Research Article

Numerical Simulation Algorithm Design of Influence on Existing Tunnel by Underpass Construction of New Tunnel

Table 2

Structural parameters of existing tunnel specimens for new tunnel underpass construction.

Specimen numberShear bearing capacity (kN)Load than (L˖D−1)The yield rate (mm˖s−1)

1547 ∗ 644352.15 (quasistatic)
2457 ∗ 644651.45
5574 ∗ 467651.22
4624 ∗ 467621.65
5475 ∗ 455851.66
6540 ∗ 454251.67
7470 ∗ 6920361.55