Gustavo J. Parra-Montesinos is coming to the rescue of concrete-frame designers and contractors in earthquake country, long bedeviled by rebar-congested coupling beams that span openings in seismic ...
The American Concrete Institute (ACI) published ACI 318-19: “ Building Code Requirements for Structural Concrete ” in July 2019, in response to new engineering practices and industry changes. ACI 318 ...