1·The model in this paper has few parameters and can reflect the aspects of load transfer function, such as hardening, softening and affects of confining stress.
模型具有参数较少且确定简单的特点,能反映荷载传递函数的性质,如硬化与软化,以及围压的影响。
2·Effect of initial mean effective stress on the behavior is examined by tests under undrained cyclic loading at several initial confining stresses with the same stress rations.
试验初步研究了通过用初始有效平均正应力归一化的有效应力路径,归一化有效应力路径有很好的一致性。
3·The plastic deformation of expansive clay can be reflected on the height, area and volume changes of soil body, but more significantly on height change due to the confining stress.
在侧限作用下,膨胀土体的范性变形在高度、面积及体积上均有所体现,但在高度方向上的发育最为充分;
4·Triaxial compression test with the remolded deep clay shows that its fraction Angle is lower than that of the common shallow clay, and the strength envelope deflects with high confining stress.
对深部黏土重塑土的常规三轴试验表明,其内摩擦角较一般浅层黏土低,而且在高围压下强度包线出现向下的转折。
5·Confining stress and consolidation ratio have little effect on damping ratio of the asphalt concrete, and the damping ratio has decreasing tendency along with the increasing of the temperature.
围压和固结比对沥青混凝土的阻尼比没有多大影响,阻尼比随着温度的升高有着降低的趋势。
6·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。
7·The pseudo-triaxial compression tests and confining pressure reduction tests were carried out for coal specimen strengths in different stress on servo-controlled testing machine.
基于在伺服试验机对煤样的常规三轴压缩和三轴卸围压试验,分析了煤样在不同应力条件下的强度和变形特征。
8·That the stress drops of natural earthquakes are not as great as that of laboratory experiment is caused by confining, stiffness.
天然地震应力降低于室内粘滑应力降是由围压介质刚度引起的。
9·Under the higher confining pressure, the shearing strength and the differential stress between the compression strength and confining pressure tend to be the constant.
至更高围压后,抗压强度与围压的应力差、抗剪强度将趋于某一常数。
10·The dynamic strength and parameters were determined, and some influential factors, such as particle composition, confining pressure, consolidated stress ratio and dynamic stress, were discussed.
确定了尾矿料的动力强度和动力参数。并探讨了颗粒组成、固结围压、固结压力比、动应力对动强度的影响。