火力發(fā)電廠干煤棚網(wǎng)架結(jié)構(gòu)的變形特性分析.pdf

1、華中科技大學(xué)碩士學(xué)位論文火力發(fā)電廠干煤棚網(wǎng)架結(jié)構(gòu)的變形特性分析姓名：陸玲娟申請學(xué)位級別：碩士專業(yè)：熱能工程指導(dǎo)教師：高偉20040429IIIAbstractSpacetrussStructureisusedwidelyinpowerplantascoalstagefitspracticability.Itismainlybuildupwithlargenumberofsteelpoles.Coalstageishigherthan30

2、metersIt’sextentismethan70meters.TheDesigninstallationmanufactureofthecoalstageinfluentsthecoalstage.Thewindsnowtemperaturechangecanmakethecoalstagedisttion.Accdingtothedisttionofthecoalstagewecanknowitissafenot.Thispape

3、rbuildedatrussstructuremodelofacoalstagebasedonMSC.Marc.Staticmodaldynamicanalysiswascarriedoutonthetypicaltrussstructuremodalwithfiniteelementprogram.Thestaticdefmationacteristicsofthecoalstageshedundersomecircumstances

4、suchaswindloadsnowloadtemperaturearediscussedbasedontherealservicestates.Analysistheresultwecanelicittheruleacteristicofdisttionofthecoalstage.Earthquakestudyofthecoalstageisveryimptant.Ifwewantstostudytheearthquakewemus

5、twokouttheVibrationacteristicsofcoalstage.Vibrationacteristicsofthestructurecanalsobeknownfromthemodaldynamicanalysis.Amendthemodelwecanwokouttheresultofcoalstageunderingabnmitystates.Abnmitystatesareincludingrustrupture

6、ofthebeam.Analysistheresultwecanelicitrulesacteristicsofdisttionofthedangerouscoalstage.Thewkprovidessomereliableguidancefthedevelopingoftheonlineshedmonitingsystemsuchasthelocationthenumberofthesensstheirdistribution.So