循环加卸载下硬岩力学特性研究

Cyclic Loading and Unloading Mechanical Properties of Hard Rock

对辉长岩进行单轴直接加载和单轴循环加、卸载实验研究。分析辉长岩试样在不同方案下的循环加、卸载实验结果,与单轴直接加载进行抗压强度、弹性模量、峰后残余强度、应力-应变曲线等参数进行比较分析。实验结果对煤岩体动力学灾害的预测具有重要参考价值。

The results of gabbro samples were analysed in different schemes under the cyclic loading and unloading experiments, compared and analysed the parameters such as compressive strength, elastic modulus, residual strength after peak, stress-strain curve and so on with the uniaxial compressive experiment. Research results have important reference value to the prediction of rock mass dynamic disaster.