Table 2: Initial lateral stiffness and the bearing capacity of the steel slit wall.

Specimens numberBearing capacity (kN)Initial lateral stiffness (kN⋅mm−1)
(%) (%) (%)

 W1725.37719.820.77146.27122.12119.2422.68 2.42
 W3860.43850.750.14179.77144.82139.1029.24 4.12
 W51279.011202.716.34268.22 201.23188.5542.25 6.72
 W71290.641241.503.96325.56 253.17243.2633.83 4.07
 W9645.32634.401.7296.05 85.2884.2214.05 1.26
 W11444.35417.636.4032.97 33.3934.53−4.51 −3.30
 W12322.66308.894.4614.47 16.0415.23−4.98 5.32
 W15502.76475.645.7032.95 33.3936.36−9.39 −8.18
 W16362.68351.783.1024.71 25.8825.69−3.79 0.77
 W17282.28274.392.8719.77 20.9221.04−6.06 −0.61
 W20639.51620.643.0463.63 58.1962.601.66 −7.05

 W2725.37639.7813.3885.81 69.2665.0331.97 6.52
 W4860.43732.0317.54109.82 84.2185.8727.89 −1.93
 W61279.01941.5135.85183.92 124.94131.1940.19 −4.77
 W81290.64941.0937.14242.49 167.65152.5059.01 9.94
 W10645.32517.7024.6553.18 54.0349.856.68 8.38
 W131195.52864.9238.22114.41 90.9395.2620.11 −4.54
 W14739.07491.0050.5268.65 57.4655.5523.57 3.44
 W181290.64941.0437.15193.19 131.22129.3949.31 1.42
 W191918.511079.5377.72282.97 167.55175.2961.43 −4.42