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在沥青面层中加入土工织物增强抗渗水能力 ;通过改善集料的级配组成使路面基层具有透水能力 ,通过水力计算确定排水基层厚度 ;合理配置基层结构 ,建立完善的渗入水排出通道 ,从而解决防渗水问题。
Adding geotextile to the asphalt surface layer to enhance water impermeability; improving the grading composition of the aggregate to make the pavement base layer permeable to water, calculating the thickness of drainage base layer through hydraulic calculation; rationally disposing the grassroots structure and establishing a perfect infiltration water discharge passageway Solve the problem of seepage water.