《BS-EN-12602-2008.pdf》由会员分享，可在线阅读，更多相关《BS-EN-12602-2008.pdf（164页珍藏版）》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 12602:2008 Prefabricated reinforced components of autoclaved aerated concrete ICS 91.100.30 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:41:32 MDTNo reproduction
2、 or networking permitted without license from IHS -,-,- BS EN 12602:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2008 BSI 2008 ISBN 978 0 580 53916 9 National foreword This British Standard is the UK implementation of EN 12602
3、:2008. The UK participation in its preparation was entrusted to Technical Committee B/523, Prefabricated components of reinforced autoclaved aerated concrete and lightweight aggregate concrete with open structure. A list of organizations represented on this committee can be obtained on request to it
4、s secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments Copyr
5、ight British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:41:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12602 April 2
6、008 ICS 91.100.30 English Version Prefabricated reinforced components of autoclaved aerated concrete Elments prfabriqus arms en bton cellulaire autoclavVorgefertigte bewehrte Bauteile aus dampfgehrtetem Porenbeton This European Standard was approved by CEN on 21 March 2008. CEN members are bound to
7、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 Man
8、agement 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 Management Centre has the same status as
9、 the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slo
10、vakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwi
11、de for CEN national Members. Ref. No. EN 12602:2008: E Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:41:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 126
12、02:2008 (E) 2 Contents Page Foreword9 1 Scope 11 2 Normative references11 3 Terms, definitions, symbols and abbreviations.13 3.1 Terms and definitions .13 3.2 Symbols14 3.2.1 General symbols14 3.2.2 Subscripts 14 3.2.3 Symbols used in this European Standard (including normative annexes, except Annex
13、 C)15 3.3 Abbreviations.20 4 Properties and requirements of materials 21 4.1 Constituent materials of autoclaved aerated concrete21 4.1.1 General21 4.1.2 Release of dangerous substances.21 4.2 Autoclaved aerated concrete parameters.22 4.2.1 General22 4.2.2 Dry density .22 4.2.3 Characteristic streng
14、th values.23 4.2.4 Compressive strength.23 4.2.5 Tensile strength and flexural strength 24 4.2.6 Stress-strain diagram24 4.2.7 Modulus of elasticity .24 4.2.8 Poissons ratio .25 4.2.9 Coefficient of thermal expansion.25 4.2.10 Drying shrinkage25 4.2.11 Creep.25 4.2.12 Specific heat.26 4.2.13 Thermal
15、 conductivity.26 4.2.14 Water vapour permeability28 4.2.15 Water tightness28 4.3 Reinforcement28 4.3.1 Steel 28 4.3.2 Structural reinforcement.28 4.3.3 Effective diameter of coated bars29 4.3.4 Non-structural reinforcement.29 4.4 Bond30 4.5 Thermal prestress30 4.5.1 General30 4.5.2 Declared mean ini
16、tial prestrain 0m,g31 5 Properties and requirements of components.31 5.1 General31 5.1.1 Mechanical resistance.31 5.1.2 Acoustic properties.31 5.1.3 Reaction to fire and resistance to fire .32 5.1.4 Design thermal resistance and design thermal conductivity .32 5.2 Technical requirements and declared
17、 properties 32 5.2.1 Dimensions and tolerances32 5.2.2 Mass of the components.33 5.2.3 Dimensional stability.33 5.2.4 Load-bearing capacity.34 5.2.5 Deflections34 5.2.6 Joint strength.35 5.2.7 Minimum requirements .35 5.3 Durability 37 BS EN 12602:2008 Copyright British Standards Institution Provide
18、d by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:41:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 12602:2008 (E) 3 5.3.1 General37 5.3.2 Environmental conditions.37 5.3.3 Corrosion protection of reinforc
19、ement .38 5.3.4 Freeze and thaw resistance39 6 Evaluation of conformity.39 6.1 Introduction39 6.2 Initial type-testing of the component.39 6.3 Factory production control.40 6.3.1 General40 6.3.2 Process control40 6.3.3 Finished products41 6.4 Initial inspection of the factory and the factory product
