船體強(qiáng)度課程設(shè)計

1、精選優(yōu)質(zhì)文檔-傾情為你奉上海橋客貨滾裝輪 基 本 設(shè) 計標(biāo)記數(shù)量修改標(biāo)號記簽字字日期總縱強(qiáng)度計算書船體強(qiáng)度課程設(shè)計編制Isobel會簽校對班級海船四班標(biāo)檢學(xué)號總面積共22頁第1頁審核天津大學(xué)建工學(xué)院船舶工程系審定日期2010/8/27目錄1 計算說明 11.1 船舶主要技術(shù)參數(shù)11.2 計算依據(jù)規(guī)范12 全船重量分配22.1 空船重量分配2 2.1.1 空船重量及重心計算2 2.1.2 梯形法重量分配22.2 可變重量分配及重量分布曲線3 2.2.1 可變重量分配3 2.2.2 重量分布曲線43 繪制浮力曲線5 3.1 船舶滿載各站浸水面積5 3.2 繪制浮力曲線64. 靜水彎矩與靜水剪力計算

2、7 4.1 站間載荷計算7 4.2 靜水剪力與彎矩計算85. 波浪附加彎矩與總彎矩計算8 5.1 波浪附加彎矩計算8 5.2 合成彎矩計算及修正96. 總彎曲應(yīng)力計算與穩(wěn)定性校核 10 6.1 計算剖面抗彎幾何特性 10 6.2 計算總彎曲應(yīng)力 126.3 穩(wěn)定性校核 146.3.1縱骨架式板格穩(wěn)定性校核 14 6.3.2 縱骨穩(wěn)定性校核147. 強(qiáng)度分析與結(jié)論15附錄：中橫剖面圖、各站位橫剖面圖161 計算說明：1.1 船舶主要技術(shù)參數(shù)：船 名:海橋客貨滾裝輪總長：135米垂線間長：125米船寬：20米 滿載吃水：6.1米 型深：11.05米梁拱：0.3米方形系數(shù)計算工況:滿載出港排水量:(

3、噸)全船重心距離0站(米) 1.2 計算依據(jù)規(guī)范：引用鋼質(zhì)海船入級規(guī)范2. 全船重量分配:2.1 空船重量分配: 2.1.1 空船重量及重心計算:序號重量(t)重心距0站(m)重量矩(t·m)14301.5645221512258034622210164465132.0520864.55562242.6326515.86633051.9717150.174276126047853072.138213933082.7527307.510258932399411300102.793083712130112.1114574.313110.512113370.54795.5.8表2-1空船重

4、量為W=4795.5t 空船重心距0站為xg=.8÷4795.5=52.604m注： 由此數(shù)據(jù)求得a<b,且c<0,因此，在計算中取xg=57,62m。 2.1.2 梯形法重量分配: ,取b=1.195,由梯形法求得a=0.912,c=0.308 因此，空船重量梯形分布如圖2-1 圖2-1 空船重量梯形分布由梯形分布圖得各站重量分布，見表2-2站號y各站間重量（t）理論站距034.988136.617223.766 0-1238.245233.944 1-2339.874244.122 2-3441.502254.300 3-4543.131264.478 4-5644.

5、759274.656 5-61/3 L45.845745.845284.269 6-7845.845286.531 7-8945.845286.531 8-91045.845286.531 9-101145.845286.531 10-111245.845286.531 11-121345.845286.531 12-132/3 L45.8451442.442279.441 13-141537.338249.313 14-151632.233217.409 15-161727.129185.506 16-171822.025153.606 17-181916.92121.703 18-1920

6、11.81689.800 19-204795.499表2-22.2 可變重量分配及重量分布曲線： 2.2.1 可變重量分配：可變重量分配見表2-3。理論站距卡車燃油船員其他0-114.600 0001-210.000 54.108 002-347.800 80.892 025.365 3-439.875 0.000 4.992 14.250 4-590.850 7.700 4.992 32.785 5-690.250 19.802 4.992 8.805 6-7107.450 22.646 4.992 1.250 7-8124.305 7.752 4.992 1.545 8-9124.500

7、118.246 4.992 09-10176.480 179.258 4.992 010-1171.200 450.869 4.992 011-12139.890 148.568 4.992 012-1369.507 167.961 4.992 013-14101.750 0.000 4.992 014-1560.743 -25.764 4.992 015-1650.900 538.454 00.884 16-175.000 95.350 02.516 17-184.900 112.360 00.000 18-19000019-2000001330.000 1978.202 59.904 87

