[1]安仁兵,周乾,潘毅,等.水平作用下古建筑木柱受力性能影响因素分析 [J].西安建筑科技大学学报(自然科学版),2024,56(05):715-722.[doi:10.15986.j.1006-7930.2024.05.010]
　AN Renbing,ZHOU Qian,PAN Yi,et al.Analysis of influencing factors on mechanical performance of timber columns in ancient buildings under horizontal loads [J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2024,56(05):715-722.[doi:10.15986.j.1006-7930.2024.05.010]
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水平作用下古建筑木柱受力性能影响因素分析
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
56
期数:
2024年05期
页码:
715-722
栏目:
出版日期:
2024-10-28

文章信息/Info

Title:
Analysis of influencing factors on mechanical performance of timber columns in ancient buildings under horizontal loads
文章编号:
1006-7930(2024)05-0715-08
作者:
安仁兵1; 2; 周乾1; 潘毅3; 张春涛2
（1故宫博物院，北京 100009； 2西南科技大学 土木工程与建筑学院，四川 绵阳 621010；3西南交通大学 土木工程学院，四川 成都 610031）
Author(s):
AN Renbing1; 2; ZHOU Qian1; PAN Yi3; ZHANG Chuntao2
（1Palace Museum，Beijing 610031, China；2School of Civil Engineering and Architecture, Southwest University of Science and Technology, Sichuan Mianyang 621010, China; 3School of Civil Engineering , Southwest Jiaotong University, Chengdu 610031, China）
关键词:
古建筑木柱; 柱脚节点; 弯矩转角关系; 动力响应; 水平作用
Keywords:
traditional timber column;  column foot;  momentrotational relationship;  dynamic response;  horizontal loads
分类号:
TU366.2
DOI:
10.15986.j.1006-7930.2024.05.010
文献标志码:
A
摘要:
由于柱脚的平摆浮搁布置，古建筑木柱在水平作用下的受力性能对整体结构的抗震性能具有重要影响.为探究水平作用下古建筑木柱受力性能的影响因素，基于木柱在水平作用下的力学模型，从静力和动力两个方面，分别讨论弹性模量、高径比、轴压比、圆频率和加速度幅值等因素对木柱受力性能的影响.结果表明：在静态下，古建筑木柱的受力行为由柱脚节点的受力性能体现.更大的弹性模量、更小的高径比和更高的轴压比能够增加柱脚节点的刚度和恢复力矩，使木柱保持稳定.在动态下，木柱的动力响应表现为滑移和倾斜.相比于水平作用的振幅，频率对木柱的动力响应影响更大.柱脚的滑移量有限，木结构的倒塌更大来自于木柱的倾斜角度过大.该研究成果可为古建筑木柱的抗震加固提供理论支撑.
Abstract:
Due to the fact that the columns are directly placed on stone foundations, the horizontal stress performance of wooden columns in ancient architecture has a significant impact on the seismic performance of the overall structure. In order to explore the influencing factors of the mechanical properties of timber columns in ancient buildings under horizontal action, based on the mechanical model of timber columns under horizontal action, the effects of elastic modulus, heightdiameter ratio, axial compression ratio, circular frequency and acceleration amplitude on the mechanical properties of timber columns were examined from both static and dynamic aspects. The results show that under static conditions, the mechanical behavior of ancient timber columns is reflected by the mechanical performance of column foot. In the dynamic state, the dynamic response of timber column is characterized by slip and tilt. Compared with the amplitude of the horizontal action, the frequency has a greater influence on the dynamic response of the timber column. The slip of the column base is limited, and the greater collapse of the timber structure comes from the excessive inclination angle of the timber columns. This research result can provide theoretical support for seismic reinforcement of timber columns in ancient buildings.

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备注/Memo

备注/Memo:
收稿日期:20240409修回日期:20240724
基金项目:国家自然科学基金（51878182，51878559）
第一作者:安仁兵（1991—），男，工学博士，讲师，主要从事古建筑结构抗震研究.Email:arb_xnkd@163com
通信作者:潘毅（1977—），男，工学博士，教授，主要从事结构工程抗震与加固的研究.Email:panyi@swjtueducn
更新日期/Last Update: 2024-11-22