Research Article
Dynamic Response Analysis of Underground Double-Line Tunnel under Surface Blasting
Table 2
Concrete properties [
20].
| | Mid | Ro (g/cm3) | G (Mbar) | A | B | C | N | Fc (Mbar) |
| | | 2.4 | 0.114 | 0.79 | 1.6 | 0.007 | 0.61 | 3.00E − 04 | | T (Mbar) | Eps0 | Efmin | Sfmax | Pc (Mbar) | Uc (Mbar) | Pl (Mbar) | ul | | 4.00E − 05 | 1.00E − 06 | 0.01 | 7 | 1.60E − 04 | 0.001 | 0.008 | 0.1 | | D1 | D2 | K1 (Mbar) | K2 (Mbar) | K3 (Mbar) | fs | | | | 0.04 | 1 | 0.85 | −1.71 | 2.08 | 0.3 | | |
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