院随着城市现代化程度不断提高,城市道路中各类检查井数量不断增多,在车辆荷载及冻胀、雨水反复作用下往往出现井周下陷、路面破损、井圈破裂、井盖隆起等破坏现象,不但影响道路美观,更会给行车的舒适度及安全性带来严重影响。目前已成为道路施工中最薄弱环节。 With the continuous improvement of urban modernization, the number of inspection wells in urban roads is constantly increasing. Under the vehicle load, frost heaving and rainwater repetition, there often appear damage phenomena such as well collapse, pavement damage, well ring rupture and uplift of covers. This will not only affect the aesthetic appearance of the road, but will also have a serious impact on the comfort and safety of driving. Now it has become the weakest link in road construction.