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1、AbstractOverthepast20years,theapplicationoftheconcrete-filledsteeltubulararchbridgeinourcountryhasmadegreatachievements,howeverinthepartofdesignandconstruction,kindsofspecificationsaredifferent,ithasbroughtmanyproblemsfordesignersandconstructorstocarryoutworks.Theformofthecurrentar
2、chribisrelativelysingle,andthecurrentarchridexistalotofproblemsinpractice,sotheresearchofanewtypeofarchribbecomesavaluablesubject.Beacauseofexcellentmechanicalpropertiesofrectangularconcrete-filledsteeltubeandthecharacteristicsofeasybucklingoftherectangularsteeltube,puttingforwarda
3、newkindofrectangularconcrete-filledsteeltubearchribstiffenedwithPBL,andusingthefiniteelementmethod,makingatestdesignresearchofthisstructure.ThestudyisaexpansionofapplicationsoftherectanglesteeltubeconcretestiffenedwithPBL,isalsoaabundanceofthearchribstructure.Ithasimportanttheoreti
4、calsignificanceandengineeringapplication.Withthecurrentlyeconomicglobalizationandpoliticalmulti-polarization,dominatingcitiesandgovernmentdepartmentsshapeandrecommendtheirimagesthroughbroadlyparticipatinginglobaleconomy,andconstantlypromotingregionaldevelopments.Inpracticalprocess,
5、administrativemicro-blogisthepartofrulingresourcesofthePartyandGovernment.Itisgettingmoreandmoreconcernandattention,foritsinteractivity,immediacyandwidelyimpactongovernmentimages.Agoodimageistherequirementforgovernmenttowinthepublic.Also,itisimportantresourceforbuildingthecitycard.
6、Becauseoftheinfluenceofpublicnatureconceptofgovernment,thegovernmentimageisdividedintotwopartsofactualstateandvirtualstate.Restrictedbyprimacyeffectandsubjectivity,peopleshapecognitionandcriticismofthevirtualstateimage,whichisnotthewholeimagetoreflectobjectivereality.Administrative
7、micro-blogisaspeciallysocializedcommunicationtoolwithstrongpropagationforce.Asanewmediachannel,ithasgreateffortoncreatingagood,transparent,andcrediblegovernmentimage.Sincethefirstyearofmicro-blogin2011,administrativemicro-bloghascameintooperationperiodaftertestanddevelopingperiod.I
8、tgetsmuchpraiseandrecognit
