菜单
  

    摘要作为全球三大主力船型之一,油船向来都是航运业的主流船型,市场需求量大而稳定。然而油运行业的繁忙以及油船本身的结构问题,溢油污染等问题一直饱受关注,油船的结构问题也相应地受到了重视。61820

    油船结构安全问题是很引人注目,但是不仅仅是油船,对于所有船来说结构设计都是值得研究的。除了安全性能的考虑,经济性也是一方面。船舶在建造过程中,有一项技术指标是空船重量,而在其中,80%是结构重量,这也是建造成本的重要组成。如何在保证安全性能的同时,降低结构重量便是工作的重点。

    本次课题按照《国内航行海船建造规范》(2012)对7000吨近海油船进行了结构规范设计。根据总布置图和型线图,分析可知该船在货舱区设有双舷和双底。参照规范和同类型的船舶,该区域内甲板、舷侧(双舷)以及双层底均采用纵骨架式,而非货舱区采用横骨架式。结合设计船资料与《国内航行海船建造规范》(2012)对设计船进行结构规范设计,确定船体各构件的具体尺寸与位置。同时绘制横剖面图和基本结构图,过程中三者对应修正,得到最后的设计方案。最后校核其总纵强度。经过校核,得出结论:船体结构计算书和总纵强度的计算和校核满足《国内航行海船建造规范》的要求。

    毕业论文关键词:油船;结构设计;强度校核

    Abstract Oil tanker has always been the major ship type of marine transportation industry as one of the world’s three main ship type. So the tanker has large and stable market demand. Because of the heavy oil transportation industry and the problem of tanker structures, oil spill accident and other pollution issues have been stared. Also, great importance has been attached to tanker structures. 

    Oil tanker structural safety problem is important. It is worth studying not only on tankers but also the other ships. In addition to the consideration of the safety performance, the economy is on the one hand. There is one of technical indicators called the lightship weight in the ship construction process. 80% of lightship weight is hull structure weight and it is an important part of ship construction costs. We need to make sure its safety. At the same time, how to reduce hull structure weight become the focus of the design work.

    This topic is mainly designed for 7000DWT offshore tanker according to the “Rules For Construction of Sea-going Ships Engaged on Domestic Voyages”(2012). Base on general arrangement plan and lines plan, the cargo area is equipped with the double hull and double bottom. In this area, the double bottom, side and deck adopt the longitudinal framing, other area adopt the transverse framing. According to the “Rules For Construction of Sea-going Ships Engaged on Domestic Voyages”(2012) do the structure design, determine the size and location of the component and check the longitudinal strength. On the basis of the design results and the ship data, drawing midship section plan and general structure plan. Finally, program has been modified by comparing them to find out the best solution. By checking strength to the conclusion that the calculation of structure and check of longitudinal strength has satisfied the “Rules For Construction of Sea-going Ships Engaged on Domestic Voyages”.

    Keywords: Oil tanker; structural design; strength check

    摘  要 V

    Abstract VI

    第一章  绪论 1

    1.1 研究的目的和意义 1

    1.2 国内外研究现状 2

    1.3 设计方法以及问题 4

    1.3.1 结构设计方法

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