初次计算第一次迭代左墩右墩左墩右墩7390.97406.84975.69822.19228.29231.68695.5289488.0432214.82215.6单墩等效剪力2086.92277.1单墩等效剪力4430.3作用盖梁质心力4364.1作用盖梁质心力初始轴力(KN)墩底轴力(KN)墩底轴力(KN)等效弯矩(KN.m)等效弯矩(KN.m)等效弯矩(KN.m)单墩等效剪力(KN)作用盖梁质心力(KN)第二次迭代第三次迭代左墩右墩左墩5011.797865010.48703.9849489.75232089.02277.54366.497左柱墩刚度折减系数求解首次屈服63500.002276屈服78090.003873极限85370.007780.003888等效屈服80780.002896初始刚度2789982.4253第二刚度913587.97746a10.327453第三刚度186332.22421a20.066786右柱墩刚度折减系数求解首次屈服77840.002561屈服84020.0029840.003136极限96400.006271等效屈服91980.003026初始刚度3039437.7196第二刚度1460992.9078a10.480679墩底轴力(KN)第三刚度376635.22969a20.123916