论文部分内容阅读
山东省聊城摩天轮采用刚柔混合支承形式一上部轮盘由140根柔性钢拉索和7根刚性桁架式支撑梁交替均布构成,轮盘由下部4根柔性主拉索和2根刚性主立柱支撑,该支承形式传力路径简洁合理、结构形式安全可靠。本文通过有限元方法对该摩天轮进行了结构极限强度分析、正常使用极限状态分析、偏栽分析、抗震分析、安装过程分析、轮辐索失效分析、局部精细有限元分析。由计算结果可知,极限风荷载是摩天轮设计的控制性荷载。该分析结果和方法可供类似结构研究设计参考。
Shandong Liaocheng Ferris wheel with rigid and flexible support form an upper roulette composed of 140 flexible steel cables and 7 rigid truss-type support beam alternately uniform composition, the roulette from the bottom of the four main flexible main cable and two rigid main Column support, the support form force transmission path is simple and reasonable, safe and reliable structure. In this paper, the ultimate strength of the Ferris wheel is analyzed by finite element method, the limit state analysis is used normally, partial planting analysis, seismic analysis, installation process analysis, failure analysis of spoke, local fine finite element analysis. It can be seen from the calculation results that the ultimate wind load is the control load of the design of the Ferris wheel. The analysis results and methods are available for reference to similar structural studies.