| 
		 
		基于声发射矩张量分析混凝土破坏的裂纹运动 1)
		  | 
	
| 
			 
			INVESTIGATION ON CRACK GROWTH IN CONCRETE BY MOMENT TENSOR ANALYSIS OF ACOUSTIC EMISSION 1)
			 
		 | 
	
| 
		 图11. 不同应力水平下混凝土试件内裂纹演化(试件2)  | 
	
Fig.11. Evolution of cracks in concrete specimens under different stress state (specimen 2)  | 
	
	![]()  |