Prequalified Connections For Special And Intermediate .

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Prequalified Seismic:Feb. 4, 20145/1/142:05 PMPage i9.2–iANSI/AISC 358-10ANSI/AISC 358s1-11ANSI/AISC 358s2-14An American National StandardPrequalified Connections forSpecial and IntermediateSteel Moment Frames forSeismic ApplicationsIncluding Supplement No. 1 and Supplement No. 2January 5, 2011includingSupplement No. 1 — June 17, 2011Supplement No. 2 — February 4, 2014Approved by the AISC Connection Prequalification Review Paneland issued by the AISC Board of DirectorsAMERICAN INSTITUTE OF STEEL CONSTRUCTIONOne East Wacker Drive, Suite 700Chicago, Illinois 60601-1802

Prequalified Seismic:Feb. 4, 20145/1/142:05 PMPage ii9.2–iiAISC 2014byAmerican Institute of Steel ConstructionAll rights reserved. This book or any part thereofmust not be reproduced in any form without thewritten permission of the publisher.The AISC logo is a registered trademark of AISC and is used under license.The information presented in this publication has been prepared in accordance with recognized engineering principles and is for general information only. While it is believed to beaccurate, this 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 intended 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 assumes 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 bears 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 AmericaPrequalified Connections for Special and Intermediate Steel Moment Framesfor Seismic Applications, 2010, incl. Supplement No. 1 (2011) and Supplement No. 2 (2014)AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Prequalified Seismic:Feb. 4, 20145/1/142:05 PMPage iii9.2–iiiPREFACE(This Preface is not part of ANSI/AISC 358-10, Prequalified Connections for Special andIntermediate Steel Moment Frames for Seismic Applications, or its supplements, but isincluded for informational purposes only.)ANSI/AISC 358-10, Prequalified Connections for Special and Intermediate Steel MomentFrames for Seismic Applications, was developed using a consensus process in concert withthe Specification for Structural Steel Buildings (ANSI/AISC 360-10) and Seismic Provisionsfor Structural Steel Buildings (ANSI/AISC 341-10). ANSI/AISC 358-10 is incorporated byreference in the Seismic Provisions.For ease of use, this printing integrates Supplement No. 1. (ANSI/AISC 358s1-11) andSupplement No. 2 (ANSI/AISC 358s2-14). Supplement No. 1 consists of the material inChapter 10. Supplement No. 2 consists of minor updates to Chapters 2 and 10 along withthe material in Chapter 11. Minor editorial revisions are incorporated in other chapters.Symbols and glossary terms from the supplements are integrated into the Symbols andGlossary section.A non-mandatory Commentary has been prepared to provide background for the provisions of the Standard and the user is encouraged to consult it. Additionally, non-mandatoryUser Notes are interspersed throughout the Standard to provide concise and practicalguidance in the application of the provisions.The reader is cautioned that professional judgment must be exercised when data orrecommendations in this Standard are applied, as described more fully in the disclaimernotice preceding the Preface.These standards were approved by the following current and former members of theConnection Prequalification Review Panel:Ronald O. Hamburger, ChairmanScott F. Armbrust, Vice-ChairmanJohn AbruzzoRichard Apple (former member)Joel A. ChandlerMichael L. CochranTheodore L. DroesslerMichael D. EngelhardtGary GlennRobert HazletonW. Steven Hofmeister (former member)Gregory H. LynchBrett R. ManningKevin MooreThomas M. MurrayCharles W. RoederPaul A. RouisThomas A. SabolRobert E. Shaw, Jr.James A. SwansonChia-Ming UangBehnam YousefiKeith A. Grubb, SecretaryPrequalified Connections for Special and Intermediate Steel Moment Framesfor Seismic Applications, 2010, incl. Supplement No. 1 (2011) and Supplement No. 2 (2014)AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Prequalified Seismic:Feb. 4, 20149.2–iv5/1/142:05 PMPage ivPREFACEThe CPRP gratefully acknowledges the following individuals for their contributions tothese documents:Scott M. AdanLeigh ArberDavid BleimanHelen ChenCharles J. CarterCynthia J. DuncanHenry GallartWillian C. GibbLeonard M. JosephJesse KarnsRaymond KitasoeRoberto T. LeonJames O. MalleyDuane K. MillerSteven E. PryorGian Andrea RassatiJames M. RiclesC. Mark SaundersRobert SimmonsPrequalified Connections for Special and Intermediate Steel Moment Framesfor Seismic Applications, 2010, incl. Supplement No. 1 (2011) and Supplement No. 2 (2014)AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Prequalified Seismic:Feb. 4, 20145/1/142:05 PMPage v9.2–vTABLE OF CONTENTSSYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–xiiiGLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–xixSTANDARDCHAPTER 1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–11.1. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–11.2. References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–11.3. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–2CHAPTER 2. DESIGN REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–32.1. Special and Intermediate Moment Frame Connection Types . . . . . . . . . . . 9.2–32.2. Connection Stiffness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–32.3. Members . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–31. Rolled Wide-Flange Members . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–32. Built-up Members . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–32a. Built-up Beams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–42b. Built-up Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–43. Hollow Structural Sections (HSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–52.4. Connection Design Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–61. Resistance Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–62. Plastic Hinge Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–63. Probable Maximum Moment at Plastic Hinge . . . . . . . . . . . . . . . . . . 9.2–64. Continuity Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–72.5. Panel Zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–72.6. Protected Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–7CHAPTER 3. WELDING REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–83.1. Filler Metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–83.2. Welding Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–83.3. Backing at Beam-to-Column and ContinuityPlate-to-Column Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–81. Steel Backing at Continuity Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–82. Steel Backing at Beam Bottom Flange . . . . . . . . . . . . . . . . . . . . . . . . 9.2–83. Steel Backing at Beam Top Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–84. Prohibited Welds at Steel Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–95. Nonfusible Backing at Beam Flange-to-Column Joints . . . . . . . . . . . 9.2–93.4. Details and Treatment of Weld Tabs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–93.5. Tack Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–93.6. Continuity Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–103.7. Quality Control and Quality Assurance . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–10Prequalified Connections for Special and Intermediate Steel Moment Framesfor Seismic Applications, 2010, incl. Supplement No. 1 (2011) and Supplement No. 2 (2014)AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Prequalified Seismic:Feb. 4, 20149.2–vi5/1/142:05 PMPage viTABLE OF CONTENTSCHAPTER 4. BOLTING REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–114.1. Fastener Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–114.2. Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–114.3. Quality Control and Quality Assurance . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–11CHAPTER 5. REDUCED BEAM SECTION (RBS)MOMENT CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–125.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–125.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–125.3. Prequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–121. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–122. Column Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–135.4. Column-Beam Relationship Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–145.5. Beam Flange-to-Column Flange Weld Limitations . . . . . . . . . . . . . . . . . 9.2–145.6. Beam Web-to-Column Flange Connection Limitations . . . . . . . . . . . . . . 9.2–145.7. Fabrication of Flange Cuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–155.8. Design Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–16CHAPTER 6. BOLTED UNSTIFFENED AND STIFFENED EXTENDEDEND-PLATE MOMENT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–206.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–206.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–206.3. Prequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–216.4. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–216.5. Column Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–226.6. Column-Beam Relationship Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–236.7. Continuity Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–236.8. Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–236.9. Connection Detailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–231. Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–232. Pitch and Row Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–233. End-Plate Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–254. End-Plate Stiffener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–255. Finger Shims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–266. Composite Slab Detailing for IMF . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–267. Welding Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–276.10. Design Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–281. End-Plate and Bolt Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–282. Column-Side Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–34CHAPTER 7. BOLTED FLANGE PLATE (BFP)MOMENT CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–407.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–407.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–40Prequalified Connections for Special and Intermediate Steel Moment Framesfor Seismic Applications, 2010, incl. Supplement No. 1 (2011) and Supplement No. 2 (2014)AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Prequalified Seismic:Feb. 4, 20145/1/142:05 PMPage viiTABLE OF CONTENTS7.3.7.4.7.5.7.6.9.2–viiPrequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–411. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–412. Column Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–41Column-Beam Relationship Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–42Connection Detailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–421. Plate Material Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–422. Beam Flange Plate Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–423. Single-Plate Shear Connection Welds . . . . . . . . . . . . . . . . . . . . . . . . 9.2–424. Bolt Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–425. Flange Plate Shims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–43Design Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–43CHAPTER 8. WELDED UNREINFORCED FLANGE-WELDED WEB(WUF-W) MOMENT CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–478.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–478.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–478.3. Prequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–471. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–472. Column Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–488.4. Column-Beam Relationship Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–498.5. Beam Flange-to-Column Flange Welds . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–498.6. Beam Web-to-Column Connection Limitations . . . . . . . . . . . . . . . . . . . . 9.2–498.7. Design Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–51CHAPTER 9. KAISER BOLTED BRACKET (KBB)MOMENT CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–539.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–539.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–549.3. Prequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–541. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–542. Column Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–553. Bracket Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–569.4. Column-Beam Relationship Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–569.5. Bracket-to-Column Flange Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–569.6. Bracket-to-Beam Flange Connection Limitations . . . . . . . . . . . . . . . . . . 9.2–579.7. Beam Web-to-Column Connection Limitations . . . . . . . . . . . . . . . . . . . . 9.2–589.8. Connection Detailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–589.9. Design Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–59CHAPTER 10. CONXTECH CONXL MOMENT CONNECTION . . . . . . . . . 9.2–6510.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–6510.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–6810.3. Prequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–691. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–69Prequalified Connections for Special and Intermediate Steel Moment Framesfor Seismic Applications, 2010, incl. Supplement No. 1 (2011) and Supplement No. 2 (2014)AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Prequalified Seismic:Feb. 4, 20149.2–viii5/1/142:05 PMPage viiiTABLE OF CONTENTS10.4.10.5.10.6.10.7.10.8.10.9.2. Column Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–693. Collar Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–70Collar Connection Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–70Beam Web-to-Collar Connection Limitations . . . . . . . . . . . . . . . . . . . . . 9.2–72Beam-Flange-to-Collar Flange Welding Limitations . . . . . . . . . . . . . . . . 9.2–72Column-Beam Relationship Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–73Design Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–73Part Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–78CHAPTER 11. SIDEPLATE MOMENT CONNECTION . . . . . . . . . . . . . . . . . 9.2–8811.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–8811.2. Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–9411.3. Prequalification Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–941. Beam Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2–942. Column Limitations . . . . . . . . . .

Intermediate Steel Moment Frames for Seismic Applications, or its supplements, but is included for informational purposes only.) ANSI/AISC 358-10, Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications, was developed using a consensus process in concert with

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