井壁中溫度應(yīng)力的初步研究.pdf

1、中H分類號(hào)：!旦2笪：32論文編號(hào)：|l壁Y89“26學(xué)科分類號(hào)：!!Q。5Q!!密級(jí)：坌丑安徽理工大學(xué)碩士學(xué)位論文井壁中溫度應(yīng)力的初步研究專業(yè)名稱：絲廈王程研究方向：絲廈塞壹導(dǎo)師姓名：趙查握熬援導(dǎo)師單位：塑監(jiān)皇巫撞工程丕答辯委員會(huì)主席：鎏砝論文答辯日期：2006年6月f1日安徽理工大學(xué)研究生處2llIJ6年6月f多日安徽理工大學(xué)碩士論文摘耍AbstractSince1987，nearly60shaftwaHfracturesweret

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4、le徹alstressaboutshaftwallstmctureisOfsigni6canccintheoryandinpracticeFirstly，thecalculationmetllOdsaresummedupindudinggravitatjonalstress，geostressandadditionalstressbythelossofbottOmaquiferSecondlybecausetlIetemperature

5、fieldismebaset0calculatethe加alstress，F(xiàn)initeDi伍orentiateMethodisusedtosimulatetemperaturefield0fshaftliJling鋤dfourk曲dsOfthermalstrcssaswellastheircalculationmethodsareintroducedAndthen，takeagiVenshaftlininginXuzhou雒卸ex鋤pl

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7、oⅡs孤ecalculatedanddiscusscdforeachstressintIletotalverticals“cssTheaboVeworkshowsthat：1ThethawingsettlementandVerticalrestrainingthemalstressaremaillcomponentsofIhetotalthe珊alstress，upto99％2IbtalverticalthennalstressQfsh

8、aftliningincreaseSwiththeincreaseofdepthandreachesthemaximumneartheinterfaceofbottomaquifera11dbedrockAⅡd，theValuejnsummer(about89Mpa)ismorethanitjnwinter(about71Mpa)31’heratioofthermalstressintotalstressdecreaseswjththe

9、drawdownofbOttomaquifeLIrIsummerandattheinterfaceofbottomaquiferandbedrock，theratioofthe枷alstressintotalverticalstressofshaftwallisabout37％，19％whenthelossofbottomaquiferis5m，35mAndconVersely’theproportionoflossofbottomaq