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本文简介了美国弗吉尼亚(州)DOT试验采用喷砂机喷射钢砂的方法,增强道路路面的滑动摩擦阻力。这对沥青路面和混凝土路面的滑动摩擦阻力来说是个关键性的问题。
This article describes the United States, Virginia (state) DOT test using sand blasting machine grit blasting method to enhance the road friction and slip resistance. This is a critical issue for the sliding frictional resistance of asphalt and concrete pavements.