浮游穩(wěn)定計(jì)算CX1-4[1]

1、 CX1型沉箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式體積Vi形心距體積距XiYiViXiViYi整體13.95×12.05×12.32067.59906.15012715.74馬腿1.85×0.35×2.675×23.4646.211.0521.4838.279前趾11.8×0.75×0.54.4256.40.2528.321.10611.8×0.75×0.2/20.8856.2750.5675.550.502后趾11.8×1.2×0.57.08-6.6250.25-46.911.7711

2、.8×1.2×0.2/21.416-6.4250.567-9.10.802空腔1.075×10.85×12.3×2-286.928-0.056.1514.35-1764.61倉(cāng)格(3.6×3.65-0.22×2)×11.8×9-1386.97-0.056.469.35-8876.6透水孔×0.052×4.50.035-0.058.5-0.0020.30底角0.22×(3.45+3.4)×92.466-0.050.567-0.1231.40合計(jì)413.47182.92

3、2118.66A 由于沉箱前后趾、壁厚大小不同及馬腿影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心） Mx=82.92 kN·m需要后三倉(cāng)加水,加水深度t(3.6×3.65-0.22×2)×t-0.22×(3.45+3.4)×3×1.025×3.9=Mx×2.513.06×t-0.274=17.285 t=1.35 mB 加水后1.4m的浮游穩(wěn)定性加水的重力及對(duì)沉箱底的重量距g=(3.6×3.65-0.22×2)×1.4-0.22×(3.45+3

4、.4)×3×1.025=55.38 kNMy=g×1.2=66.46 kN·m沉箱總重量 G=V×2.5+g=1089.06 kN重心高度 Yc=(My+My)/G= 4.914 m排水體積 V=G/1.025=1062.495 m3前后趾排水體積 v=13.806 m3沉箱吃水 T=(V-v)/A=7.244 m浮心高度 Yw=(V-v)×T/2+vYv)/V=3.579 m重心到浮心距離 a=Yc-Yw=1.336 m定傾半徑 =(I-i)/V=1.628 m定傾高度 m=-a=0.292>0.2滿足浮游穩(wěn)定要求 CX2型沉

5、箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式體積Vi形心距體積距XiYiViXiViYi整體13.95×14.6×12.32505.1406.15015406.6馬腿1.85×0.35×2.675×23.4647.47511.0525.894338.279前趾11.95×0.75×0.54.4817.6750.2534.39361.12011.95×0.75×0.2/20.8967.550.56676.766690.508后趾11.95×0.65×0.53.884-7.6250.25-29.6

6、140.97111.95×0.65×0.2/20.777-7.5170.5667-5.83860.440空腔1.0×13.4×12.3×2-329.64-0.056.1516.482-2027.3倉(cāng)格(3.65×4.5-0.22×2)×11.8×9-1735.84-0.056.486.792-11109透水孔×0.052×4.50.0353-0.058.5-0.00180.30底角0.22×(3.45+4.3)×92.79-0.050.5667-0.13951.58

7、1合計(jì)455.99134.7352313.16A 由于沉箱前后趾、壁厚大小不同及馬腿影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心）Mx=134.735 kN·m需要后三倉(cāng)加水,加水深度t(3.65×4.5-0.22×2)×t-0.22×(3.45+4.3)×3×1.025×4.75=M×2.516.35×t-0.31=23.0612 t=1.43 mB 加水后1.5m的浮游穩(wěn)定性加水后的重力及對(duì)沉箱底的重量距g=(4.5×3.65-0.22×2)×1.5

8、+0.22×(3.45+4.3×3×1.025=74.438 kNMy=g×1.25=93.048 kN·m沉箱總重量 G=V×2.5+g=1214.412 kN重心高度 Yc=(My+My)/G= 4.84 m排水體積 V= G/1.025=1184.79 m3前后趾排水 v=10.038 m3沉箱吃水 T=(V-v)/A=6.665m浮心高度 Yw=(V-v)×T/2+vYv)/V=3.307m重心到浮心距離 a= Yc-Yw=1.532m定傾半徑 =(I-i)/V=2.622 m定傾高度 m=-a=1.09>0.

