施工技术 2016年7月下 132 CONSTRUCTION TECHNOLOGY 第45卷第14期 D0I:10.7672/8js2016140132 长城金融工程转换钢桁架施工仿真模拟与监测技术 程普强 (中铁建设集团有限公司北京分公司，北京100040) [摘要]为保障转换大桁架临时支撑拆除施工过程安全可控，对转换大桁架的施工过程通过MIDAS进行仿真计算 分析，提出施工过程中需要控制的技术参数，确定结构在施工期间的整体结构状态和局部构件的受力特征，评估施 工过程结构的安全水平并进行预警，确保了施工安全可挖.. [关键词]安装工程；转换钢桁架；仿真模拟；位移；应变；应力；监测 [中图分类号]TU758.1 [文献标识码]A [文章编号]1002-8498(2016)14-0132-03 Simulation and Monitoring Technology of Steel Truss Construction of Changcheng Financial Engineering Cheng Puqiang (China Railway Construction Group Co.Lad.Beijing Branch Beijing 100040 China) Abstract:In order to guarantee the conversion truss temporary support to dismantle the construction process safe and controllable through the MIDAS simulation calculation the conversion truss construction process was analyzed the proposed technical parameters needed to be controlled in the construction process were put forward the structural state of the whole structure and the stress characteristies of the local members during construction were determined.At the same time and the safe level of struetures in the construction process was evaluated and the early warning was conducted which ensures the construction safe and controllable. Key words:installation;converted steel truss;simulation;displacement;strain;stress;monitoring 1工程概况 长城金融工程位于北京市丽泽金融商务区，主 楼结构形式为型钢混凝土框架剪力墙核心筒结 构.为保证大堂的效果，大楼南侧①~E/③~⑧ 轴线位置采用高大空间，大堂高度29.7m 跨度 图1转换钢桁架BIM效果 30m 采用转换钢桁架托起上层结构，桁架为5~7 Fig.1 BIM effect of converted steel truss 层，上部楼层高度120mc 转换钢桁架最大截面L1(H900×1800×90× 1大桁...
长城金融工程转换钢桁架施工仿真模拟与监测技术.pdf
