Research Article

Ultimate Seismic Resistance Capacity for Long Span Lattice Structures under Vertical Ground Motions

Table 4

Rise amount and .

ModelSafety Factor 
Rise amount b from Rise amount from
BCJ-L2SINSIN10BCJ-L2SINSIN10

Xa20.050.020.010.210.080.030.020.15
30.070.040.060.210.110.070.060.15
40.570.280.250.210.460.410.470.15

Xb20.01−0.02−0.070.300.02−0.01−0.100.12
30.00−0.01−0.030.300.020.00−0.030.12
40.020.03−0.010.300.050.03−0.010.12

Wa20.050.020.020.060.060.020.030.04
30.070.080.030.060.070.090.040.04
40.060.050.070.060.070.090.070.04

Wb20.050.040.010.29−0.13−0.14−0.300.12
30.040.040.060.29−0.04−0.05−0.140.12
40.040.050.020.290.050.08−0.110.12