9、2滿足浮游穩(wěn)定要求 CX3型沉箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式體積Vi形心距體積距XiYiViXiViYi整體19.95×12.05×12.32956.88906.15018184.87馬腿0.35×2.675×1.85×35.1966.211.0532.2257.418前趾18.4×0.75×0.56.96.40.2544.161.72518.4×0.75×0.2/21.386.2750.5678.660.782后趾18.4×1.2×0.511.04-6.6250.25-73.1

10、42.7618.4×1.2×0.2/22.208-6.4250.567-14.191.2512空腔0.775×10.85×12.3×2-206.855-0.056.1510.34-1272.16倉(cāng)格(3.6×3.65-0.22×2)×11.8×12-1849.296-0.056.492.46-11835.5(2.6×3.65-0.22×2)×11.8×3-333.114-0.056.416.66-2131.93透水孔×0.052×7.90.062

11、-0.058.5-0.0030.527底角0.22×(3.45+3.4)×123.288-0.050.567-0.1641.8630.22×(3.45+2.4)×30.702-0.050.567-0.0350.398合計(jì)598.4116.973012.01A 由于沉箱前后趾、壁厚大小不同及馬腿影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心）Mx=116.97 kN·m需要后四倉(cāng)加水加水深度t(3.6×3.65-0.22×2)×t+0.22×(3.45+3.4)×4×1.025

12、×3.9=M×2.513.06×t-0.274=18.288 t=1.42 mB 加水后1.5m的浮游穩(wěn)定性加水后的重力及對(duì)沉箱底的重量距g=(3.6×3.65-0.22×2)×1.5-0.22×(3.45+3.4)×4×1.025=79.196 kNMy=99.00 kN·m沉箱總重量 G=V×2.5+g=1575.196 kN重心高度 Yc=(My+My)/G= 4.843 m排水體積 V= G/1.025=1536.777 m3前后趾排水體積 v=21.528 m3沉箱吃水 T=

13、(V-v)/A=6.777 m浮心高度 Yw=(V-v)×T/2+vYv)/V=3.345 m重心到浮心距離 a= Yc-Yw=1.498 m定傾半徑 =(I-i)/V=1.732 m定傾高度 m=-a=0.234>0.2滿足浮游穩(wěn)定要求 CX4型沉箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式體積Vi形心距體積距XiYiViXiViYi整體19.95×14.6×12.33582.62106.15022033.12馬腿1.85×0.35×2.675×35.19618757.4511.0538.711657.418前趾18.4×0

14、.75×0.56.97.6750.2552.95751.72518.4×0.75×0.2/21.387.550.56710.4190.782后趾18.4×0.65×0.55.98-7.6250.25-45.59751.49518.4×0.65×0.2/21.196-7.5170.567-8.989930.678空腔0.775×13.7×12.3×2-261.1905-0.056.1513.05953-1606.32倉(cāng)格(3.65×4.5-0.22×2)×11.8&#

15、215;12-2314.452-0.056.4115.7226-14812.5(2.4×4.5-0.22×2)×11.8×3-379.488-0.056.418.9744-2428.72透水孔×0.052×7.90.062015-0.058.5-0.00310.5271底角0.22×(3.45+4.3)×123.72-0.050.567-0.1862.1080.22×(2.2+4.3)×30.78-0.050.567-0.0390.442合計(jì)652.7047195.033250.314A 由于沉

16、箱前后趾、壁厚大小不同及馬腿影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心）Mx=195.03 kN·m需要后四倉(cāng)加水，加水深度t(3.65×4.5-0.22×2)×t-0.22×(3.45+4.3)×4×1.025×4.75=M×2.516.35×t-0.31=25.03583 t=1.51 mB 加水后1.5m的浮游穩(wěn)定性加水后的重力及對(duì)沉箱底的重量距g=(3.65×4.5-0.22×2)×1.5-0.22×(3.45+4.3)×4

