Open AccessShear Performance of Pretensioned Prestressed Concrete Beam with Steel Fibre
Author(s) -
Razidah Ismail,
Lyn Dee Goh,
Nik Nurul Nadia Nik Hasan,
Asheq Rahman,
Fariz Aswan Ahmad Zakwan
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/713/1/012027
Subject(s) - materials science , prestressed concrete , beam (structure) , deflection (physics) , structural engineering , composite material , flexural strength , shear (geology) , engineering , physics , optics
The use of steel fibre has proven to be effective in enhancing the performance of concrete structure. However, its application in the prestressed concrete is not fully understood. Therefore, this study presents the application of steel fibre in the prestressed concrete beam. An investigation on the crack pattern and load-deflection relationship of prestressed concrete beam filled with steel fibre was carried out and a comparison is made with the prestressed concrete beam without the steel fibre. A total of three configurations of beams with size of 150 × 200 × 1200 mm were employed. Steel fibres were added with two different volume fractions of 3% and 5%. Experimental results showed that the control beam experienced shear crack pattern, while the other two beams experienced the flexural-shear crack. In comparison between two different percentages of steel fibre in the beam configurations, more cracks were observed in the prestressed beam that filled with 3% steel fibre compared to the prestressed beam filled with 5% of steel fibre.