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Table 5 Summary of the capacity of the remaining structure considering the stiffness of the isolation layer and the type of isolation bearings

From: Study on mechanism and influential factors of progressive collapse resistance of base-isolated structure

Working model

Beam mechanism peak (kN)

Beam mechanism displacement (mm)

Catenary peak (kN)

Catenary displacement (mm)

Bearing displacement

Umin

Umax

C1

175.9

20

-

-

-

-

C2

11.4

23

-

-

-

-

C3

164.8

18

-

-

-

-

C4

163.6

20

109.3

142

−22

22

C5

99.7

23

-

-

-

5

C6

157.7

18

112.4

150

−23

21

C7

158.23

20

109.2

142

−20

20

C8

96.9

17

-

-

-

4

C9

136.1

18

110.2

150

−22

21

C10

136.4

20

109.3

-

−23

−23

C11

97.6

17

-

-

-

4

C12

156.5

19

109.1

149

−22

21