摘要
青海直岗拉卡水电站一期围堰防渗墙采用高压摆喷灌浆与粘土心墙相结合的方法,使粘土质粉砂岩、砂岩和砂砾石层形成一道防渗连续墙。为基坑开挖提供保证。
For the cutoff wall of stage I cofferdam of the Zhiganglaka hydropower station in Qinghai, a combined method of high pressure swing grouting and clay core wall is adopted. A continuous cutoff wall is formed in the clayey siltstone, sandstone and sandy gravel layers, and thus the foundation pit excavation is ensured.
出处
《西北水电》
2004年第1期18-20,25,共4页
Northwest Hydropower
