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公路坝式路堤是一种集水坝和路堤功能于一体的公路建筑物,其对于干旱、半干旱地区建设生态公路、改善生态环境、实现可持续发展具有重要意义。通过对甘肃省交通系统已建坝式路堤设计、施工及使用情况的调查,归纳分析了存在的问题及其产生的原因,讨论提出了公路黄土坝式路堤的选址、蓄水量、泄洪涵洞的设置及工法、边沟水的排向、防渗层设置、边坡设计、沉降(陷)处治及结合部处理等方法和措施。
Highway dam embankment is a kind of highway building integrating dam and embankment functions. It is of great significance to construct ecological highway, improve ecological environment and achieve sustainable development in arid and semi-arid areas. Based on the investigation of the design, construction and use of the dam-built embankment in the traffic system of Gansu Province, the existing problems and their causes are summarized and analyzed. The location, storage capacity, flood culvert and culvert The setting and working method, the drainage of ditches, the setting of anti-seepage layer, the design of slope, the treatment of settlement (sink) and the treatment of the junction.