1 概述本船为2500t起重船，调遣航行区域为Ⅰ类海域，起吊作业为Ⅱ类海域。

船体总纵强度主要依据《钢质海船入级与建造规范》（2006）（以下简称《海规》）对起重船总纵强度的要求进行校核。

2 主要量度船长L105.6m型宽B42.0m型深D8.0m结构吃水d 5.8m梁拱f0.2m肋距s 1.6m3静水剪力和弯矩计算3.1计算工况根据本船实际工作情况，核算以下状态：1航行状态（1）全部燃料及备品（2）10％燃料及备品2避风状态（同航行状态）（1）全部燃料及备品（2）10％燃料及备品3工作状态（1）全部燃料及备品（2）10％燃料及备品4 过桥状态（1）全部燃料及备品（2）10％燃料及备品3.2各状态下静水剪力和弯矩计算 1．航行状态 （1）全部燃料备品站号 位置 浮力 重量 净载荷 剪力 弯矩 m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 102.461 52.116 -50.346 -560 440 st 3 -42.24 151.279 235.697 84.418 2800 3820 st 4 -36.96 150.897 59.236 -91.661 2960 25240 st 5 -31.68 150.515 106.345 -44.171 -20 31110 st 6 -26.4 150.134 159.176 9.042 -110 29510 st 7 -21.12 149.752 163.416 13.664 310 30030 st 8 -15.84 149.371 203.98 54.609 1700 34150 st 9 -10.56 148.989 197.523 48.534 4420 50590 st 10 -5.28 148.608 107.754 -40.854 12370 99330 st 11 0 148.226 91.066 -57.16 9390 157050 st 12 5.28 147.844 92.55 -55.294 6420 198860 st 13 10.56 147.463 94.034 -53.429 3550 225260 st 14 15.84 147.081 79.071 -68.01 280 236000 st 15 21.12 146.7 60.546 -86.154 -3330 228190 st 16 26.4 146.318 60.57 -85.748 -7870 198740 st 17 31.68 145.937 60.594 -85.343 -12380 145400 st 18 36.96 145.555 211.578 66.022 -17950 61220 st 19 42.24 145.174 660.233 515.06 -2610 -2970 st 20 47.52 95.593 57.733 -37.86 -140 2050 st 2152.858.04558.045 0 0剪力/kN-20000-15000-10000-500005000100001500013579111315171921航行状态航行状态下全部燃料备品静水剪力弯矩/kN.m-500005000010000015000020000025000013579111315171921航行状态航行状态下全部燃料备品静水弯矩（2）10%燃料备品剪力/kN-25000-20000-15000-10000-500005000100001500013579111315171921航行状态10％航行状态下10%燃料备品静水剪力弯矩/kN.m5000010000015000020000025000030000035000013579111315171921航行状态10％航行状态下10%燃料备品静水弯矩站号 位置 浮力 重量 净载荷 剪力 弯矩 m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 98.376 52.116 -46.26 -350 1060 st 3 -42.24 146.916 298.258 151.341 5840 11610 st 4 -36.96 146.258 121.508 -24.751 9530 58450 st 5 -31.68 145.6 106.345 -39.255 8900 107270 st 6 -26.4 144.942 104.266 -40.676 6870 149110 st 7 -21.12 144.284 108.507 -35.777 4680 179660 st 8 -15.84 143.626 121.622 -22.004 2980 199610 st 9 -10.56 142.968 115.165 -27.803 1670 212220 st 10 -5.28 142.31 107.754 -34.556 7830 238890 st 11 0 141.651 91.066 -50.586 5190 273610 st 12 5.28 140.993 92.55 -48.443 2570 294240 st 13 10.56 140.335 94.034 -46.301 70 301370 st 14 15.84 139.677 79.071 -60.606 -2820 294840 st 15 21.12 139.019 60.546 -78.473 -6030 271810 st 16 26.4 138.361 60.57 -77.791 -10150 229290 st 17 31.68 137.703 60.594 -77.109 -14240 165090 st 18 36.96 137.045 211.578 74.533 -19370 72360 st 19 42.24 136.387 660.233 523.847 -3570 1980 st 20 47.52 86.529 57.733 -28.796 -620 3260 st 2152.858.04558.045 0 02．避风状态 （1）全部燃料备品-20000-15000-10000-500005000100001500013579111315171921避风状态避风状态下全部燃料备品静水剪力站号 位置 浮力 重量 净载荷 剪力 弯矩 m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 102.461 52.116 -50.346 -560 440 st 3 -42.24 151.279 235.697 84.418 2800 3820 st 4 -36.96 150.897 59.236 -91.661 2960 25240 st 5 -31.68 150.515 106.345 -44.171 -20 31110 st 6 -26.4 150.134 159.176 9.042 -110 29510 st 7 -21.12 149.752 163.416 13.664 310 30030 st 8 -15.84 149.371 203.98 54.609 1700 34150 st 9 -10.56 148.989 197.523 48.534 4420 50590 st 10 -5.28 148.608 107.754 -40.854 12370 99330 st 11 0 148.226 91.066 -57.16 9390 157050 st 12 5.28 147.844 92.55 -55.294 6420 198860 