无轴式摩天轮安装施工技术模拟分析

Analysis and research of no-shaft ferris wheel installation construction technology of simulation

无轴式摩天轮安装过程中,杆件间的位移关系到整个工程的质量,它贯穿于施工期直至运行期。对无轴式摩天轮的安装施工技术过程进行模拟,采用MIDAS数值分析软件,对潍坊白浪河大桥及摩天轮安装工程进行模拟分析,数值计算结果表明,将高度138m的无轴式摩天轮分成四部分安装,下部安装采用地面支撑,通过重型塔吊车进行构件单元安装;中部采用下部结构及格构柱提供支撑,配合塔吊及脚手架完成;上部安装通过格构柱支撑,配合塔支撑体系及操作脚手架完成;摩天轮上部节点最大位移258mm,下部最小位移54mm,节点最大位移小于1/500H,满足施工规范要求,为同类工程提供理论数值参考。

Without shaft wheel installation process,the displacement relationship between bar to the quality of the whole project,it throughout the construction period and operation period,the paper mainly discusses the countless shaft simulation method in the process of installation construction technology of the no-shaft ferris wheel,using numerical analysis software MIDAS,to wei-fang whitewater river bridge and the noshaft ferris wheel engineering simulation analysis,the numerical calculation results show that the height of138 m without shaft wheel is divided into four parts installation,lower installation uses the ground support,through the heavy crane car component unit installation,USES the lower structure to pass the structure of central pillar support,cooperate with the tower crane and scaffolding,upper installed through the lattice column support,to complete supporting system and operating scaffolding tower,the no-shaft ferris wheel upper nodes maximum displacement of 258 mm,lower part of the minimum displacement of the54 mm,node displacement less than 1/500 h,the biggest meet construction specification requirements;Provide theoretical numerical reference for similar projects.