WaterEnvironment & WaterEnvironment & WaterEnvironment & WaterEnvironment & InJapannotonlypopulationbutalsobridgeshavebeenproceedingrapidlyaging.InNaganoPrefecture,about54%bridgeswillbeorovertheageof50andbeagingbridgesin2022.Themaintenanceandrehabilitationofbridgearebecomingmoreandmoreimportant.InCaoLab,wearedoingresearchesintobridgedeteriorationdiagnosticmechanism,andbridgemaintenanceandmanagementtechnologyandsoontoaimatprolongingtheservicelifeofbridge.inspectionWehaveexperiencedmanytimesaphenomenoninwhichabridgeisdamagedand/orwashedawayduetoatyphoon,heavyrainintherainyseason,tsunami,andotherflooddisasters.Thereisaccordinglyincreasingdemandfornewtechnologyandsciencetorestorebridges.Now,ourlaboratorydealswiththedisasterpreventiontechnologyofthebridges.Currentresearchobjectsare1)Newtypeoftemporaryand/oremergencybridgeand2)Seismicperformanceofthebridgestructure.localizedtorrentialrain,InCaolab,throughtheresearchforgraduationthesisandbasedontheengineeringknowledge,studentscouldenhancetheirabilityofacademicobservationandtoofcooperationandinternationalsensewillbedeveloped.Inthefuture,ascapableengineersorresearchersthegraduateswillworkandflourishincivilengineeringandotherfieldsnotonlyinJapanbutalsoovertheworld.Somegraduatesworkasnationalorlocalgovernmentofficialsincivilandconstructionfield.Someofthemareworkersforconsultantcompany.SomegraduatesworkforJapanRailwayscorp.,nuclearpowerplants,etc.Afewstudentshavechosentobecomewesternfoodrestaurantcooks.solveproblems.TheirengineeringWithoutthebridgeafterdisaster,whatishappen?Disconnectedroadsmustdisturbtherestorationandrescueactivity.Aboveresearchtopicswillbefoundmoresafetydesignofthebridgestructureswhichareinvaluablesysteminourdailylife.Ourcontributionmakesfundamentalmechanismbytheexperimentalandnumericalworking,andthenwewouldliketofeedbackourresultsassocialcontribution.clearManyofgraduatesWorkinwiderangeofengineeringfieldssuchaspublicofficerandpubliccompany.Recentplacesofemploymentareconsultantcompanyandconstrictioncompany.technology,spirittheSomestudentsfromCaoLabareinspectingandinvestigatingaconcretebridgeinservice.During thepost-war high economic growth period in Japan, many bridges wore built. Now the have been proceeding rapidly again.Flow out of bridge’s girder by heavy rainProposal of new type of emergency bridge using scissors mechanismConcept of rapid constractableemergency bridge called MobileBridgeTMCao XiAssistant ProfessorGraduated from XibeiPolytechnic Univ.,studied as a visiting scholar at national expenses in Osaka Pref. Univ. etc. Dr. Engineering. Research areas are structural mechanics etc.Yuki ChikahiroAssistant ProfessorAfter graduated from Hiroshima University in 2016, started to work at Shinshu University. Current research fields are Bridge Eng. and Structural Eng..In the FutureAfter GraduationIn the FutureAfter GraduationCivil EngineeringCivil EngineeringCivil EngineeringCivil Engineering ,, 56%9% 9%2% 12%30% 13% 10% 1% 1% 6% 3%4%44% 1955～19591960年代1970～19721920年以前1920年代1930年代1940年代1950～19541972～19791980年代1990年代2000年代不明Study on Bridge Deteriorationto Prolong Bridge Service LifeHow to Recovery Damaged Bridge After Natural Disaster ?
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