The NEHRP Seismic Design Technical Brief No. 6: Seismic Design of Cast-in-Place Concrete Special Structural Walls and Coupling Beams, A Guide for Practicing Engineers, was produced under contract to the National Institute of Standards and Technology (NIST), by the NEHRP Consultants Joint Venture, a joint venture of ATC and the Consortium of Universities for Research in Earthquake Engineering (CUREE). (Published 2011, 37 pages)
ABSTRACT: This Guide emphasizes the most common types of special reinforced concrete structural walls, which use cast-in-place, normalweight aggregate concrete and deformed, non-prestressed reinforcement. Wall configurations vary depending on the application, and may include coupling beams. Building codes permit the use of special walls using precast concrete, lightweight aggregate concrete, or prestressed reinforcement. Building codes also permit the use of ordinary cast-in-place structural walls in buildings assigned to Seismic Design Category A, B, or C, and intermediate precast walls in some buildings assigned to Seismic Design Category A, B, C, D, E, or F. The interested reader is referred to ACI 318 for specific requirements for these other systems, which are outside the scope of this Guide. This Guide emphasizes code requirements and accepted approaches to their implementation. It also identifies good practices that go beyond the code minimum requirements.
This technical brief is also available for download in electronic format at the NEHRP web site.
This task has been completed and produced the NIST GCR 11-917-11 report which may be ordered here in hard (printed) copy format.
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