泡沫轻质土在铁路临时管涵封堵中的应用

Application of foamed lightweight soil in sealing of temporary railway culverts

用泡沫轻质土对铁路临时涵管进行封堵,以某铁路车站路基的DK155+696临时涵管封堵施工为案例,通过封堵方案比选、泡沫轻质土施工过程以及施工质量控制要点等方面的介绍,分析比较泡沫轻质土和C20混凝土的性能和经济性指标。结果表明:泡沫轻质土在铁路临时管涵封堵中的应用效果良好,同时能够进一步提高工作效率和节省投资。

This article uses foam lightweight soil to block the temporary culvert of the railway.Taking the DK155+696 temporary culvert blocking construction of a railway station subgrade as a case,it introduces the comparison of blocking schemes,the construction process of foam lightweight soil,and the key points of construction quality control.The article analyzes and compares the performance and economic indicators of foam lightweight soil and C20 concrete.Practice has proved that the application of foam lightweight soil in blocking railway temporary culverts has a good effect,and it can also improve work efficiency and save investment.