8、.400 表2-3 2.2.2 重量分布曲線： 將空船重量與可變重量分布加和得全船滿載出港重量分布，見表2-4。理論站距空船卡車燃油船員其他總重量（T）站間均布重量(T)0-1223.76614.600 000238.366 38.139 1-2233.94410.000 54.108 00298.052 47.688 2-3244.12247.800 80.892 025.365 398.179 63.709 3-4254.339.875 0.000 4.992 14.250 313.417 50.147 4-5264.47890.850 7.700 4.992 32.785 400.805

9、 64.129 5-6274.65690.250 19.802 4.992 8.805 398.505 63.761 6-7284.269107.450 22.646 4.992 1.250 420.607 67.297 7-8286.531124.305 7.752 4.992 1.545 425.125 68.020 8-9286.531124.500 118.246 4.992 0534.269 85.483 9-10286.531176.480 179.258 4.992 0647.261 103.562 10-11286.53171.200 450.869 4.992 0813.59

10、2 130.175 11-12286.531139.890 148.568 4.992 0579.981 92.797 12-13286.53169.507 167.961 4.992 0528.991 84.639 13-14279.441101.750 0.000 4.992 0386.183 61.789 14-15249.31360.743 -25.764 4.992 0289.284 46.285 15-16217.40950.900 538.454 00.884 807.647 129.224 16-17185.5065.000 95.350 02.516 288.372 46.1

11、40 17-18153.6064.900 112.360 00.000 270.866 43.339 18-19121.7030000121.703 19.472 19-2089.8000089.800 14.368 4795.499 1330.000 1978.202 59.904 87.400 8251.005 表2-4重量分布曲線見圖2-2：重量（t）圖2-2 重量分布曲線3. 繪制浮力曲線：3.1 船舶滿載各站浸水面積： 繪制各站橫剖面浸水面積圖（見附錄），修正后，近似求得各站浸水面積，見表3-1。0站與20站浮力取為0。站號船底修正值0.5WL1WL2WL3WL4WL5WL6WL7W

12、L6.1m處半寬浸水面積（）00000000179543402096.401000005272157477765015002.510.8252000342126226044741676880096924.225.813303207601885333350676874820589928303.545.5674520.5125721233898561271108297910095899161.365.462 51212.4269840176024741984479156961698869651.582.964 61950.6446559547657862292029639987399869888.

13、996.460 73395.96060746187579381972599129992100009999.8106.491 83980.97097835593619784996010000100001000010000111.830 9550074548622955099581000010000100001000010000114.153 105545.77254836593309790998010000100001000010000112.774 114456.96260750087209380974099309990100009992.1107.267 122573492062107700

14、860091709530975098809766.397.223 131534.636404900649075008250874091159400914784.659 141212.8259037005195622570007590806085308106.770.443 15817.5182026903920483555406165672572906815.655.263 16285138019702865352541004630515057455240.940.907 17185110015002065246028103140352040503565.228.621/p>

15、01505165017451880209024452117.318.811 19607501065125511359458509001150915.811.829 2003007308955602408008080表3-13.2 繪制浮力曲線： 由各站浸水面積求得各站浮力（見表3-2），繪制浮力曲線（見圖3-1）。站號浸水面積（）各站浮力(t/m)000110.82511.096 225.81326.458 345.56746.706 465.462 67.098 582.964 85.039 696.460 98.872 7106.491 109.153 8111.830 114.626 9

16、114.153 117.007 10112.774 115.594 11107.267 109.948 1297.223 99.654 1384.659 86.775 1470.443 72.204 1555.263 56.644 1640.907 41.929 1728.621 29.337 1818.811 19.281 1911.829 12.125 2000表3-2圖3-1 浮力曲線4. 靜水彎矩與靜水剪力計算：4.1 各站間載荷分布計算： 由浮力曲線求得各站間浮力，由各站間重量分布和浮力分布求得各站間載荷b(x)，見下表4-1。理論站距總重量（T）站間均布重量(T)各站間浮力(T)站

17、間均布浮力(T)平均載荷(kN)0-1238.366 38.139 34.674 5.548 319.389 1-2298.052 47.688 117.356 18.777 283.331 2-3398.179 63.709 228.639 36.582 265.839 3-4313.417 50.147 355.639 56.902 -66.204 4-5400.805 64.129 475.428 76.068 -117.009 5-6398.505 63.761 574.721 91.955 -276.307 6-7420.607 67.297 650.078 104.012 -359

18、.811 7-8425.125 68.020 699.308 111.889 -429.919 8-9534.269 85.483 723.852 115.816 -297.266 9-10647.261 103.562 726.877 116.300 -124.838 10-11813.592 130.175 704.819 112.771 170.556 11-12579.981 92.797 655.006 104.801 -117.639 12-13528.991 84.639 582.590 93.214 -84.043 13-14386.183 61.789 496.810 79.

