This paper takes a highway project as the research background, points out the highway drainage system not only rely on the excellent design and strict construction process, also need investigation statistics of drainage problems in the trial operation period, then according to the investigation of the problem com-bined with the actual situation of continuous improvement and maintenance.% 文章以某公路段项目为研究背景,指出了良好的公路排水系统不仅仅依靠优秀的设计和严格规范的施工过程,还需要在试运行期间对排水问题进行排查统计,然后根据排查出的问题结合实际情况进行不断改进和养护。
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