-148-京台高速公路改扩建数字化动态设计张含飞1，李玉鑫2，赵新涛3，夏增选1（1.山东省交通规划设计院集团有限公司，山东济南250101；2.山东高速股份有限公司，山东济南250014；3.东营市公路事业发展中心，山东东营257000）摘要：以京台高速济泰段改扩建项目为工程背景，利用GIS，车机载LiDAR技术快速构建精确的数字地面模型，并与BIM技术相结合，对构件建立了合理的、贯穿施工期与运营期的BIM模型编码；利用人工、无人机测算的方法，对项目施工段殷家林枢纽西北象限公路进行数字化仿真模拟，得到该地段的模拟交通组织方案；最后通过动态设计对地面模型与实际地形进行拟合，从而提高效率，缩短项目周期。关键词：数字化模型；BIM；仿真模拟；动态设计；公路改扩建中图分类号：U495文献标识码：BDigitaldynamicdesignstudyoftheBeijing-TaipeiexpresswayexpansionandrenovationZHANGHanfei1,LIYuxin2,ZHAOXintao3,XIAZengxuan1（1.ShandongProvincialCommunicationsPlanningandDesignInstituteGroupCo.,Ltd.,ShandongJinan250101China;2.ShandongHi-speedCompanyLimited,ShandongJinan250014China;3.DongyingRoadBusinessDevelopmentCenter,ShandongDongying257000China）Abstract:TakingtheJinan-Tai'ansectionoftheBeijing-Taipeiexpresswayreconstructionandexpansionprojectastheengineeringbackground,weusedGIS,Vehicle-borneLiDARtechnologytoquicklyconstructanaccuratedigitalgroundmodel,andcombineditwithBIMtechnologytoestablishareasonableBIMmodelcodingforthecomponentsthroughtheconstructionandoperationperiods.UsingmanualandunmannedaircraftmeasurementmethodstodigitallysimulatethenorthwestquadrantoftheYinjialinjunctionhighwayintheconstructionsection,asimulatedtrafficorganizationschemeforthislotisobtained.Finally,thegroundmodelwasfittedtotheactualterrainthroughdynamicdesign,thusimprovingefficiencyandshorteningtheprojectcycle.Keywords:digitalmodels;buildinginformationmodeling;simulation;dynamicdesign;roadreconstructionandexpansion引言京台高速济泰段起点位于济南市市中区，终点位于泰安市，现状技术标准为双向六车道高速公路，设计时速为120km/h。随着我国经济社会的快速发展，交通量迅速增长，道路拥堵现象日趋严重，高速公路改扩建工程成为我国经济社会发展中亟待解决的问题［1］。《公路...
