轻型木结构中覆面板钉连接承载性能试验研究
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Experimental Analysis on the Behavior of Panel-to-lumber NailedJoints in Light Wood Frame Construction
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    摘要:

    通过对222个采用中国产圆钢钉制作的轻型木结构覆面板钉连接试件进行单调加载试验,研究了它们的承载性能。试验结果表明,钉连接发生模式M-c1屈服、覆面板断裂、覆面板剪坏、规格材撕裂和钉子穿透等5种破坏;直钉连接的承载力比斜钉高,而两者刚度基本相同;覆面板主方向与规格材木纹夹角对钉连接承载力和刚度的影响很小;荷载方向与规格材木纹夹角影响钉连接的刚度,但不影响其承载力。通过与欧洲木结构设计规范钉连接计算公式的分析对比,获得了符合中国轻型木结构覆面板钉连接的刚度计算公式,为计算分析剪力墙和横隔(楼盖和屋盖)的抗侧力性能提供参考。

    Abstract:

    To study their resistance performance, totally 222 specimens of panel-to-lumber nailed joints, in different configurations and used in light wood frame construction, were manufactured and tested under monotonic load. There are five kinds of destruction produced with nailed joints,which are model M-c1, rupture of panel, shear failure of panel, wood tear-off and push-through of nail. The resistance of nailed joints with vertical nailing is higher than that with toe-nailing, while the stiffness is almost the same. The angle between the panel orientation and dimension lumber wood grain affects the resistance and the stiffness of nailed joints little, while the angle between loading and dimension lumber wood grain affects the stiffness but not the resistance. The empirical equations to calculate the stiffness of the nailed joints are derived, thus providing reference for evaluating the performance of shear walls and diaphragm (floor and roof) in design of light wood frame structures.

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陈志勇,祝恩淳,潘景龙.轻型木结构中覆面板钉连接承载性能试验研究[J].土木与环境工程学报(中英文),2010,32(6):47-54. CHEN Zhi-yong, ZHU En-chun, PAN Jing-long. Experimental Analysis on the Behavior of Panel-to-lumber NailedJoints in Light Wood Frame Construction[J]. JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING,2010,32(6):47-54.10.11835/j. issn.1674-4764.2010.06.009

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  • 收稿日期:2010-03-09
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