19、490 -173.463 14-15289.284 46.285 402.652 64.424 -177.761 15-16807.647 129.224 308.043 49.287 783.379 16-17288.372 46.140 222.706 35.633 102.964 17-18270.866 43.339 151.930 24.309 186.492 18-19121.703 19.472 98.143 15.703 36.942 19-2089.800 14.368 37.890 6.062 81.395 8251.005 8247.161 表4-14.2 靜水剪力與彎矩

20、計算：靜水剪力與彎矩計算見表4-2。理論站距平均載荷(kN)自上而下和(kN)積分和(kN)修正值(kN)剪力值(kN)彎矩值(kN·m)修正值(kN·m)彎矩值(kN·m)理論站號0000000000-1319.389 319.389 319.389 0.301 319.088 998.091 -792.705 1790.796 11-2283.331 602.720 1241.498 0.603 602.118 3879.683 -1585.411 5465.094 22-3265.839 868.559 2712.778 0.904 867.655 8477

21、.431 -2378.116 10855.547 33-4-66.204 802.355 4383.692 1.205 801.150 13699.038 -3170.821 16869.859 44-5-117.009 685.346 5871.393 1.507 683.839 18348.104 -3963.527 22311.631 55-6-276.307 409.039 6965.779 1.808 407.231 21768.059 -4756.232 26524.291 66-7-359.811 49.229 7424.047 2.109 47.119 23200.148 -5

22、548.937 28749.085 77-8-429.919 -380.690 7092.586 2.411 -383.101 22164.332 -6341.643 28505.975 88-9-297.266 -677.956 6033.940 2.712 -680.668 18856.062 -7134.348 25990.411 99-10-124.838 -802.794 4553.190 3.014 -805.808 14228.718 -7927.054 22155.772 1010-11170.556 -632.238 3118.158 3.315 -635.553 9744.

23、243 -8719.759 18464.002 1111-12-117.639 -749.877 1736.043 3.616 -753.493 5425.133 -9512.464 14937.597 1212-13-84.043 -833.920 152.245 3.918 -837.838 475.766 -10305.170 10780.935 1313-14-173.463 -1007.384 -1689.059 4.219 -1011.602 -5278.309 -11097.875 5819.566 1414-15-177.761 -1185.145 -3881.587 4.52

24、0 -1189.665 -12129.960 -11890.580 -239.380 1515-16783.379 -401.766 -5468.497 4.822 -406.587 -17089.054 -12683.286 -4405.768 1616-17102.964 -298.801 -6169.064 5.123 -303.924 -19278.325 -13475.991 -5802.334 1717-18186.492 -112.310 -6580.175 5.424 -117.734 -20563.046 -14268.696 -6294.350 1818-1936.942

25、-75.367 -6767.852 5.726 -81.093 -21149.537 -15061.402 -6088.135 1919-2081.395 6.027 -6837.192 6.027 0-21366.225 -21366.225 020表4-25. 波浪附加彎矩與總彎矩計算：5.1 波浪附加彎矩計算：由載荷分布可知船舶處于中拱狀態(tài)，可根據(jù)公式5-1求得波浪附加彎矩。 （中拱） （公式5-1）1.0M1.00.650.40尾其中，M彎矩分布系數(shù)，對于船中M=1；圖5-1 M-彎矩分布系數(shù)方型系數(shù)，取值不得小于0.6，對于本船為0.55；C系數(shù)，按公式5-2計算，得8.435。 （

26、） （公式5-2） 波浪附加彎矩計算過程見表5.1：理論站號距0站距離fMMw0000016.250.050.12534431.93212.50.10.2568863.87318.750.150.375.84250.20.5.7531.250.250.625.7637.50.30.75.6743.750.350.875.58500.41.5956.250.451.51062.50.51.51168.750.551.512750.61.51381.250.651.51487.50.70.71593.750.750.9161000.80.117106.250.850.318112.50.90.78

