About the author  ⁄ Marshall P. Carman, P.E., S.E.

Marshall P. Carman, P.E., S.E. (mpc@ssastructural.com), is a project manager at Steven Schaefer Associates, Inc., Consulting Structural Engineers in Cincinnati, Ohio.

Concrete Capacity Design (CCD) has been a code methodology for anchor design since it was introduced directly into section 1913 of the 2000 International Building Code (IBC). It was initially a strength design option and was limited to cast-in-place anchors only. The CCD method provided better predictions of concrete breakout strengths than the previously common 45-degree cone method.

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