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高压喷射灌浆技术在强透水堤基处理中的应用 被引量:1

SEAL OF THE WATER SEEPING BANK FOUNDATION BY MEANS OF JET-GROUTING AND HIGH HYDRO MILL
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摘要 本文介绍了高压喷射灌浆技术在北江大堤强透水堤基处理中的应用.文中在分析堤基地层结构特征和物性指标的基础上,论述了高喷防渗墙的设计施工参数,根据已有围井检验结果,分析了各种地层高喷防渗墙的防渗效果,提出了用“单位渗水率”指标评价围封质量的新方法.文中根据大堤渗流观测资料和检验指标“单位渗水率”,建立了高喷防渗墙垂直截流堤基的渗流计算公式,并得出高喷防渗墙能有效地抑制住大堤堤基的渗流形变. The Jet-grouting and High Hydro Mill used for Water Seeping intensly foundation sealing under the bankin the Northern river of Guang Dong province is presented. Based on the introduction of the characters andparameters of the Layers under the bank, the desgin and constrution parameters of the Jet-grouting and HighHydro Mill are suggested. It is analysed that sealing effect of the Jet-grouting and High Hydro Mill in different kinds of formation according to the test results of the Sealing Well of continuous wall. By using 'UnitSeepage Rate', a new kind of predicting method has been given.Based on the Seepage and Leakage information of the bank foundation, a new Seepage Flow model of thebank foundation including the wall of the Jet-grouting and Hydro Mill is set up and the seepage flow beforeand after the built of the underground Sealing Wall has been calculated. Finally the Leakage displacement ofthe bank foundation has been reduced effectively by the Sealing Wall of the Jet-grouting and High HydroMill.
作者 林叔忠
出处 《西安地质学院学报》 1994年第1期83-93,共11页
关键词 堤基 防渗 高压喷射灌浆 Northern river bank Bank foundation Sealing Wall of the Jet-grouting and High Hydro Mill Sealing effect
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