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1、GraduationDesignOpeningReportCollege:highwaycollegemajor:internationalengineeringname:XXXXstudentnumber：2106080229academicadvisor：XXXXflnisntime：2012/04/26OpeningReportforChanganUniversityGraduationDesignTopicnameBridgedisastersresearchSubjectCustomizSubjectpaperAdvisersourceprojecttypes
2、tudentnumber2106080229major国际工程丄ThebackgroundandsignificanceofsubjectThelargebridgeisconnectingriversandthelandoftheimportantchannels,supportstaff；equipmentandsuppliesfrequentcontactswiththelarge-scaleflowofreliableearner.Thebridgenotonlyaccountsforabout10%-20%ofthetotalcostofhighwayproj
3、ectsintheprojectcost,andoftenthethroatoftransportation,itsimportanceisself-evident.Inrecentyears,withtheprogressofscienceandtechnology,thepeopledeconomicandculturallevel,roundaboutcrossallkindsofoverpassonthehighway,linkbuildingtheviaductwithinthecitynovellong-spanbridges,theYangtzeRiver
4、,YellowRiverandothermajorriversetc.arespringingup,frequentlybuilt.TensofmileslongambitiousconstructionprojectoftheGulf,theStraitoflargebridgearealsoemerging,avarietyofinnovative,complexbridgestructuresarestillemerging.Therefore,itisimportantforthebridgedisasterpreventionandresearch,espec
5、iallyinrecentyears,variousnaturaldisastersoccurmorefrequentlycausedbyhumaiVsstronglydamageofthenaturalenvironment.Atthesametime,thesizeofthebridgeisconstantlyexpanding,anditscostintherisingyearbyyear.Damagehasbeencausedbynaturaldisastersonthebridgesufferedgreateconomiclossestorespondtodi
6、sasterstothebridgehasbeenunderincreasingattention.右ThedomesticandforeigndevelopmentstatusanddevelopmenttrendInourcountry,thefloodimpactassessmentoflarge-scalebridgeisaveryimportanttopic,butatpresent,thereisnostandarduniformmethod,soassoonasasystemsetupscientific,objectivecomprehensiveeva
7、luationmethod,becomeanurgentimportanttasks.BasedonwaterlawofthePeople'sRepublicofChina,thelawofthePeople'sRepublicpurposesHtherivermanagementregulationsofthePeople'sRepublicofChina"andotherrelevantlawsandregulations:builtBridges,wharfandotherfacilities,must,inaccordancewi
