S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Architecture and Architectural Engineering (건축학과) Journal Papers (저널논문_건축학과)
Punching shear strength of interior concrete slab–column connections reinforced with steel fibers
- Park, Hong-Gun; Choi, Kyoung-Kyu; Taha, Mahmoud M. Reda; Maji, Arup K.
- Issue Date
- Cem Concr Compos 2007;29(5):409-20
- Flat plate; Punching shear; Failure mechanism; Fiber reinforced concrete; Slab–column connection
- A theoretical study was performed to investigate the punching shear strength of interior slab–column connections made of steel fiber
reinforced concrete (FRC). In the steel FRC slab–column connection, the shear force applied to the critical section is resisted by both the
compression zone and the tension zone at the critical section. The shear capacity of the compression zone was defined by considering the
interaction between the shear and the normal stresses developed at the critical section. The shear capacity of the tension zone was defined
by considering the post-cracking tensile strength of FRC. By using the shear capacity, a new strength model for the punching shear
strength of steel FRC slab–column connections was developed. The proposed strength model was verified using existing test results
and showed very good accuracy. For convenience in design, a simplified design equation was also developed.
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