[1]戴必辉,陶忠,徐国林,等.云南漾濞MS6.4级地震震中区农房震害调查[J].世界地震工程,2021,(03):009-18.
 DAI Bihui,TAO Zhong,XU Guolin,et al.Investigation of seismic damage to rural houses in the epicenter area of Yangbi MS 6.4 earthquake in Yunnan[J].,2021,(03):009-18.
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云南漾濞MS6.4级地震震中区农房震害调查
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2021年03期
页码:
009-18
栏目:
出版日期:
2021-07-31

文章信息/Info

Title:
Investigation of seismic damage to rural houses in the epicenter area of Yangbi MS 6.4 earthquake in Yunnan
作者:
戴必辉12 陶忠2 徐国林1 李何潇2 吴磊2
1. 西南林业大学 土木工程学院, 昆明 650224;
2. 昆明理工大学, 建筑工程学院, 昆明 650500
Author(s):
DAI Bihui12 TAO Zhong2 XU Guolin1 LI Hexiao2 WU Lei2
1. Faculty of Cicil Engineering, Southwest Forestry University, Kunming 650224, China;
2. Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunning 650500, China
关键词:
漾濞MS6.4地震农房震害
Keywords:
Yangbi MS 6.4 earthquakerural housesseismic damage
分类号:
TU366
摘要:
2021年5月21日云南省漾濞县发生密集强烈地震,震中区大量农房受损。本文先是根据部分台站强震动观测记录对地震动特性进行分析;然后归纳了震中8度区内各种结构类型农房的建筑结构特点;最后在对各类房屋震害现象进行实地踏勘的基础上,分析房屋的震害特征及震害原因。结果表明:当地大量采用的"三间四榀"传统木结构土墙围护住宅墙体破坏严重,经农危改加固的房屋木结构体系基本完整,未加固房屋的木构架有歪斜和节点拔榫现象;生产用房中单层砖木结构房屋震损较轻,土木结构房屋墙体严重破坏,局部坍塌,井干式房屋多数倾斜或扭转变形。
Abstract:
A large number of rural houses in the epicenter area were damaged when a dense and strong earthquake occurred in Yangbi County, Yunnan Province on May 21, 2021. In this paper, the ground motion characteristics are analyzed according to the strong motion observation records of some stations, and then the structural and architectural characteristics of various types of rural houses in the epicenter areas (VIII degree) are summarized. Finally, on the basis of field surveys of the seismic damage phenomena of all kinds of houses, the characteristics and causes of earthquake damage of the rural houses were analyzed. The results show that the enclosing earth wall used in the "three rooms and four frames" traditional timber structural houses that are widely used locally, are seriously damaged. The timber structure systems of the renovated rural dilapidated residences are basically complete, and the wooden frames of the unreinforced houses have the phenomenon of skew and tenon pulling out of joints. In the production houses, the seismic damage of the single-story brick-wood structures are relatively light, the earth wall of the earth-wood structures are seriously damaged or even partially collapsed, and most of the log structures are inclined or torsional deformation.

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相似文献/References:

[1]任晓崧,邓晖.农房建设的防震减灾思路初探[J].世界地震工程,2014,(03):150.
 REN Xiaosong,DENG hui.An approach to seismic disaster prevention and reduction for rural housing construction[J].,2014,(03):150.

备注/Memo

备注/Memo:
收稿日期:2021-06-06;改回日期:2021-06-17。
基金项目:国家自然科学基金项目(51168025,51768065);云南省教育厅科学研究基金项目(2019J0194)
作者简介:戴必辉(1985-),男,博士研究生,主要从事传统木结构抗震方面研究.E-mail:dbh17951@swfu.edu.cn
通讯作者:徐国林(1977-),男,教授,博士,主要从事工程抗震方面研究.E-mail:guolin.xu@swfu.edu.cn
更新日期/Last Update: 1900-01-01