ANSI AISC 341-2016 Seismic Provisions for Structural Steel Buildings.pdf

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1、ANSI/AISC 341-16 An American National StandardSeismic Provisions for Structural Steel BuildingsJuly 12, 2016 Supersedes the Seismic Provisions for Structural Steel Buildings dated June 22, 2010, and all previous versionsApproved by the AISC Committee on Specifications AMERICAN INSTITUTE OF STEEL CON

2、STRUCTION 130 East Randolph Street, Suite 2000 Chicago, Illinois 60601-6204AISC_SP SPEC 341_01_FM.indd 1 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel ConstructionCopyright 2016byAmerican Institute of Steel ConstructionAll rights reserved.

3、 This book or any part thereof must not be reproduced 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

4、 to be accurate, this information should not be used 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 cont

5、ained herein is not intended as a representation or 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 u

6、se of this information assumes all liability arising from such use.Caution must be exercised when relying upon other standards 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

7、edition. The Institute 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 America9.1-iiAISC_SP SPEC 341_01_FM.indd 2 2/22/17 2:23 PMSeismic Provisions for Structura

8、l Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-iiiPREFACE(This Preface is not a part of ANSI/AISC 341-16, Seismic Provisions for Structural Steel Buildings, but is included for informational purposes only.)AISC 360, Specification for Structural Steel Buildings (ANSI/AISC

9、 360-16) is intended to cover common design criteria. Accordingly, it is not feasible for it to also cover all of the special and unique problems encountered within the full range of structural design prac-tice. This document, Seismic Provisions for Structural Steel Buildings (ANSI/AISC 341-16) (her

10、eafter referred to as the Provisions), is a separate consensus standard that addresses one such topic: the design and construction of structural steel and composite structural steel/reinforced concrete building systems specifically detailed for seismic resistance.The Symbols, Glossary, and Abbreviat

11、ions are all considered part of this document. Accompanying the Provisions is a nonmandatory Commentary with background infor-mation and nonmandatory user notes interspersed throughout to provide guidance on the specific application of the document.A number of significant technical modifications hav

12、e also been made since the 2010 edi-tion of the Provisions, including the following: Inclusion of ASTM A1085/A1085M material New provisions for diaphragms, chords and collectors, particularly horizontal truss diaphragms Inclusion of Ryin Table D1.1 for more accurate slenderness limits and to avoid u

13、se of lower Fyvalues for dual-certified material Requirement that simultaneous inelasticity be considered for columns partici-pating in two or more seismic force resisting systems Clearer provisions on required strength of column splices and bases, including a reduced shear for column bases, returni

14、ng the requirements to closer to those in the 2005 Provisions Allowance for non-full strength connections in special moment frames Option to use partial-joint-penetration groove welds in moment-frame column splices Revised and clarified continuity plate, doubler plate, and associated welding provisi

15、ons Multi-tiered braced frame provisions for ordinary concentrically braced frames, special concentrically braced frames, and buckling-restrained braced frames Numerous revisions to special plate shear wall requirements New application of composite plate shear wall system using concrete-filled steel

16、 panel walls Power-actuated fasteners permitted in the protected zone up to a certain diameter New criteria to prequalify connections for composite moment framesAISC_SP SPEC 341_01_FM.indd 3 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Co

17、nstructionThe AISC Committee on Specifications, Task Committee 9Seismic Design is responsi-ble for the ongoing development of these Provisions. The AISC Committee on Specifications gives final approval of the document through an ANSI-accredited balloting process, and has enhanced these Provisions th

18、rough careful scrutiny, discussion and suggestions for improvement. The contributions of these two groups, comprising well more than 80 struc-tural engineers with experience from throughout the structural steel industry, is gratefully acknowledged. AISC further acknowledges the significant contribut

19、ions of the Building Seismic Safety Council (BSSC), the Federal Emergency Management Agency (FEMA), the National Science Foundation (NSF), and the Structural Engineers Association of California (SEAOC).This specification was approved by the Committee on Specifications:R. Shankar Nair, ChairmanPatric

20、k J. Fortney, Vice-ChairmanAllen AdamsTaha D. Al-ShawafWilliam F. BakerJohn M. Barsom, EmeritusReidar BjorhovdeRoger L. Brockenbrough, EmeritusCharles J. CarterGregory G. DeierleinCarol J. DruckerW. Samuel EasterlingDuane S. Ellifritt, EmeritusBruce R. Ellingwood, EmeritusMichael D. EngelhardtShu-Ji

