California Building Code Chapter 21A Masonry includes core testing as a required quality assurance procedure without distinction as to the type of masonry unit or construction. The white paper and article below examine the history of core testing, the original intent related to multiwythe brick masonry, its mutation to today's requirements, and its efficacy as a meaningful indicator of performance.
The History and Significance of Coring Masonry Walls, John Chrysler, Executive Director, Masonry Institute of America, and Kurt Siggard, Executive Director, Concrete Masonry Association of California and Nevada. Presented to 12th Canadian Masonry Symposium, Vancouver, British Columbia, June 2013.
Coring of Concrete Masonry Walls: Is it Necessary?, Richard Bennett, Ph.D. P.E., Professor, Civil and Environmental Engineering, The University of Tennessee, Knoxville; Chair, 2016 TMS 402/602 Code Committee.