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 ACI Foundation is pleased to announce the completion of a new research product: Evaluation of Seismic Behavior of Coupling Beams with Various Types of Steel Fiber Reinforced Concrete. Gustavo J.

(PhysOrg.com) -- Researchers at the University of Michigan simulated an off-the-charts earthquake in a laboratory to test their new technique for bracing high-rise concrete buildings. Their technique ...

Surprisingly positive results from the first of four large-scale tests of reinforced-concrete link beams with embedded structural steel sections have further opened the door to more-constructible ...