穩(wěn)性計(jì)算參考書(shū).

1、會(huì)簽舊底圖登記號(hào)標(biāo)記處數(shù) 更改文件號(hào)簽字日期設(shè)繪描繪圖樣標(biāo)記重量(kg)比例底圖登記號(hào)校對(duì)審核描校R1共      頁(yè)第      頁(yè)標(biāo)檢審定日期A4第頁(yè)目錄1. 主要參數(shù) .32. 定義 .33. 計(jì)算依據(jù) .34. 主要使用說(shuō)明 .35. 重量重心估算 .56. 風(fēng)傾力矩計(jì)算.67. 進(jìn)水點(diǎn)以及進(jìn)水角 .88. 基本載況穩(wěn)性

2、總結(jié)表 .89. 靜水力表.910. 復(fù)原力矩計(jì)算 .911. 作業(yè)工況的等排水量橫傾浮態(tài)圖 .1012. 穩(wěn)性校核.1813. 橫搖周期和橫搖角 .20A4第頁(yè)1.主要參數(shù)設(shè)計(jì)最大吃水 . 10.3 m最大排水量 .198  t整體抗風(fēng)能力 .14 級(jí)六邊形邊長(zhǎng).9 m2.定義1、單位定義長(zhǎng)度單位：米m重量單位：噸t角度單位：度deg2、坐標(biāo)軸定義X軸：向右為正；Y軸：向首為正；Z軸：向上為正；縱傾：向Y方向的傾斜；橫傾：向X方向的傾斜； 本計(jì)算書(shū)中的坐

3、標(biāo)定義見(jiàn)上圖。以最底層垂蕩板底面為基平面，以圖中的Y軸為KL線(xiàn)。3.計(jì)算依據(jù)：本平臺(tái)為深遠(yuǎn)海網(wǎng)箱養(yǎng)殖平臺(tái)。本平臺(tái)由潛入水中的浮筒、立柱下部、兩層垂蕩板以及撐桿提供浮力，立柱上部露出水面，為半潛狀態(tài)。本計(jì)算書(shū)參照中國(guó)船級(jí)社海上移動(dòng)平臺(tái)入級(jí)規(guī)范（2016）中對(duì)柱穩(wěn)式平臺(tái)的相關(guān)要求對(duì)本平臺(tái)的穩(wěn)性進(jìn)行校核。本計(jì)算書(shū)中的坐標(biāo)系定義見(jiàn)上圖。本平臺(tái)結(jié)構(gòu)對(duì)稱(chēng)，結(jié)構(gòu)剖面關(guān)于X軸的慣性矩與Y軸相同，受風(fēng)面積相等。因此，Y軸方向的穩(wěn)性較好?；谝陨辖Y(jié)論，本計(jì)算書(shū)對(duì)X軸方向的穩(wěn)性進(jìn)行校核。4.主要使用說(shuō)明1) 本計(jì)算書(shū)對(duì)本平臺(tái)的作業(yè)工況（吃水10m）的穩(wěn)性進(jìn)行校核，實(shí)際運(yùn)營(yíng)時(shí)出現(xiàn)吃水超出此作業(yè)工況，則應(yīng)重新

4、核算穩(wěn)性，確保運(yùn)營(yíng)中的安全。A4序號(hào)項(xiàng)目重量（t）高度（m）垂向矩（t*m）1光發(fā)電設(shè)備1.5013.1519.732儲(chǔ)能設(shè)備1.5013.1519.733投餌裝備1.5013.1519.734吊機(jī)1.0013.1513.155監(jiān)控設(shè)備1.5013.1519.736通訊設(shè)備1.5013.1519.737舾裝1.5512.5019.388軌道2.0012.6025.209壓載263.000.67176.2110結(jié)構(gòu)重量204.206.321290.5411合計(jì)479.253.391623.10序號(hào)項(xiàng)目重量（t）高度（m）垂向矩（t*m）1浮筒75.511.45109.382立柱81.417.50

