Abstract: Through the quality control for the gravelly soil straight core wall at the earth damof Qiaoqi hydropower station, this paper summarized the quality control method of coarse- grained impervious soil, for reference to similar projects in the aspects such as construction quality ensuring, quicken the construction progress and the economy benefit improvement.

摘要： 通过硗碛水电站砾质土直心墙土石坝质量控制, 总结粗粒土防渗料质量控制方法, 为类似工程确保施工质量、加快工程施工进度和提高经济效益提供参考资料。