A mechanical model is built firstly for single microcrack under uniaxial compression loading, and the stress component of microcrack end is calculated.
首先建立单一微裂纹在单轴压缩荷载作用下的力学模型，求出裂纹端部的应力分量。
The test results show that: the hard brittle marble obviously performs time-lagged destruction under long time of pre-peak stress uniaxial compression.
试验结果表明：在应力峰值前的长时间单轴压缩作用下，硬脆性大理岩的破坏表现出明显的时滞性；
Simple reference states can be used to solve engineering problem. Through simulating the overall curvature of rock's stress-strain relationship under uniaxial compression, parameters are attained.
解决工程问题时，可以选择简单的参考状态，并用拟合岩石单轴受压的全过程应力应变关系曲线确定扰动因子的参数。
Comparing with the uniaxial compression, the Young's modulus and the yield stress of the biaxial compression increase obviously.
与单轴压缩相比较，双轴压缩的弹性模量和屈服应力有明显的提高。
The results showed that the peak-stress, peak-strain and toughness of high-strength concrete under uniaxial compression are affected in different extents by the content of steel fiber;
试验表明，钢纤维掺量对高强混凝土单轴受压的应力峰值、峰值应变及韧性产生了不同程度的影响；
The physical meaning of complete stress-strain curve of rock at each stage is discussed under true uniaxial compression.
讨论了单轴压缩条件下岩石全应力-应变曲线各个阶段的物理含义；
The physical meaning of complete stress-strain curve of rock at each stage is discussed under true uniaxial compression.
讨论了单轴压缩条件下岩石全应力-应变曲线各个阶段的物理含义；
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