27、701.5619118.750.950.39350.7820125100表5.15.2 合成彎矩計算： 加和靜水彎矩值和波浪附加彎矩得最大彎矩值為.475 kN·m。各站總彎矩值見表5.2：理論站號靜水彎矩值(kN·m)波浪附加彎矩(kN·m)合成彎矩(kN·m)000011790.796 34431.930 36222.72625465.094 68863.870 74328.964310855.547 .800 .347416869.859 .700 .559522311.631 .700 .331626524.291 .600 .891728749

28、.085 .500 .585828505.975 .500 .475925990.411 .500 .9111022155.772 .500 .2721118464.002 .500 .5021214937.597 .500 .0971310780.935 .500 .435145819.566 .700 .26615-239.380 .900 .520516-4405.768 .100 .331817-5802.334 .300 .966218-6294.350 78701.560 72407.210319-6088.135 39350.780 33262.6448520000表5.26.

29、總彎曲應(yīng)力計算與穩(wěn)定性校核6.1 計算剖面抗彎幾何特性：根據(jù)中橫剖面圖，計算剖面抗彎幾何特性，見下頁表6.1。參考軸取船底板上表面，可求得：A=29122.17、B=.854、C=.718。參考軸距中和軸距離=B/A=408.922m,I=2(C-A)= 44.m任意構(gòu)件距中和軸距離Zi=Zi-由此求得中橫剖面各構(gòu)件剖面模數(shù)Wi=I/ Zi專心-專注-專業(yè)構(gòu)件編號構(gòu)件名稱構(gòu)件尺寸(mm)剖面積（c）距參考軸距離（cm）靜力矩（cm）對參考軸慣性矩（cm）自身慣性矩（cm）構(gòu)件距中和軸距離（cm）剖面模數(shù)W1K板645x15.598.69-0.775-76.485 59.276 02A、B、C板

30、8991x13.71260.3840.2650742.899 .106.797 -409.-.383D板2206x13.419769257.54.26.8-368.-.764E板2765x13.3367.75501.75.5625.73.911-151.-.55F板2350x13.4314.9762.5.25.1.04292.666G、H板7300x11.6846.81245.67353.137舷側(cè)頂板1200x222641565836.58C甲邊板2400x11.7280.81595.65.52.401156.7989C甲板7600x7.2547.21595.4.8801186.79910B

31、甲邊板1500x13.5202.51105.75.375.201186.83511B甲板8500x12.351049.751105.4.650696.1412A甲板6400x12.35790.4620.65.76.30696.1713內(nèi)底板9200x10.4956.8150.65.92.250211.4714中縱桁1500x9.672755400-258.-.8915旁縱桁1134x7.686.1893.38040.594.420 92353.073 -333.-.716旁縱桁1347x7.6102.3782.658460.8805.773 .208 -315.-.1817縱壁板（下）2200

32、x9.2202.426052624.667-326.-.8918縱壁板（上）2550x8.8224.4497.5.5.5-148.-.1719C甲縱骨L150x90x9220.381585.58.1204.35085.69688.520B甲縱骨L200x90x9/14349.021091.7.134.815032.6681176.11121A甲縱骨L200x90x9/14349.02611.7.534.115032.668682.5122內(nèi)底縱骨L200x90x9/14199.44136.727263.448.3428590.096202.5723外底縱骨L200x90x9/14199.443

33、26382.08.568590.096-272.-.9424外底縱骨L125x75x725.2441108.848787.2442.94-376.-.8425舷側(cè)縱骨L400x100x11.5/1651.3832.6942716.997.230-364.-.0726舷側(cè)縱骨L60051.3350179550423.3927中縱桁C腹板610x1854.91569.586165.55.717023.575-58.-.528中縱桁C面板200x181815382768401160.38229旁縱桁C腹板610x1854.91569.586165.55.717023.5751129.47730旁縱桁

34、C面板200x181815382768401160.38231中縱桁B腹板580x926.1108128214.1.17316.71129.47732中縱桁B面板300x18271051283770672.8833中縱桁A腹板530x923.85603.514393.475.1635582.888 642.1534中縱桁A面板200x1818576103680194.2A=29122.17B=.854.148 .570 167.03C=.718 表6.16.2 計算總彎曲應(yīng)力：總彎曲應(yīng)力按下式計算 由表6.1得最小剖面模數(shù)Wc為.799cm,因此最大總彎曲應(yīng)力為40.351N/mm，遠(yuǎn)小于許用應(yīng)力。6.3 穩(wěn)定性校核： 船體計算狀