軟質(zhì)粗粒土的工程力學特性與路基工程應用研究.pdf

1、東南大學博士學位論文軟質(zhì)粗粒土的工程力學特性與路基工程應用研究姓名：邱鈺申請學位級別：博士專業(yè)：道路與鐵道工程指導教師：黃衛(wèi)劉松玉2002.8.1—』墜墜————一查壹壟堂堡主蘭竺墮圭!!!!!墨ResearchonEngineeringPropertiesoftheSofteningCoarseGrainedSoilandIt’SApplicationinEmbankm；ntsAbstractCollierywaste，akindof

2、wasteduringcoalproduction，hasamountedto3billiontonsthroughoutChinawithlOftmilliontonsbeingproducedannuallyNotonlyplentyoflands[fieoccupied，butalsocollierywastespollutethenaturalenVimmnernswithproducingacidicleachatasrunn

3、ingoffsedimentandtoxicgasesNowadays，teducethequantityofcollierywastesanddecreasethepollutions，researchonnseofcoalrefuseisdevelopedSOpositivelyinworldAmethodofutilizationthatnsesgreatquantitiesofcoalrefuseisasfilImaterial

4、furhiighwaysHighwayembankmentsrequirelargequantitiesofsoilandrockmaterialfurfiuSubstitutingofcoalrefusefurfillshallremovelargetonnagesofunsightlymaterialfromthecountrysideandshallalleviatetheneedtoexcavatesuitablesoiland

5、rockmaterialButbecauseofthelithologiccharacterofcoalysedimentarycoalganguemainlycomposesofsoftrockThedisintegrationandsloughingcharacteristicslimitthelargescaleuseofcoalgangueincivilengineeringThepaperfocusesontheuseofco

6、alminerefuses，concerningthefeasibilityofcoalrefusesasembankfilling，themechanicscharacteristicinengineeringdesignconstructiononrefusesembankqualitycontrolandinspectiondynamicresponseunderthetrafficload，andSOonTheresearchi

7、sundertakenparticularlyandsystematicallyContentsandconclusionsofthepaperarefollowing(1)Researchachievementsaboutgravelandcollierywastesa塢reviewedThefeasibilityofcoalminerefusesasroadembankfillingispreliminarilyanalyzedTh

8、eresearobachievementsandexamplesindicate：Althoughsomeofcoalgangueislackofsomegranularityandwaterstabilitycoalgangueismixedwithsomeoffinegrainandcompactedenoughandwrappedincohesivesoil，itcanbeused如roadbedfilling(2)Ontheba

9、seofpreliminaryanalysisonthefeasibilityfilrtherresearchesaboutcharacteristicofefflorescenceanddisintegrationofthesmrockincoalrefuseseharactaristiesofcompaction，crash，permeabilitywaterstabilitybearingcapacityetc，areperfor

10、medAndthefeasibilityofrefusesasroadembankmentfillingarcfurtherproved。somekeytechnicalproblemsarepresentedTheresearchdemonstrates：ThesoftrockincollierywastesiseasilyweatheredanddisintegratedThegrainsizedistributionofwaste

11、svariesinawiderangeDegradation(sizebreakdown)canresultsfiomcompactionAppreciablebreakdownofthelargeparticlesandinthefinefractionshavebeendocumentedbycompactiontestsTheamountofdegradationvariesdependingonthecontentofcoars