[1]于 婧,刘小军,赵玉慧.带施工缝RC 框架结构抗震性能分析及设计建议[J].西安建筑科技大学学报:自然科学版,2015,47(03):364-370.[doi:10.15986/j.1006-7930.2015.03.010]
　YU Jing,LIU Xiaojun,ZHAO Yuhui.Seismic behavior analysis and design suggestion of RC frame with construction joint[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(03):364-370.[doi:10.15986/j.1006-7930.2015.03.010]
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带施工缝RC 框架结构抗震性能分析及设计建议()
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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:
47
期数:
2015年03期
页码:
364-370
栏目:
出版日期:
2015-06-30

文章信息/Info

Title:
Seismic behavior analysis and design suggestion of RC frame with construction joint
文章编号:
1006-7930(2015)03-0364-07
作者:
于 婧1; 刘小军1; 赵玉慧2
(1. 西安建筑科技大学土木工程学院,陕西 西安 710055; 2. 西安长庆科技工程有限责任公司,陕西 西安 710018)
Author(s):
YU Jing 1;  LIU Xiaojun 1;  ZHAO Yuhui 2
(1. School of Civil Engineering, Xian University of Architecture & Technology, Xian 710055, China; 2. Xian Changqing Technology Engineering Co. Ltd, Xi an 710018, China)
关键词:
施工缝; RC 框架结构; 抗震性能; 设计建议; 数值分析
Keywords:
construction joint;  RC frame;  seismic behavior;  design suggestion;  numerical analysis
分类号:
TU375
DOI:
10.15986/j.1006-7930.2015.03.010
文献标志码:
A
摘要:
为研究带缝RC 框架结构的抗震性能，以抗震设防烈度8 度区(加速度0.2g)为例，利用OpenSees 程序对三种不同高宽比RC 框架结构分别 建立整浇模型和带缝模型进行了非线性动力反应分析．结果表明，施工缝对框架结构抗震性能的影响与结构或构件进入非线性的程度有关．小震下，结构处于弹性受力状态，施工缝的影响可忽略；中震和大震下，结构进入非线性，施工缝的影响开始凸显，主要表现在使结构的顶点位移增大、层间位移角增大、层间位移角位移分布形式发生改变、关键构件的局部反应加重等．而且，结构进入非线性的程度越深，施工缝的影响作用越明显．有必要从抗震设计角度考虑施工缝的影响．基于现有的两阶段设计方法，从概念设计和计算分析两方面提出抗震设计建议．
Abstract:
Three different height-width ratio RC frame structures located in intensity region 8 (0.2g) were designed and analyzed using monolithic model and joint model by OpenSees program. The results show that the degree of influence of joint on seismic performance of frame structure and the structure of component into the nonlinear construction related. Under small earthquakes, the structure is in elastic state, and the influence of construction joints can be neglected. In the moderate and strong earthquakes, the structure is in a nonlinear stress state. Influence of construction joints began to highlight, and are mainly shown in the increase of top displacement structure, of inter story displacement angle and the changes of the interlayer displacement angle displacement distribution of bottom displacement form aggravation of and the key components local reactions aggravate. It is necessary to consider the influence of construction joints from the seismic design. Based on the existing two stage design method, seismic design recommendations were proposed from concept design and calculation method.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2015-01-20   修改稿日期：2015-06-16
基金项目：国家自然科学基金资助项目（51208407）；西安建筑科技大学人才科技基金项目（RC1233）
作者简介：于婧（1982-），女，博士，讲师，主要从事混凝土结构抗震方向的研究. Email: yujing1506@163.com
更新日期/Last Update: 2015-09-01