confined water
[地质] 承压水;受压水
2025-12-16 12:18 浏览次数 19
[地质] 承压水;受压水
groundwater systems have shallow phreatic water-confined water system and medium layer confined water system.
地下水系统具有双层含水结构:浅层潜水——承压水系统和中层承压水系统。
with the application of hydrogen and oxygen isotopes(2h, 3h and 18o) and carbon isotope(14c), the recharge and renewability of confined water in yinchuan plain have been analyzed.
利用地下水氢氧同位素(2h、3h和18o)和碳同位素(14c)方法,分析银川平原承压水的补给更新能力。
how to estimate the settlement caused by pressure-relief of confined water has been a research focus in the academic and engineering fields.
如何评估承压水降压引起的地面沉降是工程界十分关心的问题。
following ever-deeper the foundation pit has been excavated in urban construction, more and newer requirements on confined water are being put forward.
城市建设中基坑越来越深,对降承压水提出新的要求。
in order to explore the effect of ambient pressure on jet flow field in deep well and ultra-deep well, a physical model for flow field of confined water jet at bottom hole was established.
考虑到深井、超深井中井底围压对射流流场有一定的影响,建立了井底受限射流流场的物理模型。
observation and research show that the affecting degree of yangtze river on confined water dynamics decreases with distance from the river, the effect being inversely linear proportional to distance.
观测研究表明,长江对承压水动态的影响程度随距离的增加而减弱,二者成分段线性反比的关系。
2 coal mine, the preliminary test mining above the high confined water at 6112 , 6113 and 652 mining work face is designed in liuqiao no.
在淮北地区承压水上开采煤层的经验基础上,结合刘桥二矿实际,设计刘桥二矿以61 12、61 1 3、652工作面为代表的高承压水上初步试验开采。
with the increase the depth of foundation pits, the problems of confined water have become more and more important in deep foundation pit projects in shanghai.
随着基坑开挖深度的增加,上海地区深基坑工程的承压水问题日益突出。
during the test and production of in-situ leaching of sandstone deposit, it is very difficult and complicated to exploit boreholes when confined water head of ore-bearing acquifer is quite low.
在砂巖矿床的地浸试验和生产中,含矿含水层地下水承压水头很低时,地浸鉆孔的开拓难度很大且工艺复杂。
abstr: the deep mining area of the chenslou coal mine based on the actual situation is studied the high confined water treatment technology.
文章摘要:根据陈四楼煤矿深部采区实际情况,研究其高承压水治理技术。
because of the influence of mining, the permeability of footwall strata varies obviously. confined water from ordovician limestone might inrush into gob region.
由于受采动的影响,煤层巖层的渗透能力会发生明显的变化,有时会导致承压水突入采空区。
the deep confined water has been overdrafted in city proper of yuncheng, however, the shallow ground saline water has not been understood and developed.
运城市城区地下深层承压水严重超采,地下浅层咸水一直未被人们充分认识和利用。
the cretaceous confined water is an important water source in siping city, which contains middle water capacity.
白垩系承压水是四平市重要的供水水源地,水量中等。
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。
the technical scheme and the construction technology of water blockage by confined water grouting bottom sealing on the foundation rock are introduced in the paper.
介绍在台儿庄船闸工程中,所采用的基巖承压水注浆封底堵水技术方案及其施工工艺。
the paper introduces the distribution and utilization of confined water of intermediate focal depth in huaibei plain, and analyses some relevant questions about it.
介绍淮北平原在中深层地下水分布及开发利用,对与中深层地下水开发利用相关问题进行了分析。
so, it is used to forecast the confined water funnel level. the case shows that the forecasting results of the model preferably.
将神经网络模型用于承压水漏斗的动态水位预报,实例表明:模型预报效果较好。
because of high permeability and high confined water head in substrata, the cutoff grouting is very important to construction of manholepile.
由于地层渗透系数大、承压水头高,截水帷幕的施筑是挖孔桩施工的关键。
based on the result, the mechanism of instability in the floor with confined water is studied and the instable position is forecasted.
根据模拟结果,分析了承压水底板失稳的机理,对承压水底板的突水部位进行了预测。