板巖路塹邊坡的開挖擾動效應(yīng)與防護技術(shù)研究.pdf

1、中南大學(xué)碩士學(xué)位論文板巖路塹邊坡的開挖擾動效應(yīng)與防護技術(shù)研究姓名：陳芬申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：傅鶴林20080401ABSTRACTTheresearchofhighwayslopehasalwaysbeenafocusathomeandabroad，andthereareripermethodsnowbutthehighsteepcuttingofslateslope，therearestudiedbylesspeo

2、pleThecharacteristicofhighandsteepinitsproject，makingmoreharmfulnessthatmayproduceinthecourseofexcavatingandconstructingMeanwhile，consideringtherainfallhasgreaterinfluenceonslopestabilityandconstructioncourse，theperturba

3、tioneffectanalysisofslatehighslopeindifferentexcavatingstageanddifferentmoisturecontentisanextremelyvaluablesubjectRelyingontheprojectofthehigh—steepcuttingslateslopeinthethirdcontractsectionofHengyanhighwaytheinfluenceo

4、fexcavatingstageandmoisturecontentonthestablityoftheslateslope，theprotectiontechnologyofthehighsteepcuttingslateslope，whichwerestudiedinthepaperthemaincontentcontains：(1)Thelaboratoryexperimentsofthecompleteweatheringsla

5、tewerecarriedon，obtainedphysicsandmechanicsparameteroftheentiredecencyslate，andwiththesampleofdifferentmoisturecontentanddifferentcoveredtime，carriedonthelaboratoryexperiments，obtainedtheinfluenceofmoisturecontenandcover

6、edtimeonthemechanicscharacteristicofcompleteweatheringslate(2)ThesafetyfactorofthecuttingslateslopeinthethirdcontractsectionofHengyanhighwayiscalculated，withthelimitingequilibriummethodandthefinitedifferencemethodThrough

7、comparedthesafetyfactortheslidingsurfaceshape，theslidingfacepositionwhichobtainedbythetwomethods，confirmedmutuallytheconfidencelevelofthetwomethods(3)Withfinitedifferencemethod，theexeavatingdisturbationeffectoftheslatesl

8、opewithnaturalmoisturecontentwasanalysed，andbycomparingthecomputedresultandthescenemonitorresult，theparameterswhichobtainedinlaboratoryexperimentsandtheaccuracyofthenumericalmodelwereconfirmed(4)Combinedthephysicsandmech