Biaxial shear in RC square beams: Experimental, numerical and analytical program

被引：7

作者：

Tinini, Andrea ^{[1
]}

Minelli, Fausto ^{[1
]}

Belletti, Beatrice ^{[2
]}

Scolari, Matteo ^{[2
]}

机构：

[1] Univ Brescia, Dept Civil Environm Architectural Engn & Math, I-25121 Brescia, Italy

[2] Univ Parma, Dept Civil Environm Land Management Engn & Archit, I-43100 Parma, Italy

来源：

ENGINEERING STRUCTURES | 2016年 / 126卷

关键词：

Biaxial shear; Shear strength; Shear-critical beams; Full-scale tests; NLFEA; Model code 2010; ACI-318; EC2; RESISTANCE; GUIDELINES; DESIGN;

D O I：

10.1016/j.engstruct.2016.07.056

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

There are limited studies about the effect of biaxial shear in reinforced concrete (RC) elements. However, this load condition is quite common in columns subjected to horizontal forces. Moreover, the design and evaluation methods reported in codes do not consider any interaction between the shear strength in the two principal directions of inertia. This paper presents the results of an experimental program on six beams, with square section, subjected to inclined shear, which have been tested in order to understand the influence of the load inclination on the shear failure envelope. Based on the experiments, a new analytical formulation was proposed, with the aim to extend the prescriptions presented in fib-Model Code 2010 and ACI Code to the biaxial shear force. The proposed formulation was finally validated against results from experiments and non-linear finite element analyses (NLFEA). (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：469 / 480

页数：12

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