1) pressure relief shaft
减压竖井
1.
The effect of tunnel hood and pressure relief shaft reducing peak-pressure and peak-pressure grade was tested and analyzed.
采用模型试验方法,对缓冲设施、减压竖井降低压缩波峰值和压力梯度峰值的效果进行了测试分析。
2) shaft-earth-pressure
竖井地压
1.
With the aid of the method of finite differences, we get the slip line field around a shaft, and analysed the law of the development of shaft-earth-pressure.
并借助有限差分法求解竖井周围的滑移线场，分析了竖井地压的作用与变化规律。
3) high-pressure shaft
高压竖井
4) the vertical fracturing well
竖直压裂井
1.
In order to clearly understand the characteristics of the vertical fracturing wells and multiple laterals horizontal wells in coal bed methane production,based on well drilling and completion,the measures and principles increasing production,in this paper,the production mechanism of two kinds of coal bed methane wells is stated.
针对我国煤层气多分支水平井和竖直压裂井的生产特点,从垂直压裂井与多分支水平井的钻完井方式、增产措施、增产原理等方面阐述了两种煤层气井产气机理的异同;根据地下水流动特点及各自钻完井方式,结合达西定律得出两种煤层气井排采过程中压力动态变化模型;根据地层供液能力及各排采阶段主要任务,把煤层气井饱和水阶段的工作制度划分为排采调整和稳定降液两个过程;把气水两相流阶段的工作制度划分为排采制度适应过程、井底压力稳定下降过程、控压稳产过程及配产生产过程共4个过程。
5) relief wells
减压井
1.
This paper analyzes the silting cause of relief wells and puts forward a reversible washing method to restore well relieving effect which is by pumping or pumping-in water to the well.
文章分析了减压井淤堵失效原因,提出了往返式循环抽注水双向洗井技术,并进行现场井试验。
2.
Although 100 more relief wells had constructed at landside toe of the embankment but never attained the presupposed effect due to silting year by year.
文中通过大堤原观资料分析，论证了其现状和减压井逐年淤堵趋势；由室内和现场洗井试验，探求了一种恢复减压井效用的方法。
3.
Considering this characteristic,some engineering measures such as a suspended cut off wall and relief wells were adopted and the groundwater monitoring system was set up.
经过分析,利用城区渗流场具有的两河间单向渗流的特性,采取悬挂式截渗墙、减压井等工程措施,并布置地下水监测网络。
6) relief well
减压井
1.
Reservoir immersion prediction and relief well effect analysis;
水库浸没预测及减压井效果分析
2.
Researching a new type relief well pipe with replaceable filter core;
可置换滤芯新型减压井管的研究
3.
Management on relief wells and piezometric pipes in Beijiang embankment;
北江大堤减压井、测压管管理工作存在问题分析
补充资料：弹塑性岩体内竖井地压理论
弹塑性岩体内竖井地压理论
ground pressure around shaft in elastic-plastic rock
tonsux一ng yant一ne一shuJ一ngd一yol一}un弹塑性岩体内竖井地压理论(ground pres-sure around shaft in elastie一plastie roek)在表土或软岩中掘进竖井时，若岩体只产生弹性变形，岩体是稳定的，不必计算地压。只有在产生塑性及流变变形时，才需要计算地压;竖井各水平截面上地压不等。按轴对称条件求出竖井周边位移，再求出支护位移公式，将它们联立求解，即可得到竖井地压。也可用图解法找到两条位移与应力关系曲线的交点，该点的纵坐标值即为竖井地压(见图)竖井围岩周边位移公式为: “止 U 竖井变形地压计算图 1围岩位移曲线;z支护特性曲线 a(p。s、n，，+。eos叭)厂(尸。+。.eot，t川一sin，.门导 ZG，匕P。+cicot笋，J式中“。为竖井围岩周边位移，m;a为竖井掘进半径，m;P0为原岩水平应力，重力场条件下，P0一六yI1，MPa;c，为第i层岩石粘结力，MPa;尸b为支护抗力，等于围岩作用在支护结构上的径向压力，但作用方向相反，MPa;笋，为第i层岩石内摩擦角;G.为第!层岩石剪切弹性模量;MPa。 竖井筒形支护特性方程为: l一群2厂bZ+a，尸1。， z，‘一二六舟}头‘-共一一IP，b EL右2一aZx一尸J“”式中u。为支护外半径表面的径向位移，支护与围岩密贴的情况下，“，一“、;E及产分别为支护材料的弹性模量及泊桑比;“为支护内半径，m;b为支护外半径，m;尸二为竖井变形地压，尸。一尸b，MPa。 (高磊)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条