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The technical committees responsible for ACI committee reports and standards strive to avoid ambiguities, omissions, and errors in these documents. In spite of these efforts, the users of ACI documents occasionally find information or requirements that may be subject to more than one interpretation or may be incomplete or incorrect. Users who have suggestions for the improvement of ACI documents are requested to contact ACI via the errata website at www.concrete.orgcommitteeserrata.asp. Proper use of this document includes periodically checking for errata for the most uptodate revisions.
ACI 318M-11 Reported by ACI Committee 318 Building Code Requirements for Structural Concrete (ACI 318M-11) An ACI Standard and Commentary Building Code Requirements for Structural Concrete (ACI 318M-11) and Commentary First Printing September 2011 ISBN 978-0-87031-745-3 American Concrete Institute ® Advancing concrete knowledge Copyright by the American Concrete Institute, Farmington Hills, MI. All rights reserved. This material may not be reproduced or copied, in whole or part, in any printed, mechanical, electronic, film, or other distribution and storage media, without the written consent of ACI. The technical committees responsible for ACI committee reports and standards strive to avoid ambiguities, omissions, and errors in these documents. In spite of these efforts, the users of ACI documents occasionally find information or requirements that may be subject to more than one interpretation or may be incomplete or incorrect. Users who have suggestions for the improvement of ACI documents are requested to contact ACI via the errata website at www.concrete.org/committees/errata.asp. Proper use of this document includes periodically checking for errata for the most up-to-date revisions. ACI committee documents are intended for the use of individuals who are competent to evaluate the significance and limitations of its content and recommendations and who will accept responsibility for the application of the material it contains. Individuals who use this publication in any way assume all risk and accept total responsibility for the application and use of this information. All information in this publication is provided “as is” without warranty of any kind, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose or non-infringement. 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Most ACI standards and committee reports are gathered together in the annually revised ACI Manual of Concrete Practice (MCP). American Concrete Institute 38800 Country Club Drive Farmington Hills, MI 48331 U.S.A. Phone: 248-848-3700 Fax: 248-848-3701 www.concrete.org Voting Main Committee Members Randall W. Poston Chair Basile G. Rabbat Secretary Sergio M. Alcocer Anthony E. Fiorato James O. Jirsa David M. Rogowsky Neal S. Anderson Catherine E. French Dominic J. Kelly David H. Sanders Florian G. Barth Robert J. Frosch Gary J. Klein Guillermo Santana Roger J. Becker Luis E. García Ronald Klemencic Thomas C. Schaeffer Kenneth B. Bondy Satyendra Ghosh Cary S. Kopczynski Stephen J. Seguirant Dean A. Browning Harry A. Gleich Colin L. Lobo Andrew W. Taylor James R. Cagley David P. Gustafson Paul F. Mlakar Eric M. Tolles Ned M. Cleland James R. Harris Jack P. Moehle James K. Wight W. Gene Corley Terence C. Holland Gustavo J. Parra-Montesinos Sharon L. Wood Charles W. Dolan Shyh-Jiann Hwang Julio A. Ramirez Loring A. Wyllie Jr. Voting Subcommittee Members F. Michael Bartlett Kevin J. Folliard Andres Lepage Theodore A. Mize Mario E. Rodriguez Raul D. Bertero H. R. Trey Hamilton III Raymond Lui Suzanne Dow Nakaki Bruce W. Russell Allan P. Bommer R. Doug Hooton LeRoy A. Lutz Theodore L. Neff M. Saiid Saiidi JoAnn P. Browning Kenneth C. Hover Joseph Maffei Lawrence C. Novak Andrea J. Schokker Nicholas J. Carino Steven H. Kosmatka Donald F. Meinheit Viral B. Patel John F. Stanton Ronald A. Cook Michael E. Kreger Fred Meyer Conrad Paulson Roberto Stark David Darwin Jason J. Krohn Denis Mitchell Jose A. Pincheira John W. Wallace Lisa R. Feldman Daniel A. Kuchma International Liaison Members Mathias Brewer Alberto Giovambattista Hector Monzon-Despang Oscar M. Ramirez Josef Farbiarz Hector D. Hernandez Enrique Pasquel Fernando Reboucas Stucchi Luis B. Fargier-Gabaldon Angel E. Herrera Patricio A. Placencia Fernando Yáñez Consulting Members John E. Breen H. S. Lew Robert F. Mast Neil M. Hawkins James G. MacGregor Charles G. Salmon BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE (ACI 318M-11) AND COMMENTARY REPORTED BY ACI COMMITTEE 318 ACI Committee 318 Structural Building Code [...]