The diagonal tension behavior of fiber reinforced concrete beams

被引：30
|
作者：
Juarez, Cesar [1 ]
Valdez, Pedro [1 ]
Duran, Alejandro [1 ]
Sobolev, Konstantin [1 ]
机构：
[1] Univ Autonoma Nuevo Leon, Fac Civil Engn, Acad Grp Concrete Technol, Monterrey, Mexico
来源：
CEMENT & CONCRETE COMPOSITES | 2007年 / 29卷 / 05期
关键词：
concrete; reinforcement; fibers; diagonal tension; shear; strain; stress; beam;
D O I：
10.1016/j.cemconcomp.2006.12.009
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This research studied the diagonal tension behavior of 16 beams reinforced with longitudinal bars and steel fibers. The variable parameters included the concrete compressive strength and the percentage of fibers (0%, 0.5%, 1.0% and 1.5% by volume). The beams were tested under static loads resulting in high diagonal tension stresses. The shear reinforcement was composed of stirrups instrumented with strain gages to detect the effect of the fibers on the strains. Research results indicate that as the fiber volume increases, the shear strength and the ductility of the beams increased, providing significantly higher shear strength than specified by the ACI-318 Code. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：402 / 408
页数：7
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