[1]周乾,杨娜,淳庆.故宫太和殿二层斗拱水平抗震性能试验[J].东南大学学报(自然科学版),2017,47(1):150-158.[doi:10.3969/j.issn.1001-0505.2017.01.026]
 Zhou Qian,Yang Na,Chun Qing.Experiments on seismic performance of bracket sets of second eave of Taihe Palace in the Forbidden City[J].Journal of Southeast University (Natural Science Edition),2017,47(1):150-158.[doi:10.3969/j.issn.1001-0505.2017.01.026]
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故宫太和殿二层斗拱水平抗震性能试验()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
47
期数:
2017年第1期
页码:
150-158
栏目:
土木工程
出版日期:
2017-01-18

文章信息/Info

Title:
Experiments on seismic performance of bracket sets of second eave of Taihe Palace in the Forbidden City
作者:
周乾12杨娜1淳庆3
1北京交通大学土木建筑工程学院, 北京100044; 2故宫博物院, 北京100009; 3东南大学城市与建筑遗产保护教育部重点实验室, 南京 211189
Author(s):
Zhou Qian12 Yang Na1 Chun Qing3
1School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
2Palace Museum, Beijing 100009, China
3Key Laboratory of Urban and Architectural Heritage Conservation of Ministry of Education, Southeast University, Nanjing 211189, China
关键词:
太和殿 二层斗拱 地震 古建筑
Keywords:
Taihe Palace bracket sets of the second eave earthquake ancient building
分类号:
TU366.2
DOI:
10.3969/j.issn.1001-0505.2017.01.026
摘要:
为更好地保护木构古建筑,对故宫太和殿二层斗拱开展了水平低周反复加载试验.制作了斗拱的1〓∶2缩尺比例模型,分别对其进行横向及纵向加载,研究其抗震参数.结果表明:相对于纵向加载,斗拱沿横向加载时更容易产生构件破坏.各斗拱极限承载力由大到小的顺序为:柱头科横向加载、平身科横向加载、角科加载、平身科纵向加载、柱头科纵向加载;延性系数由大到小的顺序为:柱头科纵向加载、平身科纵向加载、柱头科横向加载、角科加载、平身科横向加载;耗能能力由大到小的顺序为:角科加载、柱头科横向加载、平身科纵向加载、柱头科纵向加载、平身科横向加载;刚度退化程度由重至轻的顺序为:平身科横向加载、柱头科横向加载、角科加载、平身科纵向加载、柱头科纵向加载.太和殿二层斗拱的水平刚度模型可简化为三折线段形式.
Abstract:
To effectively protect Chinese ancient buildings, the low cyclic reversed loading tests of the bracket sets of the second eave of Taihe Palace in the Forbidden City were developed. The 1∶2 scaled models of the bracket sets were built. The transverse and longitudinal loadings were carried out to study the seismic parameters of the bracket sets. The results show that, compared to longitudinal loading, the bracket sets are more easily to be damaged under the transverse loading. For different types of the bracket sets, the descending order of the ultimate bearing capacity is the column set with transverse loading, the intermediate set with transverse loading, the corner set with loading, the intermediate set with longitudinal loading, the column set with longitudinal loading. The descending order of the ductility is the column set with longitudinal loading, the intermediate set with longitudinal loading, the column set with transverse loading, the corner set with loading, the intermediate set with transverse loading. The descending order of the energy dissipation capability is the corner set with loading, the column set with transverse loading, the intermediate set with longitudinal loading, the column set with longitudinal loading, the intermediate set with transverse loading. The descending order of the degradation degree of the level stiffness is the intermediate set with transverse loading, the column set with transverse loading, the corner set with loading, the intermediate set with longitudinal loading, the column set with longitudinal loading. The calculation model of the level stiffness of the bracket sets of the second eave of Taihe Palace can be simplified as 3-part polygonal lines.

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备注/Memo

备注/Memo:
收稿日期: 2016-07-05.
作者简介: 周乾(1975—),男,博士,研究员,qianzhou627@126.com.
基金项目: 国家自然科学基金优秀青年基金资助项目(51422801)、国家自然科学基金资助项目(51178028)、北京市自然科学基金重点资助项目(8151003)、东南大学城市与建筑遗产保护教育部重点实验室开放课题资助项目(KUAL1605A).
引用本文: 周乾,杨娜,淳庆.故宫太和殿二层斗拱水平抗震性能试验[J].东南大学学报(自然科学版),2017,47(1):150-158. DOI:10.3969/j.issn.1001-0505.2017.01.026.
更新日期/Last Update: 2017-01-20