Constraint Embankment Construction to Prevent the Collapse of Underground Caves

Table 4

Solutions of UBH.

Tensile strength of rock mass	Analytical solution			Numerical solution
	Scheme 1	Scheme 2	Scheme 3
Estimation based on the Hoek–Brown criterion	NEG	NEG	NEG	6.0
Estimation proposed by Tokashiki	NEG	5.5	2.0