5、610.543甲板35.4311.96423.684甲板室10.0313.58136.155登乘平臺(tái)1.825.409.836合計(jì)204.206.321289.57序號(hào)項(xiàng)目重量（t）高度（m）垂向矩（t*m）1平臺(tái)重量479.253.391623.102人員0.9513.1512.493備品0.0613.150.794飼料2.0013.1526.305合計(jì)482.263.451662.69序號(hào)項(xiàng)目重量（t）高度（m）垂向矩（t*m）1平臺(tái)重量479.253.391623.102人員0.9513.1512.493備品0.6013.157.894飼料20.0013.15263.005合計(jì)500.8

6、03.811906.49第頁(yè)5.重量重心估算5.1  結(jié)構(gòu)重量5.2  平臺(tái)重量5.3 作業(yè)工況(滿(mǎn)載)重量5.4 作業(yè)工況(空載)重量A4構(gòu)件橫傾角立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)0°180.000.0020.7011.502.003.084.607.206.0010°177.2762.1020.3911.331.973.034.537.095.9120°169.14122.3119.4510.811.882.894.326.775.6430°155.8817

7、8.8017.939.961.732.673.986.245.2040°137.89229.8615.868.811.532.363.525.524.6050°115.70273.9413.317.391.291.982.964.633.8660°90.00309.6910.355.751.001.542.303.603.0070°61.56336.037.083.930.681.051.572.462.05立柱主甲板下表面甲板室桅桿太陽(yáng)能電池板欄桿、梯架主甲板端部板登乘平臺(tái)0.41.00.40.41.01.31.31.3第頁(yè)6.風(fēng)傾力矩計(jì)算6.1

8、60;風(fēng)力根據(jù)海上移動(dòng)平臺(tái)入級(jí)規(guī)范（以下簡(jiǎn)稱(chēng)規(guī)范）第2篇第2.2.2.1節(jié)，作用于構(gòu)件上的風(fēng)力按下式計(jì)算：F=Ch CS SPKN式中：P風(fēng)壓，kPa;S平臺(tái)在正浮或傾斜狀態(tài)時(shí)，受風(fēng)構(gòu)件的正投影面積，m2 hCh 受風(fēng)構(gòu)件的高度系數(shù)，其值可根據(jù)構(gòu)件高度由表2.2.2.1（a）選取，本平臺(tái)構(gòu)件在海平面以上高度小于15.3m，C 取1；CS 受風(fēng)構(gòu)件的形狀系數(shù)，其值可根據(jù)構(gòu)件形狀由表2.2.2.1（b）選取，查該表后得本平臺(tái)各構(gòu)件的形狀系數(shù)取值如下：6.2 計(jì)算風(fēng)壓根據(jù)第2篇規(guī)范第2.2.1.2節(jié)，風(fēng)壓按下式計(jì)算：P=0.613

9、×10VkPa2-3V設(shè)計(jì)風(fēng)速，本平臺(tái)穩(wěn)性校核的設(shè)計(jì)風(fēng)速為51.5m/s;帶入風(fēng)速值得：P=1.63 kPa6.3 受風(fēng)構(gòu)件的正投影面積對(duì)任意一個(gè)橫傾角，垂向受風(fēng)構(gòu)件的正投影面積為其側(cè)投影面積乘以該傾角的余弦值，甲板下表面的受風(fēng)正投影面積為甲板面積乘以該傾角的正弦值。任意橫傾角時(shí)受風(fēng)構(gòu)件的正投影面積SA4構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S   

10、;  (m )177.2762.1020.3911.331.973.034.537.095.91P     (kPa)1.631.631.631.631.631.631.631.632.63F=Ch CS SP(KN)115.29100.9713.2618.414.166.419.5811.5315.52h        (m)3.897.829.057.6311.978.223.7410.641.18Mq 

11、;=FZ(kN*m)448.49789.51120.00140.5549.8252.7235.84122.6318.34Mq 合計(jì)1777.89構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S     (m )180.000.0020.7011.502.003.084.607.206.00P    

