Open AccessExperimental study of 90° hook and standard hook at the end of reinforced concrete beam stirrup
Author(s) -
Anton Susanto,
Heri Kasyanto,
S. Susilahadi
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/830/2/022072
Subject(s) - stirrup , hook , structural engineering , deflection (physics) , reinforced concrete , shear (geology) , materials science , reinforcement , composite material , engineering , physics , optics
Part of shear forces on reinforced concrete structures, will be borne by stirrup. According to Indonesia concrete standard, a closed stirrup must be used in earthquake prone areas. The end of the stirrups should be a hook with an angle ≥ 135°. The focus of this research is the modification of the hook shape on the stirrup reinforcement. This research is expected to design the shape of hook which good performance on shear holding. The basis of this research is experimental testing in the laboratory by cyclic loads. The specimens consisted of 2 pieces: TG1 and TG2. TG1 is a specimen with an angle135° end-hook shape according to SNI provisions. TG2 is a specimen with an angle 90° end-hook shape. The two specimens are reinforced concrete beams (250mm x 400mm x1700 mm). From the test, it is proofed that the two specimens are collapsed by shear. The ultimate load on the second specimen is greater than the ultimate load of first one, P u1 = 245 kN and P u2 = 270 kN. In addition, the deflection of the second specimen is greater than the deflection of the first one, δ 1 = 12 mm and δ 2 = 14 mm.