基坑土釘支護的動態(tài)設計與開挖過程模擬研究.pdf

1、西安科技大學碩士學位論文基坑土釘支護的動態(tài)設計與開挖過程模擬研究姓名：徐長磊申請學位級別：碩士專業(yè)：巖土工程指導教師：戴俊20060418◆◆●●Subject：Studyofdynamicdesigntechnique&simulationofsoilnailingindeepexcavationSpecialty：GeotechnicalEngineeringName：XUChangleiInstructor：IAIJun(Sign

2、ature)(Signature)ABSTRACTSoilnailing，anewretainingsystemindeepexcavation，ismoreandmorewidelyusedinourcountryIt’Sakindofeconomic，reliabletechnologyandisconvenientinconstructionButatpresent，themethodofsoilnaildesignisnotpe

3、rfect，andthetheorylagsbehindtheapplicationintheengineeringpracticeBasedonthepastresearches，thetheoryofdynamicdesignofdeepexcavationretainedwithsoilnailisprovidedinthispaperintheconsiderationofthatthesoilnailretainingsyst

4、emisadynamicprocedureoftheinteractionofstructureandsoilTotheproblemthatthereiSadifferencebetweenthesollnailforcescalculatedinNationalcodeandmeasuredinpractice，usingthepreferredplanetheoryanincrementalcalculationmethodfor

5、soilnailforcesbasedonpreferredplanetheoryisgivenTheresultsindicatethatthesoilnailforcescalculatedinthismethodcanfittheengineeringpracticebetterTakingadvantageofsoftwareANSYS，thepaperanalysesthesoilnailingwith3DnonlinearF

6、EMUsingtheoriesinSoilMechanicsandresultsgotfromanengineeringpractice，theincrementalcalculationmethodforsoilnailforcesgiveninthispaperisprovedBasedontheresultsofnumericalsimulation，someconclusionsaregotten：(1)thelawofsoll

7、nailforcesinwhole—len酉hofnails，(2)thelawofsoilnailforces’varivationindifferentdepths，(3)thepositionofsoilnailwiththelargestforce，(4)thepositionofthelargestsoilnailforcesindifferentdepths；andsomebriefexplanationsaregivent