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Displaying 201 - 225 of 665

Virtual Testing of Ready-Mixed Concrete

January 1, 2004
Author(s)
Jeffrey W. Bullard
The development of a virtual testing system is no small task. It requires fundamental scientific research into the physics, chemistry, and materials science of concrete. The Virtual Cement and Concrete Testing Laboratory consortium has identified three

Properties of Injectable Apatite-Forming Premixed Cements

April 10, 2010
Author(s)
Yasushi Shimada, Laurence Chow, Shozo Takagi, Junji Tagami
… than 60 min. This study investigated properties of fast-hardening HA-forming premixed CPCs. All cements consisted of … of TTCP5/(TTCP5+TTCP17) was used to control the cement hardening time. Equal volume of Pastes 1 and 2 were injected …

Modeling the Effects of Outdoor Gasoline Powered Generator Use on Indoor Carbon Monoxide Exposures

August 3, 2009
Author(s)
Wang Liangzhu, Steven Emmerich
… generators operated outdoors but within seven feet of the home. The guidance provided on the safe operating distance of … in placement of the generator too close to avoid the home to reduce the likelihood of the entry of CO. This study … (CFD) model to predict CO concentrations near and within a home. The simulation cases included both human-controllable …
Displaying 201 - 225 of 665
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