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." ...
BEND, Ore. (AP) - Oregon officials are investigating after fallen beams shut down an overpass construction site in La Pine. The Bulletin reports that two 130-ton concrete and steel rebar beams crashed ...
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