Shear behaviour of reinforced concrete beams with small web openings

被引：17

作者：

Jabbar, Dhiaa Neama ^{[1
]}

Al-Rifaie, Ali ^{[2
]}

Hussein, Ahmed Mahdi ^{[1
]}

Shubbar, Ali A. ^{[3
,4
]}

Nasr, Mohammed Salah ^{[1
]}

Al-Khafaji, Zainab S. ^{[5
,6
]}

机构：

[1] Al Furat Al Awsat Tech Univ ATU, Tech Inst Babylon, Babylon, Iraq

[2] Al Muthanna Univ, Coll Engn, Samawah 66001, Iraq

[3] Islamic Univ, Coll Tech Engn, Dept Bldg & Construct Tech Engn, Najaf 54001, Iraq

[4] Liverpool John Moores Univ, Dept Civil Engn, Liverpool, Merseyside, England

[5] Minist Oil, Al Furrat Al Awsat Distribut Fdn, Babylon, Iraq

[6] Al Mustaqbal Univ Coll, Dept Civil Engn, Babylon, Iraq

来源：

MATERIALS TODAY-PROCEEDINGS | 2021年 / 42卷

关键词：

Reinforced concrete beams; Web openings; Load-deflection traces; Shear behaviour; Ultimate deflection;

D O I：

10.1016/j.matpr.2020.12.710

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the current investigation, four reinforced concrete beams with square cross sectional area were poured and tested up to failure under the action of three-point loads. Three of them were designed to contain small web openings of different shapes, square, rectangular and circular while the other beam had no openings (control beam) for the purpose of comparison of findings. The load-deflection traces were successfully obtained for the tested specimens. The results indicated that perforating reinforced concrete beams with small web openings leads to a slight reduction in their ultimate loads corresponding to an increase in the ultimate deflection. Also, it was concluded that the beams with circular web openings had better shear resistance than other shapes selected here. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页码：2713 / 2716

页数：4

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