| 钢筋混凝土偏心受压短柱尺寸效应研究 |
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| 引用本文： | 冯帆,赵均,卢爱贞,杜修力.钢筋混凝土偏心受压短柱尺寸效应研究[J].防灾科技学院学报,2011,13(2):13-17. |
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| 作者姓名： | 冯帆 赵均 卢爱贞 杜修力 |
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| 作者单位： | 北京工业大学建筑工程学院 城市与工程安全减灾省部共建教育部重点实验室,北京,100124 |
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| 基金项目： | 国家自然科学基金(90510011) |
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| 摘 要： | 现行钢筋混凝土结构设计方法是基于小尺寸构件的试验研究建立起来的,大尺寸构件的设计的科学性和合理性有待进一步研究.本文制作2组4根钢筋混凝土偏心受压短柱,偏心距为0.6h0,试件的截面几何尺寸分别为200 mm×200 mm、400 mm × 400 mm.研究相同偏心距下,不同尺寸的钢筋混凝土偏心受压短柱的破坏特征,极...
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| 关 键 词： | 尺寸效应 钢筋混凝土短柱 偏心受压 大尺寸 |
The experimental study on size effect of reinforced concrete column under eccentric loading |
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| Feng Fan,Zhao Jun,Lu Aizhen,Du Xiuli.The experimental study on size effect of reinforced concrete column under eccentric loading[J].Journal of Institute of Disaster-prevention Science and Technology,2011,13(2):13-17. |
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| Authors: | Feng Fan Zhao Jun Lu Aizhen Du Xiuli |
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| Institution: | Feng Fan,Zhao Jun,Lu Aizhen,Du Xiuli (Key Lab of Urban Security and Disaster Engineering,MOE,College of Architecture and Civil Engineering,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | Existing reinforced concrete structural design method is based on the experimental study of small size components.The design of large-size components of science and rationality needs further study.This paper produced 4 columns of 2 groups reinforced concrete,eccentricity is 0.6h0,cross-sectional geometry of the specimen is 200 mm×200 mm,400 mm×400 mm.This paper studies damage characteristics,ultimate strength and sectional strain properties of reinforced concrete columns under eccentric loading in the same eccentricity and different sizes.Study found that the bearing capacity of large-size specimens decreased,large-size section of specimen strain distribution is lower than the small-size of the extent consistent with the plane section assumption.Size effect of the specimen curvature is also observed. |
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| Keywords: | size effect reinforced concrete column eccentric loading large-size |
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