混凝土受持续高温影响的强度的研究 土木建筑毕业设计中英文翻译

《混凝土受持续高温影响的强度的研究 土木建筑毕业设计中英文翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、外文资料STUDIESONIMPACTSTRENGTHOFCONCRETESUBJECTEDTOSUSTAINEDELEVATEDTEMPERATURESureshNARAYANConcretehasaremarkablefireresistingproperties.Damageinconcreteduetofiredependsonagreatextentontheintensityanddurationoffire.Spallingcrackingduringheatingarecommonconcretebehavi

2、ourobservedintheinvestigationofthefireaffectedstructures.Plentyofliteratureisavailableonthestudiesofconcretebasedontimetemperaturecures.Inpower,oilsectorsandnuclearreactorsconcreteisexposedtohightemperatureforconsiderableperiodoftime.Theseeffectscanbereckonedasexpo

3、suretosustainedelevatedtemperature.Thesustainedelevatedtemperaturemaybevaryingfromafewhourstoanumberofyearsdependinguponpracticalconditionofexposures.Theknowledgeonpropertiesundersuchconditionsisalsoofprimeimportanceapartfromthestructuressubjectedtohighintensityfir

4、e.Impactstudiesofstructuresubjectedtosustainedelevatedtemperaturebecomesmoreimportantasitinvolvessensitivestructureswhichismorepronetoattacksandaccidents.Inthispaperimpactstudiesonconcretesubjectedtosustainedelevatedtemperaturehasbeendiscussed.Experimentshavebeenco

5、nductedon180specimensalongwith180companioncubespecimens.Thetemperaturesof100°C,200°Cand300°Cforadurationofexposureof2hours4hoursand6hourshasbeenconsideredintheexperiments.Theresultsarelogicallyanalyzedandconcluded.1.INTRODUCTIONTheremarkablepropertyofconcretetoresi

6、stthefirereducesthedamageinaconcretestructurewheneverthereisanaccidentalfire.Inmostofthecasestheconcreteremainsintactwithminordamagesonly.Thereasonbeinglowthermalconductivityofconcreteathighertemperaturesandhencelimitingthedepthofpenetrationoffiredamage.Butwhenthec

7、oncreteissubjectedtohightemperatureforlongdurationthedeteriorationofconcretetakesplace.Henceitisessentialtounderstandthestrengthanddeformationcharacteristicsofconcretesubjectedtotemperatureforlongduration.InthispaperanattempthasbeenmadetostudythevariationinImpactSt

8、rengthofconcretewhensubjectedtoatemperaturerange100oC,200oCand300oCsustainedforaperiodof2hrs,4hrsand6hrs.10Thereviewoftheliteratureshowsthataloto