粉体喷射搅拌法在防渗工程中的应用研究

Application of Powder Jetting Method in Anti-seepage Engineering

摘要:

通过郑州航空大酒店工程实例，阐述了粉体喷射搅拌法在深基坑开挖构建防渗止水围幕的设计原则、方法和主要的计算依据及其主要参数确定的试验方法和数据分析；介绍了施工中特殊的工艺技术措施和取得的效果；提出了该工法值得进一步探讨的几个问题。

Abstract:

With reference to the field case of Zhengzhou ,Airline Hotel foundation construction,a description ismade on the design principle ,method and main caculation criteria of the powder jetting method used in anti -seepage diaphragm with deep foundation pit excavation ,as well as the testing method and data analysis for determination of the major parameters of this method ,Special technical measures employed in the construction and results are introduced .Several problems of the method ,which need further discussions.