钢筋混凝土框架梁柱偏心节点的抗裂度计算

王静峰; 孙捷; 柳炳康

doi:10.13204/j.gyjz200401012

钢筋混凝土框架梁柱偏心节点的抗裂度计算

doi: 10.13204/j.gyjz200401012

1.
1. 同济大学建筑工程系上海 200092;
2.
2. 安徽建筑工业学院土木工程系合肥 230022;
3.
3. 合肥工业大学建筑工程系合肥 230009

基金项目:

安徽省自然科学基金资助项目(01044502)

详细信息

作者简介:
王静峰男 1976年9月出生博士生

中图分类号: TU37
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出版历程
- 收稿日期: 2003-02-21
- 刊出日期: 2004-01-20

CALCULATION OF CRACK RESISTANCE CAPACITY OF ECCENTRIC BEAM-COLUMN CONNECTIONS IN REINFORCED CONCRETE FRAMES

1.
1. Department of Civil Engineering,Tongji University Shanghai 200092;
2.
2. Department of Civil Engineering,Anhui Institute of Architecture &Industry Hefei 230022;
3.
3. Department of Civil Engineering,Hefei University of Technology Hefei 230009

摘要

摘要: 钢筋混凝土框架偏心节点核芯区受力复杂，在地震区和一些特殊环境下，出现裂缝后修复较困难，采用梁端水平加腋可以节约空间利用，有效提高节点核芯区的强度和延性，延缓裂缝的出现和发展。现以节点偏心距和梁端水平加腋宽度为变化参数，从抗裂度角度来研究偏心节点的抗裂性能，提出实用的抗裂度计算公式，并与试验结果进行对比，吻合较好。
- 梁柱偏心节点 /
- 加腋宽度 /
- 有效截面宽度 /
- 抗裂度计算
Abstract: In the eccentric joint core area of a reinforced concrete frame, the forces are complicated.In seismic area or under some exceptional conditions, eccentric joints are difficult to repair when cracks occur.Adopting spread-ended beam, it can save space, efficiently improve strength and ductility in the eccentric joint core area, and postpone the appearance and development of crack.In this paper, the major study parameters in eccentric joints are eccentricity and spread-ended beam width.Cracking resistance of eccentric beam-column joints are studied from cracking resistance capacity.The applied equation for computing crack resistance capacity is proposed.Compared with the test results, the calculated results are in good agreement with them.
- eccentric beam-column joints /
- spread-ended beam width /
- effective section width /
- calculation of crack

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参考文献(6)

柳炳康, 黄慎江, 周安, 等.钢筋混凝土框架梁柱偏心节点抗震性能的试验研究.建筑结构学报, 1999(10):50～58

[2] Cheng-cheng Chen, Gwang-Kai chen.Cyclic Behavior of Reinforced Concrete Eccentric Beam-Column Corner Joints Connecting Spread-Ended Beams.ACI Structural Journal, 1999, 96(3):443～449

[3] 孙捷.不同加腋宽度下钢筋混凝土偏心节点抗震性能.合肥工业大学学报(自然科学版), 2001(5):935～939

[4] 唐九如.钢筋混凝土框架节点抗震.南京:东南大学出版社, 1989

[5] 赵鸿铁.钢筋混凝土梁柱节点的抗裂性.建筑结构学报, 1990(12):38～48

[6] 王静峰.钢筋混凝土框架梁柱偏心节点抗裂性能的试验研究:[硕士学位论文].合肥:合肥工业大学, 2002

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