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pan kou shi jiao shou jia jie dian zi song chi wen ti yan jiu ji gai jin she ji
Author(s): 
Pages: 51-55
Year: Issue:  4
Journal: Construction Safety

Keyword:  盘扣式脚手架节点松弛当量摩擦系数节点改进;
Abstract: 盘扣式脚手架节点属于半刚性连接节点,节点松动会导致节点附近的立杆失稳,进而影响局部或整体稳定性.但目前对于脚手架安全性的研究主要注重利用不同框架计算模型来研究脚手架整体稳定性,对节点强度和松弛失效方面的研究较少.为了研究动载荷作用下脚手架节点力学性能,运用Ansys软件建立有限元模型,分析了正反弯矩作用下节点接触面当量摩擦系数与插销自锁性能的关系;为提高盘扣节点的自锁性能,对其结构进行改进,设计出双圆盘脚手架节点.
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