| 横向分布载荷作用下简支舟桥甲板的弯曲特性 |
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| 引用本文： | 林铸明,王红霞,王德禹.横向分布载荷作用下简支舟桥甲板的弯曲特性[J].海洋工程,2005,23(4):64-71. |
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| 作者姓名： | 林铸明 王红霞 王德禹 |
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| 作者单位： | 1. 308研究所,江苏,无锡,214035
2. 上海交通大学,船舶与海洋工程学院,上海,200030 |
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| 摘 要： | 采用轻质高强铝合金材料设计舟桥的甲板时,其强度计算是初始设计者最为关心的问题之一.本次研究的舟桥甲板采用三层夹心板的结构形式,其横向分布载荷下的挠度和应力的求解问题与一般的单层板不同,虽然可以用有限元法对此进行结构计算,但在初始设计阶段使用该法的计算量大,不方便应用.本文旨在寻求在横向分布载荷作用下,简支条件时,夹心甲板的挠度和应力的解析解,并与有限元计算相比较,为舟桥甲板初始设计提供良好的基础理论.
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| 关 键 词： | 舟桥 甲板 结构设计 挠度 应力 解析解 |
| 文章编号： | 1005-9865（2005）04-0064-08 |
| 收稿时间： | 2004-10-10 |
| 修稿时间： | 2004年10月10 |
Bend properties of simply supported pontoon decks under transverse loading |
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| LIN Zhu-ming,WANG Hong-xi,WANG De-yu.Bend properties of simply supported pontoon decks under transverse loading[J].Ocean Engineering,2005,23(4):64-71. |
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| Authors: | LIN Zhu-ming WANG Hong-xi WANG De-yu |
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| Institution: | 1. 308 Academy, Wuxi 214035, China; 2. School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong Univ., Shanghai 200030, China |
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| Abstract: | In designing a pontoon deck system which is made of light-weight and high rigidity material, strength calculation is one of the most concerned problems for designers at the beginning stage. The structure of the pontoon deck in this paper is of three layers, and the solutions of deflections and stress under transverse distribution loads are different from those of single plates. Although the FEM method can supply good results, at the beginning stage, it is tedious because of complex truss-core. The paper presents an analytic method for deflections and stress under transverse distribution loads. To verify the analytic formula, an example is given for two methods. This work may provide a good theory for designers at the beginning stage. |
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| Keywords: | pontoon decks structural design deflection stress analytical solution |
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