52 52 53 53 54 54 I[52] J[53] I[53] J[54] I[54] J[55] 1.88 1.88 0 0 0 0 551.01 551.01 551.01 551.01 0 0 1432.64 330.61 330.61 0 0 0
图3-9 弯矩图
图3-10 剪力图
（2）最小沉降
表3-6 最小支座沉降下的内力 单元 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9
位置 I[1] J[2] I[2] J[3] I[3] J[4] I[4] J[5] I[5] J[6] I[6] J[7] I[7] J[8] I[8] J[9] I[9] J[10] 轴向 (kN) 0 0 0 0 -1.89 -1.89 -14.18 -14.18 0 0 0 0 -2.96 -2.96 -7.71 -7.71 -15.69 -15.69 31
剪力-z (kN) 0 0 -551.85 -551.85 -551.84 -551.84 -551.66 -551.66 -551.85 -551.85 -551.85 -551.85 -551.84 -551.84 -551.79 -551.79 -551.62 -551.62 弯矩-y (kN·m) 0 0 0 -331.11 -331.11 -1434.8 -1434.8 -2538.49 -2538.49 -3862.92 -3862.92 -4966.62 -4966.62 -7174 -7174 -9381.39 -9381.39 -11588.8
10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31
I[10] J[11] I[11] J[12] I[12] J[13] I[13] J[14] I[14] J[15] I[15] J[16] I[16] J[17] I[17] J[18] I[18] J[19] I[19] J[20] I[20] J[21] I[21] J[22] I[22] J[23] I[23] J[24] I[24] J[25] I[25] J[26] I[26] J[27] I[27] J[28] I[28] J[29] I[29] J[30] I[30] J[31] I[31] -17.29 -17.29 -25.73 -25.73 -42.28 -42.28 -46.48 -46.48 -58.44 -58.44 -19.65 -19.65 0 0 0 0 -24.55 -24.55 -73 -73 -58.05 -58.05 -52.81 -52.81 -32.14 -32.14 -21.6 -21.6 -19.6 -19.6 -9.63 -9.63 -3.69 -3.69 0 0 0 0 -3.69 -3.69 -9.63 -9.63 -19.6 32
-551.58 -551.58 -551.25 -551.25 -550.22 -550.22 -549.89 -549.89 -548.74 -548.74 -551.5 -551.5 -551.85 -551.85 -689.29 -689.29 -688.85 -688.85 -685.41 -685.41 -686.84 -686.84 -687.26 -687.26 -688.54 -688.54 -688.95 -688.95 -689.01 -689.01 -689.22 -689.22 -689.28 -689.28 -689.29 -689.29 -689.29 -689.29 -689.28 -689.28 -689.22 -689.22 -689.01 -11588.8 -13796.2 -13796.2 -16003.5 -16003.5 -17935 -17935 -19866.5 -19866.5 -20970.2 -20970.2 -21522 -21522 -22073.9 -22073.9 -21384.6 -21384.6 -20695.3 -20695.3 -19316.7 -19316.7 -16904.2 -16904.2 -14491.7 -14491.7 -11734.5 -11734.5 -8977.38 -8977.38 -6930.98 -6930.98 -5248.05 -5248.05 -5246.77 -5246.77 -5246.45 -5246.45 -5246.13 -5246.13 -5244.85 -5244.85 -6905.06 -6905.06
31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50 51 51 52 52
J[32] I[32] J[33] I[33] J[34] I[34] J[35] I[35] J[36] I[36] J[37] I[37] J[38] I[38] J[39] I[39] J[40] I[40] J[41] I[41] J[42] I[42] J[43] I[43] J[44] I[44] J[45] I[45] J[46] I[46] J[47] I[47] J[48] I[48] J[49] I[49] J[50] I[50] J[51] I[51] J[52] I[52] J[53] -19.6 -21.6 -21.6 -32.14 -32.14 -46.24 -46.24 -67.64 -67.64 -73 -73 -24.55 -24.55 0 0 0 0 -19.62 -19.62 -58.36 -58.36 -46.41 -46.41 -42.21 -42.21 -25.69 -25.69 -17.27 -17.27 -15.67 -15.67 -7.7 -7.7 -2.95 -2.95 0 0 0 0 -14.16 -14.16 -1.88 -1.88 33
