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Media type:
E-Article
Title:
Shear behavior of reinforced concrete beams strengthened by CFRP strips
Contributor:
Mohammed, Abd
Published:
Centre for Evaluation in Education and Science (CEON/CEES), 2021
Published in:
Journal of Applied Engineering Science, 19 (2021) 2, Seite 415-423
Language:
English
DOI:
10.5937/jaes0-29968
ISSN:
1451-4117;
1821-3197
Origination:
Footnote:
Description:
In this research, twelve normal reinforced concrete beams are used with dimensions of 110Ch10Ch20 cm, the compressive strength for all specimens is 30 MPa. Deformed bars 2Ø12mm with Ø6mm were used for longitudinal reinforcement, while for transverse reinforcement deformed bars with 5cm, 10cm and 15cm spacing were used. The specimens were tied by different shapes of CFRP strips (tied, inclined and X-shaped). All specimens were tested with two points load by a hydraulic machine to determine the modes of failure, maximum load and deflection. Specimens without CFRP strips were also tested and compared with other specimens. Specimens with the X-shaped strips shows 70% increment in Pu and decrement in maximum deflection of 39%. The addition of CFRP strips as a tying material helps in improving the strength and bearing strength of concrete.