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随着渤海湾周边地区经济的快速发展,渤海湾水域的水上运输已经成为辽宁、山东、天津、河北等地客货运输的动脉和纽带,海上交通运输繁忙,在烟台——大连这条“黄金水道”滚装航线上,每年共仃瓦、六百万名乘客、近百万台车辆往返大连和娴台之间。渤海湾水域特殊的地理位置和气象条件以及客运滚装船营运的特殊性,使滚装船的运营安全一直是全社会关注的焦点。自1985年渤海湾第一艘滚装船投人营运以来,特别是1993年交通部放开渤海湾海上营运市场以后,渤海湾海上滚装运输迅猛发展。 相似文献
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烟台至大连航区是渤海湾最具生命力的海上通道,也是渤海湾滚装航线的典型代表。两地直线距离89海里,最近距离仅66海里(蓬莱至旅顺),发展海上滚装运输条件得天独厚,已成为缓解运输压力、繁荣区域经济的重要运输方式,吸引两岸旅客和车货连年增长。 相似文献
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1999年11月24日,“大舜”轮在渤海湾航行途中发生火灾后沉没,给国家和人民群众生命财产造成了重大损失,.渤海湾客滚运输安全与否,事关人民群众切身利益和经济社会发展稳定。十年后的今天,渤海湾客滚船的安全状况发生了翻天覆地的变化,客滚运输的安全形势不断好转,尤其是近6年来无一船沉没,无一人死亡,实现了渤海湾客滚运输由危转安的历史性跨越。 相似文献
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安全畅通的"黄金航线"——透视渤海湾客滚运输安全管理 总被引:2,自引:0,他引:2
渤海湾特殊的地理环境造成海上交通事故多发,被交通部列为“四区一线”重点监管水域之一,渤海湾客滚船也被交通部确定为“四客一危”重点监控船舶之一。据统计,1997年至2003年,渤海湾共发生客滚船重特大水上交通事故8起,造成300多人死亡或失踪,直接经济损失数亿元。而2004年至今,该水域虽发生过3起客滚船事故,但无一艘船舶沉没、无一人死亡,渤海湾客滚运输安全形势明显好转。日前,本刊记者就渤海湾客滚运输的安全管理情况走访了相关政府部门和企业。 相似文献
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客滚运输发展迅猛并将继续保持良好的态势。近年来,客滚船舶安全工作取得了长足的进步,如何实现客滚运输安全的长期稳定、不断探索客滚船安全管理空间显得更加迫切。本文结合欧盟地区我渤海湾在区关于客滚船安全管理的简要历程,提出了引进智力,开展渤海湾和欧盟地区客滚船安全营运比较研究及客滚船安全评估等建议。 相似文献
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近年来随着大量新船相继投入渤海湾客滚运输,渤海湾客滚市场形势也发生了深刻的变化。通过对渤海湾客滚运输发展历程的研究、客滚运输综合情况的分析,力求发现一些当前渤海湾客滚运输中存在的问题,探求渤海湾客滚运输健康发展的趋势: 相似文献
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Jacket platforms in the Bohai Gulf are often victims of random ice-induced vibrations. Their design originally did not account for dynamic ice loading on the jacket structures and significant ice-induced vibrations have been observed during winters. So it is urgent to find out as to how to consider the dynamic ice loading in the design stage of an ice-resistant jacket platform in the Bohai Gulf. In this paper, based on the state-of-art developments of dynamic ice load and ice–structure interaction, the authors proposed two different approaches to determine the short-term dynamic ice cases for dynamic analysis of ice-resistant jacket platform in the Bohai Gulf, named as the failure probability-based approach and the expected loss-based approach. Considering the variation of the ice environments and the variability of ice-resistant structure's properties, the random ice spectrum and the pseudo-excitation method (PEM) are employed to improve the efficiency of the procedure. Through finite element method (FEM) modeling of the real ice-resistant jacket platforms in the Bohai Gulf, such as MSW, MUQ and NW, the characteristics of the two proposed approaches have been investigated and compared. This paper provides an open and universal framework to assist designers and owners for determining the short-term dynamic ice cases in the Bohai Gulf, in which more information can be considered in the procedure to update and modify the results if available. 相似文献
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智能交通系统是以信息采集、处理、融合、交换、分析、控制和发布为一体的智能运输管理系统,它以提高交通管理、运输效率和安全服务为目标,引领交通行业向现代交通运输业转变。“十二五”期间,我国智能交通发展趋势体现在推进综合交通运输、城市公共交通发展,实现节能减排、安全出行等多个方面。 相似文献
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《Maritime Policy and Management》2012,39(8):995-1010
ABSTRACTCombining ro-ro shipping and tractor-and-semitrailer swap transport under land-sea combined transportation can reduce operating costs and improve the safety of maritime transport. In addition, selection of the tractor-and-semitrailer swap mode (i.e., the ship-swap mode and port-swap mode) is a critical factor that affects the efficiency and cost of ro-ro ship loading/unloading. Considering inland pickup/delivery and ship loading/unloading, this paper develops a model that determines the mode of tractor-and-semitrailer swap transport with the objective of minimizing the total cost. This study also considers constraints such as empty semitrailer exchange and multiple time windows associated with customer receiving/delivery locations and the ro-ro ship. A hybrid simulated annealing (SA) is applied to solve the problem. By analysing numerical examples, the results show that the port-swap mode is more suitable than the ship-swap mode when the number of tasks is large because the port-swap mode can perform more tasks with fewer tractors than the ship-swap mode and because the port-swap mode can service receiving/delivery locations and finish ship loading/unloading more punctually than the ship-swap mode. Thus, this research provides a useful reference for road transport carriers and port firms to select the mode of tractor-and-semitrailer swap transport for ro-ro shipping. 相似文献
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