EXPERIMENTAL INVESTIGATION OF CORROSION ON BOND SLIP RELATION OF ANTI RUST PAINTED (ARP) DEFORMED STEEL BARS IN ALKALINE SOLUTION

Shrivas Abhi Mukesh
PG Scholar, Department of Civil Engineering, KITS Warangal, India , IN

V Sanjay Gokul
PG Scholar, Department of Civil Engineering, KITS Warangal, India , IN

Keywords: Bond slip relationship, ARP deformed bars, corrosion

Abstract

Corrosion has been recognized as a major deterioration phenomenon which leads to the structural concrete
degradation due to environmental actions. Numerous researchers had turned their focus to this area and developed
various techniques and analysis models over the time. Focusing on the same area, this paper discusses the effect of
corrosion on ARP deformed steel bar, bond stress, bond stress vs slip relation based on 16 prism specimens(400 x 150
x100)mm tested in universal testing machine. Out of 16 specimens, 8 specimens were casted with ARP bars and 8 with
conventional bars. 4 prism specimens were provided with two embedment length (100mm) and (300mm) in addition to
two different bar diameter (12mm), and (16mm). Prior to testing 8 specimens were kept in alkaline solution of 5%
Nacl for 5 days. Bond slip relation is obtained experimentally and compared with the theoretical models found in
literature.

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