稳性计算参考书.

1、会签旧底图登记号标记处数 更改文件号签字日期设绘描绘图样标记重量(kg)比例底图登记号校对审核描校R1共      页第      页标检审定日期A4第页目录1. 主要参数 .32. 定义 .33. 计算依据 .34. 主要使用说明 .35. 重量重心估算 .56. 风倾力矩计算.67. 进水点以及进水角 .88. 基本载况稳性

2、总结表 .89. 静水力表.910. 复原力矩计算 .911. 作业工况的等排水量横倾浮态图 .1012. 稳性校核.1813. 横摇周期和横摇角 .20A4第页1.主要参数设计最大吃水 . 10.3 m最大排水量 .198  t整体抗风能力 .14 级六边形边长.9 m2.定义1、单位定义长度单位：米m重量单位：吨t角度单位：度deg2、坐标轴定义X轴：向右为正；Y轴：向首为正；Z轴：向上为正；纵倾：向Y方向的倾斜；横倾：向X方向的倾斜； 本计算书中的坐

3、标定义见上图。以最底层垂荡板底面为基平面，以图中的Y轴为KL线。3.计算依据：本平台为深远海网箱养殖平台。本平台由潜入水中的浮筒、立柱下部、两层垂荡板以及撑杆提供浮力，立柱上部露出水面，为半潜状态。本计算书参照中国船级社海上移动平台入级规范（2016）中对柱稳式平台的相关要求对本平台的稳性进行校核。本计算书中的坐标系定义见上图。本平台结构对称，结构剖面关于X轴的惯性矩与Y轴相同，受风面积相等。因此，Y轴方向的稳性较好。基于以上结论，本计算书对X轴方向的稳性进行校核。4.主要使用说明1) 本计算书对本平台的作业工况（吃水10m）的稳性进行校核，实际运营时出现吃水超出此作业工况，则应重新

4、核算稳性，确保运营中的安全。A4序号项目重量（t）高度（m）垂向矩（t*m）1光发电设备1.5013.1519.732储能设备1.5013.1519.733投饵装备1.5013.1519.734吊机1.0013.1513.155监控设备1.5013.1519.736通讯设备1.5013.1519.737舾装1.5512.5019.388轨道2.0012.6025.209压载263.000.67176.2110结构重量204.206.321290.5411合计479.253.391623.10序号项目重量（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登乘平台1.825.409.836合计204.206.321289.57序号项目重量（t）高度（m）垂向矩（t*m）1平台重量479.253.391623.102人员0.9513.1512.493备品0.0613.150.794饲料2.0013.1526.305合计482.263.451662.69序号项目重量（t）高度（m）垂向矩（t*m）1平台重量479.253.391623.102人员0.9513.1512.493备品0.6013.157.894饲料20.0013.15263.005合计500.8

6、03.811906.49第页5.重量重心估算5.1  结构重量5.2  平台重量5.3 作业工况(满载)重量5.4 作业工况(空载)重量A4构件横倾角立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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杆太阳能电池板栏杆、梯架主甲板端部板登乘平台0.41.00.40.41.01.31.31.3第页6.风倾力矩计算6.1

8、60;风力根据海上移动平台入级规范（以下简称规范）第2篇第2.2.2.1节，作用于构件上的风力按下式计算：F=Ch CS SPKN式中：P风压，kPa;S平台在正浮或倾斜状态时，受风构件的正投影面积，m2 hCh 受风构件的高度系数，其值可根据构件高度由表2.2.2.1（a）选取，本平台构件在海平面以上高度小于15.3m，C 取1；CS 受风构件的形状系数，其值可根据构件形状由表2.2.2.1（b）选取，查该表后得本平台各构件的形状系数取值如下：6.2 计算风压根据第2篇规范第2.2.1.2节，风压按下式计算：P=0.613

9、×10VkPa2-3V设计风速，本平台稳性校核的设计风速为51.5m/s;带入风速值得：P=1.63 kPa6.3 受风构件的正投影面积对任意一个横倾角，垂向受风构件的正投影面积为其侧投影面积乘以该倾角的余弦值，甲板下表面的受风正投影面积为甲板面积乘以该倾角的正弦值。任意横倾角时受风构件的正投影面积SA4构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计1777.89构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计1011.90构件横倾角立柱主甲板下表面甲板室主甲板端

13、部板桅杆栏杆梯架太阳能电池板登乘平台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第页6.4 受风构件的受风面积形心对任意一个横倾角，受风构件的正投影面积形心距水面高度为正浮时的面积形心高度乘以该倾角的余弦值。任意横倾角时受风构件的正投影面积形心距水面(水面距基线KL为4.06m)高度h6.5 风倾力矩计算根据规范第3篇第2.2.1.4节，风倾力矩M 按下式计算：Mq =FZkN*m式中：F计算风力，kN;Z计算风力作用力臂,对每个构件该力臂值为4.4节中计算的高度h 6.5

15、.1 横倾0°时的风倾力矩计算6.5.2 横倾10°时的风倾力矩计算A4构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计2871.35构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计2763.45构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计2383.69构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计2694.39第页6.5.3 横倾20°

