Landscape Contractor / Design Build Maintain

MAR 2014

LC/DBM provides landscape contractors with Educational, Imaginative and Practical information about their business, their employees, their machines and their projects.

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The University of California Pave- ment Research Center at UC Davis will load a 2,600 square feet test track of permeable interlocking concrete pavement, the first of its kind in the western hemisphere, with a heavy vehicle simulator to develop better design tools for PICP producers. The test results will provide information for the modeling and development of base thickness charts over a variety of soils and wheel load conditions. Adding graphene, a carbon-based relative of dia- mond, to concrete, makes it able to conduct elec- tricity . The Building Envelope and Structure research group at Canada's National Research Council has already patented and proven the technology in small-scale ap- plications. The group envisions the new concrete in road- ways melting ice and informing engineers when sections of roads or bridges are in need of repair. 54 LC DBM I n f o r m a t i o n R e q u e s t # 4 7 3 Hard TecH Technological Developments i n t h e H a r d s c a p e I n d u s t r y The Environmental Protection Agency re- leased an evaluation that concluded that the use of encapsulated coal combustion resid- uals (CCR or coal ash) , which is formed when coal is burned in boilers for power generation and industrial applications, is appropriate in concrete and wallboard applications since it is com- parable to virgin materials or below the agency's health and environmental benchmarks. S t R E n g t h t E S t Putting Waste to Good Use Charged Concrete www.nrc-cnrc.gc.ca/eng/index.html www.ucprc.ucdavis.edu 054-055.indd 54 3/3/14 11:08 AM

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