Danish Transportation Researchers Committed to Reducing Denmark’s Carbon Footprint

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Denmark's CO2 Energy Efficiency project intends to increase energy conservation and environmental sustainability on its nation's roads. Texas-based pavement specialists, The Transtec Group, recently contributed to the project.

RoboTex measures pavement texture

An engineer from The Transtec Group measures pavement texture with RoboTex, a robotic laser profiler

Denmark has increased efforts to reduce fuel consumption and carbon dioxide (CO2) emissions – and lessen their citizens’ fuel costs. The nation introduced an energy conservation project expected to save 101 million dollars, 12.5 million gallons of fuel, and 45,000 tons of CO2 yearly with re-engineered, energy-efficient roadways. As part of this effort, Denmark recently connected with American pavement specialists: engineers from The Transtec Group (Transtec).

Denmark’s CO2 Energy Efficiency (COOEE) project will boost energy efficiency by decreasing vehicles’ resistance to motion, called rolling resistance, according to project manager Bjarne Schmidt. Transtec Chief Engineer Dr. Robert O. Rasmussen, PE, said part of this resistance comes from texture – pavement’s tiny bumps and indentations interact with tire tread blocks and grooves – but the interaction has yet to be widely studied.

To model this relationship, COOEE brought in Transtec’s engineers to use their robotic laser profiler, RoboTex, to collect data capable of creating 3D images of various pavement surfaces. Mr. Schmidt said COOEE will use this data – along with other measurements – in their model to determine surface characteristics that minimize resistance, conserve energy, and reduce Denmark’s carbon footprint.

While in Denmark, Transtec also measured tire-pavement noise – a pavement characteristic that, like texture, is an environmental and economic concern, according to Dr. Rasmussen. In addition to adjusting texture and noise, Transtec’s pavement surface experts focus on friction, smoothness, and splash and spray to achieve smooth, safe, and quiet pavements.

Denmark expects to complete the research portion of their COOEE project mid-2014, and intends to implement their improvements for sustainable, energy-saving roadways soon after.

To learn more about Denmark’s COOEE project, please visit http://www.COOEE-CO2.dk.

About The Transtec Group: The Transtec Group is a pavement engineering firm that provides expertise in pavement design, research, construction, rehabilitation, software development, Public-Private Partnership (P3) projects and technology transfer for the transportation industry. A DBE and MBE firm, Transtec is a leader in Design-Build transportation projects worldwide. Transtec is based in Austin, Texas and serves clients throughout the world. For more information, please visit http://www.TheTranstecGroup.com.

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