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Shock and Vibration
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2020
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Article
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Tab 9
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Research Article
Study on the Vibration Effect of Short Footage Blasting Load on Surrounding Rock-Support Structure of Tunnel
Table 9
The cumulative value of displacement of each measuring point of profile 1-1 without initial support (mm).
Blasting times
Arch bottom
Arch top
Left arch waist
Right arch waist
3
29.654
28.765
28.354
28.968
4
29.877
29.745
28.976
29.983
5
32.745
32.657
31.345
31.987