简介:沈阳市浑南新区现代有轨电车一期工程是国内首次以BT模式建设的现代有轨电车轨道交通线网。作为全运会配套工程,该项目充分结合沈阳市“大浑南”建设发展规划,创造性地采用59R2槽型轨路中敷设无缝线路、100%低地板现代有轨电车、柔性牵引网+快充超级电容供电等多种新材料、新产品,在工程施工过程中发明和优化了槽型轨及槽型轨道岔铺设、槽型轨铝热焊、槽型轨与P50轨和P60轨异型接头焊接、小半径曲线预弯、基于CPⅢ网的槽型轨无砟轨道精调系统等多种新型工艺,形成和完善了现代有轨电车系统集成技术,并对国内现代有轨电车工程在规划设计、建设模式和项目管理等方面做了较有意义的尝试。
简介:CorrosionbehaviourandbiofoulingcharacteristicsofmildsteelinthreedifferentcoastallocationsintheGulfofMannar,Indiahavebeenstudiedoveraperiodof24months.OysterfoulingwaspredominantatOpensea-Tuticorin,whilebarnaclefoulingwasdominantatbothMandapamandHarbour-Tuticorin.Therateofcorrosionfor24monthsexposureperiodwashighestatMandapam,wherefoulingwasminimal.Thesurfaceofthemildsteelwascharacterizedbyetchings&crevicesbeneaththehardfoulersattachedonit,atallthetestlocations.ThedepthofcrevicecausedbyhardfoulerswashigheratOpensea-TuticorinfollowedbyHarbour-TuticorinandMandapam.ThelossinultimatetensilestrengthwasmoreinOpensea-Tuticorinthantheothertwolocations.Corrosionbehaviourofmildsteelisdiscussedbasedonthevariationinthebiofoulingassemblageatthethreetestlocations.