Rebar connector research team targets large cage safety

Sources: Charles Pankow Foundation, McLean, Va.; CP staff

A lack of proper engineering design and detailing procedures to safeguard slurry wall foundation, cast-in-drilled hole pile and tall column rebar cage stability has compelled a Pankow Foundation grant for the American Society of Civil Engineers Construction Institute, teaming with the University of Nevada, Reno. Researchers will examine behavior of cages incorporating innovative mechanical connectors—U-bolt, threaded rod with plate and wire rope—during various loading conditions. 

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MIT CSHub researchers target ASR gel’s destructive underpinnings

Sources: Concrete Sustainability Hub, Cambridge, Mass.; CP staff

In their current Research Brief, “Simulating the Formation of ASR Gels,” staff at the Massachusetts Institute of Technology-hosted Concrete Sustainability Hub (CSHub) shed new light on conditions, mechanics and protracted timelines surrounding alkali-silica reactivity in concrete. 

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National Stone, Sand & Gravel Association and Portland Cement Association are among 15 organizations behind the Mineral Science and Information Coalition (MSIC), formed to advocate for federal agency endeavors such as the U.S. Geological Survey’s Mineral Resources Program—the top source of cement, sand and gravel, and crushed stone shipments.

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