17、×1.025=99.25075 kNMy=24.063 kN·m沉箱總重量 G=V×2.5+g=1731.013 kN重心高度 Yc=(My+My)/G=4.766 m排水體積 V=G/1.025=1688.793 m3前后趾排水體積 v=15.456 m3沉箱吃水 T=(V-v)/A=6.198 m浮心高度 Yw=(V-v)×T/2+vYv)/V=3.073 m重心到浮心距離 a=Yc-Yw=1.693 m定傾半徑 =(I-i)/V=2.801 m定傾高度 m=-a=1.11>0.2滿足浮游穩(wěn)定要求 CX5型沉箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式

18、體積Vi型心距體積距XiZiYiViXiViZiViYi整體17.45×14.6×12.33133.67006.150019272.1透水孔×0.052×6.2-0.0480.0500.25-0.0020-0.012前趾15.8×0.75×0.55.9257.67500.2545.4701.48115.8×0.75×0.2/21.1857.5500.5678.94700.6715后趾15.8×0.65×0.55.135-7.62500.25-39.1501.28415.8×0.65&#

19、215;0.2/21.027-7.51700.567-7.7200.582空腔0.825×13.7×12.3×2-278.04-0.0506.1513.900-1710馬腿1.85×0.35×2.675×23.4647.4752.0511.0525.897.138.281.8×0.35×2.6751.6857.475-6.9811.0512.60-11.818.622倉(cāng)格(3.65×4.5-0.22×2)×11.8×12-2314.5-0.0506.4115.720-1481

20、3底角0.22×(3.45+4.3)×123.72-0.0500.567-0.1902.108合計(jì)563.27175.47-4.72812.64A 由于沉箱前后趾、壁厚大小不同及馬腿影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心）Mx=175.475 kN·mMz=-4.70 kN·m 很小可以不作考慮需要后四倉(cāng)加水，加水深度t(3.65*4.5-0.22*2)*t-0.22*(3.45+4.3)*4*1.025*4.75=Mx*2.516.35*t-0.31=22.526 t1=1.40 m2、加水1.4m后的浮游穩(wěn)定性加水后的重力及對(duì)沉箱底

21、的重量距g=(3.65*4.5-0.22*2)*1.4-0.22*(3.45+4.3)*4*1.025=92.55 kNMy1=111.06 kN·m沉箱重量 G=V×2.5+g=1500.725 kN重心高度 Yc=(My+My)/G=4.76 m排水體積 V=G/1.025=1464.122 m3前后趾排水 v=13.272 m3沉箱吃水 T=(V-v)/A=6.25 m浮心高度 Yw=(V-v)×T/2+vYv)/V=3.10 m重心到浮心距離 a= Yc-Yw=1.66 m定傾半徑=(I-i)/V=2.79 m定傾高度m=-a=1.13>0.2滿足浮

22、游穩(wěn)定要求 HD4型沉箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式體積Vi型心距體積距XiZiYiViXiViZiViYi整體26.4×21×16.39036.720-0.158.150-1355.573649.27底孔×0.652×0.5×49-32.5030.21.550.25-6.501-50.38-8.12573前后趾25.6×0.5×0.5×212.80-0.150.250-1.923.225.6×0.5×0.22.560-0.150.570-0.3841.450667空腔0.45×

23、20×16.3-146.7012.838.150-1881.4-1195.610.75×20×16.3-244.50-12.988.1503172.4-1992.68倉(cāng)格(2.9×2.8-0.22×2)×15.8×48-6097.5-1.308.47926.80-51219.3(2.9×2.3-0.22×2)×15.8×8-832.988.9508.4-74550-6997底角0.22×(2.7+2.6)×4810.176-1.300.57-13.2305.7664

24、0.22×(2.7+2.1)×81.5368.9500.5713.74700.8704合計(jì)1709.58465.68-117.2312247.85A 由于沉箱前后趾、壁厚大小不同的影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心）Mx=465.68 kN·mMz=-117.23 kN·m需要后八倉(cāng)加水，加水深度t(2.9×2.8-0.22×2)×t-0.22×(2.7+2.6)×8×1.025×8.8=Mx×2.58.04×t-0.212=16.13 t=2

