| 无腹筋板的冲切尺寸效应 |
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| 引用本文： | 任达,焦楚杰,陈原. 无腹筋板的冲切尺寸效应[J]. 广州大学学报(自然科学版), 2011, 10(4): 46-49 |
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| 作者姓名： | 任达 焦楚杰 陈原 |
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| 作者单位： | 广州大学土木工程学院,广东广州,510006 |
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| 基金项目： | 国家自然科学基金项目(50708022); 建设部科研开发项目(10-K3-27、10-K4-18); 广州市属高校“羊城学者”科研项目(10A043G)资助 |
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| 摘 要： | 根据所掌握的413个国内外受冲切混凝土板式构件资料（含基础板），基于一种新的多样本组多参量评估方法和改进的变异系数，就国际上衡量双向板厚度变化对冲切承栽力影响的几种主要规范观点进行了介绍并作了评价．分析表明，现行规范中，以EC2建议的线性形式描述冲切抗力随有效板厚的变化规律较之其它形式离散程度更小，值得我国今后修订规范...
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| 关 键 词： | 混凝土板 冲切 尺寸 效应 板厚 |
Size effect on punching resistance of slabs without shear reinforcement |
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| REN Da,,JIAO Chu-jie,CHEN Yuan. Size effect on punching resistance of slabs without shear reinforcement[J]. Journal og Guangzhou University:Natural Science Edition, 2011, 10(4): 46-49 |
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| Authors: | REN Da JIAO Chu-jie CHEN Yuan |
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| Affiliation: | REN Da1,2,JIAO Chu-jie1,CHEN Yuan1(1.School of Civil Engineering,Guangzhou University,Guangzhou 510006,China,2.College of Civil Engineering and Architecture,Central South University,Changsha 410075,China) |
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| Abstract: | Several viewpoints of major codes on the measurement of size effect on punching shear capacity were reviewed by using a new evaluation method proposed earlier and a modified coefficient of variation,based on a total of 413 slabs collected.The results show that linear function suggested by EC2 is preferable to other forms in reflecting the influence of slab depth on its punching resistance,and thus provides a worthy reference for our code revision. |
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| Keywords: | concrete slabs punching size effect slab depth |
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