新奥法设计原理在隧道施工中的应用及主要施工工艺毕业论文外文文献翻译及原文

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1、毕业设计（论文）外文文献翻译文献、中巨：新奥法设计原理在隧道施工中的应用及主要施工工艺文献、资料英文题目：文献、资料来源：文献、资料发表（出版）日期：院（部）：专业：班级：姓名：学号：指导教师:翻译日期:2017.02.14NATMtunneldesignprincipleintheconstructionofmajorandConstructionTechnologyI.TheNATMDesignPrinciple1.Tunneldesignandconstructionoftwomajortheoreticalanddevelo

2、pmentprocessSincethe20thcentury，humanspaceonthegroundfloorofthegrowingdemand，thustheundergroundworksofthestudyofarapiddevelopment.Inalargenumberofundergroundengineeringpractice,itisgenerallyrecognizedthatthetunnelandundergroundcavernproject，thecoreoftheproblem，allupint

3、heexcavationandretainingtwokeyprocesses.Howexcavation，itwillbemoreconducivetothestabilityandcavernfacilitatesupport:Formoresupport，supportinghowtheycanmoreeffectivelyensurestabilityandfacilitatethecavernexcavation.Thisisthetunnelsandundergroundworkstwopromoteeachothera

4、ndcheckeachother’sproblems.Tunnelsandundergroundcaverns，andfocusingonthecoreissueswiththeabovepracticeandresearch，indifferentperiods，Peopleofdifferenttheoriesandgraduallyestablishedasystemofdifferenttheories,Eachsystemincludestheoryandresolve(orarcstudyingtheresolution

5、)fromtheworksofunderstanding(concept),mechanics，engineeringmeasurestotheconstructionmethods(Technology)，aseriesofengineeringproblems.Atheoryofthe20thcenturythe1920sthetraditional"loadrelaxationtheory.HItscorecontentis:astablerockself-stability，noload:unstablerockmayhav

6、ecollapsed,needshoringstructuretobesupported.Thus,theroleofthesupportingstructureoftherockloadiswithinacertainrangemaybeduetorelaxationandcollapseofrockgravity.Thisisatraditionaltheory，andtheirrepresentativeisTaishajiandPrincipe’sandothers.Itworkssimilartothesurfaceiss

7、uesofthethinkingisstillwidelyusedto.Anothertheoryofthe20thcenturymadethe1950sthemoderntheoryoftimberingor"rockforthetheory."Itscorecontentis:rockstabilityisclearlybearingrocktotheirownself-stability:unstablerocklossofstabilityisaprocess,andifthisprocessinprovidingthene

8、cessaryhelporrestrictionswillstillbeabletoentertherocksteadystate.ThistheoreticalsystemofrepresentativecharactersLabu