溫變條件下倒置式屋面溫度應(yīng)力研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文溫變條件下倒置式屋面溫度應(yīng)力研究姓名：樓軍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：盧哲安20100401AbstractInvertedroofiSnowwidelyusedinChinaasaroofstructure，TheproblemofcrackcausedbytemperaturebecameacommonandshouldurgenttobesolvedproblemBasedonthisthis

2、articleconductedfieldmeasurementandfiniteelementanalysisofinvertedroofsummarizedthecalculationofthermalstressAndresearchedthetemperatarecontrolmeasuresofinvertedroofThisarticleconductedtheworkoffollowingareas：(1)Investig

3、atedthecracksmechanismofinvertedroof(2)ResearchedfiniteelementmethodoftemperaturestressofmasonryStructare(3)Combinedwithrelatedstandards，useANSYStosimulatedtemperaturedistributionandthermalStreSSofinvertedroofofanurseryT

4、hroughlayingstrainandtemperaturesensoronthepartsofeasytocrack，analyzedthecomputersimulationresultsandmeasureddata(4)Fromthedesign，constructionandmaterialaspectsresearchedthetemperaturecontrolmeasuresofinvertedroofBasedon

5、theabovementionedstudyobtainthefollowingConclusions：(1)ObtainedthetemperaturestressoftheroofunderdifferentConditionsinsummerandwintertemperaturechangesTheresultsoftemperaturefieldfiniteelementCoincidentedwiththeresultsme

6、asuredTheerrorislessthan10％1(2)becauseofitsroleofinsulationboardofInvertedroofthetemperaturechangessinailalongthethicknessdirection，IargetemperaturedifferencebetweennoinsulationroofO)Theappearanceofcracksinpartsofthestru

7、ctureundersimulatedthermalstressdistributioninthecloudtodetermine(4)SummarizedtheCommontemperaturecrackcombinedwiththeconclusionoffiniteelementanalysis，PresentedsomeComprehensiveControlmeasuresabouttemperatureContr01Ther

8、esearchofinvertedrooftemperaturestresslaidagoodfoundationforfurtherstudyofthecharacteristicsofinvertedroofunderthetemperatureroleKeywords：roof；temperaturestress；temperaturechangeconditions；temperaturecracks；temperatureco