木框架剪力墙钉连接的设计与性能

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Wood Research Pub Date : 2022-04-19 DOI:10.37763/wr.1336-4561/67.2.291301

Mingbin Liu, Nan Su, Xiurong Zhu

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引用次数: 0

摘要

由于钉连接具有良好的侧拉性能，因此本文研究了木剪力墙框架构件钉连接在单调荷载作用下的拉拔和抗剪性能。结果表明，钉连接的拉出行为主要是螺纹钉从框架构件中拔出造成的。钉钉连接的剪切性能表现为螺纹钉的塑性铰、钉顶的局部撕裂、钉帽斜嵌于钉钉表面。剪剪模式的平均极限荷载和平均极限位移分别是拔拔模式的1.48倍和5.12倍。根据研究结果，建立了相应的指数数值模型，为木剪力墙钉接侧移性能研究和有限元模拟分析提供了基础数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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DESIGN AND PERFORMANCE OF NAIL CONNECTION IN WOOD FRAMING SHEAR WALLS

As the preferable lateral resistance system of a wood shear wall is attributedto the good lateral performance of nail connection, this paper aims at investigating the pull-out and shear performances of framing members’ nail connection in wood shear walls under monotonic loading. It was found that the main failure mode of the pull-out behavior of nail connection was the withdrawal of threaded nails from framing members. In addition, the shear behavior of nail connection was characterized by plastic hinge of threaded nails, local tear of spruce-pine-fir(SPF)on the top of nails, and nail caps that were obliquely embedded into the surface of SPF. The average ultimate load and displacement of shear mode were 1.48 times and 5.12 times higher than those of pull-out mode, respectively.According to the research results, thecorresponding exponential numerical model was established, which provided basic data for the lateral performance research and finite element simulation analysis of wood shear walls nail connection.

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来源期刊

Wood Research 工程技术-材料科学：纸与木材

CiteScore

2.40

自引率

15.40%

发文量

审稿时长

5.4 months

期刊介绍： Wood Research publishes original papers aimed at recent advances in all branches of wood science (biology, chemistry, wood physics and mechanics, mechanical and chemical processing etc.). Submission of the manuscript implies that it has not been published before and it is not under consideration for publication elsewhere.