級配碎石三軸試驗研究.pdf

1、大連理工大學碩士學位論文級配碎石三軸試驗研究姓名：金剛申請學位級別：碩士專業(yè)：防災減災工程及防護工程指導教師：孔憲京20070601塑豎互三塑塑!塑塑LaboratoryStudyofTriaxialTestonGradedBrokenStoneAbstractItiswellknownthatflexiblebasec蛆eliminatingthereflectingcrackandshrinkingcrackefficientlyA

2、satypicalkindofmaterialsforflexiblebase，thou#thegradedbrokenstonehastheadvantageofdrainageandeconomicalproperty，thiskindofasphaltpavementstill啪notbeadopted謝dely。whichisjustbecauseofitslOWresilientmodulusandunsymmetricalp

3、ermanentdeformationThatiswhytheflexiblepavementdevelopedSOslowlyinoBrcountry111emajorpurposeofthispaperistOstudytheinfluenceofgrainsizedistributionmoldingmethodanddifferentcontentofflyashonstrengthcharacterdeformationlon

4、gtermperformanceofgradedbrokenstone，whichCallprovidesomesupportforextensionofflexiblepavementfInthestatictriaxialtesttheinfluenceofmoldingmethod，grainsizedistributioncompactiondegreeandcontentofflyashonstaticstrengthhasb

5、eenstudiedwhichindicatesthatadoptingvibratingmoldingmethodcanimprovetheshearstrengthofgradedbrokenstoneAnditisclearthattheflexiblebasewillnotbewreckedinstandard10adSpecimensofskeletonsllBgHlrearepriortothoseofsuspended—d

6、ensestructure磯鹼staticstrengthCanbeimprovedifcertainflyashbeaddedintospecimenInthestudyofdynamictriaxialtest，itisobviouslythattheresilientmodulusandinvariantofstressarepowerrelatedAccordingtotherangeofinvariantofStreSSinp

7、racticalprojecttherangeofresilientmodulusCanbeobtained，whichindicatesthatresilientmodulIIsofspecimensofvibratingmoldingmethodishigherthanthatofmanualbeatingmethodones，specimensofskeletonstructurealoepriortothoseofsuspend

8、eddensestructure，resilientmoduluscanbeimprovedifcertainfly—ashbeaddedintospecimenForthepermanentdeformationofgradedmaterials，thesameconclusiouscallbedrawnastheresilientmodulustestFinally，throughthelongtimetestinwhichabou

9、t10，000loadingcyclesalecarriedouttherolesofdeformationandresilientmodulusarestudiedAsthedevelopmentofloadinglimesthepermanentdeformationofspecimensc缸beseparatedintothroestyles：stablestylebrokenstyleandcriticalstyleInthes

10、tablestyle，thedeformationhardlyaugmentseventuallyButinthebrokenstylethespecimensburstintobrokenaswellastheyareloadedSOthatthedeformationinereasesrapidly111ecriticalstyleiSustintervenientthestablestyleandthebrokenstyleGen