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- confined water head 承压水头
- He jump into the water head over heels. 他头向下地跳进水里。
- No combined exploitation of phreatic water and confined water already polluted may be permitted. 对已受污染的潜水和承压水，不得混合开采。
- The confined water is subject to seasonal pumping and its water level variation pattern is influenced by groundwater extraction. 限制性水源取决于季节水量变化而得,它的水位变化受到地下水的抽取量的影响。
- 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。
- The groundwater in Qian an County includes the pore phreatic water,the pore confined water of the Quaternary period and up Tertiary cranny pore confined water. 乾安县地下水主要有第四系孔隙潜水、第四系孔隙承压水、上第三系裂隙孔隙承压水。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo... 指出对于厚底板隔水层,原岩应力起着阻止底板承压水上升和突出的作用,对于薄底板隔水层,原岩应力起着破坏底板、导致承压水突出的作用。
- Some abnormal fetuses (such as water head, Dandy- Walker's syndrome etc) showed significant extension of WPCF. 部分畸形胎儿如脑积水、典型Dandy-Walker综合症等WPCF明显增宽。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo. 介绍了水力压裂应力测量的原理和现场测量结果,论述了煤层底板隔水层带的阻水机理和承压水沿煤层上升的机理,以及原岩应力、水压与裂隙扩展的关系。
- It is also part of the watertight envelope, and subject to the local water head. 它也作为部分水密外壳，并受地方水流影响。
- 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。
- The Qiantangjiang River crossing tunnel in Qingchun Road in Hangzhou was facing the serious problem which is caused by the confined water in the paleochannel of Qiantangjiang. 杭州市庆春路钱塘江过江隧道工程中所遇到的钱塘江古河道承压水给基坑工程造成了很大的困难。
- The results indicate that orifice efficient water head is total water head and is not hydraulic head for uniform discharge along porous pipe. 结果表明，对沿途均匀泄流管道来说，其作用水头不能仅以压头为计算依据，而应以总水头为准。
- ZHENG Jian-sheng,ZHANG Ke-ping,ZHANG Li-feng.Inrushing of the bottom for confined water pit foundation and its treatment method[J].Tunnel Construction,2003,25(5):25-27. [5]郑剑升;张克平;章立峰.;承压水地层基坑底部突涌及解决方法[J]
- Such material can confine water in an artesian aquifer. 这样的介质能把水控制在承压含水层中。
- Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case. 高坝洲水电站由于设计水头较高,设计单位建议采用预应力钢筋混凝土蜗壳。
- It indicates that under the design water head condition, the ogee gates work safely in operation, miter gates can open and shut steadily. 监测成果表明押在设计水头运行条件下,反向弧形阀门在启闭过程中运行是安全的,人字门在启闭过程中运行平稳。
- But water head loss of filter for aluminium sulphate polysilicate application will grow quicker than that for aluminium sulphate . 残留的铝含量降低，而残留硅的含量没有增加，但投加聚硅硫酸铝会导致滤池水头损失增加。
- Gradation of sand column and sediment concentration of muddy water and water head are remarkably effective factors for the fine grain distribution in sand column. 砂柱的颗粒组成、水含沙量和入渗水头对滞留分布产生显著的影响。
- 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。