21、n Fang, EmeritusSteven J. Fenves, EmeritusJames M. FisherJohn W. Fisher, EmeritusTheodore V. Galambos, EmeritusLouis F. GeschwindnerRamon E. GilsanzLawrence G. GriffisJohn L. Gross, IIIJerome F. HajjarPatrick M. HassettTony C. HazelRichard A. Henige, Jr.Mark V. HollandJohn D. HooperNestor R. Iwankiw

22、William P. Jacobs, VRonald J. JanowiakLawrence A. KloiberLawrence F. KruthJay W. LarsonRoberto T. LeonJames O. MalleyDuane K. MillerLarry S. MuirThomas M. MurrayDouglas A. Rees-EvansRafael SabelliThomas A. SabolBenjamin W. SchaferRobert E. Shaw, Jr.Donald R. ShermanW. Lee ShoemakerWilliam A. Thornto

23、nRaymond H.R. Tide, EmeritusChia-Ming UangAmit H. VarmaDonald W. WhiteRonald D. ZiemianCynthia J. Duncan, SecretaryThe Committee honors former members, David L. McKenzie, Richard C. Kaehler and Keith Landwehr, and advisory member, Fernando Frias, who passed away during this cycle. PREFACE9.1-ivAISC_

24、SP SPEC 341_01_FM.indd 4 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-vThe Committee gratefully acknowledges the following task committee (TC 9Seismic Design) for their development of this document.James O. Malley, Chairma

25、nC. Mark Saunders, Vice ChairmanMichel BruneauGregory G. DeierleinRichard M. DrakeMichael D. EngelhardtTimothy P. FraserSubhash C. GoelJerome F. HajjarRonald O. HamburgerJames R. HarrisPatrick M. HassettJohn D. HooperLawrence KloiberRoberto T. LeonBonnie E. ManleyPatrick S. McManusJohn A. RolfesRafa

26、el SabelliThomas A. SabolBahram M. ShahroozRobert E. Shaw, Jr.W. Lee ShoemakerKurt D. SwenssonRobert TremblayJamie WinansLeigh Arber, SecretaryPREFACEAISC_SP SPEC 341_01_FM.indd 5 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel ConstructionA

27、ISC_SP SPEC 341_01_FM.indd 6 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-viiTABLE OF CONTENTSSYMBOLS xxxiGLOSSARY .xxxviiiABBREVIATIONS xlvPROVISIONSA. GENERAL REQUIREMENTS . 1A1. Scope . 1A2. Referenced Specifications, C

28、odes and Standards . 2A3. Materials . 31. Material Specifications . 32. Expected Material Strength 43. Heavy Sections . 54. Consumables for Welding . 64a. Seismic Force-Resisting System Welds 64b. Demand Critical Welds . 65. Concrete and Steel Reinforcement 7A4. Structural Design Drawings and Specif

29、ications . 71. General . 72. Steel Construction . 83. Composite Construction 8B. GENERAL DESIGN REQUIREMENTS . 9B1. General Seismic Design Requirements . 9B2. Loads and Load Combinations 9B3. Design Basis . 101. Required Strength 102. Available Strength 10B4. System Type . 10B5. Diaphragms, Chords a

30、nd Collectors 101. General 102. Truss Diaphragms 10C. ANALYSIS . 12C1. General Requirements . 12C2. Additional Requirements . 12C3. Nonlinear Analysis 12AISC_SP SPEC 341_01_FM.indd 7 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Constructi

31、on9.1-viii TABLE OF CONTENTSD. GENERAL MEMBER AND CONNECTION DESIGN REQUIREMENTS 13D1. Member Requirements . 131. Classification of Sections for Ductility 131a. Section Requirements for Ductile Members 131b. Width-to-Thickness Limitations of Steel and Composite Sections . 132. Stability Bracing of B

32、eams . 172a. Moderately Ductile Members . 172b. Highly Ductile Members . 182c. Special Bracing at Plastic Hinge Locations 183. Protected Zones 204. Columns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204a. Required Strength 204b. Encased Composite C

33、olumns . 204c. Filled Composite Columns . 235. Composite Slab Diaphragms 235a. Load Transfer . 235b. Nominal Shear Strength . 236. Built-Up Structural Steel Members . 24D2. Connections . 241. General 242. Bolted Joints 243. Welded Joints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34、 . . . . . . . . . . . . 254. Continuity Plates and Stiffeners . 255. Column Splices 265a. Location of Splices . 265b. Required Strength 265c. Required Shear Strength . 275d. Structural Steel Splice Configurations 275e. Splices in Encased Composite Columns . 276. Column Bases . 276a. Required Axial

35、Strength . 286b. Required Shear Strength . 286c. Required Flexural Strength . 297. Composite Connections 308. Steel Anchors 31D3. Deformation Compatibility of Non-SFRS Members and Connections 31D4. H-Piles . 321. Design Requirements . 322. Battered H-Piles . 323. Tension 324. Protected Zone . 32AISC

36、_SP SPEC 341_01_FM.indd 8 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-ixTABLE OF CONTENTSE. MOMENT-FRAME SYSTEMS 33E1. Ordinary Moment Frames (OMF) 331. Scope 332. Basis of Design 333. Analysis 334. System Requirements .

