为提升桥梁全生命周期建造水平,开展郑州—济南高速铁路(简称:郑济高铁)黄河特大桥基于BIM(Building Information Modeling)的数字化应用研究。从设计端确定BIM设计及施工应用标准,建立整体结构LOD350精度BIM模型,开展设计出图及技术交...为提升桥梁全生命周期建造水平,开展郑州—济南高速铁路(简称:郑济高铁)黄河特大桥基于BIM(Building Information Modeling)的数字化应用研究。从设计端确定BIM设计及施工应用标准,建立整体结构LOD350精度BIM模型,开展设计出图及技术交底等应用。从施工端承接设计端BIM模型,开展深化设计及施工仿真等应用。基于BIM+地理信息系统(GIS,Geographic Information System)技术实现三维可视化的施工进度及安全质量管理,为项目开展及管理提供信息化支撑。通过信息技术与施工现场管理的深度融合,建设数字工地,助力施工管理方式全面升级。基于郑济高铁BIM项目的应用实践,形成了涵盖总体策划、标准制定、BIM应用、项目综合管理的全过程数字化技术路线,可为同类土建工程建设项目的数字化综合应用提供参考。展开更多
In view of the problems such as backward production mode,poor quality stability,high safety risk and incomplete control system during erection of the reinforcement framework of simply-supported box girders for high-sp...In view of the problems such as backward production mode,poor quality stability,high safety risk and incomplete control system during erection of the reinforcement framework of simply-supported box girders for high-speed railway(HSR),and in combination with the key points and main challenges in the reinforcement framework construction of Guangzhou-Zhanjiang HSR,the overall technical route for the intelligent manufacturing of reinforcement framework of simply-supported box girders is put forward.The component design of reinforcement framework of simply supported box girder is carried out based on BIM,and the feasibility of the scheme is verified through segment assembly test.The assembly techniques are studied in combination with the mesh design scheme to achieve rapid forming of the reinforcement framework.R&D of automatic processing equipment for components,material transshipment equipment,automatic hoisting equipment and technological equipment for assembly clamping fixture are carried out to realize the overall design of equipment production line.An intelligent control system is developed for the whole-process intelligent construction of reinforcement framework to realize the full life-cycle applications for the workshop production and visual management including intelligent layout and quality traceability.The research results systematically optimize and innovate the assembly and forming technologies of reinforcement framework in the prefabrication beam yard of high-speed railway,realize the component processing,automatic assembly and information technology management,improve the construction quality,efficiency and information technology level of intelligent manufacturing of reinforcement framework of railway prefabricated beam as a whole,and reduce the construction cost of the project.The research has realized a major breakthrough in the construction technology of railway prefabricated box girders,which has the extensive technical and market promotion values.展开更多
文摘为提升桥梁全生命周期建造水平,开展郑州—济南高速铁路(简称:郑济高铁)黄河特大桥基于BIM(Building Information Modeling)的数字化应用研究。从设计端确定BIM设计及施工应用标准,建立整体结构LOD350精度BIM模型,开展设计出图及技术交底等应用。从施工端承接设计端BIM模型,开展深化设计及施工仿真等应用。基于BIM+地理信息系统(GIS,Geographic Information System)技术实现三维可视化的施工进度及安全质量管理,为项目开展及管理提供信息化支撑。通过信息技术与施工现场管理的深度融合,建设数字工地,助力施工管理方式全面升级。基于郑济高铁BIM项目的应用实践,形成了涵盖总体策划、标准制定、BIM应用、项目综合管理的全过程数字化技术路线,可为同类土建工程建设项目的数字化综合应用提供参考。
文摘In view of the problems such as backward production mode,poor quality stability,high safety risk and incomplete control system during erection of the reinforcement framework of simply-supported box girders for high-speed railway(HSR),and in combination with the key points and main challenges in the reinforcement framework construction of Guangzhou-Zhanjiang HSR,the overall technical route for the intelligent manufacturing of reinforcement framework of simply-supported box girders is put forward.The component design of reinforcement framework of simply supported box girder is carried out based on BIM,and the feasibility of the scheme is verified through segment assembly test.The assembly techniques are studied in combination with the mesh design scheme to achieve rapid forming of the reinforcement framework.R&D of automatic processing equipment for components,material transshipment equipment,automatic hoisting equipment and technological equipment for assembly clamping fixture are carried out to realize the overall design of equipment production line.An intelligent control system is developed for the whole-process intelligent construction of reinforcement framework to realize the full life-cycle applications for the workshop production and visual management including intelligent layout and quality traceability.The research results systematically optimize and innovate the assembly and forming technologies of reinforcement framework in the prefabrication beam yard of high-speed railway,realize the component processing,automatic assembly and information technology management,improve the construction quality,efficiency and information technology level of intelligent manufacturing of reinforcement framework of railway prefabricated beam as a whole,and reduce the construction cost of the project.The research has realized a major breakthrough in the construction technology of railway prefabricated box girders,which has the extensive technical and market promotion values.
