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

表2 SHPB试验结果

Table 2 SHPB test results

气压/MPa	循环加荷峰值/ $σ$	$\overset{ˉ}{ν}$ /(m·s^-1)	$σ_{c d}$ /MPa	$\dot{ε}$ /(1·s^-1)
0.4	0	4.3	62.49	35.32
	0.2		56.43	42.36
	0.4		50.01	48.15
	0.6		49.59	54.64
	0.8		41.78	63.52
0.5	0	5.7	64.81	34.32
	0.2		58.60	45.45
	0.4		52.38	49.22
	0.6		50.64	55.81
	0.8		41.73	67.62
0.6	0	6.2	69.19	32.14
	0.2		59.65	43.84
	0.4		53.87	45.05
	0.6		49.86	55.32
	0.8		40.07	68.22