AISC 303-2010 Code of Standard Practice for Steel Buildings and Bridges.pdf

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1、 AISC 303-10 Code of Standard Practice for Steel Buildings and Bridges April 14, 2010 Supersedes the March 18, 2005 AISC Code of Standard Practice for Steel Buildings and Bridges and all previous versions. Prepared by the American Institute of Steel Construction under the direction of the AISC Commi

2、ttee on the Code of Standard Practice. AMERICAN INSTITUTE OF STEEL CONSTRUCTION One East Wacker Drive, Suite 700, Chicago, Illinois 60601 Code of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CONSTRUCTION 16.3-ii AISC 2010 by American Institute of Stee

3、l Construction 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. The information presented in this publication has been prepared in accordance with recognized enginee

4、ring 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 professi

5、onal 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

6、 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

7、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 C

8、ode of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CONSTRUCTION 16.3-iii PREFACE As in any industry, trade practices have developed among those that are involved in the design, purchase, fabrication and erection of structural steel. This Code provide

9、s a useful framework for a common understanding of the acceptable standards when contracting for structural steel. As such, it is useful for owners, architects, engineers, general contractors, construction managers, fabricators, steel detailers, erectors and others that are associated with construct

10、ion in structural steel. Unless specific provisions to the contrary are contained in the contract documents, the existing trade practices that are contained herein are considered to be the standard custom and usage of the industry and are thereby incorporated into the relationships between the parti

11、es to a contract. The Symbols and Glossary are an integral part of this Code. In many sections of this Code, a non-mandatory Commentary has been prepared to provide background and further explanation for the corresponding Code provisions. The user is encouraged to consult it. Since the first edition

12、 of this Code was published in 1924, AISC has continuously surveyed the structural steel design community and construction industry to determine standard trade practices. Since then, this Code has been periodically updated to reflect new and changing technology and industry practices. The 2000 editi

13、on was the fifth complete revision of this Code since it was first published. Like the 2005 edition, the 2010 edition is not a complete revision but does add important changes and updates. It is the result of the deliberations of a fair and balanced Committee, the membership of which included struct

14、ural engineers, architects, a code official, a general contractor, fabricators, a steel detailer, erectors, inspectors, and an attorney. The following changes have been made in this revision: The scope in Section 1.1 has been revised to cover buildings and other structures in a manner that is consis

15、tent with how buildings and other structures are treated in AISC 360 (the AISC Specification for Structural Steel Buildings). A similar and corresponding revision has been made in Section 1.4. The list of referenced documents in Section 1.2 has been editorially updated. Section 1.9 has been added to

16、 emphasize that not all tolerances are explicitly covered in the Code, and that tolerances not covered are not to be assumed as zero. Clarification has been added in Section 2 that base plates and bearing plates are considered structural steel if they are attached to the structural frame, but not if

17、 they are loose items that do not attach to the structural steel frame. Editorial improvements have been made in the Commentary to Section 3.1 to improve upon the list of items that should be provided in the contract documents, as well as to link column differential shortening and anticipated deflec

18、tions to information that has been added in the Commentary to Section 7.13. Explicit requirements have been added in Section 3.1.2 as “option 3” for when connection design work is delegated by the Structural Engineer of Record (SER) to be performed by another engineer. Provisions covering connection

19、 design by the Code of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CONSTRUCTION 16.3-iv SER (option 1) and selection or completion of basic tabular connections by a steel detailer (option 2) also have been revised for consistency with and distinction

20、 from option 3. Additionally, the defined term substantiating connection information has been added to the Glossary, and revisions also have been made in Section 4 to correspond with the addition of option 3 in Section 3.1.2. Information has been added to the Commentary in Section 4.1 to summarize t

21、he importance and benefits of holding a pre-detailing conference to open lines of communication and develop a common understanding about the project. Section 4.7 has been added to address requirements for erection drawings. Section 6.4.3 has been modified to better address incidental camber in truss

22、es. Information has been added in the Commentary to Section 7.10.1 to better describe the provisions that relate to special erection conditions or other considerations that are required by the design concept, as well as to highlight special considerations in the erection of cantilevered members. The

