Surface Settlement Analysis Induced by Shield Tunneling Construction in the Loess Region

Table 3

Sensitivity indexes of different influencing factors of the MSS.

Mβ = (ΔSc1/Sc1)/(Δβ/β)	(34)	Mη = (ΔSp1/Sp1)/(Δη/η)	(39)
Mω = (ΔSc2/Sc2)/(Δω/ω)	(35)	Mψ = (ΔSp2/Sp2)/(Δψ/ψ)	(40)
Mλ = (ΔSc3/Sc3)/(Δλ/λ)	(36)	Mθ = (ΔSp3/Sp3)/(Δθ/θ)	(41)
Mκ = (ΔSc4/Sc4)/(Δκ/κ)	(37)	MRd = (ΔSp3/Sp3)/(ΔRd/Rd)	(42)
Mξ = (ΔSc5/Sc5)/(Δξ/ξ)	(38)