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目前的高速公路路面容易积水,车辆高速行驶时,轮胎和路面间形成的水膜会使轮胎打滑,造成车辆失控,导致车祸。最近日本道路公团正在全国高速公路上推行“高功能铺设”的新施工法,即在铺设沥青路面时使沥青发泡形成空隙。这种保留空隙的路面容易吸收雨水,并通过路面和混凝土路基间隙将
Current highway pavement is prone to stagnant water. When the vehicle runs at high speed, the water film formed between the tire and the pavement will make the tire slippery, causing the vehicle to run out of control and causing a car accident. Recently, the Japanese Road Corps is implementing the new construction method of “high-performance laying” on the national expressway, that is, foaming asphalt to form voids when laying asphalt pavement. This gap-retaining pavement absorbs rain easily and passes through the gap between the pavement and the concrete subgrade