不同结构的橡胶沥青碎石封层设计参数研究

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以层间抗剪性能为设计指标,进行橡胶沥青碎石封层不同结构、沥青撒布量、碎石撒布量等设计参数的确定。通过合理设置正交试验,在大量减少实验量的基础上,得出不同结构下的橡胶沥青碎石封层均具有良好的层间结合效果,但双层封层的效果要更优。本研究不但确定了不同结构橡胶沥青碎石封层的设计参数,而且可为橡胶沥青碎石封层规范的制订提供很好的数据参考。
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