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ID:36605578
大小:6.78 MB
页数:94页
时间:2019-05-12
《山区道路悬挑结构与岩土的共同作用研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、IIIIIIrl,rPl/rlllllr!rlrlllljFllrllllrllrllllllY1525096分类号坐!!密级单位代码10618学号106260139墨麽交通戈謦硕士学位论文论文题目:山区道路悬挑结构与岩土的共同作用研究研究生姓名ResearchontheInteractionBetweenCantileverStructuresandROCk-soilinMountainRoad导师姓名、职称申请学位门类:刘长喜专业名称:桥梁与隧道工程论文答辩日期学位授予单位答辩委员会主席:李正良评阅人:挛正良二零零九年四月龚尚龙ABSTRACTByrapidde
2、velopmentofeconomyandincreasingoftrafficvolume,theoriginallowgraderoadneedstobewidened,theexistedwayofwideningmountainroad,suchasexcavatingslop,fillingsoil,masonryandcableretainingwall,mayeithercostalotordobadtotheenvironment.Undertheconditionsofprecipitousslope,anewstructureofwidening
3、mountainroadwithintegralcantilever(ics)issuggested.Onthepremiseofdoingnoharmtooriginalenvironment,thedesignprincipleistowidentheroadwithcantileverstructure,makingfulluseofexitingstableroadbed,whichCanbecarriedouteasily,cheaply,andprotecttlleecology.Takingk1274+855-895of214StateRoadasex
4、perimentalproject,thecalculationmodelisproposedforanalyzingtheinteractionbetweenICSandrock—soilwhichbasedonappropriateassumptions,andsynthesizedstiffnessmatrixofthecolumn,theanchorrodandthegroundafterthestressmechanismofICSisanalyzed,theinteractionbetweentheICSandtherock-soiliscarriedo
5、nthefinite—elementanalysisbyusingvariablebeddingvalueandthefoundationflexibilitymatrixtoobtaintheinteractionequationinthispaper.Tosimplifythecalculation,simplifiedcalculationmodelisproposedforanalyzingtheinteractionbetweenICSandrock—soil,andtheforcemethodequationisderivedforthecalculat
6、ionoftheplanestructureandthespatialstructure,thesolutionofanchorendunderdifferentgeologicalconditionsisdiscussed,thestabilityoflCSisalsoanalyzed.UsingANSYS,thefiniteelementmodelisestablishedtoreflectactualsituation,thecoordinatedworkingperformanceofICSunderavarietyofgroundconditionsisa
7、nalyzed,suchasdenseold-fillingsoil,gravelsoil,rock,localsoftground.thecalculationsindicatedthatthecalculationmethodproposedinthisarticleisabletoreacttheinteractionperformancebetterbetweenICSandrock—soil,andverifiedthatthesimplifiedcalculationmodelusedtodesignICSispronetosafety。KEYWOR
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