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Title: Accuracy evaluation of ACI and EC2 on minimum reinforcement ratio for RC beams
Authors: Chandra, Gilbert Nathanael
Keywords: Engineering::Civil engineering::Structures and design
Issue Date: 2021
Publisher: Nanyang Technological University
Source: Chandra, G. N. (2021). Accuracy evaluation of ACI and EC2 on minimum reinforcement ratio for RC beams. Final Year Project (FYP), Nanyang Technological University, Singapore.
Abstract: Sectional analysis by using software Response2000 has been carried out to calculate minimum flexural reinforcement ratio by considering the size effect and the cross-section shape of the beam which are completely neglected by ACI 318-19 and EC2, as well as extending the current upper limit on the yield strength of reinforcement (fy) on ACI 318-19 and EC2 to enable the usage of high strength steel reinforcement (HSSR). A total of 1920 test results were used to analyze the parameters affecting the minimum flexural reinforcement ratio to ensure a ductile failure mode. The research has revealed that the minimum flexural reinforcement ratio is a function of 4 variables: concrete compressive strength (f’c), reinforcement yield strength (fy), d/h ratio, and cross-section shape. Furthermore, this report has shown that ACI 318-19 is more conservative than EC2 for predicting the minimum reinforcement ratio. Finally, new equations have been proposed to calculate the minimum flexural reinforcement ratio.
Schools: School of Civil and Environmental Engineering 
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:CEE Student Reports (FYP/IA/PA/PI)

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