共查询到20条相似文献,搜索用时 140 毫秒
1.
本文在5800DWT双壳体油船结构设计过程中对MARPOL73/78附则I13F条款认识的基础上,着重就船舶主尺度要素对双壳体油船的影响,货舱容设计计算以及船体结构重量估算等问题进行了讨论。 相似文献
2.
对散货船发生严重海损事故的原因进行了分析,并预测在下个世纪散货船船体结构型式的发展趋势将朝着单舷侧,双舷侧及双层舱壁等多元化结构模式发展。 相似文献
3.
4.
大型散货船船体损伤事故及对策研究 总被引:3,自引:1,他引:2
该文对近年来发生的大量大型散货船船体损伤及沉船事故的结构力学原因及管理原因进行了全面研究分析,指出了船体结构设计缺陷部位和管理不善的要点。具体描述了破损发展过程。提出了新散货船船体结构型式的改进方案;提出了现有散货船船体结构的加强措施;提出了加强管理的具体意见。 相似文献
5.
本文介绍了普通双壳体油船的一些特点,并将新型双壳体油船与普通双壳体油船和传统单壳体油船加以比较后提出了两个改进方案。 相似文献
6.
简要介绍了"散货船船体结构建造质量"和"散货船船体结构修理质量"两项国际标准的编制情况及经验. 相似文献
7.
船体结构局部强度的缺陷是很多散货船的重大隐患。成为保持船级检验和PSC检查的重点。为此.总结了散货船的船体检验和PSC在局部强度、船体结构方面的检查项目,并对船公司和船员在实际工作中的安全管理提出了相应的对策。 相似文献
8.
通过对过去十多年来的散货船安全事故统计进行分析,介绍了散货船的安全问题并计算了各舱室的进水概率,重点介绍了散货船的危险因素和需要加强或改造的区域.根据双壳体的一些试验,分析了双舷侧散货船的安全提升和一些值得商榷的问题并提出了通过改进结构型式解决安全问题的观点. 相似文献
9.
10.
11.
12.
本文对53000吨系列双壳散货船的结构设计作简要阐述,就该系列船在设计过程中所遇到的问题及解决方法作了详细介绍。 相似文献
13.
14.
Effective plating in elastic–plastic range of primary support members in double-skin ship structures
《Marine Structures》2007,20(3):115-123
The main objective of this paper is to obtain the effective breadth of the flange plating of the primary support members in the double-skin ship structures in the limit state and an elastic–plastic range. A typical behavior of double-skin structures is qualitatively studied on the basis of nonlinear finite element (FE) analysis of a wide box-like beam. Quantitative evaluations of the breadth of the effective plating are obtained from the FE parametric study of the plates under an in-plane load. The distribution of normal stress in the cross section of a plate (beam flange) in the limit state is found to be close to uniform. The formulations for the effective plating breadth of double-skin structures in the elastic–plastic range are also presented. 相似文献
15.
船体结构的缺陷是老龄散货船的重大隐患,近年呈逐年上升趋势,并成为保持船级检验和PSC检查的重点。总结了老龄散货船的船体检验和PSC在结构方面的检查项目,并对船公司和船员在实际工作中的安全管理提出了相应的对策。 相似文献
16.
17.
Global strength is a significant item for floatingproduction storage and offloading (FPSO) design, and steel weightplays an important role in the building costs of FPSO. It is the maintask to consider and combine these two aspects by optimizing hulldimensions. There are many optional methods for the globalstrength analysis. A common method is to use the ABS FPSOEagle software to analyze the global strength including the rulecheck and direct strength analysis. And the same method can beadopted for the FPSO hull optimization by changing the depth.After calculation and optimization, the results are compared andanalyzed. The results can be used as a reference for the futuredesign or quotation purpose. 相似文献
18.
The research performed in this paper was carried out to investigate the computational procedure to design seakeeping optimized ship hull form. To reach the optimized hull form, four stages should be done, which consists of: generate alternative hull form, seakeeping calculations, objective functions and optimization techniques. There are many parameters that may be determined in ship hull form optimization. This paper deals with developed strip theory for determining the seakeeping performance, genetic algorithm(GA) as optimization method, high order equations for curve fitting of the hull form and finally reaching to the minimum bow vertical motion in regular head waves. The Wigley hull is selected as an initial hull and carried to be optimized. Two cases are considered. For the first case, the only form coefficients of the hull(C B, C M, C W, C P) are changed and main dimensions(L, B, T) are fixed. In the second case both hull form and main dimensions are varied simultaneously. Finally, optimized hull form and its seakeeping performances are presented. The results of optimization procedure demonstrate that the optimized hull forms yield a reduction in vertical motion and acceleration. 相似文献
19.
通过有限元直接计算,对不同载重量散货船要求采用不同结构形式从理论上进行了一定分析说明.具体针对双层底板架, 底边水舱, 以及底墩下纵桁等结构进行分析, 找出热点应力所在之处, 并根据热点应力形成原因, 得出结构形式上的应对方法. 相似文献