Table 5: Previous results of lattice arch and double layer cylindrical lattice roof [10].

ModelSafety factor   Rise amount from 
BCJ-L2KOBETAFTBCJ-L2KOBETAFT

Plane lattice arch
 P19.68 1.74 1.82 1.89 0.08 0.15 0.01 3.0
1.99 2.80 2.64 0.80 0.65 0.01 6.0
 P210.51 1.29 1.48 1.55 0.19 0.27 0.07 3.0
1.58 2.01 1.78 0.44 0.21 0.02 6.0
 PR15.17 1.28 1.33 1.47 0.06 0.19 0.03 3.0
1.58 1.61 1.73 0.04 0.15 0.01 6.0
 PR23.56 2.08 2.07 2.71 −0.01 0.63 0.29 3.0
3.05 2.93 3.85 −0.12 0.81 0.14 6.0
Double-layer lattice roof
 SSR16.341.51 2.61 2.46 2.49 1.10 0.95 0.98 0.13 3.0
1.97 3.08 2.65 3.36 1.11 0.68 1.39 0.05 6.0
 SSR26.991.42 2.65 2.21 2.11 1.23 0.79 0.70 0.10 3.0
1.82 2.65 2.42 2.29 0.83 0.60 0.47 0.04 6.0