23、 intent in Section 7.13.1.2(d) has been clarified in the text as well as with the relocation of supporting Commentary. The intent in Section 10.2.5 has been editorially clarified for groove welds in butt joints and outside corner joints. The document has been editorially revised for consistency with

24、 current terms and other related documents. The Committee thanks Glenn Bishop, the Council of American Structural Engineers (CASE), and its Guidelines Committee for their assistance and partnership in the development of Section 3.1.2 in this edition of the Code. Also, the Committee thanks Rex I. Lew

25、is and Homer R. Peterson, II for their contributions as members of the Committee for part of this cycle of development, and honors Committee member Leonard R. Middleton, who passed away during this cycle. By the AISC Committee on the Code of Standard Practice, James A. Stori, Chairman Barry L. Barge

26、r, Vice Chairman William A. Andrews Paul M. Brosnahan Richard B. Cook William B. Cooper William R. Davidson Theodore L. Droessler Donald T. Engler Lawrence G. Griffis D. Kirk Harman Viji Kuruvilla Keith G. Landwehr James L. Larson H. Scott Metzger Donald G. Moore David B. Ratterman David I. Ruby Rex

27、 D. Smith Thomas S. Tarpy, Jr. James G. Thompson Michael J. Tylk Michael A. West Charles J. Carter, Secretary Amanuel Gebremeskel, Asst. Secretary Code of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CONSTRUCTION 16.3-v TABLE OF CONTENTS Glossary vii

28、Section 1. General Provisions 1 1.1. Scope . 1 1.2. Referenced Specifications, Codes and Standards . 1 1.3. Units 2 1.4. Design Criteria 3 1.5. Responsibility for Design 3 1.6. Patents and Copyrights 3 1.7. Existing Structures 3 1.8. Means, Methods and Safety of Erection . 4 1.9. Tolerances . 4 Sect

29、ion 2. Classification of Materials . 5 2.1. Definition of Structural Steel 5 2.2. Other Steel, Iron or Metal Items . 6 Section 3. Design Drawings and Specifications . 9 3.1. Structural Design Drawings and Specifications 9 3.2. Architectural, Electrical and Mechanical Design Drawings and Specificatio

30、ns . 15 3.3. Discrepancies 15 3.4. Legibility of Design Drawings 16 3.5. Revisions to the Design Drawings and Specifications 16 3.6. Fast-Track Project Delivery 17 Section 4. Shop and Erection Drawings . 18 4.1. Owner Responsibility 18 4.2. Fabricator Responsibility 19 4.3. Use of CAD Files and/or C

31、opies of Design Drawings 20 4.4. Approval . 21 4.5. Shop and/or Erection Drawings Not Furnished by the Fabricator 23 4.6. The RFI Process 23 4.7. Erection Drawings . 24 Section 5. Materials 25 5.1. Mill Materials 25 5.2. Stock Materials . 26 Section 6. Shop Fabrication and Delivery 28 6.1. Identific

32、ation of Material 28 6.2. Preparation of Material . 29 6.3. Fitting and Fastening . 29 6.4. Fabrication Tolerances 30 6.5. Shop Cleaning and Painting 33 6.6. Marking and Shipping of Materials 35 Code of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CON

33、STRUCTION 16.3-vi 6.7. Delivery of Materials 35 Section 7. Erection 37 7.1. Method of Erection . 37 7.2. Job-Site Conditions . 37 7.3. Foundations, Piers and Abutments 37 7.4. Lines and Bench Marks . 38 7.5. Installation of Anchor Rods, Foundation Bolts and Other Embedded Items 38 7.6. Installation

34、of Bearing Devices . 39 7.7. Grouting 40 7.8. Field Connection Material . 40 7.9. Loose Material 41 7.10. Temporary Support of Structural Steel Frames . 41 7.11. Safety Protection . 44 7.12. Structural Steel Frame Tolerances 45 7.13. Erection Tolerances . 46 7.14. Correction of Errors 56 7.15. Cuts,

