The pore pressure also strongly influences the state of stress in a formation (by as much as 50%) and is therefore a critical piece of information for designing hydraulic fracturing treatments.
孔隙压力也强烈地影响地层中的(多达50%)的应力状态，并针对设计水力压裂处理而言是一项重要信息。
Stress of surrounding concrete of each draft tube is analysed by the finite-element method under condition of the highest hydraulic pressure and the variable regularity of stress is obtained.
基于有限元法，分析了两个尾水管在各自最大内水压力条件下外围混凝土的受力，得到各自的应力变化规律和特点。
The results show that the permeability is closely related with the confined stress, hydraulic pressure and matrix suction.
结果表明，油田白垩的渗透性与其所承受的应力、渗压梯度和基质吸力都有着密切的联系。
The value of stress under hydraulic pressure test shall not exceed 90% of the yield point of the material in test temperature;
液体压力试验时的应力值，不得超过试验温度下材料屈服点的90%；
Integrate effect was estimated by measured layer gap, stress and strain through hydraulic bulge and pressure increase test.
通过在液压胀合处理及加压试验中实测的层间间隙、应力和应变来评估其贴合效果。
The hydraulic fracturing not only relieves the stress but also generates pore pressure and stress concentration, which is the new security risk.
压裂方向的不可控导致孔隙压力和地应力分布混乱，成为新的安全隐患。
Automatic control of hydraulic cylinder pressure fitting can drum up and down about the two forces balance stress.
自动式油压缸控制贴合压力，可使上下两滚筒左右压力平衡受力。
The calculation method can preferably reflect the actual stress and strain situation of hydraulic tunnel with high pressure with seepage from inner tunnel to outer tunnel.
该计算方法较好的反映了水工高压隧洞的内水外渗后实际受力变形情况。
The calculation method can preferably reflect the actual stress and strain situation of hydraulic tunnel with high pressure with seepage from inner tunnel to outer tunnel.
该计算方法较好的反映了水工高压隧洞的内水外渗后实际受力变形情况。
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