A conclusion was made that dispersive clay as materials of dam or antiseepage material was feasible.2.The main theories and methods of earth rockfill dam were summarized in this paper.

• 简要介绍了土工合成材料的功能,并较详细地介绍土工膜和土工布在土石坝防渗和反滤中的应用,并对土工合成材料的耐久性等问题进行分析;