简介:2016年12月1日,由中国建设报社主办的第十四届中国建筑企业高峰论坛在福建省厦门市开幕。论坛以“大趋势、大变革、大机遇”为主题,梳理建筑业全面深化改革的多项举措,透析大数据产业、PPP模式、“一带一路”、工匠精神等重点议题,为处于变革期的中国建筑业及建筑业企业拨开云雾,抓住机遇,提供智力支持。论坛期间,江苏、青海、新疆、安徽等地行业主管领导,中国建筑业协会、中国土木工程学会、中国建筑金属结构协会等行业协会和多家大型企业负责人达成了当前建筑业仍处于重要发展机遇期的共识,明确了“一带一路”、PPP模式、地下综合管廊、海绵城市建设、装配式建筑和大数据等企业必须致力转型的方向,并对资质改革、劳务用工制度改革、“互联网+”战略下的信息化建设、工匠精神引领下的企业文化建设等关键议题进行探析,为行业企业破除转型疑虑、积极推动改革,提出了有针对性的建议。
简介:Currently,thedesignpracticeofhighwaybridgesaroundtheworldaremovingtowardslimitstatesdesign,areliability-baseddesignprocedure.CanadianHighwayBridgeDesignCode(CHBDC)isthefirstdesigncodeentirelydevelopedbasedonlimitstatesdesignphilosophy,includingfoundationsandFRPcomponents.However,reliabilityofastructuredecreasesinserviceduetoenvironmentalattacksandmaterialdeteriorationsuchasfatigue,corrosionandmanyotherreasons.Therefore,thestructureshouldbeinspectedperiodically,andthereliabilityofthestructureshouldbeevaluatedaccordingtoitsageandfielddata.Ifitsreliabilityisreducedtoacertainlevel,arepairshouldbescheduledaswellassomepreventivemaintenancemeasuresshouldbeimplementedtopreventfurtherdeterioration.Recently,manyresearchworkshavebeenconductedtoinvestigatereliability-deteriorationmechanismsforeachtypeofinfrastructureanditscomponents,optimizetheinspectionandmaintenancestrategy,predictremainingservicelife,estimateitslifecyclecost.Thispaperisfocusedonthestudyofreliability-deteriorationmechanismsofslabonsteelgirderbridgesduetofatigueandcorrosionofsteelgirdersaswellascorrosionofreinforcementinthedeckslab.Exampleswillalsobegiventoillustratetheproposedlifecyclemanagementstrategyforcompositeslabonsteelgirderbridges.