唐山勒泰中心大跨度屋面单层网壳施工方案优选.pdf

拖工技术 2016年5月下 26 CONSTRUCTION TECHNOLOGY 第45卷第10期 doi:10.7672/sgjs2016100026 唐山勒泰中心大跨度屋面单层网壳施工方案优选 高明德 (中铁城建集团北京工程有限公司,北京100024) 摘要]对大跨度屋面单层网壳提出了整体提升和分块提升两种网壳安装方案,利用MIDAS EN有限元软件建立 网壳屋面施工全过程仿真模型,得到不同方案下结构的力学响应,从质量控制、施工过程中结构受力等方面对比得 到两种安装方案优缺点及适用性,最终确定整体提升方案为该工程采用,圆满地解决了工程难题,保证了工程进度 及质量。 关键词]钢结构单层网壳MIDAS /GEN;施工全过程;仿真 [中图分类号]TU758.11 [文献标识码]A 文章编号]1002-8498(2016)10-0026-04 Construction Schemes Selection of Single Layer Lattice Shell in Tangshan Letai Center Gao Mingde Beijing Engineering Company Limited of China Urban Construction Group ,100024 ,China ) Abstract :Two construction schemes of single layer lattice shell in Tangshan Letai Center were proposed namely integral elevating method and partitioning installation method .The simulation model of shell roof construction was establish with MIDAS /GEN,to obtain mechanical response of the structure under different scenarios .Two construction schemes were pared in terms of construction quality ,mechanical status in construction process ,advantages and disadvantages and applicability were given .Integral elevating method was adopted for the project with engineering problems solved ,and met the project schedule and quality ...