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由于作用在道路上的荷载不对称性,荷载大的一方,其产生的附加应力不仅加速了地基沉降速率,而且产生了一定的附加沉降,致使道路产生不均匀沉降,从而导致道路裂缝的产生。本文采用钻孔取芯、落锤式弯沉仪(FWD)、地质雷达(GPR)等检测方法分别对路面、路基的内部情况进行了检测,并结合沉降测量与计算结果,对不对称荷载作用下的路面纵向裂缝产生原因进行了分析研究。
Due to the asymmetric load acting on the road, the additional stress generated by the large load not only accelerated the settlement rate of the foundation, but also caused some additional settlement, resulting in uneven settlement of the road, resulting in the occurrence of road cracks. In this paper, the internal conditions of pavement and subgrade are tested by the methods of drilling coring, falling weight deflectometer (FWD) and GPR. Combined with the results of settlement measurement and calculation, the influence of unsymmetrical load Under the pavement longitudinal cracks were analyzed.