by GCO | Dec 31, 2020 | Articles
Author(s) Yail J. Kim and Ahmed Ibraheem Abstract This paper presents the potential and feasibility of an alternative bonding method for strengthening reinforced concrete beams with carbon fiber-reinforced polymer (CFRP) sheets. Periodic grooves are cut along...
by GCO | Dec 31, 2020 | Buildings & Structures
Author(s) Gebran N. Karam and Mazen R. Tabbara Abstract An experimental and numerical investigation of stress-strain response, hoop strain variation, and localization of carbon fiber-reinforced composite (CFRP) confined cylinders of polypropylene and sand was...
by GCO | Dec 31, 2020 | Buildings & Structures
Author(s) Tomohisa Saito, Nobuhiro Chijiwa, Hiroo Shinozaki, and Mitsuyasu Iwanami Abstract Several cases of premature damage of wind turbine tower foundations constructed using the anchor-ring method have been reported to cause towers’ uplift. Sludge buildup...
by GCO | Dec 31, 2020 | News
Brief Craig Yeack profiles NITROcrete, a Colorado-based company that has developed a process that involves spraying coarse aggregate with liquid nitrogen before batching. Matthew Nazarenko from NITROcrete says the cooling process is in use at more than 100 concrete...
by GCO | Dec 31, 2020 | News
Brief A new video explores the making of the 3D-printed concrete Ashen Cabin near Ithaca, N.Y. The cabin incorporates wooden components from ash trees that couldn’t be run through traditional lumber processing. Insight Thanks to the latest video by Jarett...
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