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[1] Chun Qing, Han Yidan, Meng Zhe, et al. Mechanical properties of monodirectional Gutou mortise-tenon jointsof the traditional timber buildings in the Yangtze River region [J]. Journal of Southeast University (English Edition), 2016, 32 (4): 457-463. [doi:10.3969/j.issn.1003-7985.2016.04.011]
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Mechanical properties of monodirectional Gutou mortise-tenon jointsof the traditional timber buildings in the Yangtze River region()
江南地区传统木构建筑单向箍头榫节点受力性能
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
32
Issue:
2016 4
Page:
457-463
Research Field:
Civil Engineering
Publishing date:
2016-12-20

Info

Title:
Mechanical properties of monodirectional Gutou mortise-tenon jointsof the traditional timber buildings in the Yangtze River region
江南地区传统木构建筑单向箍头榫节点受力性能
Author(s):
Chun Qing1;  2;  Han Yidan1;  Meng Zhe1
1 School of Architecture, Southeast University, Nanjing 210096, China
2Key Laboratory of Urban and Architectural Heritage Conservation of Ministry of Education, Southeast University, Nanjing 210096, China
淳庆1;  2;  韩宜丹1;  孟哲1
1东南大学建筑学院, 南京 210096; 2东南大学城市与建筑遗产保护教育部重点实验室, 南京 210096
Keywords:
traditional timber building;  monodirectional Gutou mortise-tenon joint;  mechanical property;  energy dissipation capacity
传统木构建筑;  单向箍头榫;  受力性能;  耗能能力
PACS:
TU366.2
DOI:
10.3969/j.issn.1003-7985.2016.04.011
Abstract:
The mechanical properties of the monodirectional Gutou mortise-tenon joints of the ancient Chinese traditional timber buildings in the Yangtze River region were studied using the experimental method. Three monodirectional Gutou mortise-tenon joints were designed according to the actual configurations. The failure modes, the hysteretic curves, the skeleton curves, the rotation rigidities, and the energy dissipation capacity of this type of mortise-tenon joints under the low cyclic reversed loading were obtained. The results show that the hysteretic curves of the monodirectional Gutou mortise-tenon joints appear to be Z shape and have obvious pinch effects. During the process of the test, these mortise-tenon joints pass orderly through the elastic stage, the yield stage and the failure stage. The energy dissipation capacity of these mortise-tenon joints generally decreases with the increase in the rotation angle. The equivalent viscous damping coefficients of the monodirectional Gutou mortise-tenon joints are between 0.161 and 0.193. The results can provide the theoretical base for the computing analysis and repair design of Chinese traditional timber buildings in the Yangtze River region.
为研究江南地区传统木构建筑中常见的单向箍头榫节点的受力性能, 基于真实构造设计了3个单向箍头榫节点试件并通过试验获取了该种榫卯节点在低周反复荷载作用下的破坏模式、滞回曲线、骨架曲线、转角刚度及耗能能力.试验结果表明:该种榫卯节点的滞回曲线基本上都呈Z形, 具有明显的捏拢特性.该种榫卯节点在低周反复荷载作用下从开始到破坏均经历了弹性阶段、屈服阶段和破坏阶段, 其耗能能力总体随着节点转角的增大而减小, 该种榫卯节点的等效黏滞阻尼系数基本在0.161~0.193之间.研究结果可为江南传统木构建筑的计算分析及保护修缮提供理论基础.

References:

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Memo

Memo:
Biography: Chun Qing(1979—), male, doctor, associate professor, cqnj1979@163.com.
Foundation item: The National Natural Science Foundation of China(No.51138002, 51578127).
Citation: Chun Qing, Han Yidan, Meng Zhe. Mechanical properties of monodirectional Gutou mortise-tenon joints of the traditional timber buildings in the Yangtze River region[J].Journal of Southeast University(English Edition), 2016, 32(4):457-463.DOI:10.3969/j.issn.1003-7985.2016.04.011.
Last Update: 2016-12-20