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公路的路面常因路基的坡面不够牢固而造成断裂、下陷。日本将旧轮胎整齐地排列在坡面上，然后用水泥浇筑空隙，使之牢固地粘连在一起。这样既可以节约筑路所需伪水泥，又增强了坡面的坚固程度。同时旧轮胎具有良好的吸收噪音的功能，是一种吸噪好的材料。只要用6万个旧轮胎，就
Road surface often due to subgrade slope is not strong enough to cause fracture, sag. In Japan, the old tires are neatly arranged on the slope, and then the concrete is poured into the gaps so that they are firmly bonded together. This will not only save the pseudo-cement required for road construction, but also enhance the firmness of the slope. At the same time the old tire has a good function of absorbing noise, is a good noise absorption material. Just use 60,000 old tires