1000MW机组火电主厂房框架结构温度应力计算与分析——浙江国华宁海电厂二期工程主厂房结构设计[精品].doc

1000MW机组火电主厂房框架结构温度应力计算与分析——浙江国华宁海电厂二期工程主厂房结构设计[精品].doc

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1000MW机组火电主厂房框架结构温度应力计算与分析——浙江国华宁海电厂二期工程主厂房结构设计[精品]

1000MW机组火电主厂房框架结构温度应力计算与分析——浙江国华宁海电厂二期工程主厂房结构设计 40?????g 2007??10?E ?????T??????(??????) EngineeringJournalofWuhanUniversity Vol.40Sup. Oct.2007 ???1??????Q???(62),?B,???i?E,?????I???????O?????????i???? ?????U??:167128844(2007)S120166204 1000MW?k?????I?j???5?[?????? ?d???????????J?(?? cWcWcW?????????????I?????O???i?j???5???????? ??Q???,?????M,?,?J?? (?????I????????,?????u??Q?610021) ????:?x??????1000MW?k?????????I???j???5?????2?????%,???A???]?????????O?[?????????j???5???a ?[???????????????????2????????,???????????d?????????[?????????????????(????????,?????????????? ???s?U????,???????d?????????????????S??????,???e?????????????q???A?y???????j???5??????.?G?????? ???I?????O???i?????G???m????????????1000MW?k?????]?????????O?[???????j???5?k??,???j???5???a ?[???????????d??????????????,?(???????d???????????A???????????????????=????????????,???????s?U ?????j???5???a?[???????????o. ???H??:?j???5;?d??????????;?????s?U???? ?C???(????:TU271.1Q?Q?Q????H?)???4:A Analysisandcalculationoftemperaturestressesofmainpowerhouse frameofthermalpowerplantwith1000MWunits GAOSa,CHENQichun,YANMingzhang (SouthwestElectricPowerDesignInstitute,Chengdu610021,China) Abstract:Becauseofrequestingforlayoutoftechnologyofthemainpowerhouseofthermalpowerplant with1000MWunits,thelengthoftheverticalframestructureofthemainpowerhousewhichisrein2 forcedconcreteframestructure,hasexceededtherequestlengthofthestandard,itisnecessarytoana2 lyzeandcalculatethetemperaturestressoftheframework;andtakecorrespondingstructuraloptimum designofmeasurestopreventtemperaturestresswhichcausescracksinthestructuretoimpactnormal use,andevenendangerthesafetyofthemainpowerhouse.TakingthesecondstageprojectofNinghai PowerPlantwhichisthefirstprojectthathasstartedconstructionofa1000MWunitforexample,its mainpowerhouseisreinforcedconcreteframestructure,throughcalculatingthetemperaturestressof thelongverticalframeworkofthemainpowerhouse,andanalyzingtheeffectoftemperaturecharacteris2 ticsandimpacttooverallstructureandlocalcomponents,thefurt

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