LNG泊位靠泊设施及结构设计
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LNG berth berthing facilities and structure design
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    摘要:

    LNG船型干舷高、外侧弧度大、船体中心不对称于管汇中心,靠泊时会遇到船舶与护舷接触点过高、与护舷接触面积过少的问题,常规靠船结构及设施难以适应多等级船舶的停靠要求,存在靠泊安全隐患。针对此问题,结合嘉兴港某LNG码头进行靠泊结构设计和靠泊设施布置,通过不同船舶在不同作业工况下的船岸匹配,分析橡胶护舷和船体平行舯体长度的匹配度,提出在靠船墩内侧上方设置反向靠船构件,优化内、外侧橡胶护舷布置高程,以满足多种等级船型靠泊适应性,保证船舶与护舷的接触面积,避免护舷局部压强变大,船体受损。采用物模试验测定船舶运动量、系缆力和撞击力等物理量,验证靠船构件和护舷布置的合理性,确保满足LNG船舶安全靠泊的作业要求。

    Abstract:

    LNG vessel has a high freeboard,a large outward curvature,and an asymmetrical hull center relative to the manifold center.When berthing,it encounters issues of contact points between the vessel and fender being too high and having insufficient contact area.Conventional berthing structures and facilities are unable to accommodate the berthing requirements of various vessel classes,and there are hidden dangers in berthing safety.To solve this problem,this paper carries out berthing structure design and berthing facility layout in combination with an LNG terminal in Jiaxing Port.It analyzes the compatibility between rubber fenders and the parallel length of the vessel's side by considering vessel-shore matching under different operating conditions.It is proposed to install reverse berthing components above the inner side of the berthing dolphins,optimize the arrangement of inner and outer rubber fenders to accommodate various vessel classes and ensure sufficient contact area between vessels and fenders,thus avoiding excessive local pressure on the fenders and hull damage.Physical model tests are conducted to measure the physical parameters,such as vessel motion,mooring force,and impact force to validate the rationality of the berthing components and fender arrangement,ensuring compliance with safety berthing requirements for LNG vessels.

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钱怡杰,潘志刚. LNG泊位靠泊设施及结构设计[J].水运工程,2024(5):61-66.

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  • 在线发布日期: 2024-05-10
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