山区道路悬挑结构与岩土的共同作用研究

《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