37、335. Members . 335a. Basic Requirements . 335b. Protected Zones 346. Connections . 346a. Demand Critical Welds 346b. FR Moment Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346c. PR Moment Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38、 . . 35E2. Intermediate Moment Frames (IMF) 361. Scope 362. Basis of Design 363. Analysis 364. System Requirements . 364a. Stability Bracing of Beams . 365. Members . 365a. Basic Requirements . 365b. Beam Flanges . 375c. Protected Zones 376. Connections . 376a. Demand Critical Welds 376b. Beam-to-Co

39、lumn Connection Requirements . 386c. Conformance Demonstration . 386d. Required Shear Strength . 386e. Panel Zone 396f. Continuity Plates . 396g. Column Splices 39E3. Special Moment Frames (SMF) 391. Scope 392. Basis of Design 393. Analysis 404. System Requirements . 404a. Moment Ratio . 404b. Stabi

40、lity Bracing of Beams . 414c. Stability Bracing at Beam-to-Column Connections 425. Members . 435a. Basic Requirements . 43AISC_SP SPEC 341_01_FM.indd 9 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-x5b. Beam Flanges . 435c.

41、 Protected Zones 436. Connections . 446a. Demand Critical Welds 446b. Beam-to-Column Connections 446c. Conformance Demonstration . 456d. Required Shear Strength . 456e. Panel Zone 466f. Continuity Plates . 486g. Column Splices 50E4. Special Truss Moment Frames (STMF) 521. Scope 522. Basis of Design

42、523. Analysis 523a. Special Segment . 523b. Nonspecial Segment 524. System Requirements . 534a. Special Segment . 534b. Stability Bracing of Trusses 534c. Stability Bracing of Truss-to-Column Connections 534d. Stiffness of Stability Bracing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

43、. . 545. Members . 545a. Basic Requirements . 545b. Special Segment Members . 545c. Expected Vertical Shear Strength of Special Segment 545d. Width-to-Thickness Limitations . 555e. Built-Up Chord Members 555f. Protected Zones 556. Connections . 556a. Demand Critical Welds 556b. Connections of Diagon

44、al Web Members in the Special Segment 556c. Column Splices 55E5. Ordinary Cantilever Column Systems (OCCS) 561. Scope 562. Basis of Design 563. Analysis 564. System Requirements . 564a. Columns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 564b. Stabi

45、lity Bracing of Columns . 565. Members . 565a. Basic Requirements . 565b. Column Flanges 56TABLE OF CONTENTSAISC_SP SPEC 341_01_FM.indd 10 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-xi5c. Protected Zones 566. Connections

46、 . 566a. Demand Critical Welds 566b. Column Bases . 56E6. Special Cantilever Column Systems (SCCS) 571. Scope 572. Basis of Design 573. Analysis 574. System Requirements . 574a. Columns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574b. Stability Bra

47、cing of Columns . 575. Members . 575a. Basic Requirements . 575b. Column Flanges 575c. Protected Zones 576. Connections . 586a. Demand Critical Welds 586b. Column Bases . 58F. BRACED-FRAME AND SHEAR-WALL SYSTEMS 59F1. Ordinary Concentrically Braced Frames (OCBF) 591. Scope 592. Basis of Design 593.

48、Analysis 594. System Requirements . 594a. V-Braced and Inverted V-Braced Frames 594b. K-Braced Frames . 604c. Multi-Tiered Braced Frames 605. Members . 615a. Basic Requirements . 615b. Slenderness . 615c. Beams . 626. Connections . 626a. Brace Connections 627. Ordinary Concentrically Braced Frames a

49、bove Seismic Isolation Systems 627a. System Requirements . 627b. Members . 62F2. Special Concentrically Braced Frames (SCBF) 621. Scope 622. Basis of Design 633. Analysis 634. System Requirements . 64TABLE OF CONTENTSAISC_SP SPEC 341_01_FM.indd 11 2/22/17 2:23 PMSeismic Provisions for Structural Steel Buildings, July 12, 2016American Institute of Steel Construction9.1-xii4a. Lateral Force Distribution 644b. V- and Inverted V-Braced Frames 644c. K-Braced Frames . 654d. Tension-Only Frames . 654e. Multi-Tiered Braced Frames 655. Members . 665a.