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vacuum well
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  真空井
     Construction Technique of Soft Ground Reinforcement Combined with Dewatering and Preloading for Vacuum Well Point
     真空井点降水联合加固软土地基的施工技术分析
短句来源
     Based on the application of construction technique of improved soft ground reinforcement with dewatering and preloading for the vacuum well point in practical engineering,the effect of this technique,the effective reinforcement depth and the change of effective stress were studied through observing the construction settlement in practice and analysing from theory.
     根据工程实际情况,应用真空井点降水联合加固软土地基的施工方法,通过施工沉降观测和理论分析,对真空井点降水联合预压加固软土地基的施工技术及加固有效深度、有效应力的变化问题进行了研究。
短句来源
     The paper states the design, construction technology and experience for the consolidation of soft soil ground base with heaped pre compression method and vacuum well point dropping heaped combied pre compression method with the combination of the actual project.
     本文结合实际工程论述了堆载预压法和真空井点降水堆载联合预压法加固软土地基的设计、施工技术与经验。
短句来源
     The practice proves that even if the stage of the construction is not so sufficient, provided the application is proper, the heaped pre compression method and vacuum well point dropping heaped combined pre compression method can effectively reduce the settlement after the construction and eliminate the jumping at the bridge head in a certain geological condition.
     实践证明 ,在一定的地质条件下 ,即使工期不很充分 ,只要运用得当 ,堆载预压法和真空井点降水堆载联合预压法能够有效地减小工后沉降 ,消除桥头跳车
短句来源
     It is seen thatgrouting and vacuum well point are useful in reducing post construction settlements and the change of longitudinal grade alongthe roadway.
     结果表明,注浆加固和真空井点降水后有一定的加固作用,其工后沉降减小,纵坡变化减小。
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  相似匹配句对
     The progress of the vacuum baking system is introduced as well.
     对真空烘烤装置的初步工作也作了介绍。
短句来源
     Discussion on Issues of Vacuum Point Well in Dewatering Engineering
     真空点井降水工程中有关问题的探讨
短句来源
     On the Interjection Well
     谈谈感叹词well
     Vacuum Microelectronics
     真空微电子学的新发展
短句来源
     h as well as 6 ?
     h,还有6 ?
短句来源
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In this paper, new methods was put forwarcl to control the water hazard in mines on the condition that the rock formation of seepping water into mines is the low permeability aquifer. The methods are vacuum well discharge method, air injection increasing pressure discharge methods and the combination method of two ways metioned above. Furthermore, the principles of the methods were elaborated, the efficiency of the methods was demonstrated and the implementation processes of the technology of the methods...

In this paper, new methods was put forwarcl to control the water hazard in mines on the condition that the rock formation of seepping water into mines is the low permeability aquifer. The methods are vacuum well discharge method, air injection increasing pressure discharge methods and the combination method of two ways metioned above. Furthermore, the principles of the methods were elaborated, the efficiency of the methods was demonstrated and the implementation processes of the technology of the methods were designed.

本文针对充水岩层为低渗透性弱含水层条件,对矿床开采产生的水害的治理提出了新的方法:真空井疏干法、注气加压驱动疏干法及联合疏干法。阐述了其原理,并论证了其有效性,并从工程上具体设计了这些方法的实施过程。

in this paper presented are the results of monitoring of settlement of ground. layer-wise settlement. ground waterlevel and pore water pressure for approaches to bridge abutments on soft soil foundation. Settlements. settlement distributionalong the roadway. compression in the vertical section and the change of pore water pressure have been studied. It is seen thatgrouting and vacuum well point are useful in reducing post construction settlements and the change of longitudinal grade alongthe roadway. and...

in this paper presented are the results of monitoring of settlement of ground. layer-wise settlement. ground waterlevel and pore water pressure for approaches to bridge abutments on soft soil foundation. Settlements. settlement distributionalong the roadway. compression in the vertical section and the change of pore water pressure have been studied. It is seen thatgrouting and vacuum well point are useful in reducing post construction settlements and the change of longitudinal grade alongthe roadway. and that settlement lies mainly in the grey mucky layers.

介绍了软土地基上桥坡的沉降、分层沉降、水位及孔隙水压力的监测成果。分析了桥坡沉降、沿桥坡纵向的展开曲线,桥坡沉降的竖向分布规律及孔隙水压力的变化。结果表明,注浆加固和真空井点降水后有一定的加固作用,其工后沉降减小,纵坡变化减小。从桥坡沉降的竖向分布规律来看,主要压缩量发生在灰色淤泥质土层中。

! Foundation pit project of Zhengda Plaza in Pudong New Area is one of the macro-type deep foundation pit engineerings in soft soil foundation of Shanghai area. By adoping"layered dewatering method for pipe well points linking with light-type vacuum well points ",the problems of drainage, pressure relief and float-resistance have been solved. moreover.it not only have saved the cost but also satisfied the requests for stability of foundation pit bracing structure and the environmental protection.

上海浦东正大广场基坑工程是上海地区软土地基中特大型深基坑工程。采用“管井井点联合轻型真空井点分层降水法”较好地解决了疏干、减压、抗浮等问题,既节省造价,又满足了基坑支护结构的稳定和环保要求。

 
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