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大水位差码头通常指设计水位差为10-17m,设置3-4层以上系烤串结构或浮式系靠传设市的高桩码头。三峡库区蓄水后的水位变化幅度在30m左右,属于特大水位差码头,在该流域建成的码头泊位基本采用多层系缆高桩结构。结合实际工程,对特大水位差码头传统系靠泊结构的计算,探讨受力较为合理、造价较为低廉、施工较为方便快捷的设计方案。 相似文献
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《水道港口》2017,(3):269-273
在役高桩码头检测评估中桩身完整性是必测项目,根据现行水运行业标准一般采用低应变反射波法,抽检数量不少于桩总数的10%或20%,且不得少于10根,当检测发现缺陷桩时,应扩大桩的抽检比例。根据多年在役高桩码头安全检测评估、尤其是交通运输部开展码头靠泊能力核查和沿海港口码头结构加固改造工作中遇到的问题,通过现行水运工程和相关行业规范的对比分析,结合桩基完整性检测割桩损伤对码头水平承载力影响计算结果,探讨了桩基完整性检测抽样比例的合理性。提出在役高桩码头安全检测应以码头桩基施工质量合格为基础,以排除运行过程中产生的安全隐患为目的。安全检测时只需考虑在役高桩码头运行年限、靠泊方式、运行环境、异常靠泊率和结构型式等运行因素,选择较不利受力以及外观检查中桩基完整性存疑的桩基作为对象进行验证检测。 相似文献
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通过在桩身一定的位置施加一个轴向弹簧,建立高桩码头的桩基计算模型。根据《高桩码头设计与施工规范》
中关于桩轴向刚性系数的计算公式,给出了不同情况下轴向弹簧刚度系数大小以及施加位置的计算方法。该方法能满足嵌
固点法和m法计算模式下桩基计算模型的轴向刚度相同且与规范规定一致。结合该方法,分别采用嵌固点法和m法建立某高
桩码头工程实例的空间有限元模型。计算结果对比表明:桩身轴力、桩顶弯矩、上部结构各构件的内力均十分接近,验证
了该方法的合理可行性,可为高桩码头结构计算提供参考。 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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《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,(4)
正St.John's,Newfoundland,Canada,May 31-June 5,2015 OMAE2015 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; 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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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