Flexural behavior of RC beams with regular square or circular web openings

被引：54

作者：

Aykac, Bengi ^{[1
]}

Kalkan, Ilker ^{[2
]}

Aykac, Sabahattin ^{[1
]}

Egriboz, Yusuf Emre ^{[3
]}

机构：

[1] Gazi Univ, Dept Civil Engn, Fac Engn, TR-06570 Ankara, Turkey

[2] Kirikkale Univ, Fac Engn, Dept Civil Engn, TR-71450 Kirikkale, Turkey

[3] ERS Construct Co, Kiev, Ukraine

来源：

ENGINEERING STRUCTURES | 2013年 / 56卷

关键词：

Web opening; Web reinforcement; Diagonal reinforcement; Reinforced concrete beam with openings; Vierendeel truss; REINFORCED-CONCRETE BEAMS; DEEP BEAMS; STRENGTH; DESIGN; TESTS;

D O I：

10.1016/j.engstruct.2013.08.043

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents a study aimed at investigating the influence of multiple web openings along the length of an RC beam on its flexural behavior. A total of nine rectangular beams were tested. Diagonal reinforcement around openings effectively prevented premature failure of some specimens due to Vierendeel action, the expected failure mode according to bending moment-axial force interaction diagrams. Longitudinal rebars and full-depth stirrups adjacent to openings and short stirrups in the chords prevented beam-type and frame-type shear failures. The length of the plastic failure mechanism increased in the presence of multiple openings compared to beams with a single opening. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：2165 / 2174

页数：10

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