A general shear strength method for reinforced concrete beams

Author

Chunmin, Dong ; Leping, Ni

Author_Institution

Sch. of Civil Eng., China Henan Polytech. Univ., Jiaozuo, China

fYear

2011

fDate

22-24 April 2011

Firstpage

17

Lastpage

20

Abstract

Two different formulas of shear strength for reinforced concrete beam are provided by Code for Design of Concrete Structures owning to lack of a rational mechanism model. In certain conditions, these two expressions are discontinuity, for these are provided merely based on experiment results. To investigate a general shear strength method for reinforced concrete beams, a total of 12 simply supported reinforced concrete T-beams with high stirrup have been made. Experimental results indicated that the uniform load lying between support and the top of critical diagonal cracking couldn´t be neglected. Taking shear strength apart from support 1.5 h₀ as the ultimate shear strength of beam, then the shear strength of reinforced concrete beam with high stirrup can be calculated by a general method. The comparisons between predictions and experiment results have been conducted, which shown that the proposed general shear strength method for reinforced concrete beams agreed with experiment results well.

Keywords

beams (structures); cracks; fracture; reinforced concrete; shear strength; concrete structures design; critical diagonal cracking; general shear strength method; reinforced concrete T-beams; Concrete; Force; Load modeling; Loading; Safety; Shearing; Structural beams; a general shear strength method; concentrated load; experimental research; high strength stirrup; uniform load;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Technology and Civil Engineering (ICETCE), 2011 International Conference on

Conference_Location

Lushan

Print_ISBN

978-1-4577-0289-1

Type

conf

DOI

10.1109/ICETCE.2011.5776199

Filename

5776199