中小桥及通道涵顶进接长施工质量控制要点

随着公路建设的迅猛发展，公路里程不断增加，公路网日趋密集，公路交叉也越来越多。在施工过程中若新建公路与营运公路交叉，往往会造成很大的麻烦，既会影响车辆的畅通运行，也会影响施工。因此，在交通繁忙的线路，在条件允许的情况下采用顶进施工法施工，既不会中断交通，又可以解决因堵车而影响施工的问题。

Construction Quality Control Points of Jacking and Spreading of Small Bridge and Channel Culvert

With the rapid development of highway construction, the highway mileage is increasing, the road network is becoming more intensive and more highways cross. Especially in the construction process, the new highway and operating road cross will cause a lot of trouble; affect both the smooth running of vehicles and the construction. Therefore, in lines with heavy traffic, if the condition allows, using jacking construction method of construction will not interrupt traffic and can solve the problem of traffic jams caused by construction.