吹砂回填软基真空联合堆载预压加固效果分析

Analysis on the Reinforcement Effect of Vacuum Combined Surcharge Preloading on Soft Foundation with Sand Blowing and Backfilling

真空联合堆载预压技术在加固吹砂回填软基施工中的重要重要的作用。基于此,论文根据实际工程案例,介绍了采用真空联合堆载预压施工技术的特点以及施工工艺,并通过测试吹砂回填软基土体的物理性能、地表的沉降以及孔隙水压等方面,分析了将真空联合堆载预压技术应用到吹砂回填软基中的加固效果。

Vacuum combined surcharge preloading technology plays an important role in the construction of soft foundation with sand blowing and backfilling. Based on the actual project cases, the paper introduces the characteristics and construction technology of vacuum combined preloading construction technology,by testing the physical properties of sand blown backfill soft foundation, surface settlement,pore water pressure and other aspects, this paper analyzes the reinforcement effect of applying vacuum combined surcharge preloading technology to sand blown backfill soft foundation.