ANSI AISC N690-2012 Specification for Safety-Related Steel Structures for Nuclear Facilities (Including Supplement No 1 August 11 2015)《核设施用有关安全的钢结构规范》.pdf

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1、ANSI/AISC N690-12 ANSI/AISC N690s1-15 An American National StandardSpecification for Safety-Related Steel Structures for Nuclear Facilities Including Supplement No. 1January 31, 2012 (ANSI/AISC N690-12) August 11, 2015 (ANSI/AISC N690s1-15)Supersedes the Specification for Safety-Related Steel Struct

2、ures for Nuclear Facilities dated September 20, 2006 and all previous versions of this specificationApproved by the AISC Committee on Specifications AMERICAN INSTITUTE OF STEEL CONSTRUCTION One East Wacker Drive, Suite 700 Chicago, Illinois 60601-18022015 Nuclear Facilities Spec.indd 1 9/29/15 11:43

3、 AMSpecification for Safety-Related Steel Structures for Nuclear Facilities, January 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel ConstructionCopyright 2015byAmerican Institute of Steel ConstructionAll rights reserved. This book or any part thereof must not be reproduc

4、ed in any form without the written permission of the publisher.The AISC logo is a registered trademark of AISC.The information presented in this publication has been prepared in accordance with recognized engineering principles. While it is believed to be accurate, this information should not be use

5、d or relied upon for any specific application without competent professional examination and verification of its accuracy, suitability and applicability by a licensed professional engineer, designer, or architect. The publication of the material contained herein is not intended as a representation o

6、r warranty on the part of the American Institute of Steel Construction or of any other person named herein, that this information is suitable for any general or particular use or of freedom from infringement of any patent or patents. Anyone making use of this information assumes all liability arisin

7、g from such use.Caution must be exercised when relying upon other specifications and codes developed by other bodies and incorporated by reference herein since such material may be modified or amended from time to time subsequent to the printing of this edition. The American Institute of Steel Const

8、ruction bears no responsibility for such material other than to refer to it and incorporate it by reference at the time of the initial publication of this edition.Printed in the United States of America2015 Nuclear Facilities Spec.indd 2 9/29/15 11:43 AMSpecification for Safety-Related Steel Structu

9、res for Nuclear Facilities, January 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel ConstructioniiiPREFACE(This Preface is not part of ANSI/AISC N690-12 or ANSI/AISC N690s1-15, but is included for informational purposes only.)The AISC Specification for Safety-Related Stee

10、l Structures for Nuclear Facilities, hereaf-ter referred to as the Nuclear Specification, addresses the design, fabrication and erection of safety-related steel structures for nuclear facilities. This document uses the 2010 AISC Specification for Structural Steel Buildings, hereafter referred to as

11、the Specification, as the baseline document and modifies the specific portions of the Specification to make it applicable to the design, fabrication and erection of safety-related steel structures for nuclear facilities. Nonmandatory User Notes and Commentary provide additional guidance and backgrou

12、nd for the Nuclear Specification provisions, and the user is encouraged to consult them.Safety-related steel structures in nuclear facilities, which provide support and protective functions to equipment vital to the facility, are subjected to certain unique design forces and loads resulting from pos

13、tulated accidents (such as turbine-generated missiles and jet forces from high-energy line breaks) and from extreme natural phenomena (tornadoes and earthquakes). The relevant regulatory and jurisdictional authorities (for example, the Nuclear Regulatory Commission and the Department of Energy) dict

14、ate special quality assurance requirements and additional design requirements associated with these structures. As such, safety-related nuclear structures require special design provisions. The provisions specified herein are to be used in conjunction with the Specification. The Nuclear Specificatio

15、n con-sists of modifications (additions, deletions and replacements) to the Specification.This printing includes Supplement No. 1 to the Specification for Safety-Related Steel Structures for Nuclear Facilities (ANSI/AISC N690s1-2012), which consists primarily of the material in Appendix N9. Some add

16、itional revisions were also required to existing sec-tions to incorporate the new Appendix.The Nuclear Specification, including Supplement No. 1, has been developed as a consen-sus document to provide uniform practice in the design of steel-framed structures for nuclear facilities. This specificatio

17、n was approved by the AISC Committee on Specifications:MembersR. Shankar Nair,ChairmanPatrick J. Fortney,Vice ChairmanAllen AdamsTaha D. Al-ShawafWilliam F. BakerReidar BjorhovdeCharles J. CarterGregory G. DeierleinW. Samuel EasterlingMichael D. EngelhardtJames M. FisherLouis F. GeschwindnerRamon E.

