The results show that the thickness of pavement layers is a major factor in affecting vertical dynamic stress distribution.
结果表明，路面结构层的厚度是影响竖向应力分布的主要因素。
Aiming at the phenomenon of cutting slippage between the layers of the asphalt pavement, a machine is designed to test the shear-strength between pavement layers.
针对沥青路面层间推移问题，设计开发了路面材料剪切仪用于层间抗剪强度测试。
More important thing is that the method can back calculate both modulus and thickness of flexible pavement structure layers simultaneously.
既可反算路面结构层的模量，又能反算其厚度。 通过与实际值比较，其计算精度完全满足工程实际的要求。
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