木网壳结构节点研究现状及关键问题

Research Status and Key Topics of Timber Reticulated Shell Structure Joints

木网壳结构凭借绿色环保、通透美观和受力合理等优势被应用于工程。木网壳节点对木网壳稳定性能有着重要影响,其性能引起广泛的研究。文章基于典型的木网壳工程案例,论述了木网壳结构不同类型节点的设计方法。从节点力学性能、节点力学模型的简化方法以及节点性能对木网壳稳定性能的影响3方面综述了木网壳节点的研究现状,并进一步提出了木网壳节点研究亟须解决的关键问题。

Timber reticulated shell structures have been applied in the engineering practice,owing to the advantages of environmental protection,wide-open space and excellent mechanical performance.Timber reticulated shell structure joints play an important role in maintaining the stability of timer shell,and thus the behavior of timber shell structure joints has been widely investigated.Based on the typical engineering cases of timber shell structures,the design of timber reticulated shell structure joints was discussed.The state-of-the-art of timber shell structure joints was summarized including the mechanical behavior of joints,the simplified mechanical models of joints and the influence of the mechanical behavior of joints on timber reticulated shell structures.The key problems that need to be solved in timber reticulated shell structure joints were further identified.