The existing calculation methods of inrushing for confined water foundation pit are summarized , and their shortcomings were analyzed 摘要总结了承压水基坑既有突涌稳定分析方法，分析每种方法存在的不足。
Unique hydrogeology feature of soft soil two - layer structure in wuhan city determines particularity of decreasing confined water in deep excavation 武汉地区二元结构软土层独特的水文地质特征决定了其深基坑降低地下承压水的特殊性。
This paper introduces the structure , working principle , construction process of anchored bar and the most important factor affecting constructing quality of anchored bar 摘要在邻海地区富含高承压水的土层中施工预应力锚杆支护工程的难度很大。
According to the intractable problems mentioned above , the author researches into the theories and applications of deep well dewatering for soft soil structure underground confined water 本文正是基于以上几个实际问题，对软土二元结构这一特定的地层深基坑降低承压水技术和应用展开研究。
Because the quality of the phreatic aquifer and the first confined aquifer is not good , the primary exploitation layers of the research area are the second , the third and the forth confined aquifers 由于潜水、第承压水水质较差，开采量很少，目前该区主要开采第、 、承压含水层中的地下水。
This paper summarizes the grouting technologies and construction techniques used for high grout - consuming strata , big - leakage passage , strata with high - pressure water , and karst strata 对大吸浆量地层、特大漏水通道、正在冒水的堵水、承压水条件下、岩溶地段等特殊地层的灌浆方法和施工工艺进行了总结。
In the end , this paper suggests that , the anti - inrushing stability of confined water foundation pit in soft soil area should be analyzed from perviousness and inrushing mechanism of soil at the bottom of the pit 最后分析指出，软土地区承压水基坑抗突涌稳定分析，应从坑底土透水性和土体发生突涌破坏的机理着手。
( 4 ) water flow model experiment is made and hydraulic pressure variation is observed , " the detainment and displacement " of semipervious aquifers in the process of decreasing water is also studied (四)模拟二元结构土层，进行土样渗流试验，观测水压的变化，研究弱透水层承压水在降水过程中的“滞后和位差”现象和问题。
Facing on karst groundwater in the process of yuanliangshan tunnel construction , we have collected the samples of the regional karst water and the pressure - bearing karst water , and have calculated d value with analyzing 6 d , 6 18o , t value 针对圆梁山隧道施工建设过程中面临的岩溶地下水问题，我们采集了区域岩溶水和岩溶承压水的样品，对水样做了d 、 ~ ( 18 ) o和t值测定，并计算出d值。
The method of applying monoclinal water storage structures in determining dynamic water level emphasizes on experimental calculation of the height of artesian water followed by picturing hydrodynamic field in couple with limited available data of groundwater level 采用单斜储水构造来确定水动力场的特征，其核心步骤为引用试算法，确定承压水形成高度，然后结合研究区仅有的地下水位资料，刻画水动力场。