12、0;(kPa)1.631.631.631.631.631.631.631.631.63F=Ch CS SP(KN)117.070.0013.4618.704.236.519.7211.719.76h        (m)3.957.949.197.7512.158.353.8010.801.20Mq =FZ(kN*m)462.430.00123.73144.9251.3754.3636.95126.4411.71Mq 合計(jì)1011.90構(gòu)件橫傾角立柱主甲板下表面甲板室主甲板端

13、部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)0°3.957.949.197.7512.158.353.8010.801.2010°3.897.829.057.6311.978.223.7410.641.1820°3.717.468.647.2811.427.853.5710.151.1330°3.426.887.966.7110.527.233.299.351.0440°3.036.087.045.949.316.402.918.270.9250°2.545.105.914.987.815.372.446.940.7760°1.98

14、3.974.603.886.084.181.905.400.6070°1.352.723.142.654.162.861.303.690.41第頁(yè)6.4 受風(fēng)構(gòu)件的受風(fēng)面積形心對(duì)任意一個(gè)橫傾角，受風(fēng)構(gòu)件的正投影面積形心距水面高度為正浮時(shí)的面積形心高度乘以該傾角的余弦值。任意橫傾角時(shí)受風(fēng)構(gòu)件的正投影面積形心距水面(水面距基線(xiàn)KL為4.06m)高度h6.5 風(fēng)傾力矩計(jì)算根據(jù)規(guī)范第3篇第2.2.1.4節(jié)，風(fēng)傾力矩M 按下式計(jì)算：Mq =FZkN*m式中：F計(jì)算風(fēng)力，kN;Z計(jì)算風(fēng)力作用力臂,對(duì)每個(gè)構(gòu)件該力臂值為4.4節(jié)中計(jì)算的高度h 6.5

15、.1 橫傾0°時(shí)的風(fēng)傾力矩計(jì)算6.5.2 橫傾10°時(shí)的風(fēng)傾力矩計(jì)算A4構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S     (m )137.89229.8615.868.811.532.363.525.524.60P     (kPa)1.631.631.631

16、.631.631.631.631.632.63F=Ch CS SP(KN)89.68373.7510.3114.323.244.997.458.9712.07h        (m)3.036.087.045.949.316.402.918.270.92Mq =FZ(kN*m)271.372273.3272.6185.0430.1431.9021.6874.2011.10Mq 合計(jì)2871.35構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.

17、001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S     (m )155.88178.8017.939.961.732.673.986.245.20P     (kPa)1.631.631.631.631.631.631.631.632.63F=Ch CS SP(KN)101.39290.7311.6616.193.665.648.4210.1413.65h 

18、;       (m)3.426.887.966.7110.527.233.299.351.04Mq =FZ(kN*m)346.831999.1292.80108.6938.5240.7727.7194.8314.18Mq 合計(jì)2763.45構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S   &

19、#160; (m )169.14122.3119.4510.811.882.894.326.775.64P     (kPa)1.631.631.631.631.631.631.631.632.63F=Ch CS SP(KN)110.01198.8712.6517.573.976.129.1411.0014.81h        (m)3.717.468.647.2811.427.853.5710.151.13Mq 

20、=FZ(kN*m)408.341483.80109.25127.9745.3648.0032.63111.6516.70Mq 合計(jì)2383.69構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S     (m )115.70273.9413.317.391.291.982.964.633.86P    

21、60;(kPa)1.631.631.631.631.631.631.631.632.63F=Ch CS SP(KN)75.25445.428.6512.022.724.186.257.5310.13h        (m)2.545.105.914.987.815.372.446.940.77Mq =FZ(kN*m)191.072273.3251.1259.8821.2222.4615.2752.247.81Mq 合計(jì)2694.39第頁(yè)6.5.3 橫傾20°

22、;時(shí)的風(fēng)傾力矩計(jì)算6.5.4 橫傾30°時(shí)的風(fēng)傾力矩計(jì)算6.5.5 橫傾40°時(shí)的風(fēng)傾力矩計(jì)算6.5.6 橫傾50°時(shí)的風(fēng)傾力矩計(jì)算A4項(xiàng)目單位規(guī)范要求值作業(yè)工況(滿(mǎn)載)作業(yè)工況(空載)1排水量t500.8482.262重心離基線(xiàn)高度 KGm3.813.453平均吃水 dm4.504.064經(jīng)自由液面修正后的初穩(wěn)性高度 GMm0.151.5682.0165復(fù)原力矩曲線(xiàn)下的面積超出風(fēng)傾力矩曲線(xiàn)下的面積m30%307%306%構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.0

