As the waterproof technology with high work efficiency, threefold high-pressure jet grouting plays a vital role in the water-proof and seepage-proof project of deep foundation pits.

• 摘要三重管高压喷射注浆作为一种工效很高的隔水防水工艺，在深基坑隔水防渗工程中发挥着重要作用。