橋梁施工隨機網(wǎng)絡(luò)仿真及資源優(yōu)化研究.pdf

1、西安建筑科技大學(xué)博士學(xué)位論文橋梁施工隨機網(wǎng)絡(luò)仿真及資源優(yōu)化研究姓名：鄔曉光申請學(xué)位級別：博士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：郝際平20051001西安建筑科技大學(xué)博士論文StudiesouBridgeConstructionGERTNetworkandResourceOptimizationSpecialty：Struc嘶EngineeringName：WuXiaoguangInstructor：ProfHaoJipingAgainsttoth

2、eexistingconditionandproblemsofthisstudyfield，thispaperstudiedthebridgeconstructionGERTmodelandGeneticAlgorithms(GA)theoryofresourceoptimization，andtheoptimizationgoaloftheprojecttimelimitcostandresourceinthecontrolsyste

3、mofbridgeconstructionFurtheritdeducedthestimulationnetworkandthenumericalmethodofGAWiththeapplicationresultofpracticalbridge，itcameoutthatitwouldbegoodbyusethesemethodsThebridgeconstructionprocessisthechancephenomenonWor

4、kingoperationoeeu!TenceanditsdurationaretherandomprobabilitydistributionmodeltooThereforeitwouldbemorecoincidencetotheprojectstateThispaperdeducedthefunctionrelationofthestinaulationnetworknodebytheUSeflowgraphtheoryands

5、tudiedthewaytoworkouttheprocedureprobabilitymodelandstimulationnetworkbythemomentgenerationfunctionandlaidthetheoreticalfoundationinthedevelopmentofcomputerprogramTheGERTnetworkCansolvenotonlytheprojeettimeoptimizationpr

6、obleminmakingbridgeconstructionplanbutalsothecostoptimizationinthelimitofproperprojecttimeandresourceCombinationtheGAwiththeGERTnetworkisanoriginalityinnovationinthebridgeconstructioncontr01Throughthediscussionofpractica

7、bilityinconstructionresourceoptimizationwiththemethodofGA，thepaperstudiedtheGAsconditionofconvergenceandtheobjectfunctionofunifiedassessmentparameterAnditdiscussedtheinfluencethatrenovationoperatortesourceoptimizationres

8、ultsolvedthetwesourceoptimizationproblemsinbridgeconstructioncontrolresourcessmoothingofnetworkplanbeplantedandminimaltimeinthesituationoflimitedresourceUsingthepracticalbridgeasstudyobjectitgotthattherandomnessofGAavoid