Assessment of shear resistance of RC members without shear reinforcement of Vietnam standard 5574-2012 and other building codes
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Keywords:
reinforced concrete;
concrete member;
shear strength;
shear reinforcement;
building code
Abstract
Several structural reinforced concrete members are constructed without shear reinforcement such as slabs, footings, and lightly stressed members. The design of these members for shear has become an issue of debate as the shear capacity according to various building codes are very different. The paper investigates the design shear strength of reinforced concrete beams without transverse reinforcement using provisions from Vietnam Standard 5574-2012, ACI 318-14, EC2 EN 1992-1:2004, and BS 8110-1:1997. The results show that Vietnam Standard 5574-2012 does not account for the influence of longitudinal tension reinforcement ratio, shear span ratio, and size effect on the shear resistance provided by the concrete which are the important factors incorporated in the other codes. Comparisons of the design shear strength versus concrete strength and axial load level are also carried out among these four building codes.
References
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[1] Jung S. and Kim K.S. (2008). Knowledge-based prediction of shear strength of concrete beams without shear reinforcement, Engineering Structures, V30, pp. 1515-1525.
[2] ASCE-ACI Committee 426 (1973). The Shear Strength of Reinforced Concrete Members, Journal of Structural Division, ASCE, V. 99, No. 6, pp. 1091-11872.
[3] ASCE-ACI Committee 445 (1999). ACI 445R-99 Recent Approaches to Shear Design of Structural Concrete.
[4] TCVN 5574-2012 Concrete and reinforced concrete structures - Design standard.
[5] ACI 318-14 Building code requirements for structural concrete and commentary. American Concrete Institute. Farmington Hills.
[6] EC2 EN 1992-1:2004. Design of concrete structures - Part 1-1: General rules and rules for buildings.
[7] BS 8110-1:1997 Structural use of concrete - Part 1: Code of practice for design and construction. British Standards Institute.
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Published
May 31, 2018
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How to Cite
Tran Anh Thien, Truong Van Bang. “Assessment of Shear Resistance of RC Members Without Shear Reinforcement of Vietnam Standard 5574-2012 and Other Building Codes”. The University of Danang - Journal of Science and Technology, vol. 5, no. 126.2, May 2018, pp. 71-75, https://jst-ud.vn/jst-ud/article/view/331.