18、 GilsanzLawrence G. GriffisJohn L. GrossJerome F. HajjarPatrick M. HassettTony C. HazelRichard A. Henige, Jr.Mark V. HollandJohn D. HooperNestor R. IwankiwRonald J. JanowiakLawrence A. KloiberLawrence F. KruthKeith LandwehrJay W. LarsonRoberto T. LeonJames O. MalleyDuane K. MillerLarry S. MuirThomas

19、 M. MurrayDouglas A. Rees-EvansRafael Sabelli2015 Nuclear Facilities Spec.indd 3 9/29/15 11:43 AMSpecification for Safety-Related Steel Structures for Nuclear Facilities, January 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel ConstructionivThomas A. SabolBenjamin W. Scha

20、ferRobert E. Shaw, Jr.Donald R. ShermanW. Lee ShoemakerWilliam A. ThorntonChia-Ming UangAmit H. VarmaDonald W. WhiteRonald D. ZiemianCynthia J. Duncan,SecretaryEmeritus MembersJohn M. BarsomRoger L. BrockenbroughDuane S. EllifrittBruce R. EllingwoodShu-Jin FangSteven J. FenvesJohn W. FisherTheodore

21、V. GalambosRaymond H. R. TideIn addition, the following are also acknowledged for their contribution to the approval of the Nuclear Specification: Sanjeev R. Malushte, David L. McKenzie and Richard C. Kaehler.The Committee on Specifications gratefully acknowledges the following task committee (TC 12

22、Nuclear Facilities Design) for their development of the Nuclear Specification and Supplement No. 1.Ronald J. Janowiak, Chairman Sanjeev R. MalushteTaha D. Al-Shawaf, Vice-Chairman Javad MoslemianSteven M. Ashton Jose PiresR. Peter Deubler Jason P. ReddMark Guida Subir K. SenMark V. Holland Amit H. V

23、armaWilliam H. Johnson Erin L. Criste, SecretaryIn addition, the following are also acknowledged for their contribution to the development of the Nuclear Specification: Hansraj G. Ashar, Howard H. Chung, Bozidar Stojadinovic and Albert Y. C. Wong.The Committee on Specifications gratefully acknowledg

24、es the Adhoc Subcommittee on Modular Construction that developed Supplement No. 1:Taha D. Al-Shawaf, ChairmanAmit H. Varma, Vice-ChairmanMichel BruneauShu-Jin FangMark V. HollandRonald J. JanowiakWilliam H. JohnsonSanjeev R. MalushteErin L. Criste, SecretaryIn addition, the following are also acknow

25、ledged for their contribution to the development of Supplement No. 1: Keith L. Coogler, Branko Galunic, Mark Guida, Wonki Kim, Ilhwan Moon, Javad Moslemian, Sujit N. Niogi, Jason P. Redd, and Matthew Van Liew.PREFACE2015 Nuclear Facilities Spec.indd 4 9/29/15 11:43 AMSpecification for Safety-Related

26、 Steel Structures for Nuclear Facilities, January 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel ConstructionvTABLE OF CONTENTSSYMBOLS .xiiGLOSSARY .xviiSPECIFICATIONNA. GENERAL PROVISIONS .1NA1. Scope .1NA2. Referenced Specifications, Codes and Standards .2NA3. Material

