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透水框架作为一种减速促淤的整治建筑物,近年来在航道整治工程逐步得到推广,在守护工程中应用最为广泛.长江航道规划设计研究院研发了一种新型透水框架——扭双工字型透水框架,并在南京以下12.5 m深水航道建设一期工程通州沙潜堤护底中进行了试验性应用.确定合理的透水框架护底检验标准,是保证防护效果的重要基础,而目前的航道整治工程质量检验标准,并未对此作出明确规定.通过水槽试验提出透水框架护底的检验标准,利用测扫声呐图像分析提出相应的检验方法,并进行了室内光学图像试验验证,符合较好. 相似文献
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对传统护滩结构和新型生态护滩结构进行对比,并对新型生态护滩结构——"生态型护底+异形网箱堤身"的特性及其适用性进行分析。结合工程实例,对新型生态护滩结构施工工艺进行研究,提出适合该结构施工的工艺标准和质量控制方法,为新型生态护滩结构在内河航道整治工程中的应用提供借鉴。 相似文献
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长江口南北港分汊口河段护滩限流工程效果分析 总被引:1,自引:1,他引:0
作为长江口南北港分汊口治理工程的重要组成部分之一,新浏河沙护滩及南沙头通道限流潜堤工程是长江口深水航道上延的基础性工程,也是南北港分汊口河势控制的关键工程。根据现场水沙测验和地形监测资料,从治理工程实施前后汊道分流比、河床冲淤变化、航道条件以及工程结构稳定性等因素入手,初步分析了新浏河沙护滩及南沙头通道限流潜堤工程的实施效果。结果表明,工程实施效果显著,南北港分汊口河段局部河势向不利方向发展的态势基本得到遏制,宝山南、北水道航道条件明显改善,整治建筑物结构安全稳定,总体达到了预期的治理目标,有利地保障了10.5 m深水航道稳定运行,同时也为长江口12.5 m深水航道向上延伸创造了良好条件。 相似文献
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为达成长江口深水航道上延至南京的目标,长江南京以下12.5 m深水航道二期工程在福姜沙水道实施航道整治工程,主要包括福姜沙左缘丁坝、双涧沙头部潜堤、潜堤北侧丁坝及南侧丁坝。根据福姜沙水道航道整治工程实施后的实测数据,与设计阶段数物模预测结果进行对比分析,综合分析工程前后在河势变化、流场变化、航道维护量等方面的实现情况。结果表明:1)工程实施以后,双涧沙沙头冲刷趋势得到较好的控制,上游侧沙头及潜堤北侧丁坝附近淤积明显,沙体体积明显增大。2)福姜沙左缘中上段冲淤相对稳定且总体呈现淤积态势,下段局部存在冲刷。福姜沙左缘沙体体积及面积总体有所增大,整治工程护滩固沙效果较好。3)福姜沙水道整体分流格局未发生显著变化,仅整治建筑物周边水域流场存在调整。4)航道维护量有所增加。工程达到了预期的航道整治目标,工程治理方案合理,航道整治效果符合预期,可为长江中下游潮汐分汊河段航道整治提供参考。 相似文献
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在进行大量调查研究和分析研究的基础上,总结了现有可用于航道整治的绿色环保型材料和工艺的特点及实用性,并以长江中下游航道整治工程为研究对象,研究提出了绿色环保型整治建筑物结构型式及材料,并分别明确了这些材料和结构在航道整治建筑物的护面、护底、护滩以及护岸工程中的适用部位。通过示范工程的实施应用,表明新型结构较传统结构节约投资,具有良好的经济效益;实施后植被生长良好,生态效益明显。研究成果为绿色环保材料在内河航道整治工程中的应用及进一步研究打下基础。 相似文献
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在总结长江航道传统护滩结构的基础上,对混凝土单元排护滩结构的构件设计、结构稳定性等进行分析。结合长江杨林岩水道航道整治工程实际,对混凝土单元排护滩施工工艺、质量控制要点、应用效果等进行阐述,为该结构在类似航道整治工程中的应用提供经验参考。 相似文献
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《船舶与海洋工程学报》2014,(2)
正In the paper"Influence of Fouling Assemblage on the Corrosion Behaviour of Mild Steel in the Coastal Waters of The Gulf of Mannar,India"in Vol.12,No.4,Page:509,References were lost,and the two authors’biographies were identical.The correct text is shown below.We apologize to the authors and our readers for any inconvenience caused by the errors. 相似文献
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《船舶与海洋工程学报》2014,(1):126-126
正San Francisco,California,June 8-13,2014.OMAE 2014 is the ideal forum for researchers,engineers,managers,technicians and students from the scientific and industrial communities from around the world to:·meet and present advances in technology and its scientific support;·to exchange ideas and experiences whilst promoting technological progress and its application in industry·to promote international cooperation in ocean,offshore and arctic engineering.In line with the tradition of excellence of previous OMAE conferences,more than 900 technical papers are planned for presentation.Outreach for Engineers Specialty Forum This Specialty Forum is designed for students and professionals who may not be familiar with the Ocean and Offshore industry,as well as those who have just recently specialized in this field. 相似文献
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联合作战计划和执行系统 总被引:2,自引:1,他引:1
全球指挥控制系统(GCCS)实施当前美国海军网络中心战信息基础设施的联合计划网络。联合作战计划和执行系统(JOPES)支持GCCS实现联合计划。JOPES有两类计划:时间不限的精密预案计划生成作战计划、方案计划或职能计划;时间敏感的危机行动计划生成作战命令或战役方案。前者在和平时期创建的作战计划是后者的计划基础,加速应付危机的能力。 相似文献
