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Shock and Vibration
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2019
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Article
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Tab 7
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Research Article
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