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 8

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

Type	Different members	Typical elements	Maximum PTS (MPa)	PTS ratio	Maximum PTS (MPa)	PTS ratio	Maximum PTS (MPa)	PTS ratio
			1.0 (cm/s)		3.0 (cm/s)		6.0 (cm/s)
Main structure	Longitudinal wall	H116939	0.034	1.00	0.058	1.00	0.098	1.00
Local members	Balcony	H65943	0.24	7.06	0.16	2.76	0.22	2.24
	Partition wall	H99337	0.27	7.94	0.37	6.38	0.49	5.00
	Front parapet wall	H90876	0.51	15.00	0.60	10.34	0.70	7.14
Stress concentration	Window corners	H117694	0.34	10.00	0.28	4.83	0.38	3.88
	Door corners	H86620	0.70	20.59	0.71	12.24	0.99	10.10
	Window corners of side wall	H101479	0.55	16.18	0.65	11.21	0.80	8.16
Floor and wall contact area	First floor and wall contact area	H137665	0.35	10.29	0.36	6.21	0.40	4.08