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《船舶与海洋工程学报》2014,(1)
正19–24 October 2014 SingaporeCONFERENCE THEMES The overall aim of the ICHD Conference is to provide a forum for participants from around the world to review,discuss and present the latest developments in the broad discipline of hydrodynamics and fluid mechanics.The first International Conference on Hydrodynamics(ICHD)was initiated in 1994 in Wuxi,China.Since then,9 more ICHD conferences were held subsequently in Hong Kong,Seoul,Yokohama,Tainan,Perth,Ischia,Nantes,Shanghai and St Petersburg.Evidently the ICHD conference has become an important event among academics,researchers,engineers and operators,working in the fields closely related to the science and technology of hydrodynamics.The 11th ICHD will be held in Singapore in 2014. 相似文献
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《船舶与海洋工程学报》2014,(2)
正November 4-6,2014Moody Gardens HotelConvention Center/Galveston,TX The Deepwater Operations Conference and Exhibition is celebrating its 12th anniversary this year.This growing event will continue the tradition of excellence in addressing operational challenges involved in developing deepwater resources.We will return to the Moody Gardens Hotel and Convention Center on November 5-7,2014 in Galveston,Texas. 相似文献
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In terms of equal sailing distances, where is the inflexion when ships depart from ports in the Asian Continent to New York via Suez and/or Panama?
The answer is China South Port Group (Hong Kong, Shenzhen and Guangzhou). 相似文献
The answer is China South Port Group (Hong Kong, Shenzhen and Guangzhou). 相似文献
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印尼某电厂项目码头水工建筑物包括码头、防波堤和护岸等主要组成部分。在该项目水工建筑物的设计过程中,综合考虑当地的自然条件、施工能力和材料来源等因素,不断优化结构选型和结构断面。根据不同使用要求,护岸分别采用直立式和斜坡式2种结构型式,推荐的设计方案节省投资、施工方便,可供同类工程设计参考。 相似文献
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桥梁防撞设施物理模型试验 总被引:1,自引:0,他引:1
物理模型试验是预报防撞设施所受撞击力及优化设计方案的主要方法之一。结合杭州湾大桥柔性防撞设施及东海大桥独立式防撞体设计方案,阐述了船—防撞体撞击试验的基本原理、方法、试验方案及相关试验结果。提出了柔性防撞系统的优化方案。试验结果表明,该方案经济有效,可供预报类似桥梁防撞设施撞击力时参考。 相似文献
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Lynne Zeitlin Hale Mark Amaral Abdulrahman S. Issa B. A. J. Mwandotto 《Coastal management》2013,41(1):75-85
Site-based projects were initiated in Chawka Bay-Paje, Zanzibar, and Nyali-Bamburi-Shanzu, Kenya, to demonstrate the benefits of an integrated coastal management (ICM) approach for addressing coastal issues such as tourism development and enhancement of resource-dependent village economies in eastern Africa. A two-year, multidonor project used three primary strategies to make rapid, but sustainable, progress toward ICM. These included using interagency government teams for ICM planning, adopting an internationally recognized framework for ICM as a project ''road map,'' and explicitly incorporating capacity-building strategies into all aspects of the project. Within two years, integrated ICM action strategies, prepared through participatory processes, were being implemented at both sites, and both teams were working to expand the scale and scope of ICM in their nation. More importantly, the project helped create committed, capable, interagency groups that continue to work together to address urgent ICM issues. 相似文献