2016年8月下 施工技术 第45卷第16期 CONSTRUCTION TECHNOLOGY 105 D0I:10.7672/8js2016160105 大坡度钢网架结构旋转顶升安装技术 庄利军 (山西国建集团有限公司铜结构分公司，山西太原030006) [摘委]采用项升法安装钢网架施工过程中，相邻顶升支撑结构高差超限会导致液压系统破坏、支撑体系失稳等施 工安全向题.针时进一视宾，结含某大度网架屋面安装工程作为实例，分析了顶升容装过程中所采用的固定 轴旋转找坡-项升端加设滑槽的施工方法，同时在安装过程中采用MT软件对网架的杆件承载力、整体穆定性等进 行横拟分析. [关键词]钢结构；钢网架；安梨；项升法；滑槽；模拟分析 [中图分类号]TU758.1[交献标识码]A[文章编号]1002-8498(2016)16-0105-03 Big Top Grade Steel Grid Structure Rotation Installation Method Zhuang Lijun China Shanxi Sijian Group Co.Ltd.Steel Structure Branch Taiyuan Shanxi 030006 China) Abstract:During installation of the steel space truss by jack-up method adjacent jack-up support structure difference transfinite can lead to hydraulic system damage and supporting system construction safety problems such as instability.In reaction to the phenomenon bined with a large slope steel space truss roof installation project as example the author analyzes the installation process by using the fixed axis rotation for slope and jack-up end adding chute construction method.Meanwhile in the process of installing the MST software is used to simulating bar bearing capacity and the overall stability ete. Key words:steel structures;steel space truss;installation;jack-up method;chute;simulation 1工程概况 爆支架、置后的组令支架及盟后防妈榻支架 某文体中心钢结构网架屋顶，网架为焊接球正位置如图1所示. 旋四角雅平板网架结构，周边柱点支撑.短向跨度 为54m 长向跨度为60.9m 投影面积约为 3288.6m2.屋面为单向排水，其网架支座底标高最 低点.12.874m 最高点17.869m 沿长度方向形成高 差约5m的坡屋面.该网架施工空闸受到周边混凝 土构件的影响，网架拼装空获小，无法找到统一 870 6 标高平面进行拼装.同时网架自身坡度较大，网架 4 整体的安装就位成为该网架施工的难点. A A 2施工方亲及...
大坡度钢网架结构旋转顶升安装技术.pdf
