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Behavior of masonry infilled Chuandou timber frames subjected to in-plane cyclic loading

机译：砌体indifed chuandou木材框架的行为经受在线循环载荷

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摘要

The Chuandou timber frame is a traditional timber structural system widely used for nonengineered residential houses in southwestern China; this system is featured by beam-to-column joints with direct penetration tenons and free-standing column bases. As concluded by a previous study, the Chuandou timber frames with proper infills have exhibited better seismic performance than un-reinforced masonry structures in terms of collapse prevention, although the mortise-tenon connections, masonry infills, timber beams and columns may have sustained various extents of damage. To investigate the seismic behavior of the structural system, six full-scale Chuandou timber frame subassemblies were subjected to in-plane quasi-static loading, four of which were infilled with masonry walls. The test results show that the masonry infills provided the most lateral resistance of the system, whereas the timber frames could sustain a large lateral drift without losing their vertical stability. The observed failure modes were identified from different specimens. The lateral strengths of the specimens in the current test were evaluated using the existing code equations. The results suggest the necessity of considering the aspect ratio in calculating the shear strength of masonry walls.
机译：Chuandou木材框架是一种传统的木结构系统，广泛用于中国西南部的非义纲的住宅;该系统由光束到柱接头具有直接渗透榫头和独立柱底座。如前一项研究所结束的，具有适当填充的Chuandou木材框架表现出比未加强的砌体结构在塌陷预防方面表现出更好的地震性能，尽管榫眼连接，砌体填充物，木材梁和柱可能具有持续各种范围损坏。为了研究结构系统的地震行为，六个全规模的川口木框架子组件受到面内静态载荷，其中四个用砌体壁浸入。测试结果表明，砌体填充物提供了系统的最横向电阻，而木材框架可以维持大的横向漂移而不会失去其垂直稳定性。从不同的样本中鉴定了观察到的失效模式。使用现有的代码方程评估当前测试中的样本的横向强度。结果表明，需要考虑计算砌体墙的剪切强度时的纵横比。

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  • 来源
    《Engineering Structures》 |2020年第may15期|110449.1-110449.13|共13页
  • 作者

    Qu Zhe; Fu Xiang; Kishiki Shoichi; Cui Yao;

  • 作者单位

    China Earthquake Adm Key Lab Earthquake Engn & Engn Vibrat Inst Engn Mech Sanhe 065201 Hebei Peoples R China;

    Tokyo Inst Technol Sch Environm & Soc Yokohama Kanagawa 2268503 Japan;

    Tokyo Inst Technol Inst Innovat Res Yokohama Kanagawa 2268503 Japan;

    Dalian Univ Technol State Key Lab Coastal & Offshore Engn Dalian 116024 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Timber frame; Masonry infill; Direct penetration tenon; Free-standing column; Quasi-static test;

    机译：木材框架;砌体填充;直接渗透榫;独立柱;准静态测试;

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