[1]王 博,白国良,王超群,等.穿斗木结构房屋地震响应分析与构造技术研究[J].西安建筑科技大学学报:自然科学版,2014,(04):536-541.[doi:10.15986/j.1006-7930.2014.04.014]
 WANG Bo,BAI Guoliang,WANG Chaoqun,et al.Study on the seismic response and construction measure of the chuan dou wooden structure[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2014,(04):536-541.[doi:10.15986/j.1006-7930.2014.04.014]
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穿斗木结构房屋地震响应分析与构造技术研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2014年04期
页码:
536-541
栏目:
出版日期:
2014-08-31

文章信息/Info

Title:
Study on the seismic response and construction measure of the chuan dou wooden structure
文章编号:
1006-7930(2014)04-0536-06
作者:
王 博白国良王超群陈磊杰
(西安建筑科技大学土木工程学院,陕西 西安 710055)
Author(s):
WANG Bo BAI Guoliang WANG Chaoqun CHEN Leijie
(School of Civil Engineering, Xi’an University of Architecture &Technology, Xi’an 710055 ,China)
关键词:
穿斗木结构动力特性地震反应构造措施有限元分析
Keywords:
Chuan dou wooden structuresdynamic characteristicsseismic responseconstruction measures finite element analysis
分类号:
TU366.2
DOI:
10.15986/j.1006-7930.2014.04.014
文献标志码:
A
摘要:
穿斗木结构是我国西南农村地区较常见的房屋结构类型.以一种典型穿斗木结构房屋为研究对象,采用ANSYS有限 元软件建立结构整体模型,分析其静力反应、动力特性以及不同强度地震下的响应特性.研究结果表明:该类结构平动第二周期与扭转第一周期较为接近,有可能发生平扭耦联现象;不同强度地震下,加速度响应均在柱底最大,越往上越小,而位移响应均在柱顶最大,越往下越小;结构中的榫卯属于抗震有利部件,能够吸收和耗散地震能量,使结构顶部加速度响应较小,但由于节点的半刚性特点及纵向刚度较小,使结构整体性较差,造成顶部位移响应较大;基于有限元分析结论与实际施工特点,提出在中柱间设置剪刀撑,在梁下设置枋,加强檩条、柱、梁之间的连接,加强围护墙体与构件的连接等措施来提高穿斗木结构房屋的抗震性能.
Abstract:
Chuan dou wooden structures are common residential buildings in China southwestern rural areas. This paper takes a representative Chuan dou wooden building as the object of study, and establishes a finite element model with ANSYS to analyze the static response and seismic response under different earthquake intensities. The results show that the second translation period is almost the same as the first torsion period, so the structure may present a translation-torsion coupling phenomenon. Under different intensities earthquakes, acceleration response is severest at the bottom of columns and lightest on the top, while the displacement response is severest on the top of the column and lightest at the bottom. The tenon-mortise, which is advantage of fighting against the earthquake, could absorb and dissipate earthquake energy, so the acceleration response at the top of the structure is relative lighter, but the displacement response at the top of the structure is relative severer and the integrity of structure is poor because of the Semi-rigid joints and weak longitudinal stiffness. Based on the finite element analysis results and actual construction characteristics, some measures are put forward to improve the seismic performance of structures, such as setting diagonal bridging in the column, setting girder under the beam, strengthening the connection of joint, and strengthening the connection of wall and components.

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备注/Memo

备注/Memo:
基金项目:国家科技支撑计划合作单位项目(2012BAJ19B04-02; 2011BAJ08B05-4;2011BAJ04B01-02)
收稿日期:2013-03-18 修改稿日期:2013-03-18
作者简介:王 博(1985-),男,博士生,主要从事工程结构抗震方面的研究. E-mail:chnwangbo@163.com
更新日期/Last Update: 2015-10-06