In China, the bituminous pavement with semi-rigid base is widely used in freeway, in which the early damage phenomenon is popular.
我国高速公路的路面广泛采用半刚性基层沥青路面，而这种路面出现早期破坏的现象比较普遍。
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As to the semi-rigid base bituminous pavement, the main bearing weight is basis on the semi-rigid layer. The bituminous pavement has a normal function, without any bearing strength.