煤矸石應(yīng)用于道路底基層的路用性能試驗(yàn)研究.pdf

1、沈陽建筑大學(xué)碩士學(xué)位論文煤矸石應(yīng)用于道路底基層的路用性能試驗(yàn)研究姓名：周宇申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：于玲201001碩士研究生學(xué)位論文AbstractIIIAbstractWiththerapiddevelopmentofhighwayconstructionrecentlyalargeamountofroadbuildingmaterialareneeded.Gravelisacommonmaterialwhic

2、hisusedintheroad.Accdingtotheinvestigation10milliontonsgravelwillberequiredontheroadconstructiononlyinLiaoning(Yingkou).InChinathepriceofgravelisveryhigh.Ifwecantakealowcostmaterialtoreplacegravelitwillbeabletocutthecost

3、ofroadconstructiongreatly.Thereisnearly10milliontonsofcoalgangueinYingkoucokingplantwhichnotonlytakesupalotoflbutalsocausesvaryingdegreesofenvironmentalpollution.IfitcanbeappliedtobuildroadssuccessfullyinYingkouitwilltur

4、nwasteintotreasuremakesustainabledevelopment.Today，theuseofcoalgangueinourcountryabroadontheroadconstructionisontheinitialstagethereisnostardtoreferto.Tostudythefeasibilityofconstructionofsubbasebycoalganguethearticlestu

5、dymainlyfromlabatytesting，theeticalanalysiseconomicanalysissocialanalysis.Therearemaincontentsresultsoftheresearch:1.Thestudyonphysicalmechanicalpropertiesofcoalgangue.Activeingredientofcoalganguecontentisgreaterthanthes

6、umof76%inYingkouwhichmeetsthespecification.Thelossisupto21%whichdoesnotmeetthespecification.Coalgangueiscoarsegranularitysizebysievingtestthatcoursebutwellgradedfreeofimpuritieswhichcanbeused.2.Mixdesignofsubbasematerial

7、.DeterminingMixtureofaggregatetheratiobetweenbindersareincluded.Basedonthetestwegetthebestfitratioofcoalganguewhichappliedinthesubbase.Themasspercentofmixtureis:cement:lime:flyash:coalgangue:macadam=2：10：28：60：0.3.Throug

8、hthepavementperfmancetestsofcoalganguematerialincludingcompressivestrengthtestsplittingstrengthtestresilientmodulustestfreezethawresistancetestperfmancetestcrackantierosionperfmancetestwaterstabilitytestwecananalysissubb

9、asematerialchangingwithageaswellasthefeasibleconstructionofcoalgangueusedinoftheroadsubbase.4.WecananalyseMechanicsbythemultilayersystemofsubbase.ThecoalganguesubbasestructurecanmeetthedesignrequirementsinthestardloadsAt

10、thesametimewecanrevealthesurfacestructuresbyoverloadadifferentvariationundertheconditionsofmechanicalanalysiswhichcancontroltrafficprovideatheeticalbasisftheroad.5.Makinganalysisofeconomicsocialbenefitsoncoalganguedescri