Table 2: Comparison of suspended-dome of 80m span between different missing conditions.

Comparison of Parameters Numbers of Missing Column
none 1 2 3 4
Maximum member specifications Φ180×8 Φ219×10 Φ219×10 Φ402×14 Φ500×16
Displacement, mm 48 49 66 101 110
Maximum support reactions, kN 283 438
(1.55)
615
(2.17)
1897
(6.70)
2637
(9.31)
Amount of steel, kg/m2 64.27 64.27 64.31 64.8 65.13
Limit load factors 3.8 3.79 3.78 3.42 3.15

Note: Data in brackets is the ratio of the current data to the normal.