This paper analyses quality control and construction of cement bound granular material base and material of sub base construction in its process of mixing, spreading, pressing and maintenance.
本文重点介绍了水泥稳定粒料基层、底基层施工中的材料、拌制、摊铺、碾压、养生等环节的施工及质量控制。
Base; road base [highways] : the part of the road structure Below the base course and above the sub-base.
基层[公路]：路面层之下路基之上的道路结构部分。
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。
Because of many merits, such as higher strength, better water stability, and good for environment protection, lime-ash soil is widely used now in high class highway sub-base.
二灰土因其具有强度较高、水稳性较好和有利于环保等优点，在目前的高等级公路底基层中广泛使用。
The pedestrian lanes from roads to offices are made of gravel sub-base and paving blocks.
办公室步行道由砂砾基层和铺设道砖构成。
Impact compactor is a compaction machinery with high impact energy, which cracks the old cement concrete pavement to form a interlocking structure and be the cushion or sub-base of the new pavement.
冲击压实机是一种高冲击能量的压实机械，通过破裂稳固混凝土路面，使旧路面形成嵌锁型结构，成为新铺路面的垫层或底基层。
Non-cohere granular stone is widely used as a kind of material of road pavements, and it's also widely used in base or sub-base of flexible road surface in overseas by now.
无粘结粒料是一种应用广泛的路面材料，至今仍然广泛用于国外柔性路面的基层和底基层。
Therefore, how to prevent and control the shifting sand, is a technical key question, which should be solved in the sub-base earthwork.
为此如何防治流砂成为基坑土方施工需要解决的一个技术难题。
Therefore, how to prevent and control the shifting sand, is a technical key question, which should be solved in the sub-base earthwork.
为此如何防治流砂成为基坑土方施工需要解决的一个技术难题。
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