遼西地區(qū)風(fēng)積土結(jié)構(gòu)特性與凍融過程土體結(jié)構(gòu)性演變規(guī)律試驗研究.pdf

1、分類號TU445學(xué)位密級聳毋編號論文THESISFORDEGREE運耍地區(qū)凰摳縫塑掛。哇皇鲞融過猩簽結(jié)掏眭演變?nèi)め暹x墮叢宣邏寧工程技不群LIAONINGTECHNICALUMvERSFrY遼寧工程技術(shù)大學(xué)碩士學(xué)位論文AbstractAllkindsofbasicphysicalandmechanicalindexesaregainedbydoingaseriesofindoorconventionalsoilmechanicstests

2、，includingdensity，waterratio，specificdensityparticlesizeanalysis，consolidationandshearingtestsThiscreatesconditionforthefollowingexperimentationandtheoryanalysisBystudingthearrangementandconnectioncharacteroftheundisturb

3、edsoilparticleandthemacroscopicalmechanicalpropertyofthedisturbedsoilandthesaturatedsoil，usingtheelectronicmicroscopetoobservethesoilsamples，comparingtheaeoliansoilinthewestofLiaoningareatootherareas，theuniquestructurech

4、aracteristicoftheaeoliansoilisopenedoutThecompressioncoefficientindicatesthatthedisplacementoftheundisturbedsoilsampleisthesmallest，thedisturbedsoilisnextandthesaturatedsoilsampleisthebiggestunderthesamepressureThisismai

5、nlybecausetheundisturbedsoilisnotdisturbedSOthatthearrangementandconnectionarenotdamaged，yettheoriginalstructuresofthedisturbedsoilandthesaturatedsoilaredamagedanditisthemacroscopicreflectofhavingobviousstructurecharacte

6、rTheshapeofthee19tCurvearedifferentobviously：withtheincreaseofthepressure，thedivisionoftheprimaryconsolidationandthesecondaryconsolidationbecomesobviouserfirstlyandthenbecomesnotobviouserItisdifferentgreatlywiththesatura

7、tedsoftclayUsingsynthesizedstructurepotential鵲structureparametertocomparetheaeoliansoilinFuxinwiththesoilinLanchowandWeifang，theresultshowsthattheyhavemarkeddifferenceMoreoverthedifferencebetweenthepictureswhicharegained

8、byobservingunderelectronicmicroscopeandthemicrostructurepicturesinotherareasreflectsthecharacteristicsofdensestructureandhighstrengthThetypicalaeoliansoilsamplesinthewesternareaofLiaoningprovincearefrozenandthawedbyusing