满城顺平界至京赞线交叉口段大修方案

京赞支线满城顺平界至京赞线交叉口段因出现多种病害，日常的养护维修已不能满足行车安全的需求，急需进行大修改造。为此，根据沿线自然地理条件和旧路现状，对路基路面、安全设施、平交、排水等提出了大修方案，以供类似工程借鉴。

Heavy Maintenance Scheme for Highway Section Between Border of Mancheng Shunping and Intersection of Beijing-Zanhuang Line

There are many diseases in the branch line of Beijing Zanhuang highway, from the Shunping border of Mancheng to the intersection of Beijing-Zanhuang Line, and daily maintenance cannot meet the driving safety demands of the highway, therefore the heavy maintenance is urgently needed. Based on the natural geography conditions along the highway and the existing road situation, the heavy maintenance schemes for subgrade pavement, safety facilities, grade crossing and drainage have been proposed, it can provide references for similar engineering.