20、ion control 41 6.4.1 Information to be supplied41 6.4.2 Inspection.41 6.4.3 Reports .41 6.5 Surveillance, assessment and acceptance of the factory production control .42 6.5.1 Inspection tasks.42 6.5.2 Frequency of inspections.42 6.5.3 Reports .42 6.6 Actions to be taken in the event of non-conformi
21、ty 42 7 Basis for design.48 7.1 Design methods.48 7.2 Limit states.48 7.3 Actions48 8 Marking, labelling and designation49 8.1 Standard designation49 8.2 Production detail information 49 8.3 Additional information on accompanying documents49 Annex A (normative) Design by calculation .51 A.1 General5
22、1 A.2 Ultimate limit states (ULS) General design assumptions51 A.3 Ultimate limit states (ULS): design for bending and combined bending and axial compression.53 A.3.1 Design assumptions53 A.3.2 Stress-strain diagram for AAC.53 A.3.3 Stress-strain diagram for reinforcing steel.54 A.3.4 Minimum reinfo
23、rcement56 A.4 Shear.57 A.4.1 Shear design for components predominantly under transverse load.57 A.5 Ultimate limit states induced by structural deformation (buckling).62 A.5.1 General62 A.5.2 Method based on Euler formula.62 A.5.3 Modified model column method 63 A.6 Punching 69 A.6.1 General69 A.6.2
24、 Scope and definitions .69 A.6.3 Design method for punching shear.71 A.7 Primary torsion/combined primary torsion and shear 72 A.8 Concentrated forces74 A.9 Serviceability limit states (SLS) .75 A.9.1 General75 A.9.2 Limitation of stresses under serviceability conditions.75 A.9.3 Serviceability limi
25、t states of cracking .76 A.9.4 Serviceability limit states of deformation .76 A.10 Detailing of reinforcement79 A.10.1 General79 A.10.2 Bond79 BS EN 12602:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Res
26、ale, 08/14/2008 20:41:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 12602:2008 (E) 4 A.10.3 Anchorage 80 A.11 Support length .82 Annex B (normative) Design by testing.84 B.1 General84 B.2 Safety evaluation .85 B.2.1 General85 B.2.2 Brittle and ductile failure.85 B.3
27、 Ultimate limit state.85 B.3.1 General85 B.3.2 Transversely loaded components85 B.3.3 Longitudinally loaded components.87 B.3.4 Simultaneously transversely and longitudinally loaded wall components.90 B.3.5 Anchorage 91 B.4 Serviceability limit states93 B.4.1 Crack width control .93 B.4.2 Deformatio
28、ns93 Annex C (normative) Resistance to fire design of AAC components and structures94 C.1 General94 C.1.1 Scope 94 C.1.2 Distinction between principles and application rules94 C.1.3 Terms and definitions .94 C.1.4 Symbols96 C.1.5 Units97 C.2 Basic principles .97 C.2.1 Performance requirements.97 C.2
29、.2 Design values of material properties.98 C.2.3 Assessment methods98 C.3 Material properties.99 C.3.1 General99 C.3.2 AAC .99 C.3.3 Steel 101 C.4 Structural fire design methods.102 C.4.1 General102 C.4.2 Tabulated data102 C.4.3 Simplified design methods.106 C.4.4 Anchorage 110 C.5 Protective layers
30、110 Annex CA (normative) Modulus of elasticity and maximum strain of AAC and reinforcing steel at elevated temperature111 Annex CB (informative) Joints between AAC components satisfying resistance to fire E.114 CB.1 Floor and roof components with dry joints 114 CB.2 Floor and roof components with mo
31、rtar joints.114 CB.3 Vertical and horizontal wall components with dry joints 115 CB.4 Vertical and horizontal wall components with mortar joints 115 Annex CC (normative) Temperature profiles of AAC wall, floor and roof components and AAC beams117 CC.1 Basis of temperature profiles.117 CC.2 Temperatu
32、re profiles for AAC wall, floor and roof components 117 CC.3 Temperature profiles for AAC beams119 CC.4 Calculation assumptions 127 Annex CD (normative) Resistance to fire tabulated data for walls with mechanical impact128 Annex D (informative) Recommended values for partial safety factors130 BS EN
33、12602:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:41:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 12602:2008 (E) 5 D.1 General130 D.2 Ultimate Li
34、mit States (ULS).130 D.3 Serviceability Limit States (SLS)131 Annex E (informative) Recommendations for the consideration of prestress in the design of prefabricated reinforced AAC components.132 E.1 Calculation of prestrain from test results.132 E.1.1 General132 E.1.2 Symbols133 E.1.3 Cross-section