st 13 10.56 147.463 94.034 -53.429 3550 225260 st 14 15.84 147.081 79.071 -68.01 280 236000 st 15 21.12 146.7 60.546 -86.154 -3330 228190 st 16 26.4 146.318 60.57 -85.748 -7870 198740 st 17 31.68 145.937 60.594 -85.343 -12380 145400 st 18 36.96 145.555 211.578 66.022 -17950 61220 st 19 42.24 145.174 660.233 515.06 -2610 -2970 st 20 47.52 95.593 57.733 -37.86 -140 2050 st 2152.858.04558.045 0 0-500005000010000015000020000025000013579111315171921避风状态避风状态下全部燃料备品静水弯矩（2）10%燃料备品剪力/kN-25000-20000-15000-10000-500005000100001500013579111315171921避风状态10％避风状态下10%燃料备品静水剪力站号 位置 浮力 重量 净载荷 剪力 弯矩 m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 98.376 52.116 -46.26 -350 1060 st 3-42.24 146.916 298.258151.341584011610st 4 -36.96 146.258 121.508 -24.751 9530 58450 st 5 -31.68 145.6 106.345 -39.255 8900 107270 st 6 -26.4 144.942 104.266 -40.676 6870 149110 st 7 -21.12 144.284 108.507 -35.777 4680 179660 st 8 -15.84 143.626 121.622 -22.004 2980 199610 st 9 -10.56 142.968 115.165 -27.803 1670 212220 st 10 -5.28 142.31 107.754 -34.556 7830 238890 st 11 0 141.651 91.066 -50.586 5190 273610 st 12 5.28 140.993 92.55 -48.443 2570 294240 st 13 10.56 140.335 94.034 -46.301 70 301370 st 14 15.84 139.677 79.071 -60.606 -2820 294840 st 15 21.12 139.019 60.546 -78.473 -6030 271810 st 16 26.4 138.361 60.57 -77.791 -10150 229290 st 17 31.68 137.703 60.594 -77.109 -14240 165090 st 18 36.96 137.045 211.578 74.533 -19370 72360 st 19 42.24 136.387 660.233 523.847 -3570 1980 st 20 47.52 86.529 57.733 -28.796 -620 3260 st 2152.858.04558.045 0 0弯矩/kN.m5000010000015000020000025000030000035000013579111315171921避风状态10％避风状态下10%燃料备品静水弯矩3．工作状态 （1）全部燃料备品站号 位置 浮力 重量 净载荷 剪力 弯矩m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 94.258 52.116 -42.142 50 -5050 st 3 -42.24 149.838 511.785 361.948 18200 29520 st 4 -36.96 156.218 -334.638 -490.857 16050 141060 st 5 -31.68 162.599 106.345 -56.254 870 162500 st 6 -26.4 168.98 159.176 -9.804 -50 156300 st 7 -21.12 175.361 163.416 -11.945 -790 146980 st 8 -15.84 181.742 203.98 22.238 -940 134110 st 9 -10.56 188.122 197.523 9.401 -100 124540 st 10 -5.28 194.503 107.754 -86.749 25680 191980 st 11 0 200.884 91.066 -109.818 20100 306010 st 12 5.28 207.265 92.55 -114.715 14170 389450 st 13 10.56 213.646 94.034 -119.611 7980 440910 st 14 15.84 220.026 79.071 -140.955 1040 458260 st 15 21.12 226.407 60.546 -165.861 -6600 436720 st 16 26.4 232.788 60.57 -172.218 -15520 371330 st 17 31.68 239.169 60.594 -178.575 -24790 257930 st 18 36.96 245.55 423.54 177.99 -36960 77840 st 19 42.24 251.93 1502.119 1250.189 740 -48850 st 20 47.52 209.112 57.733 -151.379 6030 -7140 st 2152.858.04558.045 0剪力/kN-50000-40000-30000-20000-10000010000200003000013579111315171921工作状态工作状态下全部燃料备品静水剪力弯矩/kN.m-10000010000020000030000040000050000013579111315171921工作状态工作状态下全部燃料备品静水弯矩（2）10%燃料备品剪力/kN-40000-30000-20000-10000010000200003000013579111315171921工作状态10％工作状态下10%燃料备品静水剪力站号 位置 浮力 重量 净载荷 剪力 弯矩 m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 67.787 52.116 -15.672 1360 -3800 st 3 -42.24 125.353 555.937 430.583 22680 43330 st 4 -36.96 133.721 -475.577 -609.298 19530 180510 st 5 -31.68 142.088 106.345 -35.744 1730 206630 st 6 -26.4 150.456 104.266 -46.189 -350 201410 st 7 -21.12 158.823 108.507 -50.317 -3070 183360 st 8 -15.84 