AISC Prequalified 2 20 06 4 17 PM Page i ANSI AISC 358 05 An American National Standard Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications December 13 2005 Approved by the AISC Connection Prequalification Review Panel and issued by the AISC Board of Directors AMERICAN INSTITUTE OF STEEL CONSTRUCTION INC One East Wacker Drive Suite 700 Chicago Illinois 60601 1802 AISC Prequalified 2 20 06 4 17 PM Page ii 6 2 ii Copyright 2006 by American Institute of Steel Construction Inc All rights reserved 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 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 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 contained 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 use of this information assumes all liability arising 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 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 America Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications AMERICAN INSTITUTE OF STEEL CONSTRUCTION INC AISC Prequalified 2 20 06 4 17 PM Page iii 6 2 iii CONNECTION PREQUALIFICATION REVIEW PANEL Committee Members Ronald O Hamburger Chairman Kevin Moore Vice Chairman Christopher M Hewitt Secretary Fred Breismeister Nathan Charlton Theodore Droessler Michael Engelhardt Linda Hanagan Patrick Hassett Keith Landwehr Corresponding Members Cynthia Duncan Lanny Flynn Roberto Leon James Malley Hank Martin Robert Lyons Brett Manning Michael Mayes Duane Miller Thomas M Murray Lawrence Novak Thomas Sabol Robert Shaw Christos Tokas Behnam Ben Yousefi Carol Pivonka Thomas Schlafly Emmett Sumner Chia Ming Uang Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications AMERICAN INSTITUTE OF STEEL CONSTRUCTION INC AISC Prequalified 2 20 06 4 17 PM Page iv 6 2 iv Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications AMERICAN INSTITUTE OF STEEL CONSTRUCTION INC AISC Prequalified 2 20 06 4 17 PM Page v CHAPTER 2 DESIGN REQUIREMENTS 6 2 v TABLE OF CONTENTS SYMBOLS 6 2 1 GLOSSARY 6 2 3 CHAPTER 1 GENERAL 6 2 4 1 1 Scope 6 2 4 1 2 References 6 2 4 1 3 General 6 2 4 CHAPTER 2 DESIGN REQUIREMENTS 6 2 5 2 1 Special and Intermediate Moment Frame Connection Types 6 2 5 2 2 Connection Stiffness 6 2 5 2 3 Members 6 2 5 2 3 1 Rolled Wide Flange Members 6 2 5 2 3 2 Built up Members 6 2 5 2 3 2a Beams 6 2 6 2 3 2b Columns 1 I Shaped Welded Columns 6 2 6 2 Boxed Wide Flange Columns 6 2 6 3 Built up Box Columns 6 2 6 4 Flanged Cruciform Columns 6 2 7 2 4 Connection Design Parameters 6 2 7 2 4 1 Load Combinations and Resistance Factors 6 2 7 2 4 2 Plastic Hinge Location 6 2 7 2 4 3 Probable Maximum Moment at Plastic Hinge 6 2 8 2 4 4 Beam Flange Continuity Plates 6 2 8 2 4 4a Continuity Plate Thickness 6 2 9 2 4 4b Continuity Plate to Column Attachment 6 2 9 2 5 Panel Zones 6 2 10 2 6 Protected Zone 6 2 10 CHAPTER 3 WELDING REQUIREMENTS 6 2 11 3 1 Filler Metals 6 2 11 3 2 Welding Procedures 6 2 11 Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications AMERICAN INSTITUTE OF STEEL CONSTRUCTION INC AISC Prequalified 6 2 vi 2 20 06 4 17 PM Page vi TABLE OF CONTENTS 3 3 Backing at Beam to Column and Continuity Plate to Column Joints 6 2 11 3 3 1 Steel Backing at Continuity Plates 6 2 11 3 3 2 Steel Backing at Beam Bottom Flange 6 2 11 3 3 3 Steel Backing at Beam Top Flange 6 2 11 3 3 4 Prohibited Welds at Steel Backing 6 2 11 3 3 5 Non Fusible Backing at Beam Flange to Column Joints 6 2 12 3 4 Details and Treatment of Weld Tabs 6 2 12 3 5 Tack Welds 6 2 12 3 6 Continuity Plates 6 2 13 3 7 Quality Control and Quality Assurance 6 2 13 CHAPTER 4 BOLTING REQUIREMENTS 6 2 14 4 1 Fastener Assemblies 6 2 14 4 2 Installation Requirements 6 2 14 4 3 Quality Control and Quality Assurance 6 2 14 CHAPTER 5 REDUCED BEAM SECTION RBS MOMENT CONNECTION 6 2 15 5 1 General 6 2 15 5 2 Systems 6 2 15 5 3 Prequalification Limits 6 2 15 5 3 1 Beam Limitations 6 2 15 5 3 2 Column Limitations 6 2 17 5 4 Beam Column Relationship Limitations 6 2 17 5 5 Beam Flange to Column Flange Weld Limitations 6 2 18 5 6 Beam Web to Column Connection Limitations 6 2 18 5 7 Fabrication of Flange Cuts 6 2 19 5 8 Design Procedure 6 2 19 CHAPTER 6 BOLTED UNSTIFFENED AND STIFFENED EXTENDED END PLATE MOMENT CONNECTIONS 6 2 23 6 1 General 6 2 23 6 2 Systems 6 2 23 6 3 Prequalification Limits 6 2 24 6 4 Beam Limitations 6 2 24 6 5 Column Limitations 6 2 25 6 6 Beam Column Relationship Limitations 6 2 26 Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications AMERICAN INSTITUTE OF STEEL CONSTRUCTION INC AISC Prequalified 2 20 06 TABLE OF CONTENTS 4 17 PM Page vii 6 2 vii 6 7 Continuity Plates 6 2 26 6 8 Bolts 6 2 26 6 9 Connection Detailing 6 2 27 6 9 1 Gage 6 2 30 6 9 2 Pitch and Row Spacing 6 2 30 6 9 3 End Plate Width 6 2 30 6 9 4 End Plate Stiffener 6 2 30 6 9 5 Finger Shims 6 2 32 6 9 6 Composite Slab Detailing for IMF 6 2 32 6 9 7 Welding Details 6 2 33 6 10 Design Procedure 6 2 33 COMMENTARY 6 2 47 C1 GENERAL 6 2 48 C1 1 Scope 6 2 48 C1 2 References 6 …
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