By adopting jet grouting, ground water was controlled effectively, and thus further excavation and implementation of the scheme of grouted rubble revetment were ensured.

• 采用高压旋喷注装进行止水防渗处理后，地下水得到了有效的控制，保证了基坑进一步开挖和装砌块石护坡方案的顺利施工。