分形節(jié)理巖體強度和變形尺寸效應規(guī)律的試驗研究.pdf

1、青島理工大學碩士學位論文分形節(jié)理巖體強度和變形尺寸效應規(guī)律的試驗研究姓名：栗二孬申請學位級別：碩士專業(yè)：工程力學指導教師：王謙源20060601青島理工大學工學碩士學位論文ABSTRACTRockmassesisnothomogeneous，SOitmakesdifficulttoconfirmrealmechanicsparametersandtheirsizeeffect，ithasbeenresearhedandprovedtha

2、tjointsdistributionaccordswithfractalregulationsCombiningfractaltheoryandsimilartheorythispaperinstructsactualrockmassengineeringwhichissimulated，accordingtesearchingthestrengthanddeformationsizeeffectrulesandvaryingrule

3、salongwi血thefractaldimensionofsimilarsizeblocksattainedinthelab111ismethodhasmanymerits，suchaSconvenient，economicalIthasenormousacademicandpracticalsignificanceTllispaperattainsfollowingachievementsbycombiningtheoryandpr

4、actice：1)mpaperimprovedtechnologypartsofusmgsimilarmaterialtosimulatefractaljoints2)mpapermorestudiedthesizeeffectofuniaxialcompressivestrength，deformationmodulusandpoissonratioofrockmasseswhichhavefractaljointsandattain

5、edtheirbasicrulesaccordingtosizechange3)mpaperanalyzedthebasicrulesofuniaxialcompressives廿engthanddeformationmodulusofrockmasseswhichhavefractaljointsvaryingalongwithfraetaldimensionofrockmassesjointsdistributing4)mpaper

6、analyzedthebasicrulesofuniaxialcompressivestrengthanddeformationmodulusofrockmassesbysyntheticallyconsideringsizeeffectandfractaldimension5)mpaperputforwardthecompressivestrengthanddeformationmodulusofthefractaljointsroc

7、kmassesmathematicalmodelalongwithsizeandfractaldimensionvaryingbymakingmatlabprogramBycheckingcomputationsweknewsimulatedrockmasseserrorbetweenfunctionvalueandexaminationvalueWaswithintherangeofengineeringpermissionSothe