高喷灌浆技术在卵砾石层中的应用

Application of High Pressure Jet Grouting in Gravel Formation

摘要:

高压喷射灌浆法具有适用的范围广、施工简便、设备简单、管理方便等许多优点，已广泛应用于水工建筑物的基础防渗工程中。结合灵关水电站尾水渠高喷灌浆施工，介绍施工过程中遇到的问题及处理措施，为类似工程提供借鉴。

关键词:高喷灌浆;单排旋喷桩套接;质量控制;防渗效果

Abstract:

The high pressure jet grouting method has advantages of wide application, easy construction, simple equipment and convenient management, which has been widely applied in foundation seepage control for hydraulic structure. According to the high pressure jet grouting construction in tailrace of Lingguan hydropower station, the paper introduced the problems encountered in the construction and the treatment measures to provide reference for the similar engineering.

Key words:high pressure grouting; single-row rotary jetting pile overlapping; quality control; seepage control effect