塑料排水板+真空预压技术在软基处理中的应用

APPLICATION OF PLASTIC DRAINAGE BOARD+VACUUM PRELOADING TECHNOLOGY IN SOFT FOUNDATION TREATMENT

塑料排水板结合真空预压或堆载预压在公路软基处理中应用广泛。具有缩短工期、工艺相对简单等优点,其作用与袋装砂井类似,但其施工成本较袋装砂井更低、施工速度更快,因而具有较大的应用前景。以某公路软基处理为背景,进行了软基最终沉降量预测,并分析了设置塑料排水板后软基沉降、固结程度和时间的关系,介绍了塑料排水板施工工艺流程。

Plastic drainage boards combined with vacuum preloading or pile load preloading are widely used in soft foundation treatment of highways.It mainly has the advantages of shortening the construction period and relatively simple technology,its function is similar to bagged sand wells,but its construction cost is lower and the construction speed is faster than bagged sand wells,so it has great application prospects.The article takes the soft foundation treatment of a certain highway as the background,predicts thefinal settlement of the soft foundation,and analyzes the relationship between the settlement,consolidation degree,and time of the soft foundation after the installation of plastic drainage boards,it briefly introduces the construction process of plastic drainage boards.