Stress Response and Damage Characteristics of Local Members of a Structure due to Tunnel Blasting Vibrations Based on the High-Order Local Modal Analysis

Table 7

PCS and PCS ratio of local members under different peak particle velocities.

Type	Different members	Typical elements	Maximum PCS (MPa)	PCS ratio	Maximum PCS (MPa)	PCS ratio	Maximum PCS (MPa)	PCS ratio
			1.0 (cm/s)		3.0 (cm/s)		6.0 (cm/s)
Main structure	Longitudinal wall	H116939	0.17	1.00	0.18	1.00	0.25	1.00
Local members	Partition wall	H99361	0.53	3.12	0.57	3.17	0.69	2.76
	Front parapet wall	H41244	0.40	2.35	0.49	2.72	0.68	2.72
Stress concentration	Window corners	H30050	0.61	3.59	0.67	3.72	0.84	3.36
	Door corners	H117493	0.76	4.47	0.88	4.89	1.12	4.48
Floor and wall contact area	First floor and wall contact area	H52535	0.98	5.76	1.07	5.94	1.40	5.60