Impact Pseudostatic Load Equivalent Model and the Maximum Internal Force Solution for Underground Structure of Tunnel Lining

Table 4

Calculation comparison of test groups 3.

	Test	a①	b①	c①	d①	b②
1	324.2	207.9	330.8	367.2	436.9	352.0
2	−149.7	−259.8	−174.6	−173.5	−178.5	−198.1
3	119.6	−16.1	135.1	132.7	134.3	209.4
4	−154.0	−259.8	−174.6	−173.5	−178.5	−198.1

Note: the equivalent blasting load is 630 kN; the lateral resistance force is 56 kN/m.