华南理工大学学报(自然科学版) ›› 2008, Vol. 36 ›› Issue (1): 117-121,127.

• 土木建筑工程 • 上一篇    下一篇

钢纤维增强钢丝网混凝土T形梁的抗弯试验研究

朱江1 赵国藩1 李士恩2 李丽娟2 郭永昌3   

  1. 1.大连理工大学 海岸和近海工程国家重点实验室, 辽宁 大连 116024; 2. 广东工业大学 建设学院, 广东 广州 510006; 3. 华南理工大学 交通学院, 广东 广州 510640
  • 收稿日期:2006-11-23 出版日期:2008-01-25 发布日期:2008-01-25
  • 通信作者: 朱江(1965-),女,在职博士生,广东工业大学副教授,主要从事混凝土结构方面的研究. E-mail:zhujiang10@21cn.com.
  • 作者简介:朱江(1965-),女,在职博士生,广东工业大学副教授,主要从事混凝土结构方面的研究.
  • 基金资助:

    广东省建设厅基金资助项目(200391)

Experimental Investigation into Flexural Behavior of Steel Fiber-Reinforced Ferroconcrete T-Shape Beam

Zhu Jiang1  Zhao Guo-fan1  Li Shi-en2  Li Li-juan2  Guo Yong-chang3   

  1. 1. State Key Laboratou of Coastal and 0ffshore Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China; 2. Faculty of Construction, Guangdong University of Technology., Guangzhou 510006, Guangdong, China; 3. School of Traffic and Communications, South China University of Technology, Guangzhou 510640, Guangdong, China
  • Received:2006-11-23 Online:2008-01-25 Published:2008-01-25
  • Contact: 朱江(1965-),女,在职博士生,广东工业大学副教授,主要从事混凝土结构方面的研究. E-mail:zhujiang10@21cn.com.
  • About author:朱江(1965-),女,在职博士生,广东工业大学副教授,主要从事混凝土结构方面的研究.
  • Supported by:

    广东省建设厅基金资助项目(200391)

摘要: 钢纤维增强钢丝网混凝土(FC)是一种新型的高强复合材料.为了解FC受弯构件的抗夸洼能,文中进行了12根复合材料T形梁的抗弯试验,对构件的开裂及发展情况以及正截面抗弯承载力进行了对比分析.在此基础上,给出了T形梁正截面承载力的计算公式,并对影响Fc受弯构件抗弯承载力的因素进行了分析.试验结果表明,钢纤维与钢丝网的复合能起到显著的增强效果,有效地提高钢筋混凝土受弯构件的抗裂性能和抗弯承载力.

关键词: 钢纤维, 钢丝网, 混凝土, 抗弯性能, T形梁

Abstract:

Steel fiber-reinforced ferroconcrete (FC) is a new type of high-strength composite material. In order to reveal the flexural behaviors of FC bending members, twelve T-shape beams reinforced by FC were used to test the flexural behaviors, and the beam crack and its development as well as the bending capacity were analyzed. Then, according to the experimental data, a formula was proposed to calculate the bending capacity of the T-shape beams. Moreover, the parameters affecting the flexural behaviors of FC bending members were analyzed. Tested results show that the combination of steel fiber and steel wire mesh greatly improves the bending performance and crack resistance of reinforced concrete beams.

Key words: steel fiber, steel wire mesh, concrete, bending behavior, T-shape beam