粉煤灰高路堤填筑关键技术研究

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1、重庆交通大学硕士学位论文粉煤灰高路堤填筑关键技术研究姓名：钱磊申请学位级别：硕士专业：道路与铁道工程指导教师：魏建明20090401ABSTRACTChinaisthecountrywhichistheearth’Sbiggestproductionandconsumptionofcoalresources，theannualoutputofrawcoalaccountedfor25％oftheworld，about1．6billiontons，ofwhich75％usedforenergyconsumption，1／3ofelectricityfromcoa

2、l-firedpowergenerationinChina．Coal—firedpowergenerationforeconomicdevelopmenttoprovidesubstantialenergy,inthesametime，italsogeneratedalargenumberofflyashwaste，currentlyChina’Scoal—firedpowerplantemissionsofflyashhasreachedmorethan180milliontonseachyear．Theemissionofflyashnotonlycaus

3、edseriousairpollution，soilpollutionandwaterpollution，butalsoharmpeople’Shealth，moreimportantly,itusedupalotoflandresources，causingpeopletocontradictions，triggeredalotofeconomicandsocialproblems．ItCanbeseenonthetreatmentandutilizationofflyashhasbecomeaprominentproblemswhichfaceofthes

4、ocialandeconomic，thecomprehensiveutilizationofflyashtostrengthentheresearchisimperative．ThisarticlereliesonresearchprojectsinGuizhouScienceandTechnologyCommissionitem：”CompliancecompletedhighwayembankmentFlyashcomprehensiveapplicationofpureresearchinZhunbihighway”，givethestadyofthec

5、omplianceofthematerialpropertiesandengineeringcharacteristics，andhi曲fillcoal铲aypureg，ayembankmentstabilityanalysisofthemechanicalcalculation．Firstofall，summeduptheflyashinhighwayengineeringinavarietyofapplications，itisoneofmeasureswhichisoneofsubsrantialuseofflyashasroadbedfiller，an

6、ddescribesthecurrentdomesticandinternationalresearchinthisareathestatusandthelatestachievements．Secondly,giveastudythroughaseriesoftestsonthemicrostructure，physicalandchemicalproperties，engineeringpropertiesofflyashmaterial，analysisofthecompliancetocompletethehighwayalongtheflyashma

7、terialpropertiesandengineeringcharacteristics．Third，setuphighfillembankmentofflyashpuregraymodel，studytoanalyzethesettlementofsubgradecharacteristiesandslopestabilitybyalargecentrifugemodeltest，andwithfiniteelementmethodanalysisofasimilarmodeltoachieveexperimentaldataandtheoreticalr

8、esultsoftheanalysis