水下软体排铺设质量检测技术对比

为解决潮汐河段涨落潮水位变化大、水流动力条件复杂、水下护底软体排铺设质量检测难的问题,在长江南京以下12.5 m深水航道一期工程白茆沙整治工程中,制定并实施了由浮标倒垂法、水下探摸、旁扫声纳、超短基线等多种水下护底软体排检测技术组成的检测方案,控制软体排整体铺设质量,满足了工程需要     

长江宜昌航道工程局首次进行砼联锁块软体排施工

正近期,在长江下游安庆河段航道整治二期工程Ⅱ标段,伴随"长雁8"沉排船上的砼联锁块软体排缓缓入水,该标段护底施工正式拉开序幕,也是该局首次进行砼联锁块软体排施工。该工程主要有铺设砼联锁块软体排、水上抛石、抛投扭双工字型透水框架三种工艺,其中沉砼联锁块软体排施工工艺为该局首次使用,有效     

长江下游感潮河段超长护底软体排铺设关键技术

通过研究和改进大型铺排船移动式桁架门吊吊装混凝土联锁片施工设备、超短基线水下排体定位技术和水下软体排成型状况探测技术等关键技术,提高了超长护底软体排铺设的施工效率,实时动态精准定位排体铺设过程中水底位置,检测排体水下平整度及搭接情况,满足了工程需要。     

对拉船铺设软体排施工技术

本文介绍对拉船铺设软体排施工技术在舟山市金塘木岙集装箱物流基地陆域形成项目中的成功应用,包括施工工艺和质量控制措施等。该施工技术首次尝试在复杂潮汐深水区域使用对拉船铺设软体排,与以往惯用的专业铺排船相比,成本低,施工效率高,适应性强,取得了满意的实施效果。     

长江深水砂被铺设施工工艺

因与先期软体排护底工程有重合区域,针对区域内存在块石及透水框架的问题,为避免对铺设的软体排造成破坏,在现有铺排船铺设软体排的基础上,采用铺排船进行深水砂被铺设处理,达到了阻隔碎石垫层、抛石等挤入淤泥和部分的水平排水的目的。     

生态航道固滩工程生态软体排结构和施工方法研究

将原有绿地受压排石压护受到破坏的区域列为生态保护区,通过应用试制的大网格土工格栅和用改良的斜边肋十字块压护的方式,保留原有植物根系的再生能力;将生态保护区周边低水位时可露滩的区域列为生态修复区,分别对两者所采用的生态软体排结构及施工技术进行了研究,研究表明合理设计选择生态软体排的排体和压护结构,采用适宜的施工技术,可有效发挥生态软体排的防护与生态保护效果。     

砂被联合软体排在深海区护底工程中的应用

常规护底工程常采用软体排和砂被分开施工的方法,该方法在浅水区能够较好地适应,但由于深海区水流条件复杂,施工质量难以得到控制。结合具体工程实例,提出砂被联合软体排的方案,介绍了该方案的原理、施工流程和质量控制方法。通过实测结果验证了该方案在深海区护底工程中具有效率高、成本低、质量好的优点。     

新型通长高强土工格栅复合软体排护底技术

在东营港东营港区南防波堤工程中,为解决传统护底技术现场绑扎拼接工程量大、拼接质量要求高、工艺复杂、施工难度大、效率低且整体性差的问题,研制了一种新型通长高强土工格栅复合软体排。制定了底层为通长土工布、排中中层为高强土工格栅、两侧余排中层为抗冲击防老化缓冲保护层、面层为通长土工格栅的一体化排体制作工艺,解决了复杂结构软体排的制作难题;研制了适合通长高强软体排铺设施工的动力滑轮组牵引装置,解决软体排较重、摩阻力大、难以沉放的问题;采用旁扫声呐质量检测方法,提高了排体施工效率及质量。     

软体排护滩带的护滩效果研究

长江中下游心滩河段水沙运动规律较为复杂,碍航问题也较为突出。为了改变这种现状,可采用护心滩建筑物对心滩进行守护,以达到恢复和改善航道条件的目的。以长江中游典型碍航心滩河段——沙市三八滩河段为原型,进行了心滩采用软体排护滩带守护的概化模型试验,结合理论分析,详细论述了软体排护滩前后心滩和河床的冲刷变化规律以及软体排护滩带对汊道分流分沙比的影响。给出了水流挟沙力和动床阻力在心滩河段汊道及滩上的沿程变化规律。对心滩守护前后的水流挟沙力和动床阻力进行了对比分析,并对软体排护滩的整体效果进行了总结。     

长江口深水航道治理工程一期北导堤试验段（A标）护底软体排施工介绍

简介长江口北导堤（A标）工程护底软体排工艺结构、施工机具、施工方法和施工质量控制方法。     

33rd International Conference on Ocean,Offshore and Arctic Engineering （OMAE2014）

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.     

Errata

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.     

Journal of Marine Science and Application 2014 Sum. Contents

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第34届海洋、离岸及极地工程国际会议(英文)

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;     

联合作战计划和执行系统

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。     

The 11th International Conference on Hydrodynamics (ICHD 2014)

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.     

第十二届深水操作会议和展览会(英文)

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.     

Eastbound or westbound ?

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）.     

舰艇反鱼雷技术

对目前舰艇反鱼雷技术中的非杀伤、软杀伤和硬杀伤等比较先进的手段进行了阐述,并在此基础上分析研究了舰艇反鱼雷技术的发展趋势。     

桥梁防撞设施物理模型试验

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。