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Performances evaluation of epoxy asphalt mixture containing snow-melting agent

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Abstract The performance degradation of the asphalt mixture blended with the snow-melting agent can inevitably occur although it can be relieved by adding the high viscosity modifier or Nanopowder. The… Click to show full abstract

Abstract The performance degradation of the asphalt mixture blended with the snow-melting agent can inevitably occur although it can be relieved by adding the high viscosity modifier or Nanopowder. The thermosetting epoxy asphalt binder, different from the conventional thermoplastic asphalt as SBS modified asphalt, was adopted in this research to solve this problem. Experiments were carried out to test the road engineering performances, conductivity, deicing and snow melting performances of epoxy asphalt mixture with the snow-melting agent content of 6%, 7% and 8%, substituting the equivalent amount of mineral filler, and then the results were compared with SBS modified asphalt mixture. The results show that snow-melting agent has a slight influence on the engineering performance of epoxy asphalt mixture. With snow-melting agent content or environmental temperature rising, the snow-melting agent release amount and rate of epoxy asphalt mixture increase, but are lower than those of SBS modified asphalt mixture under the same condition. The epoxy asphalt mixture with snow-melting agent can provide preferable snow melting performance and low ice adhesion. This thermosetting mixture with snow-melting agent possesses engineering application potential due to its excellent performance and long snow melting life.

Keywords: melting agent; snow melting; mixture; asphalt mixture; epoxy asphalt

Journal Title: Construction and Building Materials
Year Published: 2017

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