[1]张辰啸,戴君武,杨永强.多层古建抬梁式木结构振动台试验研究[J].世界地震工程,2017,33(03):061-66.
 ZHANG Chenxiao,DAI Junwu,YANG Yongqiang.Study on the shaking table test of ancient multi-storey post-and-lintel timber structure[J].,2017,33(03):061-66.
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多层古建抬梁式木结构振动台试验研究
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《世界地震工程》[ISSN:/CN:]

卷:
33
期数:
2017年03期
页码:
061-66
栏目:
出版日期:
2017-09-23

文章信息/Info

Title:
Study on the shaking table test of ancient multi-storey post-and-lintel timber structure
作者:
张辰啸12 戴君武1 杨永强1
1. 中国地震局工程力学研究所 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080;
2. 安徽工业大学 建筑工程学院, 安徽 马鞍山 243002
Author(s):
ZHANG Chenxiao12 DAI Junwu1 YANG Yongqiang1
1. Institute of Engineering Mechanics, China Earthquake Administration; Key Laboratory of Earthquake Engineering and Engineering Vibration of China Earthquake Administration, Harbin 150080, China;
2. School of Civil Engineering and Architecture, Anhui University of Technology, Maanshan 243002, China
关键词:
木结构雨花阁振动台试验非结构构件抗震性能
Keywords:
timber structurepavilion of rainshaking table testnon-structure componentsseismic performance
分类号:
TU393.3
摘要:
以故宫博物院雨花阁为例,通过振动台试验获得了其在不同强度地震作用下的结构动力响应和震害现象。基于震害与试验数据分析结果指出:试验模型主体结构在强地震作用下无明显震害,但楼层动力放大效应明显,塔顶出现鞭梢效应,底层相对位移较大,位移敏感型和加速度敏感型非结构构件文物均存在地震安全隐患。随着地震动输入的增加,榫卯节点的材料塑性损伤和松动效应增加,结构连接刚度减弱,榫卯的耗能能力增强。这引起基频的逐渐降低和等效阻尼比的增加,等效阻尼比的增加减小了结构的动力反应,提高了木结构的抗震性能。
Abstract:
Taking the Yuhua Pavilion in the Palace Museum as the example in this paper, its structural dynamic response and seismic damage under different intensive seismic action are obtained by the shaking table test. The results from seismic damage and analysis of test data indicate that no obvious damage is observed in the major structure of the test model. However, the dynamic amplification effect of floors is obvious and the whipping effect of the tower top appears. Furthermore, the relative displacement of the first floor is so larger that the non-structural components sensitive to displacement and acceleration exists security risk. With the increase of seismic intensity, the effect of material plastic damage and loose of the tenon and mortise joints is increased. Then the stiffness of structural connection decreases and the energy dissipation capacity of the tenon and mortise joints increases. Thus, the structural fundamental frequency decreases and the structural equivalent damping ratio increases. The increase of the structural equivalent damping ratio reduces the timber structural dynamic response and improves its seismic performance.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-03-28;改回日期:2016-06-18。
基金项目:国家自然科学基金青年项目(51308516);地震行业科研专项项目(201508023)
作者简介:张辰啸(1989-),男,博士,从事地震工程研究.E-mail:chenxiaozhang1989@126.com
更新日期/Last Update: 1900-01-01