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- initial effective confining pressure 初始有效围压
- effective confining pressure 有效围压
- Three groups of experiments have been designed so as to analyze the confining pressure effect of rock under the action of cyclical impact loading. 为研究岩石循环冲击荷载作用下损伤的围压效应,对大理岩试件在压力试验机上进行模拟冲击加载,测试受冲击后试件轴向超声波波速。
- Constitutive equations for crack-weakened rock mass and SIF under confining pressure unloading with crack interaction effect were determined, and the numerical results were given. 文中推导了考虑裂隙间的相互作用情况下裂隙岩体围压卸荷过程的应力应变关系及应力强度因子表达式,且进行了数值计算。
- When DTH drilling in high confining pressure, its border condition has changed. 摘要潜孔锤在高围压工况下钻进,边界条件发生了变化,需要重新进行研究。
- Confining pressure increase rock strength, decrease damages rate of rock creep. 在热力学框架内推导了岩石材料的蠕变损伤本构关系。
- The effective elastic moduli, Eed and Eem, of dry and moist gouge and the initial elastic modulus, Eom, of moist gouge increase with increasing confining pressure, and the initial elastic modulus, E0d, of dry gouge is nearly constant. 干、湿断层泥有效弹性模量E_(ed)和E_(em)以及(潮)湿断层泥的初始模量E_(om)均随围压增加而增加;但干断层泥初始弹性模量E_(od)近似保持常数。 同时;E_(od)
E_(ed)。 - Confining pressure applied by the reinforcement is a function of the lateral strain of concrete. 钢筋施加的侧向压力是混凝土的侧向应变的函数。
- The number on the curves are the values of the confining pressure in atmosphere. 曲线上的数字表示围压的大气压值。
- THE CHANGE OF HYDROXYL IN HORNBLENDE AT CONFINING PRESSURE 3Kb AND TEMPERATURE 700? 围压3千巴、温度700℃时角闪石羟基的变化
- The results show that peak stress of rock specimens increases with confining pressure. 研究结果表明,岩样的峰值应力都随着围压的增大而增大。
- The influence of confining pressure change and coal cleat on gas permeability is studied by experiments. 本文介绍了钏路煤层及相关割理系统的特性,通过试验研究了围压变化和煤层割理对气体渗透性的影响。
- Under higher confining pressure, shear failure occurs and under lower confining pressure creep failure occurs. 土体在达到峰值前经历了很长的塑性变形阶段。
- The influence of confining pressure on triaxial strength was obtained, which can be used to study the yield and ... 通过理想强度与实际强度的差异,讨论了岩石材料的缺陷程度,并给出了强度准则。
- In the meantime, the pore pressure also increased with the increase of confining pressure. 同时,孔隙水压力值也随着周围压力的增大而明显增大。
- The fractal dimension of sandstone fragment distribution increases with the increasing of confining pressure. 随着围压(有效压应力)的增加,砂岩破碎碎屑的分维增大。
- Unloading confining pressure tests could be controlled by stress and deformation. 卸荷试验包括应力控制和变形控制两种方法。
- When DTH drilling in high confining pressure, its border condition has changed.So new software need to be developed. 潜孔锤在高围压条件下钻进,边界条件发生了变化,需要开发新的软件。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。