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[1]刘胜兵,徐礼华. 混杂纤维高性能混凝土深梁受剪性能试验 [J].武汉工程大学学报,2013,(01):1-6.[doi:6742869(2013)01000106]
　LIU Sheng bing,XU Li hua.Experimental study on shear behavior of hybrid fiber reinforcedhigh performance concrete deep beams[J].Journal of Wuhan Institute of Technology,2013,(01):1-6.[doi:6742869(2013)01000106]
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混杂纤维高性能混凝土深梁受剪性能试验
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年01期
页码:
1-6
栏目:
资源与土木工程
出版日期:
2013-01-31

文章信息/Info

Title:
Experimental study on shear behavior of hybrid fiber reinforced
high performance concrete deep beams
文章编号:
103969/jissn16742869201301001
作者:
刘胜兵1; 徐礼华2
1.武汉工程大学环境与城市建设学院，湖北 武汉430074；2.武汉大学土木建筑工程学院，湖北 武汉430072
Author(s):
LIU Shengbing1; XU Lihua2
1. School of Environment and Civil Engineering,Wuhan Institute of Technology, Wuhan 430074，China；2. School of Civil Engineering, Wuhan University, Wuhan 430072，China
关键词:
混杂纤维; 受剪破坏; 剪切延性; 剪切初裂强度; 抗剪极限强度
Keywords:
hybrid fiber;  shear failure;  shear ductility;  diagonal cracking strength;  shear strength
分类号:
TU375
DOI:
6742869(2013)01000106
文献标志码:
A
摘要:
对18组钢-聚丙烯混杂纤维高性能混凝土深梁试件和2组高性能混凝土深梁对比试件进行受剪试验，分析混杂纤维高性能混凝土深梁受剪破坏过程及破坏形态，探讨混杂纤维对高性能混凝土深梁剪切初裂强度及抗剪极限强度的影响.结果表明：掺入适量的钢-聚丙烯混杂纤维，可使深梁水平及竖向分布钢筋应变明显减小，剪切延性得到提高.掺入混杂纤维后，无腹筋深梁剪切初裂强度平均提高20.3%，抗剪极限强度平均提高17.2%；有腹筋深梁剪切初裂强度平均提高70.1%，抗剪极限强度平均提高33.9%.
Abstract:
Shear behavior was studied on 18 different groups of deep beams with steel fiber and polypropylene fiber and 2 groups contrastive HPC deep beams based on experiment. The process and the mode of shear failure of hybrid fiber reinforced high performance concrete deep beams were analyzed. The effects of hybrid fiber on the diagonal cracking strength and the shear strength of HPC deep beams were explored. The results show that hybrid fiber can be used to reduce the strain of web horizontal reinforcement and web vertical reinforcement and increase shear ductility of deep beams. The average diagonal cracking strength is increased by 20.3% and the average shear strength is increased by 17.2 % when HPC deep beams without web reinforcement are mixed into hybrid fiber. The average diagonal cracking strength is increased by 70.1% and the average shear strength is increased by 33.9 % after hybrid fiber added into HPC deep beams with web reinforcement.

参考文献/References:

［1］冯乃谦. 高性能混凝土\[M\]. 北京: 中国建筑工业出版社, 1996.

［2］徐礼华，夏冬桃，夏广政，等.钢纤维和聚丙烯纤维对高强混凝土强度的影响\[J\].武汉理工大学学报:自然科学版,2007，29 (4):129:5860.
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［7］Kksal Fuat,Gencel Osman,Unal Burhan, et al. Durability properties of concrete reinforced with steelpolypropylene hybrid fibers \[J\]. Science and Engineering of Composite Materials, 2012, 19(1):1927.
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［11］刘胜兵，徐礼华，周健民.混杂纤维高性能混凝土强度的正交试验\[J\].武汉理工大学学报:自然科学版, 2009, 31(8):59.

相似文献/References:

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　LIU Sheng bing,XU Li hua.Effect of hybrid fiber on tensioncompression ratio of high performance concrete[J].Journal of Wuhan Institute of Technology,2012,(01):17.[doi:103969/jissn16742869201209005]
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[4]姜允庆,刘宏伟,李　亮,等.桥梁伸缩装置锚固区混杂纤维混凝土力学性能及抗冻性试验研究[J].武汉工程大学学报,2019,(04):380.[doi:10. 3969/j. issn. 1674?2869. 2019. 04. 015]
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备注/Memo

备注/Memo:
收稿日期：20121111基金项目：湖北省教育厅青年科学基金(B200514003)；武汉工程大学科学研究基金(13105021)作者简介：刘胜兵（1976），男，湖北天门人，讲师，博士.研究方向:纤维混凝土结构.
更新日期/Last Update: 2013-04-09