MIT researchers provide comprehensive LCA for buildings

Source: Portland Cement Association, Skokie, Ill.

The need to decrease energy usage and subsequent emissions from the building sector has been at the forefront of U.S. green movement. To address this, researchers at the Massachusetts Institute of Technology’s (MIT) Concrete Sustainability Hub conducted a life-cycle assessment (LCA) study to evaluate and improve the environmental impact and study how the “dual use” aspect of concrete—its ability to offer a durable structure while providing thermal mass benefits for energy loads—affects the environmental footprint of the structure.

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TXI reports lower quarterly results

Source: Texas Industries Inc., Dallas

TXI reported financial results for the quarter ended Aug. 31, 2011. Results for the quarter indicated a net loss of $7.4 million or $.27 per share. Results for the quarter ended Aug. 31, 2010, were a loss of $23.7 million or $.85 per share and included an after-tax charge of $18.0 million or $.65 per share with respect to the company's refinancing.

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New ASTM cement standard simulates shearing by cement paste

Source: ASTM International, West Conshohocken, Pa.

A new standard, ASTM C1738, Practice for High-Shear Mixing of Hydraulic Cement Pastes, provides for preparing a mixture of cement paste that will simulate the shearing experienced by the cement paste in concrete, and was developed by Subcommittee C01.22 on Workability, part of ASTM's Committee C01 on Cement.

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Lafarge marks Canada’s National Precast Day with Habitat home plan

Sources: Lafarge North America, Reston, Va.; Staff reports

During an October 4 open house that drew 500 students, architects and engineers to its Edmonton precast plant, Lafarge announced participation in a local Habitat for Humanity NetZero energy duplex project.

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