Evaluation of the Adaptability of an EPB TBM to Tunnelling through Highly Variable Composite Strata

Table 2

Method for calculating the THA weights of V.

U/V	U1	U2	…	Um	THA weights for index set V
	u1	u2	…	um
1	11	12	…	1m
2	21	22	…	2m
⋮	⋮	⋮	⋮	⋮	⋮
n	n1	n2	…	nm