35、 Alterations and Holes for Other Trades . 56 7.16. Handling and Storage 56 7.17. Field Painting 57 7.18. Final Cleaning Up . 57 Section 8. Quality Control . 58 8.1. General 58 8.2. Inspection of Mill Material 59 8.3. Non-Destructive Testing . 59 8.4. Surface Preparation and Shop Painting Inspection

36、. 59 8.5. Independent Inspection . 59 Section 9. Contracts . 61 9.1. Types of Contracts 61 9.2. Calculation of Weights 61 9.3. Revisions to the Contract Documents . 62 9.4. Contract Price Adjustment 63 9.5. Scheduling . 63 9.6. Terms of Payment . 64 Section 10. Architecturally Exposed Structural Ste

37、el . 65 10.1. General Requirements . 65 10.2. Fabrication 65 10.3. Delivery of Materials 66 10.4. Erection . 67 Appendix A. Digital Building Product Models . 68 Code of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CONSTRUCTION 16.3-vii GLOSSARY The fo

38、llowing abbreviations and terms are used in this Code. Where used, terms are italicised to alert the user that the term is defined in this Glossary. AASHTO. American Association of State Highway and Transportation Officials. Adjustable Items. See Section 7.13.1.3. AESS. See architecturally exposed s

39、tructural steel. AISC. American Institute of Steel Construction. Anchor Bolt. See anchor rod. Anchor Rod. A mechanical device that is either cast or drilled and chemically adhered, grouted or wedged into concrete and/or masonry for the purpose of the subsequent attachment of structural steel. Anchor

40、-Rod Group. A set of anchor rods that receives a single fabricated structural steel shipping piece. ANSI. American National Standards Institute. Architect. The entity that is professionally qualified and duly licensed to perform architectural services. Architecturally Exposed Structural Steel. See S

41、ection 10. AREMA. American Railway Engineering and Maintenance of Way Association. ASME. American Society of Mechanical Engineers. ASTM. American Society for Testing and Materials. AWS. American Welding Society. Bearing Devices. Shop-attached base and bearing plates, loose base and bearing plates an

42、d leveling devices, such as leveling plates, leveling nuts and washers and leveling screws. CASE. Council of American Structural Engineers. Code of Standard Practice for Steel Buildings and Bridges, April 14, 2010 AMERICAN INSTITUTE OF STEEL CONSTRUCTION 16.3-viii Clarification. An interpretation, o

43、f the design drawings or specifications that have been released for construction, made in response to an RFI or a note on an approval drawing and providing an explanation that neither revises the information that has been released for construction nor alters the cost or schedule of performance of th

44、e work. the Code, this Code. This document, the AISC Code of Standard Practice for Steel Buildings and Bridges as adopted by the American Institute of Steel Construction. Column line. The grid line of column centers set in the field based on the dimensions shown on the structural design drawings and

45、 using the building layout provided by the owners designated representative for construction. Column offsets are taken from the column line. The column line may be straight or curved as shown in the structural design drawings. Connection. An assembly of one or more joints that is used to transmit fo

46、rces between two or more members and/or connection elements. Contract Documents. The documents that define the responsibilities of the parties that are involved in bidding, fabricating and erecting structural steel. These documents normally include the design drawings, the specifications and the con

47、tract. Design Drawings. The graphic and pictorial portions of the contract documents showing the design, location and dimensions of the work. These documents generally include plans, elevations, sections, details, schedules, diagrams and notes. Embedment Drawings. Drawings that show the location and

48、 placement of items that are installed to receive structural steel. EOR, Engineer, Engineer of Record. See structural engineer of record. Erection Bracing Drawings. Drawings that are prepared by the erector to illustrate the sequence of erection, any requirements for temporary supports and the requi

49、rements for raising, bolting and/or welding. These drawings are in addition to the erection drawings. Erection Drawings. Field-installation or member-placement drawings that are prepared by the fabricator to show the location and attachment of the individual shipping pieces. Erector. The entity that is responsible for the erection of the structural steel. Established Column Line. The actual field line that is most representative of the erected column centers along a line of columns placed using the dimensions shown in the Co