25、.03 m右倉(cāng)加水，加水深度t1、t2(2.9×2.8-0.22×2)×(t1+t2)-0.22×(2.7+2.6)×5×1.025×10.85=-Mz×2.58.04×(t1+t2)-0.212=5.2711.3×4×t1=6.2×t2t1=0.31 m t2=0.37 mB 后八倉(cāng)加水2.0m,左五倉(cāng)加水0.4m的浮游穩(wěn)定性加水后的重力及對(duì)沉箱底的重量距g=(2.9×2.8-0.22×2)×2.0-0.22×(2.7+2.6)

26、15;8×1.025=130.18kNg=(2.9×2.8-0.22×2)×0.4-0.22×(2.7+2.6)×5×1.025=15.40kNMy1=195.18 kN·mMy2=10.785 kN·m沉箱總重量 G=V×2.5+g=4419.456 kN重心高度 Yc=(My+My)/G=6.975 m排水體積 V= G/1.025=4311.664 m3前后趾排水 v=15.36 m3沉箱吃水 T=(V-v)/A=8.077 m浮心高度 Yw=(V-v)×T/2+vYv)/V=4

27、.025 m重心到浮心距離 a= Yc-Yw=2.95 m定傾半徑 =(I-i)/V=4.34定傾高度 m=-a=1.39>0.2滿足浮游穩(wěn)定要求 HD4型沉箱以沉箱倉(cāng)格中心為計(jì)算圓點(diǎn)名稱計(jì)算式體積Vi型心距體積距XiZiYiViXiViZiViYi整體26.4×21×16.39036.720-0.158.150-1355.573649.27底孔×0.652×0.5×49-32.5030.21.550.25-6.501-50.38-8.126前后趾25.6×0.5×0.5×212.80-0.150.250-1

28、.923.225.6×0.5×0.22.560-0.150.570-0.3841.451空腔0.45×20×16.3-146.7012.838.150-1881.4-1195.610.75×20×16.3-244.50-12.988.1503172.39-1992.68倉(cāng)格(2.9×2.8-0.22×2)×15.8×48-6097.5-1.308.47926.80-51219.3(2.9×2.3-0.22×2)×15.8×8-832.988.9508.4-

29、74550-6997底角0.22×(2.7+2.6)×4810.176-1.300.57-13.2305.76640.22×(2.7+2.1)×81.5369.000.5713.74700.8704合計(jì)1709.58465.68-117.2312247.85A 由于沉箱前后趾、壁厚大小不同以及鋼護(hù)筒重量影響，重心不在中心上,需要加水調(diào)平不平衡力矩（對(duì)沉箱中心）Mx=465.67942 kN·mMz=-117.2315 kN·m鋼護(hù)筒重量G=×1.5×0.01×49×16.3×7.8&#

30、215;103=293426=293.43 T需要后八倉(cāng)加水，加水深度t(2.9×2.8-0.22×2)×t-0.22×(2.7+2.6)×8×1.025×8.8=Mx×2.5+G×0.28.04×t-0.212=16.95 t=2.1341838 m左五倉(cāng)加水，加水深度分別為t1、t2(2.9×2.8-0.22×2)×(t1+t2)-0.22×(2.7+2.6)×5×1.025×10.85=G×1.55+Mz

31、15;2.58.04×(t1+t2)-0.212=2.9091.3×4×t1=6.2×t2t1=0.18 m t2=0.21 mB 后八倉(cāng)加水2.1m,左五倉(cāng)加水0.2m的浮游穩(wěn)定性加水后的重力及加水和鋼護(hù)筒對(duì)沉箱底的重量距g=(2.9×2.8-0.22×2)×2.1-0.22×(2.7+2.6)×8×1.025=136.71 kNg=(2.9×2.8-0.22×2)×0.2-0.22×(2.7+2.6)×5×1.025=7.15 kNMy1=211.901 kN·mMy2=4.293 kN·mMy2=G×8.15=2391.455 kN·m沉箱總重量 G=V×2.5+g+G=711.234 kN重心高度 Yc=(My+My)/G=7.05 m排水體積 V=G/1.025=4596.33 m3前后趾排水 v=15.36 m3沉箱吃水 T=(V-v)/