion coefficient of LAC (compiled according to EN ISO 10456
35、) 29Table 10 Types of components 30Table 11 Maximum permissible deviation from squareness in the plane of components . 32Table 12 Minimum percentage of reinforcement R 33Table 13 Description of permissible exposure classes with respect to risk of reinforcement corrosion 37Table 14 Embedding in a zon
36、e of normal concrete or LC-concrete with closed structure - Minimum concrete cover in mm . 38Table 15 Minimum concrete cover in mm for hot dip galvanized reinforcement steel . 39Table 16 Minimum concrete cover in mm with regard to durability and test method to pass by initial type-test and FPC for b
37、ars with a corrosion protective coating 40Table 17 Initial type-testing of the LAC components . 45Table 18 Factory production control, testing of the finished product LAC components for structural uses . 46Table 19 Factory production control, testing of the finished product, LAC components for non-l
38、oadbearing uses. 48Table A.1 Minimum percentages of shear reinforcement w,minfor reinforcement steel with fyk= 500 MPa . 60Table A.2 Coefficient for the determination of the buckling length l0 at different boundary conditions (used in Equation (A. 25), l0= lw) . 64Table A.3 Required dimensions of be
39、ams without verification of loadbearing capacity 71Table A.3 Limits of reinforcement in roof and floor components for design by calculation (plain steel, with characteristic yield strength fyk 220 MPa) . 78Table C.1 Partial safety factors Mfor material properties . 87Table C.2 Partial safety factors
40、 compfor components 87Table ZA.1a Harmonised clauses for loadbearing wall components . 89Table ZA.1b Harmonised clauses for retaining wall components 90Table ZA.1c Harmonised clauses for roof components . 91Table ZA.1d Harmonised clauses for floor components 92Table ZA.1e Harmonised clauses for line
41、ar components 93Table ZA.1f Harmonised clauses for non-loadbearing wall components 94Table ZA.1g Harmonised clauses for cladding components . 95DIN EN 1520:2011-06 EN 1520:2011 (E) 5 Table ZA.1h Harmonised clauses for small box culvert components 96Table ZA.2a Systems of attestation of conformity .9
42、7Table ZA.2b Assignation of evaluation of conformity tasks (for structural components) under system 2+ .97Table ZA.2c Assignation of evaluation of conformity tasks (for non structural or light structural components) under System 498DIN EN 1520:2011-06 EN 1520:2011 (E) 6 Foreword This document (EN 15
43、20:2011) has been prepared by Technical Committee CEN/TC 177 “Prefabricated reinforced components of autoclaved aerated concrete or lightweight aggregate concrete with open structure”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, e
44、ither by publication of an identical text or by endorsement, at the latest by September 2011, and conflicting national standards shall be withdrawn at the latest by December 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CE
45、N and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1520:2002. Among others, the following changes have been made compared to EN 1520:2002: terms and definitions have been updated; the order of clauses has been changed; lightweigh
46、t aggregate concrete parameters have been adapted; normative references for reinforcement steel have been updated; properties and requirements of components have been adapted, e.g. acoustic properties, thermal resistance; evaluation of conformity has been adapted; Annex A and Annex ZA have been adapted; the standard has been editorially edited. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Direc
