北京地区桩间旋喷止水工艺的影响因素分析及改进初探

Analysis of Influence Factors of Jet Grouting Water Stop Curtain between Supporting Piles and Improvements in Beijing

结合目前北京地区桩锚支护基坑旋喷止水工艺常见的设计方案及实际止水效果,分析了利用桩间旋喷止水工艺止水的利弊。总结了影响桩间旋喷止水工艺效果的主要因素,初步提出了桩间旋喷止水工艺的改进建议。

Based on the design of pile-anchor supporting with jet grouting water-stop curtain and practical water sealing up effect in Beijing area, this paper analyzes the advantages and disadvantages, points out the influence factors of jet grouting water stop curtain between supporting piles, and presents some improvement views.