27、 .51. Structural Steel Materials .51a. ASTM Designations .51b. Unidentified Steel .61c. Rolled Heavy Shapes .61d. Built-Up Heavy Shapes .72. Steel Castings and Forgings .83. Bolts, Washers and Nuts 84. Anchor Rods and Threaded Rods .85. Consumables for Welding .86. Headed Stud Anchors 9NA4. Structur

28、al Design Drawings and Specifications .9NA5. Quality Assurance 10NB. DESIGN REQUIREMENTS 11NB2. Loads and Load Combinations .111. Normal Loads .112. Severe Environmental Loads 113. Extreme Environmental Loads 124. Abnormal Loads .125. Load and Resistance Factor Design (LRFD) .125a. Normal Load Combi

29、nations 125b. Severe Environmental Load Combinations .125c. Extreme Environmental and Abnormal Load Combinations .135d. Other Considerations 136. Allowable Strength Design (ASD) .136a. Normal Load Combinations 146b. Severe Environmental Load Combinations .146c. Extreme Environmental and Abnormal Loa

30、d Combinations .146d. Other Considerations 142015 Nuclear Facilities Spec.indd 5 9/29/15 11:43 AMSpecification for Safety-Related Steel Structures for Nuclear Facilities, January 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel Constructionvi TABLE OF CONTENTSNB3. Design B

31、asis .151. Required Strength 154. Design for Strength Using Allowable Strength Design (ASD) 159. Design for Serviceability .1515. Design Based on Ductility and Local Effects .16NB5. Fabrication and Erection .19NB6. Quality Control and Quality Assurance 19NB7. Evaluation of Existing Structures .19NC.

32、 DESIGN FOR STABILITY .20ND. DESIGN OF MEMBERS FOR TENSION .21NE. DESIGN OF MEMBERS FOR COMPRESSION .22NF. DESIGN OF MEMBERS FOR FLEXURE 23NG. DESIGN OF MEMBERS FOR SHEAR .24NH. DESIGN OF MEMBERS FOR COMBINED FORCES AND TORSION 25NI. DESIGN OF COMPOSITE MEMBERS 26NJ. DESIGN OF CONNECTIONS. . . . . .

33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27NJ1. General Provisions 279. Rivets 2710. Limitations on Bolted and Welded Connections .27NJ2. Welds 282b. Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286. Filler Metal Req

34、uirements 28NJ3. Bolts and Threaded Parts .298. High-Strength Bolts in Slip-Critical Connections 2910. Bearing Strength at Bolt Holes 29NK. DESIGN OF HSS AND BOX MEMBER CONNECTIONS .30NL. DESIGN FOR SERVICEABILITY .31NL1. General Provisions 31NM. FABRICATION AND ERECTION .32NM1. Shop and Erection Dr

35、awings 32NM2. Fabrication and Construction 321. Cambering, Curving and Straightening 322. Thermal Cutting .323. Planing of Edges .334. Welded Construction 337. Dimensional Tolerances .339. Holes for Anchor Rods 3512. Surface Condition 352015 Nuclear Facilities Spec.indd 6 9/29/15 11:43 AMSpecificati

36、on for Safety-Related Steel Structures for Nuclear Facilities, January 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel ConstructionviiTABLE OF CONTENTS13. Bending 3614. Commercial Grade Dedication 3615. Identification of Steel .36NM3. Shop Painting 364. Finished Surfaces

37、36NM4. Erection 372. Stability and Connections 377. Tolerances for Cranes .377a. Tolerances for Crane Column Base Lines 377b. Tolerances for Crane Runway Girders 377c. Tolerances for Crane Rails .37NN. QUALITY CONTROL AND QUALITY ASSURANCE 39NN1. General Provisions 39NN2. Fabricator and Erector Qual

38、ity Assurance Program .40NN3. Fabricator and Erector Documents 411. Submittals for Steel Construction 412. Available Documents for Steel Construction .41NN4. Inspection and Nondestructive Evaluation Personnel .421. Quality Control Inspector Qualifications 422. Quality Assurance Inspector Qualificati

