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http://dx.doi.org/10.7781/kjoss.2016.28.1.001

Static Shear Strength of Cast-in Anchors with Stirrup Reinforcement  

Park, Yong Myung (Dept. of Civil Engineering, Pusan National University)
Jo, Sung Hoon (Dept. of Civil Engineering, Pusan National University)
Kim, Tae Hyung (Dept. of Civil Engineering, Pusan National University)
Kang, Choong Hyun (Seismic Simulation Test Center)
Kim, Jae Bong (Seismic Simulation Test Center)
Publication Information
Journal of Korean Society of Steel Construction / v.28, no.1, 2016 , pp. 1-12 More about this Journal
Abstract
An experimental study was conducted to evaluate the static shear strength of stirrup-reinforced cast-in anchors. The test parameters considered herein are an existence of front bearing bar and concrete crack. M36 anchor was used with an edge distance of 180mm. HD-10 bars were used for all reinforcing bars and the stirrups were placed with 100mm spacing. The shear resistance increased by 16% when the front bearing bar was installed. Meanwhile, the resistance reduced only 5% in the cracked concrete compared with the uncracked concrete. The test results showed that ACI 318 and ETAG 001 specifications could estimate the shear strength of stirrup-reinforced anchors conservatively and a rational method was proposed. A consideration on the fracture strength of stirrup-reinforced anchor is also given.
Keywords
Cast-in anchor; Stirrup reinforcement; Shear strength; Front bearing bar; Uncracked and cracked concrete;
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