The practice of domestic and abroad highway construction and service shows that the damages and the lost of highway service capability have closed relation with subgrade drainage system.
国内外公路建设和运营的实践表明，公路使用性能的衰减与丧失很大程度上与路基地下水和地面水的存在有关。
Preventive measures are presented aiming at strengthening the subgrade and pavement drainage and the trench treatment.
从加强路基和路面排水及路槽处理等方面着手，提出防治的对策。
It is suitable to calculate the quantities of subgrade protection and drainage project, especially in the draft design and predesign phase of the highway or railway.
该方法尤其适用于公路或铁路的方案研究阶段及初步设计阶段的路基防护及排水工程数量的统计。
The paper analyzed the design of common subgrade, special subgrade, protection and drainage etc. in Taijia Expressway, and proposed some design thoughts and ideas for reference.
通过对太佳高速公路一般路基、特殊路基、防护、排水等设计进行分析介绍，提出一些设计思路和想法，供大家参考和探讨。
The drainage design of urban highway deals with only the surface run-off. It presents a new drainage system considering the road surface, pavement structure, and subgrade (including green belt).
城市快速路排水设计，一般只考虑路面径流的做法，主要从道路表面、路面结构内部和路基(包括绿化带)三方面时排水进行综合介绍。
It is of significance to use the drainage consolidation method to strengthen soft subgrade.
这对于采用排水固结方法加固软土地基工程项目，具有一定的借鉴意义。
By dewatering of foundation pit, the points above the drainage layer all have a considerable influence and the shorter distance with the subgrade surface the more influence.
但随着基坑降水的进行，排水层以上各点均受较大影响，并且距离路基表面越近影响越大。
By dewatering of foundation pit, the points above the drainage layer all have a considerable influence and the shorter distance with the subgrade surface the more influence.
但随着基坑降水的进行，排水层以上各点均受较大影响，并且距离路基表面越近影响越大。
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