Evaluation of Shear Effect on Deflection of RC Beams

This study evaluates the effect of shear on the deflection of reinforced concrete (RC) beams subjected to combined bending and shear. A total of nine simply supported beams were manufactured with the shear span-to-depth ratio, tension steel ratio, and shear capacity ratio as test variables. The expe...

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Bibliographic Details
Published inApplied sciences Vol. 11; no. 16; p. 7690
Main Authors Kim, Sang-Woo, Han, Dong-Seok, Kim, Kil-Hee
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.08.2021
Subjects
Building codes
Concrete
Deflection
Design techniques
effective moment of inertia
Flexing
flexure
Inertia
Load
Moments of inertia
RC beams
Reinforced concrete
Shear
Shear strength
Steel ratios
Strain gauges
Variables
Yield stress
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Summary:This study evaluates the effect of shear on the deflection of reinforced concrete (RC) beams subjected to combined bending and shear. A total of nine simply supported beams were manufactured with the shear span-to-depth ratio, tension steel ratio, and shear capacity ratio as test variables. The experimental results were used to evaluate the effect of shear on the deflection by separating them into flexural and shear deformations. The theoretical deflection of the specimens was calculated using the effective moment of inertia equation recommended by ACI 318-19 based on the curvature relationships and experimental results of the flexure critical beams. By comparing the experimental and analytical results, it was revealed that the deflection obtained using the ACI equation underestimated the experimental results by up to about 1.6 times when the shear effect was large.
ISSN:2076-3417
2076-3417
DOI:10.3390/app11167690