WebinarSeriesUniversityTransportationCenterforUndergroundTransportationInfrastructure(UTC-UTI)

IntelligentSystemsforTransportationTunnelAnalysis,

Design,andMonitoring

Wednesday,April15,2020:12-1:30PMMST(2-3:30PMEST)

Freeregistration:(link)

http://underground.mines.edu/utc-uti.html

AIntelligentBackAnalysisofTunnelResponsefromFieldMonitoringBack-analysisinvolvesthedeterminationofinputparametersincomputational

modelsusingfieldmonitoreddata,andtheycanbeparticularlyusefulforthe

analysisanddesignofundergroundconstructions.Heuristicmethodsofback-

analysis,whichareexperience-basedtechniquesforinverseproblemsolving,are

presented.Twoheuristicmethodsarediscussed,namely,SimulatedAnnealing

(SA)andDifferentialEvolutionGeneticAlgorithm(DEGA).DescriptionsofSA

andDEGA,theirimplementationsinthecomputercodeFastLagrangian

AnalysisofContinua(FLAC),andusesintheback-analysisofarealcaseofatwin

tunnelinChinaarepresented.

ProfessorMarte GutierrezColoradoSchoolofMines

TheUsingDeepNeuralNetworkstoPredictSensorResponseandGeologyAheadofaTBMOptimalusageofTunnelboringmachines(TBMs)requiresinformationaboutthe

soilandrockoftheworksitethattheTBMisdrillingthrough.Inthisstudy,we

developednovelmethodsbasedonArtificialIntelligenceandDeepNeural

Networks,topredicttheoperationalparametersoftheTBMaswellasthesoil

compositionaheadofTBM.ProfessorMohammad

PourhomayounCaliforniaStateUniversity-LA

ExaminationofSegmentalLinerLoadingforSoftGroundTunnels:DesignApproachesvsActualBehaviorEfficientdesignofthepre-castconcretesegmentscanhaveconsiderableeconomic

importance,especiallyinclosedfacetunnelingwherethesegmentaltunnelliningis

usedasboththetemporaryandfinalsupport.3Dfinite-differenceanalysis

simulationstogetherwithrarefielddatafromstraingaugesinstalledinsegmental

liningringsattheSeattleNorthgateLinktunnelprojectareexaminedtoprovidea

betterunderstandingofliningloaddevelopedduringEPBshieldtunneling.The

resultsofthisstudyshowthatthefinalliningloadsarecontrolledbythechamber

pressureforpressurebalanceTBMswithpressurizedmaterialintheshieldannulus

TamirEpelColoradoSchoolofMines

Uponrequest,1.5PDHelectroniccertificatewillbeissuedatthecostof$15.

PleasecontactLearn@mines.edu aftertakingthewebinar.