-689.01 -688.95 -688.95 -688.54 -688.54 -687.74 -687.74 -685.96 -685.96 -685.41 -685.41 -688.85 -688.85 -689.29 -689.29 -551.01 -551.01 -550.66 -550.66 -547.92 -547.92 -549.06 -549.06 -549.4 -549.4 -550.42 -550.42 -550.74 -550.74 -550.79 -550.79 -550.96 -550.96 -551.01 -551.01 -551.01 -551.01 -551.01 -551.01 -550.83 -550.83 -551.01 -551.01 -8944.11 -8944.11 -11701.3 -11701.3 -14458.4 -14458.4 -17215.6 -17215.6 -19283.4 -19283.4 -20662 -20662 -21351.3 -21351.3 -22040.6 -22040.6 -21489.6 -21489.6 -20938.6 -20938.6 -19836.5 -19836.5 -17908 -17908 -15979.4 -15979.4 -13775.4 -13775.4 -11571.3 -11571.3 -9367.25 -9367.25 -7163.19 -7163.19 -4959.13 -4959.13 -3857.1 -3857.1 -2534.67 -2534.67 -1432.64 -1432.64 -330.61
53 53 54 54 I[53] J[54] I[54] J[55] 0 0 0 0
-551.01 -551.01 0 0 -330.61 0 0 0
图3-11 弯矩图
图3-12 剪力图
3.6 活载组合
3.6.1 主力组合
（1）最大恒载+最大活载组合内力
表-7 最大恒载+最大活载组合内力表
单元 1 1 2 2 3 3 4 4 5 5 6 6 7 7
位置 I[1] J[2] I[2] J[3] I[3] J[4] I[4] J[5] I[5] J[6] I[6] J[7] I[7] J[8] 轴向 (kN) 0 0 0 0 -10.55 -7.18 -53.95 -31.5 0 0 0 0 4.19 -5.29 34
剪力-z (kN) 0 805.75 -3391.34 -3085.59 -3085.57 -2099.38 -2098.7 -1225.41 -1225.82 -273.12 -273.12 574.45 574.44 2353.1 弯矩-y (kN·m) 0 -91.72 -91.72 2879.05 2879.05 11220.02 11220.02 17291.3 17291.3 21910.75 21910.75 23609.7 23609.7 21329.68
8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29
I[8] J[9] I[9] J[10] I[10] J[11] I[11] J[12] I[12] J[13] I[13] J[14] I[14] J[15] I[15] J[16] I[16] J[17] I[17] J[18] I[18] J[19] I[19] J[20] I[20] J[21] I[21] J[22] I[22] J[23] I[23] J[24] I[24] J[25] I[25] J[26] I[26] J[27] I[27] J[28] I[28] J[29] I[29] -13.79 -38.42 -78.19 -128.32 -141.42 -196.91 -292.99 -376.25 -618.22 -740.82 -814.42 -952.71 -1198.06 -1296.75 489.24 510.62 0 0 0 0 518.34 497.27 -1309.36 -1210.67 -962.74 -830.31 -755.27 -639.54 -389.23 -307.72 -206.81 -152.6 -138.46 -89.61 -44.03 -20.11 -7.71 1.46 0 0 0 0 1.49 35
2352.91 4127.02 4125.75 5900.25 5899.73 7681.34 7676.76 9471.34 9453.78 11057.64 11050.83 12710.07 12683.65 13659.39 13727.93 14327.68 14336.78 15090.15 -13669.5 -12939.4 -12931.2 -12355.3 -12293.7 -11367.1 -11390.8 -9823.9 -9829.95 -8323.63 -8339.08 -6592.84 -6596.78 -4867.73 -4868.15 -3150.74 -3151.71 -1439.48 -1439.6 272.42 272.43 700.53 700.53 1128.82 1128.8 21329.68 11541.22 11541.22 -5709.47 -5709.47 -30304 -30304 -62180.7 -62180.7 -96072.6 -96072.6 -135680 -135680 -159231 -159231 -171746 -171746 -184932 -184932 -171627 -171627 -158993 -158993 -135203 -135203 -96191.2 -96191.2 -61996.2 -61996.2 -29446.2 -29446.2 -3765.71 -3765.71 15077.68 15077.68 27088.83 27088.83 32244.75 32244.75 32465.66 32465.66 32249.76 32249.76