轻型木结构剪力墙新型面板钉节点试验研究
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TU366.2

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天津市科技计划项目“装配式木结构体系关键技术研究及其应” (18ZXAQSF00100)


Experimental study on a new type of panel nailing joint for light wood-framed shear walls
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Tianjin science and technology planning project

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    摘要:

    设计了一种在墙骨柱与覆面板之间粘结硅胶条的新型面板钉节点,并对新型面板钉节点进行了单调加载试验。通过试验分析了不同类型钉节点的承载能力、变形能力和破坏模式。试验结果表明,新型面板钉节点较常规钉节点具有更高的承载力和峰值位移,当硅胶条与结构胶协同性较好时,新型面板钉节点的延性、极限位移等会得到更大提升;同时发现顺纹方向加载试件的承载能力和初始刚度等普遍优于横纹方向加载试件。最后本文在试验数据分析基础上,对承载力及延性都较好的硅胶条新型面板钉节点的荷载-位移曲线进行了拟合,为该新型面板钉节点在轻型木结构剪力墙的有限元研究提供了合理的恢复力模型。

    Abstract:

    A new type of panel nail joint was designed to bond the silica gel strip between the wall bone column and the cladding panel. The bearing capacity, deformation capacity and failure mode of different types of nail joints were analyzed by experiments. The experimental results show that the new type of nail joints have higher bearing capacity and peak displacement than the conventional ones. When the silica gel strip and the structural adhesive are in good coordination, the ductility and ultimate displacement of the new type of nail joints will be improved. At the same time, it is found that the bearing capacity and initial stiffness of specimens loaded in the direction of longitudinal grain are generally better than that of specimens loaded in the direction of transverse grain. Finally, based on the analysis of the experimental data, the load-displacement curves of the new type of plate nail joints with good bearing capacity and ductility are fitted, which provides a reasonable restoring force model for the finite element study of the new type of plate nail joints with good bearing capacity and ductility on the lightweight wood-structure shear wall.

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王玲,曲孝坤. 轻型木结构剪力墙新型面板钉节点试验研究[J]. 科学技术与工程, 2021, 21(2): 658-663.
Wang Ling, Qu Xiaokun. Experimental study on a new type of panel nailing joint for light wood-framed shear walls[J]. Science Technology and Engineering,2021,21(2):658-663.

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  • 收稿日期:2020-04-26
  • 最后修改日期:2020-11-20
  • 录用日期:2020-07-26
  • 在线发布日期: 2021-02-07
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