AISC 360-2010 Specification for Structural Steel Buildings.pdf

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1、Specification for Structural Steel BuildingsJune 22, 2010Supersedes the Specification for Structural Steel Buildings dated March 9, 2005 and all previous versions of this specificationApproved by the AISC Committee on SpecificationsAMERICAN INSTITUTE OF STEEL CONSTRUCTIONOne East Wacker Drive, Suite

2、 700Chicago, Illinois 60601-1802ANSI/AISC 360-10An American National StandardSpecification for Structural Steel Buildings, June 22, 2010AMERICAN INSTITUTE OF STEEL CONSTRUCTIONAISC 2010byAmerican Institute of Steel ConstructionAll rights reserved. This book or any part thereofmust not be reproduced

3、in any form without thewritten 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 recog-nized engineering principles and is for general information only. While it is believed to beaccurate, th

4、is information should not be used or relied upon for any specific applicationwithout competent professional examination and verification of its accuracy, suitability andapplicability by a licensed professional engineer, designer or architect. The publication ofthe material contained herein is not in

5、tended as a representation or warranty on the part ofthe American Institute of Steel Construction or of any other person named herein, that thisinformation is suitable for any general or particular use or of freedom from infringement ofany patent or patents. Anyone making use of this information ass

6、umes all liability arisingfrom such use.Caution must be exercised when relying upon other specifications and codes developed byother bodies and incorporated by reference herein since such material may be modified oramended from time to time subsequent to the printing of this edition. The Institute b

7、ears noresponsibility for such material other than to refer to it and incorporate it by reference at thetime of the initial publication of this edition.Printed in the United States of America16.1iiiSpecification for Structural Steel Buildings, June 22, 2010AMERICAN INSTITUTE OF STEEL CONSTRUCTIONPRE

8、FACE(This Preface is not part of ANSI/AISC 360-10, Specification for Structural Steel Buildings,but is included for informational purposes only.)This Specification is based upon past successful usage, advances in the state of knowledge,and changes in design practice. The 2010 American Institute of S

9、teel ConstructionsSpecification for Structural Steel Buildings provides an integrated treatment of allowablestress design (ASD) and load and resistance factor design (LRFD), and replaces earlierSpecifications. As indicated in Chapter B of the Specification, designs can be made accord-ing to either A

10、SD or LRFD provisions.This Specification has been developed as a consensus document to provide a uniformpractice in the design of steel-framed buildings and other structures. The intention is to pro-vide design criteria for routine use and not to provide specific criteria for infrequentlyencountered

11、 problems, which occur in the full range of structural design.This Specification is the result of the consensus deliberations of a committee of structuralengineers with wide experience and high professional standing, representing a wide geo-graphical distribution throughout the United States. The co

12、mmittee includes approximatelyequal numbers of engineers in private practice and code agencies, engineers involved inresearch and teaching, and engineers employed by steel fabricating and producing compa-nies. The contributions and assistance of more than 50 additional professional volunteersworking

13、 in ten task committees are also hereby acknowledged.The Symbols, Glossary and Appendices to this Specification are an integral part of theSpecification. A non-mandatory Commentary has been prepared to provide background forthe Specification provisions and the user is encouraged to consult it. Addit

14、ionally, non-mandatory User Notes are interspersed throughout the Specification to provide concise andpractical guidance in the application of the provisions. The reader is cautioned that professional judgment must be exercised when data or rec-ommendations in the Specification are applied, as descr

15、ibed more fully in the disclaimernotice preceding this Preface. This Specification was approved by the Committee on Specifications:James M. Fisher, Chairman Louis F. GeschwindnerEdward E. Garvin, Vice Chairman Lawrence G. GriffisHansraj G. Ashar John L. GrossWilliam F. Baker Jerome F. HajjarJohn M.

16、Barsom Patrick M. HassettWilliam D. Bast Tony C. HazelReidar Bjorhovde Mark V. HollandRoger L. Brockenbrough Ronald J. JanowiakGregory G. Deierlein Richard C. KaehlerBruce R. Ellingwood Lawrence A. KloiberMichael D. Engelhardt Lawrence F. KruthShu-Jin Fang Jay W. LarsonSteven J. Fenves Roberto T. Le

17、onJohn W. Fisher James O. MalleyTheodore V. Galambos Sanjeev R. Malushte16.1iv PREFACESpecification for Structural Steel Buildings, June 22, 2010AMERICAN INSTITUTE OF STEEL CONSTRUCTIONDavid L. McKenzie Robert E. Shaw, Jr.Duane K. Miller Donald R. ShermanLarry S. Muir W. Lee ShoemakerThomas M. Murra

18、y William A. ThorntonR. Shankar Nair Raymond H. R. TideJack E. Petersen Chia-Ming UangDouglas A. Rees-Evans Donald W. WhiteThomas A. Sabol Cynthia J. Duncan, SecretaryThe Committee gratefully acknowledges the following task committee members and stafffor their contribution to this document:Allen Ada

19、ms Brent LeuFarid Alfawakhiri J. Walter LewisSusan Burmeister William LindleyBruce M. Butler Stanley LindseyCharles J. Carter LeRoy LutzHelen Chen Bonnie ManleyBernard Cvijanovic Peter MarshallRobert Disque Margaret MatthewCarol Drucker Curtis L. MayesW. Samuel Easterling William McGuireDuane Ellifr

