Mixed-mode crack propagation through reinforced concrete

被引：41
|
作者：
Carmona, Jacinto R. [1 ]
Ruiz, Gonzalo [1 ]
del Viso, Javier R. [1 ]
机构：
[1] Univ Castilla La Mancha, ETS Ingn Caminos Canales & Puertos, E-13071 Ciudad Real, Spain
来源：
ENGINEERING FRACTURE MECHANICS | 2007年 / 74卷 / 17期
关键词：
fracture of reinforced concrete; mixed mode fracture; diagonal tension failure; size effect; experimental program;
D O I：
10.1016/j.engfracmech.2007.01.004
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper presents the results of a very recent experimental research program aimed at investigating mixed-mode fracture of reinforced concrete. The tests were designed so that only one single mixed-mode crack generates and propagates through the specimen, as opposed to the usual dense crack pattern found in most of the tests in scientific literature. The specimens were three-point-bend beams of three different sizes. They were notched asymmetrically and reinforced with various ratios of longitudinal and inclined reinforcement. These experiments may help to understand the mechanisms of crack initiation and propagation through reinforcing bars under mixed-mode load conditions. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2788 / 2809
页数：22
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