Also introduced here are the mixture ratio and design of pavement, base, sub-base, sub-seal and old road strengthening for typical pavement structure of different road classes in Zhengzhou.
同时，还对近阶段郑州市不同道路等级典型路面结构的面层、基层、底基层、下封层和旧路补强的配比和设计作了详细的介绍。
Introduced hereby are design scheme for interim pavement on strengthening, distress treatment and paving of overlay.
文章介绍了对过渡性路面改造的补强设计、病害处理和加铺罩面设计方案。
Introduced hereby are design scheme for interim pavement on strengthening, distress treatment and paving of overlay.
文章介绍了对过渡性路面改造的补强设计、病害处理和加铺罩面设计方案。
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