不同损伤程度砂岩相似材料动态力学性能试验研究
王倩倩,徐颖,汪海波,郑强强,倪贤,胡浩

Experimental Study on Dynamic Mechanical Properties of Similar Sandstone Materials with Different Damage Degree
Qianqian WANG,Ying XU,Haibo WANG,Qiangqiang ZHENG,Xian NI,Hao HU
图3 不同加载速率下的变阈值动态应力—应变曲线图
注:无损表示试块未进行单轴循环加卸载试验处理;20%、40%、60%及80%为进行循环加卸载试验处理的循环阈值
Fig.3 Dynamic stress-strain curves with variable threshold loading rates