39、ons 423. NDE Personnel Qualifications 42NN5. Minimum Requirements for Inspection of Structural Steel Buildings and Structures .431. Quality Control 432. Quality Assurance 433. Coordinated Inspection 444. Inspection of Welding .445. Nondestructive Examination of Welded Joints 475a. Procedures 475b. C

40、JP Groove Weld NDE 475c. Access Hole NDE 475d. Welded Joints Subjected to Fatigue .485e. Reduction of Rate of Ultrasonic Examination 485f. Increase in Rate of Ultrasonic Examination 485g. Documentation 486. Inspection of High-Strength Bolting 497. Other Inspection Tasks 51NN6. Minimum Requirements f

41、or Inspection of Composite Construction 51NN7. Nonconforming Material and Workmanship 53APPENDIX N1. DESIGN BY INELASTIC ANALYSIS .54N1.1. General Provisions 542015 Nuclear Facilities Spec.indd 7 9/29/15 11:43 AMSpecification for Safety-Related Steel Structures for Nuclear Facilities, January 31, 20

42、12 incl. Supplement No. 1, August 11, 2015American Institute of Steel Constructionviii TABLE OF CONTENTSAPPENDIX N2. DESIGN FOR PONDING .55APPENDIX N3. DESIGN FOR FATIGUE 56APPENDIX N4. STRUCTURAL DESIGN FOR FIRE CONDITIONS 57N4.1 General Provisions 57N4.2 Structural Design for Fire Conditions by An

43、alysis .57N4.2.3.1 Thermal Elongation 57APPENDIX N5. EVALUATION OF EXISTING STRUCTURES .60N5.1. General Provisions 60N5.2. Material Properties 601. Determination of Required Tests .602. Tensile Properties 603. Chemical Composition 614. Base Metal Notch Toughness .615. Weld Metal .616. Bolts. . . . .

44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61N5.3. Evaluation by Structural Analysis 621. Dimensional Data 622. Strength Evaluation .623. Serviceability Evaluation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62N5.4. Evaluatio

45、n by Load Tests .621. Determination of Live Load Rating by Testing 622. Serviceability Evaluation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63N5.5. Evaluation Report .63APPENDIX N6. STABILITY BRACING FOR COLUMNS AND BEAMS .64APPENDIX N7. ALTERNATIVE METHODS OF DESIGN FOR S

46、TABILITY .65APPENDIX N8. APPROXIMATE SECOND-ORDER ANALYSIS 66APPENDIX N9. STEEL-PLATE COMPOSITE (SC) WALLS 67N9.1. Design Requirements 671. General Provisions .672. Design Basis 682a. Required Strength 682b. Design for Stability .693. Faceplate Slenderness Requirement 694. Requirements for Composite

47、 Action 694a. Classification of Steel Anchors 694b. Spacing of Steel Anchors 705. Tie Requirements .715a. Classification of Ties 715b. Required Tensile Strength for Ties .712015 Nuclear Facilities Spec.indd 8 9/29/15 11:43 AMSpecification for Safety-Related Steel Structures for Nuclear Facilities, J

48、anuary 31, 2012 incl. Supplement No. 1, August 11, 2015American Institute of Steel ConstructionixTABLE OF CONTENTS6. Design for Impactive and Impulsive Loads .726a. Dynamic Increase Factors 726b. Ductility Ratios 726c. Response Determination .737. Design and Detailing Around Openings .737a. Design a

49、nd Detailing Requirements Around Small Openings 737b. Design and Detailing Requirements Around Large Openings 757c. Bank of Small Openings .75N9.2. Analysis Requirements .761. General Provisions .762. Effective Stiffness for Analysis 763. Geometric and Material Properties for Finite Element Analysis 784. Analyses Involving Accident Thermal Conditions .785. Determination of Required Strengths .79N9.3. Design of SC Walls .801. Uniaxial Tensile Strength 802. Compressive Strength .803. Out-of-Plane Flexural Strength 814. In-Plane Shear Strength 815. Out-of-Plane Shear Strength 8