强透水堤基堤身的几种防渗方案比较

Comparison of Several Seepage Control Schemes for the Embankment Body of Strong Permeable Dike Foundation

在堤防工程设计中,常遇到强透水堤基、堤身问题.以大凌河辽西某段强透水堤基堤身为例,通过对坡面防渗膜与粘土防渗墙、坡面防渗膜与高喷灌浆防渗墙、坡面防渗膜与混凝土防渗墙、坡面防渗膜与斜向铺塑结合等4种防渗方案进行了经济技术比较,各有利弊,但从渗流稳定及减少渗流量方面来看,4种方案均能获得满意效果。

In the design of embankment engineering,problems of strong permeable embankment foundation and body are often encountered.In this study,the author took a research on the embankment body of a strong permeable dike in Daling River in Western Liaoning Province and compared?the technicality and the economy of four seepage control plans on the foundation and body of the river,including slope anti-seepage film and clay anti-seepage wall,slope anti-seepage film and high-spray grouting anti-seepage wall,slope anti-seepage film and concrete anti-seepage wall,and combination of anti-seepage film and oblique plastic laying on slope surface.The results indicated that there were advantages and disadvantages in each way,however,the satisfied effects were obtained in all four schemes in terms of the aspects of seepage stabilization and seepage discharge reduction.The study can provide the reference for the solution of similar problems.