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

Table 16

Summary table of the axial force formula.

Load	Range	Axial force value
Equivalent load of curve impact
	Equivalent load of triangle impact
Equivalent load of uniform impact
	Equivalent load of concentrated impact
Resistance of lateral impact
	Opposite force distribution of triangle
Opposite force distribution of uniform