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There’s a new ACI 318 2011 Edition, Building Code Requirements for Structural Concrete and Commentary

Friday, October 28th, 2011

The American Concrete Institute has just released the new 2011 Edition of ACI 318, “Building Code Requirements for Structural Concrete and Commentary.”  There’s also a new 2011 Edition for the ACI 318M Metric version as well.  The new revision covers the materials, design, and construction of structural concrete used in buildings and where applicable in non-building structures.  The Code also covers the strength evaluation of existing concrete structures.

Among the subjects covered are: contract documents, inspection, materials, durability requirements, concrete quality, mixing, and placing, formwork, embedded pipes, construction joints, reinforcement details, analysis and design, strength and serviceability, flexural and axial loads, shear and torsion, development and splices of reinforcement, slab systems, walls, footings, precast concrete, composite flexural members, prestressed concrete, shells and folded plate members, strength evaluation of existing structures, provisions for seismic design, structural plain concrete, strut-and- tie modeling in Appendix A, alternative design provisions in Appendix B, alternative load and strength reduction factors in Appendix C, and anchoring to concrete in Appendix D.  In particular, Chapter 21 covers earthquake-resistant structures.

The quality and testing of materials used in construction are covered by reference to the appropriate ASTM standard specifications. Welding of reinforcement is covered by reference to the appropriate American Welding Society (AWS) standard.

Uses of the Code include adoption by reference in general building codes, and earlier editions have been widely used in this manner. The Code is written in a format that allows such reference without change to its language. Therefore, background details or suggestions for carrying out the requirements or intent of the Code portion cannot be included.

The Commentary is provided for this purpose. Some of the considerations of the committee in developing the Code portion are discussed within the Commentary, with emphasis given to the explanation of new or revised provisions.

Much of the research data referenced in preparing the Code is cited for the user desiring to study individual questions in greater detail. Other documents that provide suggestions for carrying out the requirements of the Code are also cited.

The ACI 318, all ACI publications and the referenced ASTM and AWS standards are all available from Document Center Inc. at our website, www.document-center.com.  Or you can reach us by phone (650-591-7600), fax (650-591-7617) or email (info@document-center.com).  We have many publications available to assist those involved in construction and design.