简介:Theresultsofastudyonthekeytechnologyofusingshellsand,akindofseasand,asbackfillforseareclamationaredescribedbriefly.Laboratorytestsshowthatthephysicalandmechanicalpropertiesofshellsandareasgoodasnormalquartzsand.Basedonthechemicaltestanddurabilitytestofshellsanditcouldbeconcludedthattheinfluenceofcorrosionofshellsandbyacidrainandseawatermightbeignoredintheevaluationofthesafetyanddurabilityoftheengineeringproject.Theresultsoffieldimprovementtestsshowthatthebearingcapacityofshellsandbackfillfoundationismorethan200kPaaftervibroflotationimprovementordynamiccompactionimprovement.Theshellsandisagoodbackfillmaterialforseareclamation.
简介:-Thispapercarriesouttheanalysisofmechanicsofagripsystemofthree-key-boardhydraulictongsdevelopedforoffshoreoilpipelineswhichhasbeensuccessfullyusedinoilfieldsinChina.Themainimprovementofthissystemisthataleverframestructureisusedinthestructuraldesign,whichreducesgreatlythestressesofthemajorcomponentsoftheoilpipetongs.Theoreticalanalysisandnumericalcalcu-lationbasedonthirteenbasicequationsdevelopedshowthattheteethboardofthetongsisnoteasytoslipasfrequentlyhappenstoothersystemsandisofhigherreliability.
简介:地方海事院校外语学科建设一般起点较低且起步较晚,以本体研究为依托,大力发展海事语言与海洋文化特色研究将成为地方海事院校外语学科发展的绿色生长点。地方海事院校必须抓住海洋强国建设这一机遇,以全方位多层次提升大学综合实力为导向,在蓝海战略视域下建设“海事语言与海洋文化研究平台”和“海事语言与海洋文化应用平台”,实现地方海事院校外语学科在学科建设、教学改革、人才培养以及教师发展等方面的创新发展。
简介:作为我国高等教育体系的重要组成部分,独立学院在推动高等教育办学主体多元化、培养现代化建设需要的合格人才等方面发挥着重要作用。校企合作育人是独立学院促进人才培养质量提升的一种重要方式。本文在分析目前国内独立学院校企合作育人重要性的基础上,结合所在学院开展校企合作育人工作的情况,剖析了运用“3+1”合作育人模式促进人才培养质量提升的措施及取得成效。