23、01.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.002S     (m )90.00309.6910.355.751.001.542.303.603.00P     (kPa)1.631.631.631.631.631.631.631.632.63F=Ch CS SP(KN)58.54503.566.739.352.113.264.865.857.88h  

24、      (m)1.983.974.603.886.084.181.905.400.60Mq =FZ(kN*m)115.611999.1230.9336.2312.8413.599.2431.614.73Mq 合計(jì)2253.90構(gòu)件參數(shù)立柱主甲板下表面甲板室主甲板端部板桅桿欄桿梯架太陽(yáng)能電池板登乘平臺(tái)Ch1.001.001.001.001.001.001.001.001.00CS0.401.000.401.001.301.301.301.001.302S     

25、(m )61.56336.037.083.930.681.051.572.462.05P     (kPa)1.631.631.631.631.631.631.631.632.63F=Ch CS SP(KN)40.04546.394.606.401.452.233.334.007.01h        (m)1.352.723.142.654.162.861.303.690.41Mq =FZ(kN*m)54.091483.80

26、14.4716.956.016.364.3214.792.88Mq 合計(jì)1603.68第頁(yè)6.5.7 橫傾60°時(shí)的風(fēng)傾力矩計(jì)算6.5.8 橫傾70°時(shí)的風(fēng)傾力矩計(jì)算7.進(jìn)水點(diǎn)以及進(jìn)水角本平臺(tái)沒(méi)有完整穩(wěn)性校核中會(huì)導(dǎo)致計(jì)入浮力的艙室進(jìn)水的進(jìn)水點(diǎn)。本計(jì)算書(shū)中校核的橫傾角范圍為0°至70°。8. 基本載況穩(wěn)性總結(jié)表：A4橫傾角（°）010203040506070浮力作用線(xiàn)至參考點(diǎn)距離KN（m）0.0000.9442.3213.9025.0155.2985.3125.043復(fù)原力臂 （m）PN=KN-K

27、G*SIN()0.0000.2821.0181.9972.5662.3792.0121.463復(fù)原力矩 （kN*m）Mf=9.81*PN0.01387.45000.89811.012606.311689.59886.87186.4吃水（m）4.0004.1004.2004.3004.4004.500排水量（t）479.900484.100488.300492.500496.600500.800濕表面積（m2）496.209501.160506.111511.062516.012520.963水線(xiàn)面面積（m2）41.19941.13041.06140.99240.92340.855浮心

28、距基線(xiàn)高度（m）1.6861.7061.7271.7481.7701.792橫穩(wěn)心距基線(xiàn)高度KMt（m）5.4785.4565.4345.4145.3965.378橫傾角（°）010203040506070浮力作用線(xiàn)至參考點(diǎn)距離KN（m）0.0001.0322.5024.0975.2125.4385.4665.125復(fù)原力臂 （m）PN=KN-KG*SIN()0.0000.4331.3222.3722.9942.7952.4781.883復(fù)原力矩 （kN*m）Mf=9.81*PN0.02048.16254.511221.914166.313223.811724.3

29、8908.7吃水（m）4.6004.7004.8004.9005.000排水量（t）505.000509.100513.300517.400521.600濕表面積（m2）525.914530.865535.815540.766545.717水線(xiàn)面面積（m2）40.78640.71940.65340.58740.521浮心距基線(xiàn)高度（m）1.8151.8381.8621.8861.910橫穩(wěn)心距基線(xiàn)高度KMt（m）5.3625.3475.3335.3205.309第頁(yè)9.靜水力表縱傾0°，橫傾0°縱傾0°，橫傾0°10.復(fù)原力矩計(jì)算10.1 作業(yè)

