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 idea of strengthening a steel beam with carbon fiber is not new. Approaches have ranged from coating corroded steel i-beams with carbon fiber and epoxy to a patent by Boeing where carbon fiber ...
New research shows steel I- and T-sections inside concrete beams can offset shear loss from web openings—enhancing safety in modern construction.
DEAR TIM: I’m getting ready to build a large room addition that needs a beam to support the floor joists. I’ve been told that a wood beam will work, but I’ve always seen steel I-beams in other houses.
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