对于高等级公路选用何种类型的路面存在着许多不容忽视的因素,水泥砼这种水硬性材料对设计强度不足?超载很敏感,或者由于施工方面的原因而达不到设计的要求,一旦出现上述情况,破坏就会迅速发展,难以维护,就此提出了相关对策.%There are unneglectable factors in selection of pavement type of high-grade highway.Cement concrete of hydraulic material is sensitive to not enough design strength and overload, construction that can not meet design requirement.Once the above situation appears, the damage will expand,and the maintenance is difficult.This article puts forward the corresponding measures.
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