香港bim运用现状

香港BIM运用现状李恒香港理工大学建筑信息学讲座教授PlanningConceptualDesignDetailedDesignBIMPlanningDetailedDesignConceptualDesignTimeCompressionConstructionFacilityManagementTrial&ErrorPaperBasedConstructionFacilityManagementTrybeforeyouBuildtocutdownrework3DmodelBasedFMtosaveoperationalcosts设计阶段做加法,施工阶段做减法BIM在设计阶段的应用现状微环境分析报告微环境分析通常包括以下内容：风向和风能分析Wind-Claddingandstructuralloads,pedestrianlevelcomfort,naturalventilation,energyproduction.太阳日照分析Solar-Daylighting,solarheating,coolingloadreduction,energyproductionandconservation.温度湿度分析TemperatureandHumidity-Naturalventilation,thermalcomfort.噪音分析Noise,Vibration&Acoustics-Soundandvibrationisolation(externalandinternal),performanceofacousticallysensitivespaces.空气质量分析AirQuality-Exhaustre-entrainment,ambientpollutionlevels.气流组织分析AirDistribution-Thermalcomfort,indoorairquality,condensationcontrol,smokemanagement.景观分析View–ViewfromyourwindowD08栋10楼西北方向单位D08栋太阳角度分析主卧室日照分析主卫生间日照分析客厅和餐厅日照分析卧室日照分析厨房日照分析十楼全层日照分析（平面）十楼全层日照分析（立体）D08栋全栋日照分析(3月20日全天)风向和风能分析温度湿度分析气流组织分析太阳能板分析应用噪声分析景观分析为什么选择微环境分析？绿色建筑已成为趋势中国大型项目都申请LEED认证，微环境分析是不可或缺的部分。但申请LEED认证困难度大，中小楼盘投资压力大买楼的人很重视建筑采光，舒适性，每户住户都可以预先知道自己的住房条件更科学的分类住房,更科学的定价国内还没有任何地产或楼盘为业主提供微环境分析报告微环境分析报告增加楼盘吸引力楼盘更绿色，低碳生活如果你花几百万买套房子，你不想要一份房子的产品性能说明书吗？BIM在施工阶段的应用现状为什么要在施工阶段做减法?项目的成本分布由于设计和施工错误造成的浪费管理成本直接成本宜家模式更合理的成本分布由于设计和施工错误造成的浪费管理成本直接成本施工方案優化VirtualPrototypingPro-activeconstructionmanagement(pcms)startsfromhere….PCMS進度主控，自動預警，減少事故，降低管理成本Satellite21Internet(ISP)34SystemServerOn-siteCamera4DSimulationLocationTrackerReal-timeprojectcontrolSiteInstallationProgressMonitorOn-sitesafetymanagementWhentheworkerwalkintothedangerzone,andthePCMSwillalerttowerandoperatorLocationTrackerLocationTrackerWorkerZoneDangerZoneTowerCraneOn-sitesafetymanagementMonitorwillshowtheworker’slocationsurroundingthetowercraneLocationdisplayInsidetheTowerCraneCabTowerCraneCCTVBBSprogrammeToidentifypatternsofsafeandunsafebehaviorsTounderstandreasonsofunsafebehaviors;Todevelopprinciples/guidelinestocorrectunsafebehaviors.IdentificationofpatternsofunsafebehaviorsPCMScanmonitorbehaviorsofworkersintermsofhowtheyrespondtowarningsignalsgivenbythesystem.Behaviorsofworkerscanbethreepossibilities:

UnsafebehaviorsMovingtowardsdangersourceswhenwarningsignalsaresent;orBeingstaticandignoringwarningsignalsSafebehaviorsTakingactivemeasurestomoveawayfromdangersources.Ofcourse,weneedtogetconsensusfromworkersinjudgingwhatissafeandunsafebehaviorinasiteenvironment.UnderstandingreasonsofunsafebehaviorsInterviewswithworkerswithfrequentunsafebehaviorswillleadustounderstandthereasons.Ofcourse,weneedtomakesurethatthewarningsignalsfromPCMSareaudibleinthesiteenvironment.Ifworkersareunabletopresentlegitimatereasonsfortheirunsafebehaviors,thennegativereinforcementswillbesuggestedtohelpcorrecttheirbehaviors.DevelopingBBSprogrammestoenhancesitesafetyIfwecanidentifypatternsofunsafebehaviorsaswellasworkerswithfrequentunsafebehaviors,itisthenpossibletodevelopasetofprinciples/guidelinestocorrecttheseunsafebehaviors.Atthesametime,asetofpositivereinforcement(rewarding)programmescanalsobeestablishedtoencourage/rewardworkerswithconstantsafebehaviors.总结BIM是描述建筑项目全生命周期的最好语言设计阶段做加法,施工阶段做减法先试后建,降低管理成本,提升施工安全