| 椭圆沉箱浮游稳定的计算法 |
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| 引用本文： | 董中亚. 椭圆沉箱浮游稳定的计算法[J]. 水运工程, 2011, 0(1): 87-93 |
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| 作者姓名： | 董中亚 |
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| 作者单位： | 中交四航局第二工程有限公司,广东,广州510231 |
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| 摘 要： | 在矩形箱格的矩形沉箱和扇形箱格之圆形沉箱的浮游稳定计算原理的基础上,对两种类型椭圆沉箱两端半圆段内不同几何形状的箱格之自身对称轴的惯性矩,经图形转轴公式和平行移动公式转换,并经数学推导得到对椭圆形沉箱纵向形心轴平行的箱格自身形心轴的惯性矩i及其之和Σi的计算式,从而解决了椭圆形沉箱浮游稳定计算的问题。
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| 关 键 词： | 椭圆沉箱 惯性矩 平行移动 转轴公式 |
Computation method for floating stability of elliptical caissons |
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| DONG Zhong-ya. Computation method for floating stability of elliptical caissons[J]. Port & Waterway Engineering, 2011, 0(1): 87-93 |
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| Authors: | DONG Zhong-ya |
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| Affiliation: | DONG Zhong-ya(Second Engineering Co.of CCCC Forth Harbor Engineering Co.,Ltd.,Guangzhou 510231,China) |
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| Abstract: | Based on the calculation principle of floating stability of rectangular caisson with rectangular partition wall and cylinder caisson with fan-shaped partition wall,through transformation by axial conversion formula and translatory formula,the computation formula for moment of inertia i and the sum ∑i of elliptical caissons are derived. |
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| Keywords: | elliptical caisson partition wall moment of inertia translation axial conversion formula |
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