Experimental and theoretical investigation on the shear of steel fibre reinforced concrete beams

被引：152
|
作者：
Lim, DH
Oh, BH
机构：
[1] Dongseo Univ, Dept Civil Engn, Sasang Ku, Pusan 617716, South Korea
[2] Seoul Natl Univ, Dept Civil Engn, Kwanak Ku, Seoul 151742, South Korea
来源：
ENGINEERING STRUCTURES | 1999年 / 21卷 / 10期
关键词：
steel fibre reinforced concrete; cracking ultimate shear strength; ductility; crack control;
D O I：
10.1016/S0141-0296(98)00049-2
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A total of nine beams have been tested to investigate the influence of fibre reinforcement on the mechanical behaviour of reinforced concrete beams in shear. The major test variables are the volume fraction of steel fibres and the ratios of stirrups to the required shear reinforcement. The test results show that the first crack shear strength increases significantly as fibre content increases and the improvement in ultimate shear strength is also achieved. The present study indicates that fibre reinforcement can reduce the amount of shear stirrups required and that the combination of fibres and stirrups may meet strength and ductility requirements. An analytical method to predict the shear strength of reinforced concrete beams containing steel fibres is proposed and comparisons made with the present test data as well as other data. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：937 / 944
页数：8
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