Research on Construction Safety Risk Assessment of New Subway Station Close-Attached Undercrossing the Existing Operating Station

Table 3

Entropy value and entropy weight of each third-level index in the second-level index “station structure (A₁).”

Third-level Index	Entropy Value	Entropy Weight
A11 Radial displacement of the station structure	0.613	0.326
A12 Absolute settlement value of station structure	0.865	0.114
A13 Horizontal displacement of the station structure	0.873	0.107
A14 Station structure floating	0.754	0.207
A15 Differential settlement of station structure deformation joint	0.869	0.111
A16 Crack width of station structure	0.840	0.135