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 ...

Trailblazers seeking a faster, safer and less costly way to build concrete shear walls in seismic-zone high-rises have pioneered the use of steel fibers as link-beam reinforcing-steel "decongestants." ...