22、;时的风倾力矩计算6.5.4 横倾30°时的风倾力矩计算6.5.5 横倾40°时的风倾力矩计算6.5.6 横倾50°时的风倾力矩计算A4项目单位规范要求值作业工况(满载)作业工况(空载)1排水量t500.8482.262重心离基线高度 KGm3.813.453平均吃水 dm4.504.064经自由液面修正后的初稳性高度 GMm0.151.5682.0165复原力矩曲线下的面积超出风倾力矩曲线下的面积m30%307%306%构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计2253.90构件参数立柱主甲板下表面甲板室主甲板端部板桅杆栏杆梯架太阳能电池板登乘平台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 合计1603.68第页6.5.7 横倾60°时的风倾力矩计算6.5.8 横倾70°时的风倾力矩计算7.进水点以及进水角本平台没有完整稳性校核中会导致计入浮力的舱室进水的进水点。本计算书中校核的横倾角范围为0°至70°。8. 基本载况稳性总结表：A4横倾角（°）010203040506070浮力作用线至参考点距离KN（m）0.0000.9442.3213.9025.0155.2985.3125.043复原力臂 （m）PN=KN-K

27、G*SIN()0.0000.2821.0181.9972.5662.3792.0121.463复原力矩 （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湿表面积（m2）496.209501.160506.111511.062516.012520.963水线面面积（m2）41.19941.13041.06140.99240.92340.855浮心

28、距基线高度（m）1.6861.7061.7271.7481.7701.792横稳心距基线高度KMt（m）5.4785.4565.4345.4145.3965.378横倾角（°）010203040506070浮力作用线至参考点距离KN（m）0.0001.0322.5024.0975.2125.4385.4665.125复原力臂 （m）PN=KN-KG*SIN()0.0000.4331.3222.3722.9942.7952.4781.883复原力矩 （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湿表面积（m2）525.914530.865535.815540.766545.717水线面面积（m2）40.78640.71940.65340.58740.521浮心距基线高度（m）1.8151.8381.8621.8861.910横稳心距基线高度KMt（m）5.3625.3475.3335.3205.309第页9.静水力表纵倾0°，横倾0°纵倾0°，横倾0°10.复原力矩计算10.1 作业

30、工况(满载)复原力矩计算排水量：500.8t吃水 D：4.5m重心高 KG ：3.81m10.2 作业工况(空载)复原力矩计算排水量：482.26t吃水 D：4.06m重心高 KG ：3.45mA4KGKBKG第页11.作业工况的等排水量横倾浮态图11.1 作业工况(满载)作业工况(满载)排水量：500.8t重心高 KG ：2.99m11.1.1 横倾0°Waterline重心CG浮心CBK11.1.2 横倾10°NWaterline重心CGK浮心CBPN

31、KNN 浮力作用线A4KGKG第页11.1.3 横倾20°NWaterline重心CGPNKN浮心CBKN 浮力作用线11.1.4 横倾30°NWaterline重心CGPN浮心CBKKNN 浮力作用线A4KG第页11.1.5 横倾40°NWaterline重心CGKPNKNN 浮力作用线11.1.6 横倾50°NWaterlineKG重心CGKPN浮心CBKNN 浮力作用线A4第页11.1.7 横倾60°NWaterlineKG重心CGPNKK

32、N浮心CBN 浮力作用线11.1.8 横倾70°NWaterlineKG重心CGKPNKN浮心CBN 浮力作用线A4KGKBKG第页11.2 作业工况(空载)作业工况(空载)排水量：495.76t重心高 KG ：2.89m11.2.1 横倾0°Waterline重心CG浮心CBK11.2.2 横倾10°NWaterline重心CGKPN浮心CBKNN 浮力作用线A4KGKG第页11.2.3 横倾20°NWaterline重心CGKPNKNN 浮力

33、作用线11.2.4 横倾30°NWaterline重心CGPN浮心CBKKNN 浮力作用线A4KG第页11.2.5 横倾40°NWaterline重心CGPNKKN浮心CBN 浮力作用线11.2.6 横倾50°NWaterline重心CGKGPNK浮心CBKNN 浮力作用线A4第页11.2.7 横倾60°NWaterlineKG重心CGPNKKN浮心CBN 浮力作用线11.2.8 横倾70°NWaterlineKG重心CGKPNKN浮心CBN 浮

34、力作用线A4第页12.稳性校核12.1 作业工况(满载)kN*m15000复原力矩12000900060003000010°20°30°40°风倾力矩50°     60°     70°根据规范第3篇第2.3.1.1节,对柱稳式平台，典型完整状态静水力图2.2.1.1中至第2交点或进水角处的复原力矩曲线下的面积中的较小者，至少应比至同一限定角处风倾力矩曲线下面积大30%。本平台没有完整稳性校核中会导致计入浮力的舱室进水的进水点。因本平台填充了较多压载，复原力臂较大，复原力矩与风倾力矩交点对应的横倾角较大。因此本计算书中上述限定角取70°，该取值比实际偏于安全。复原力矩曲线下的面积为9476.4 kN*m*rad风倾力矩曲线下的面积为2820.3 kN*m*rad复原力矩曲线下的面积比风倾力矩曲线下的面