... Concrete (ACI 318M -1 1) ,” referred to as the Code or 2 011 Code, provides minimum requirements for structural concrete design or construction ′ For structural concrete, fc shall not be less than 17 MPa No maximum value of fc′ shall apply unless restricted by a specific Code provision The 2 011 Code revised the previous standard Building Code Requirements for Structural Concrete (ACI 318M-08).” This standard...STRUCTURAL CONCRETE BUILDING CODE (ACI 318M -1 1) AND COMMENTARY 7 The ACI Building Code Requirements for Structural Concrete ( Code ) and Commentary are presented in a side-by-side column format, with Code text placed in the left column and the corresponding Commentary text aligned in the right column To further distinguish the Code from the Commentary, the Code has been printed in Helvetica,... design categories as defined in the Code ACI 31 8-0 8; IBC 2000, 2003, 2006, 2009; NFPA 5000, 2003, 2006, 2009; ASCE 7-9 8, 7-0 2, 7-0 5, 7-1 0; NEHRP 1997, 2000, 2003, 2009 SDC* A, B ACI 31 8-0 5 and previous editions Low seismic risk BOCA National Building Code 1993, 1996, 1999; Standard Building Code SPC† A, B 1994, 1997, 1999; ASCE 7-9 3; 7-9 5; NEHRP 1991, 1994 Uniform Building Code 1991, 1994, 1997 Seismic Zone... their entirety American Concrete Institute Copyrighted Material—www .concrete. org 10 1 STRUCTURAL CONCRETE BUILDING CODE (ACI 318M -1 1) AND COMMENTARY CODE COMMENTARY Appendix C of the Code allows the use of the factored load combinations given in Chapter 9 of the 1999 Code Appendix D contains provisions for anchoring to concrete 1.1.2 — This Code supplements the general building code and shall govern... structural concrete, except wherever this Code is in conflict with requirements in the legally adopted general building code R1.1.2 — The American Concrete Institute recommends that the Code be adopted in its entirety; however, it is recognized that when the Code is made a part of a legally adopted general building code, the general building code may modify provisions of this Code 1.1.3 — This Code shall... Code Requirements for Nuclear Safety-Related Concrete Structures and Commentary” reported by ACI Committee 349.1.4 (This provides minimum requirements for design and construction of concrete structures that form part of a nuclear power plant and have nuclear safety-related functions The American Concrete Institute Copyrighted Material—www .concrete. org STRUCTURAL CONCRETE BUILDING CODE (ACI 318M -1 1) ... under requirements of the legally adopted general building code of which this Code forms a part In areas without a legally adopted building code, this Code defines minimum acceptable standards for materials, design, and construction practice This Code also covers the strength evaluation of existing concrete structures The American Concrete Institute Building Code Requirements for Structural Concrete. .. coverage of post-tensioning systems, specifications, design aids, and construction concepts.) American Concrete Institute Copyrighted Material—www .concrete. org STRUCTURAL CONCRETE BUILDING CODE (ACI 318M -1 1) AND COMMENTARY 9 CHAPTER 1 — GENERAL REQUIREMENTS CODE 1 COMMENTARY 1.1 — Scope R1.1 — Scope 1.1.1 — This Code provides minimum requirements for design and construction of structural concrete members... commercial slabs on expansive or compressible soils.) American Concrete Institute Copyrighted Material—www .concrete. org 1 12 1 STRUCTURAL CONCRETE BUILDING CODE (ACI 318M -1 1) AND COMMENTARY CODE 1.1.8 — Concrete on steel deck COMMENTARY R1.1.8 — Concrete on steel deck In steel framed structures, it is common practice to cast concrete floor slabs on stay-in-place steel deck In all cases, the deck serves as the... wherever this Code is in conflict with requirements contained in other standards referenced in this Code 1.1.4 — For cast-in-place footings, foundation walls, and slabs-on-ground for one- and two-family dwellings and multiple single-family dwellings (townhouses) and their accessory structures, design and construction in accordance with ACI 332M-10 shall be permitted R1.1.4 — “Residential Code Requirements . ACI 318M-11 Reported by ACI Committee 318 Building Code Requirements for Structural Concrete (ACI 318M-11) An ACI Standard and Commentary Building Code Requirements for Structural Concrete (ACI. proprietors. BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE (ACI 318M-11) AND COMMENTARY REPORTED BY ACI COMMITTEE 318 2 STRUCTURAL CONCRETE BUILDING CODE (ACI 318M-11) AND COMMENTARY American Concrete Institute. Charles G. Salmon BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE (ACI 318M-11) AND COMMENTARY REPORTED BY ACI COMMITTEE 318 ACI Committee 318 Structural Building Code