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    The 2013 MSJC Code and Specification: What to Expect and Why

    Published: 2014

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    Major changes to building code requirements and specification for masonry structures (TMS 402/TMS 602, 2011, “Building Code Requirements and Specification for Masonry Structures,” TMS 402/ACI 530/ASCE 5 and TMS 602/ACI 530.1/ASCE 6, The Masonry Society, Longmont, CO) are being made to the 2013 edition of these standards by the Masonry Standards Joint Committee (MSJC), which is charged by The Masonry Society (TMS) with the development and oversight of the standards. This paper reviews some of the major changes that were made, which include: a complete reformatting of the document into a more user-friendly format; the addition of an appendix on an optional limit design method for special reinforced masonry shear walls; a new chapter for the prescriptive design of masonry partition walls; movement of the empirical provisions into an appendix; a change to a moment magnifier approach for the design of reinforced clay, concrete masonry, and autoclaved aerated concrete (AAC) masonry walls; revisions of requirements for partially grouted shear walls; and changes to the requirements for joint reinforcement and seismic clips for anchored veneer in seismic design categories (SDCs) D, E, and F. Because of the extent of these changes, the paper will provide background on what changes were made, and also on why the revisions were needed, thus allowing the paper to serve as a means to update users on these important changes and making the paper a future historical reference on the revisions.


    masonry codes, standards, specifications, construction, design

    Author Information:

    Throop, Diane B.
    Director of Engineering, International Masonry Institute, Simpsonville, SC

    Bennett, Richard M.
    Professor, Univ. of Tennessee, Dept. of Civil Engineering, Knoxville, TN

    Dalrymple, Gerald
    Principal, Whitlock Dalrymple Poston & Associates, P.C, Manassas, VA

    Samblanet, Phillip
    Executive Director, The Masonry Society, Longmont, CO

    Committee/Subcommittee: C07.90

    DOI: 10.1520/STP157720130148