35、 values of AAC components.133 E.1.4 Calculation of prestrain 0 from steel measurement133 E.2 Cross-sectional analysis of a AAC component in SLS if prestress is taken into account134 E.3 Splitting forces due to prestress .134 E.4 Methods to prevent end cracks due to prestress 135 Annex F (informative
36、) Statistical methods for quality control136 F.1 Quality control .136 Annex ZA (informative) Provisions for the CE marking of prefabricated reinforced components of autoclaved aerated concrete under the EC Construction Product Directive.138 ZA.1 Clauses of this European Standard addressing the provi
37、sions of EC Construction Products Directive.138 ZA.2 Procedures for the attestation of conformity of products 146 ZA.2.1 Systems of attestation of conformity 146 ZA.2.2 EC Certificate and Declaration of conformity.148 ZA.3 CE marking and labelling149 ZA.3.1 General149 ZA.3.2 Declaration of geometric
38、al data and material properties150 ZA.3.3 Declaration of product properties153 ZA.3.4 Declaration of compliance with given design specification .155 ZA.3.5 Declaration of compliance with a given design specification 156 ZA.3.6 Simplified CE-marking label with reference to a manufacturers catalogue.1
39、59 ZA.3.7 Additional information 160 Bibliography161 Figures Figure 1 Determination of dry thermal conductivity 10dry.27 Figure A.1 Determination of effective span leff52 Figure A.2 Bi-linear stress-strain diagram for AAC in compression for cross-sectional design54 Figure A.3 Design stress-strain di
40、agram for reinforcing steel55 Figure A.4 Strain diagrams in the ultimate limit state56 Figure A.5 Notation for components subjected to shear.59 Figure A.6 Structural model and possible load cases for the modified model column method64 Figure A.7 Relation between curvature and strain Two curvatures (
41、great curvature and small curvature) are presented67 Figure A.8 Application of punching provisions in non-standard cases 70 Figure A.9 Critical perimeter around loaded areas located away from an unsupported edge70 Figure A.10 Critical perimeter near an opening71 Figure A.11 Critical sections near un
42、supported edges .71 Figure A.12 Idealised box section73 Figure A.13 Definition of the areas to be introduced in Equation (A.39) .74 BS EN 12602:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/
43、2008 20:41:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EN 12602:2008 (E) 6 Figure A.14 Moment curvature relationship79 Figure A.15 Effective length of transverse anchorage bars82 Figure A.16 Envelope line for determining the tensile force in the longitudinal reinforc
44、ement82 Figure A.17 Support length ao.83 Figure B.1 Definition of shear span ls86 Figure B.2 Typical reinforcement layouts in AAC-components86 Figure B.3 Diagram for determination of the column factor k.89 Figure B.4 N/M - interaction diagram of the cross-section representing the results of three te
45、st series .91 Figure B.5 Envelope line for determining the section of the actual bending moment, Mda.93 Figure C.1 Coefficient kc( ) allowing for decrease of compressive strength, fck, of AAC at elevated temperature .100 Figure C.2 Coefficient ks( ) allowing for decrease of characteristic strength f
46、yk of tension and compression reinforcement 101 Figure C.3 Sections of AAC components showing nominal axis distance a and nominal concrete cover c of reinforcement103 Figure C.4 Reduction of strength and cross-section for sections exposed to fire .108 Figure C.5 Division of a wall, with both sides e
47、xposed to fire, into zones for use in calculation of strength reduction and az values 108 Figure CA.1 Stress-strain relationship of AAC under compression at elevated temperature.111 Fisgure CA.2 Stress-strain relationship of reinforcing steel at elevated temperature.113 Figure CB.1 Example of a dry
48、joint in structures made of floor or roof components with cover (e.g. topping) preventing movement of air through the joint .114 Figure CB.2 Examples of mortar joints in structures made of floor or roof components114 Figure CB.3 Example of dry joints with two sealing strips in structures made of horizontal wall components.115 Figure CB.4 Examples of thin layer mortar joints in structures made