Research Article

Dynamic Response Characteristics of the Structures under Excavation by High-Efficiency Blasting in the Urban Ultradeep Foundation Pit

Figure 8

Stress nephogram of blasthole blasting: (a) no. 1 blasthole (t = 30 ms), (b) no. 3 blasthole (t = 120 ms), (c) no. 4 blasthole (t = 150 ms), and (d) no. 6 blasthole (t = 240 ms).
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(b)
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(d)