167.191 121.622 -45.569 -5770 150660 st 9 -10.56 175.558 115.165 -60.393 -8570 104040 st 10 -5.28 183.926 107.754 -76.172 25880 146190 st 11192.29391.066 -101.22720800260710st 12 5.28 200.661 92.55 -108.11 15280347040st 13 10.56 209.028 94.034 -114.994 9390 403230 st 14 15.84 217.395 79.071 -138.324 2630 426600 st 15 21.12 225.763 60.546 -165.217 -4920 411800 st 16 26.4 234.13 60.57 -173.561 -13860 353340 st 17 31.68 242.498 60.594 -181.904 -23250 246500 st 18 36.96 250.865 423.552 172.687 -35650 72030 st 19 42.24 259.233 1502.167 1242.935 1720 -50510 st 20 47.52 218.401 57.733 -160.668 6580 -6680 st 2152.80 58.04558.045 0弯矩/kN.m-100000010000020000030000040000050000013579111315171921工作状态10％工作状态下10%燃料备品静水弯矩4．过桥状态 （1）全部燃料备品站号 位置 浮力 重量 净载荷 剪力 弯矩m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 167.103 179.546 12.442 1330 6710 st 3 -42.24 167.953 -144.278 -312.232 620 17870 st 4 -36.96 167.541 362.226 194.686 -12030 -14460 st 5 -31.68 167.128 246.523 79.395 -4780 -52120 st 6 -26.4 166.715 211.227 44.512 -1730 -67140 st 7 -21.12 166.303 183.489 17.186 -250 -71350 st 8 -15.84 165.89 183.446 17.556 740 -69830 st 9 -10.56 165.477 423.053 257.575 3590 -63590 st 10 -5.28 165.064 143.737 -21.327 12800 -17460 st 11164.652140.75 -23.902 1172041440st 12 5.28 164.239 137.763 -26.476 1051094840st 13 10.56 163.826 89.908 -73.918 7580 139130 st 14 15.84 163.413 79.88 -83.533 3800 166570 st 15 21.12 163.001 69.852 -93.149 -440 174780 st 16 26.4 162.588 59.824 -102.764 -5140 161520 st 17 31.68 162.175 73.776 -88.399 -9440 126440 st 18 36.96 161.763 -72.382 -234.144 -15140 70390 st 19 42.24 161.35 398.61 237.26 -15240 -9490 st 20 47.52 159.674 133.427 -26.247 8720 -34210 st 2152.80 58.04558.045 0剪力/kN-20000-15000-10000-500005000100001500013579111315171921过桥状态过桥状态下全部燃料备品静水剪力弯矩/kN.m-100000-5000005000010000015000020000013579111315171921过桥状态过桥状态下全部燃料备品静水弯矩（2）10%燃料备品剪力/kN-20000-15000-10000-5000050001000013579111315171921过桥状态10％过桥状态下10%燃料备品静水剪力站号 位置 浮力 重量 净载荷 剪力 弯矩 m t/m t/m 10kN/m kN kN.m st 1 -52.8 0 0 0 0 0 st 2 -47.52 153.766 200 46.234 4580 22100 st 3 -42.24 155.008 -123.443 -278.45 5490 52630 st 4 -36.96 154.987 383.444 228.457 -5540 47460 st 5 -31.68 154.966 191.41 36.444 2100 43760 st 6 -26.4 154.945 156.316 1.371 3090 56720 st 7 -21.12 154.924 128.779 -26.145 2490 70550 st 8 -15.84 154.903 101.051 -53.853 500 78710 st 9 -10.56 154.883 340.764 185.881 -80 75480 st 10 -5.28 154.862 143.737 -11.125 8310 99850 st 11154.841140.75-14.0917710138270st 12 5.28 154.82 137.763 -17.057 6960173450st 13 10.56 154.799 89.908 -64.891 4470 201700 st 14 15.84 154.778 79.88 -74.898 1120 215180 st 15 21.12 154.757 69.852 -84.905 -2720 211410 st 16 26.4 154.737 59.824 -94.913 -7030 188080 st 17 31.68 154.716 73.776 -80.939 -10960 144730 st 18 36.96 154.695 -72.382 -227.077 -16310 82140 st 19 42.24 154.674 398.61 243.936 -16080 -2670 st 20 47.52 153.39 133.427 -19.963 8190 -30770 st 2152.80 58.04558.045 0弯矩/kN.m-500005000010000015000020000025000013579111315171921过桥状态10％过桥状态下10%燃料备品静水弯矩3.3 各状态下的最大静水弯矩和剪力各状态下的最大静水弯矩和剪力绝对值包络线图如下：最大剪力/kN500010000150002000025000300003500040000123456789101112131415161718192021最大剪力最大弯矩/kNm100000200000300000400000500000123456789101112131415161718192021最大弯矩4船体弯曲强度校核依据《钢质海船入级与建造规范》（2006）13.2.1节，对起重船总纵强度的要求进行校核。