30、工況(滿(mǎn)載)復(fù)原力矩計(jì)算排水量：500.8t吃水 D：4.5m重心高 KG ：3.81m10.2 作業(yè)工況(空載)復(fù)原力矩計(jì)算排水量：482.26t吃水 D：4.06m重心高 KG ：3.45mA4KGKBKG第頁(yè)11.作業(yè)工況的等排水量橫傾浮態(tài)圖11.1 作業(yè)工況(滿(mǎn)載)作業(yè)工況(滿(mǎn)載)排水量：500.8t重心高 KG ：2.99m11.1.1 橫傾0°Waterline重心CG浮心CBK11.1.2 橫傾10°NWaterline重心CGK浮心CBPN

31、KNN 浮力作用線(xiàn)A4KGKG第頁(yè)11.1.3 橫傾20°NWaterline重心CGPNKN浮心CBKN 浮力作用線(xiàn)11.1.4 橫傾30°NWaterline重心CGPN浮心CBKKNN 浮力作用線(xiàn)A4KG第頁(yè)11.1.5 橫傾40°NWaterline重心CGKPNKNN 浮力作用線(xiàn)11.1.6 橫傾50°NWaterlineKG重心CGKPN浮心CBKNN 浮力作用線(xiàn)A4第頁(yè)11.1.7 橫傾60°NWaterlineKG重心CGPNKK

32、N浮心CBN 浮力作用線(xiàn)11.1.8 橫傾70°NWaterlineKG重心CGKPNKN浮心CBN 浮力作用線(xiàn)A4KGKBKG第頁(yè)11.2 作業(yè)工況(空載)作業(yè)工況(空載)排水量：495.76t重心高 KG ：2.89m11.2.1 橫傾0°Waterline重心CG浮心CBK11.2.2 橫傾10°NWaterline重心CGKPN浮心CBKNN 浮力作用線(xiàn)A4KGKG第頁(yè)11.2.3 橫傾20°NWaterline重心CGKPNKNN 浮力

33、作用線(xiàn)11.2.4 橫傾30°NWaterline重心CGPN浮心CBKKNN 浮力作用線(xiàn)A4KG第頁(yè)11.2.5 橫傾40°NWaterline重心CGPNKKN浮心CBN 浮力作用線(xiàn)11.2.6 橫傾50°NWaterline重心CGKGPNK浮心CBKNN 浮力作用線(xiàn)A4第頁(yè)11.2.7 橫傾60°NWaterlineKG重心CGPNKKN浮心CBN 浮力作用線(xiàn)11.2.8 橫傾70°NWaterlineKG重心CGKPNKN浮心CBN 浮

34、力作用線(xiàn)A4第頁(yè)12.穩(wěn)性校核12.1 作業(yè)工況(滿(mǎn)載)kN*m15000復(fù)原力矩12000900060003000010°20°30°40°風(fēng)傾力矩50°     60°     70°根據(jù)規(guī)范第3篇第2.3.1.1節(jié),對(duì)柱穩(wěn)式平臺(tái)，典型完整狀態(tài)靜水力圖2.2.1.1中至第2交點(diǎn)或進(jìn)水角處的復(fù)原力矩曲線(xiàn)下的面積中的較小者，至少應(yīng)比至同一限定角處風(fēng)傾力矩曲線(xiàn)下面積大30%。本平臺(tái)沒(méi)有完整穩(wěn)性校核中會(huì)導(dǎo)致計(jì)入浮力的艙室進(jìn)水的進(jìn)水點(diǎn)。因本平臺(tái)填充了較多壓載，復(fù)原力臂較大，復(fù)原力矩與風(fēng)傾力矩交點(diǎn)對(duì)應(yīng)的橫傾角較大。因此本計(jì)算書(shū)中上述限定角取70°，該取值比實(shí)際偏于安全。復(fù)原力矩曲線(xiàn)下的面積為9476.4 kN*m*rad風(fēng)傾力矩曲線(xiàn)下的面積為2820.3 kN*m*rad復(fù)原力矩曲線(xiàn)下的面積比風(fēng)傾力矩曲線(xiàn)下的面