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ice pole
相关语句
  相似匹配句对
     Ice
     冰
短句来源
     Core Drilling in the Ice Sheet of the South Pole
     南极冰盖深层取心钻进技术及设备
短句来源
     Ice Princess
     冰上公主(英文)
短句来源
     CONTRIBUTION OF THE GLOBAL ICE SHEET TO THE SECULAR DRIFT OF EARTH'S POLE
     全球冰盖与地球平极的长期漂移
短句来源
     EXPLOER THE SOUTH POLE
     探索南极
短句来源
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With the basic similitude laws of model tests,a model test set of artificial seepage ground freezing with two holes was set up. According to the orthogonal designation and completion of model tests of seepage ground freezing of two holes, studied the closure time of two ice poles and the upward and downward temperature development influenced by different seepage velocity and holes space under the condition of the normal brine freezing technology. The closure time mount up sharply, when seepage velocity...

With the basic similitude laws of model tests,a model test set of artificial seepage ground freezing with two holes was set up. According to the orthogonal designation and completion of model tests of seepage ground freezing of two holes, studied the closure time of two ice poles and the upward and downward temperature development influenced by different seepage velocity and holes space under the condition of the normal brine freezing technology. The closure time mount up sharply, when seepage velocity increases from second level of 0.7 m/h to the third level of 1.0 m/h, and the seepage velocity is the most important factor effected the development of upward freezing wall. The best way to stand against water flow influence is to cut down the holes space.

根据相似准则, 建立了水渗流作用下两孔地层冻结模型试验台. 根据两孔冻结正交模型设计和试验, 研究了常规盐水冻结工艺中, 地下水渗流、孔间距等对饱和砂冻结交圈时间和上下游温度场发展的影响. 研究表明, 渗流速度从水平2 (模型渗流速度0 7m/h) 增至3水平(模型渗流速度1 0m/d) 时, 冻结壁交圈时间急速增加, 且水流速度是影响冻结壁上游厚度的主要因素, 而缩小冻结孔间距是抑制水流对交圈时间影响的最有效手段.

>=According to basic similitude laws of model tests,a model test set of seepage ground artificial freezing with two holes have been designed and carried out in the orthogonal test of ground freezing with the normal brine freezing technology, the closure time of two ice poles and the upward and downward temperature development, influenced by different seepage velocity and holes space etc was studied. The holes space is the first important factor related to closure time, while the seepage velocity is the...

>=According to basic similitude laws of model tests,a model test set of seepage ground artificial freezing with two holes have been designed and carried out in the orthogonal test of ground freezing with the normal brine freezing technology, the closure time of two ice poles and the upward and downward temperature development, influenced by different seepage velocity and holes space etc was studied. The holes space is the first important factor related to closure time, while the seepage velocity is the most important factor to the development of upward freezing wall. The best way to stand against water flow influence is to cut down the holes space.

根据相似准则,设计地下水渗流作用下两孔地层冻结模型试验,进行了常规盐水地层冻结的正交模型试验,研究了地下水流速、孔间距、盐水流量、盐水温度对饱和砂冻结交圈时间和上下游温度场发展的影响。研究表明,孔间距是影响交圈时间的第一因素,而水流速度是影响冻结壁上游厚度的主要因素, 而缩小孔间距是抑制水流对交圈时间影响的最有效手段。

 
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