20、itt Saul MednickMarshall T. Ferrell James MilkeChristopher M. Foley Heath MitchellSteven Freed Patrick NewmanFernando Frias Jeffrey PackerNancy Gavlin Frederick PalmerAmanuel Gebremeskel Dhiren PandaRodney D. Gibble Teoman PekozSubhash Goel Clarkson PinkhamArvind Goverdhan Thomas PoulosKurt Gustafso

21、n Christopher RaebelTom Harrington Thomas D. ReedTodd Helwig Clinton RexRichard Henige Benjamin SchaferStephen Herlache Thomas SchlaflySteve Herth Monica StockmannKeith Hjelmstad James SwansonNestor Iwankiw Steven J. ThomasWilliam P. Jacobs, V Emile TroupMatthew Johann Brian UyDaniel Kaufman Amit H.

22、 VarmaKeith Landwehr Sriramulu VinnakotaBarbara Lane Ralph VostersMichael Lederle Robert WeberRoberto Leon Michael A. WestAndres Lepage Ronald D. Ziemian16.1vSpecification for Structural Steel Buildings, June 22, 2010AMERICAN INSTITUTE OF STEEL CONSTRUCTIONTABLE OF CONTENTSSYMBOLS . . . . . . . . .

23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxviiGLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xliiiSPECIFICATIONA. GENERAL PROVISIONS . . . . . . . . . . . . . . . .

24、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A1. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11. Seismic Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22. Nuclea

25、r Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A2. Referenced Specifications, Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . 2A3. Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26、 . . . . . . . . . 61. Structural Steel Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61a. ASTM Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61b. Unidentified Steel . . . . . . . . . . . . . . . . . . . . . .

27、 . . . . . . . . . . . . . . . . . . . . . . 71c. Rolled Heavy Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71d. Built-Up Heavy Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72. Steel Castings and Forgings . . . . . .

28、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83. Bolts, Washers and Nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84. Anchor Rods and Threaded Rods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85. Consumables for Welding . . . . . .

29、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96. Headed Stud Anchors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9A4. Structural Design Drawings and Specifications . . . . . . . . . . . . . . . . . . . . . . . . 9B. DESIGN REQUIREMENTS . . . .

30、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10B1. General Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10B2. Loads and Load Combinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

31、0B3. Design Basis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101. Required Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102. Limit States . . . . . . . . . . . . . . . . . . . . . . . . . . .

32、 . . . . . . . . . . . . . . . . . . . . 113. Design for Strength Using Load and Resistance Factor Design(LRFD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114. Design for Strength Using Allowable Strength Design (ASD) . . . . . . . . 115. De

33、sign for Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126. Design of Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126a. Simple Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34、 . . . . . . 126b. Moment Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127. Moment Redistribution in Beams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128. Diaphragms and Collectors . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35、 . . . . . . . 139. Design for Serviceability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1310. Design for Ponding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1311. Design for Fatigue . . . . . . . . . . . . . . . . . . . . . . . .

36、. . . . . . . . . . . . . . . . . . 1312. Design for Fire Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1316.1vi TABLE OF CONTENTSSpecification for Structural Steel Buildings, June 22, 2010AMERICAN INSTITUTE OF STEEL CONSTRUCTION13. Design for Corrosion Effects .

37、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1414. Anchorage to Concrete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14B4. Member Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141. Classi

38、fication of Sections for Local Buckling . . . . . . . . . . . . . . . . . . . . . 141a. Unstiffened Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141b. Stiffened Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

39、2. Design Wall Thickness for HSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153. Gross and Net Area Determination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183a. Gross Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40、. . . 183b. Net Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18B5. Fabrication and Erection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19B6. Quality Control and Quality Assurance . . . . . . . . . . .

41、. . . . . . . . . . . . . . . . . . . 19B7. Evaluation of Existing Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19C. DESIGN FOR STABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20C1. General Stability Requirements . . .

42、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201. Direct Analysis Method of Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202. Alternative Methods of Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20C2. Calculation of Required Streng

43、ths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211. General Analysis Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212. Consideration of Initial Imperfections . . . . . . . . . . . . . . . . . . . . . . . . . . . 222a. Direct Modeling of Imperf

44、ections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222b. Use of Notional Loads to Represent Imperfections . . . . . . . . . . . . . . . . . 223. Adjustments to Stiffness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24C3. Calculation of Available Strength

45、s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25D. DESIGN OF MEMBERS FOR TENSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26D1. Slenderness Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26D2. Tensile Strength

46、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26D3. Effective Net Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27D4. Built-Up Members . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47、. . . . . . . . . . . . . . 27D5. Pin-Connected Members . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291. Tensile Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292. Dimensional Requirements . . . . . . . . . . .

48、. . . . . . . . . . . . . . . . . . . . . . . . 29D6. Eyebars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291. Tensile Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292. Dimensional R

49、equirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30E. DESIGN OF MEMBERS FOR COMPRESSION . . . . . . . . . . . . . . . . . . . . . . . . 31E1. General Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31E2. Effective Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33E3. Flexural Buckling of Members without Slender Elements . . . . . . . . . . . . . . . 33E4. Torsional and Flexural-Torsional Buckling of Members Without Slender Elements . . . . . . .