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基于BIM技术的悬索桥钢桁梁吊装施工

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悬索桥钢桁梁是承受和传递荷载的主要构件,由于其高大、自重大、节点构造复杂、杆件多、施工精度要求高、吊装受水位影响大、高空施工拼接次数多等特点,吊装过程中存在杆件位置交错、高空连接受力不佳、施工组织困难、工期紧、安全风险大等问题.鉴于此,以某悬索桥钢桁梁安装为工程背景,利用BIM技术建立悬索桥高精度三维模型,对吊装过程进行了详细施工模拟,对比分析不同施工顺序,协调起吊过程中冲突部分,制订高效可行的施工方案,达到了钢桁梁吊装无碰撞、连接易操作、施工效率提高、安全与工期有保障的目的.
Hoisting Construction of Steel Truss Girder of Suspension Bridge Based on BIM Technology
Steel truss girder of suspension bridge is the main component to bear and transfer loads.Due to its characteristics such as high girder height,large length,heavy load,complex joint,large number of rods,high construction accuracy requirements,heavy lifting affected by water level,and many times of high-altitude construction splicing,there are some problems in lifting process,such as staggered position of rods,poor high-altitude connection force,difficult construction organization,tight construction period,and large safety risks.In view of this,taking the installation of steel girder of a suspension bridge as the engineering background,BIM technology is used to establish a high-precision digital twin three-dimensional model of the suspension bridge,carrying out detailed construction simulation of the lifting process,comparing and analyzing different construction sequences,coordinating the conflicting parts in lifting process,and developing an efficient and feasible construction plan.The purpose of lifting steel girder without collision,easy operation of connection,improvement of construction efficiency,safety and guarantee of construction period is realized.

bridgessuspension bridgesbuilding information modeling(BIM)steel truss girdershoistingconstructionsimulation

荆梦瑶、李阳、吴廷尧

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中建桥梁有限公司,重庆 402260

重庆大学土木工程学院,重庆 400045

桥梁工程 悬索桥 建筑信息模型 钢桁梁 吊装 施工技术 数值模拟

2024

施工技术(中英文)
亚太建设科技信息研究院 中国建筑设计研究院 中国建筑工程总公司 中国土木工程学会

施工技术(中英文)

影响因子:1.244
ISSN:2097-0897
年,卷(期):2024.53(18)