American Journal of Engineering Research and Reviews

Comparative Analysis of Collapse Loads of Slabs Supported on Orthogonal Sided Frames with Beam/ Column Joint Fixed

Research Article of American Journal of Engineering Research and Reviews Comparative Analysis of Collapse Loads of Slabs Supported on Orthogonal Sided Frames with Beam/ Column Joint Fixed S.O. Osuji, L.O. Adhekoyibo University of Benin Department of Civil Engineering Benin City, Edo State, Nigeria. This research work evaluates the collapse loads of slab supported on orthogonal side ended frames with column/beam joint fixed. Two frame models were investigated (one with Moment of Resistance of slab (MRS) > Moment of Resistance of beam (MRB) and the other with Moment of Resistance of slab (MRS) < Moment of Resistance of beam (MRB)). A reinforced concrete prototype of 3m*3m*3m frame with a reduction factor of 3 was designed and constructed. A model of it constructed and cast with a micro concrete of 1:6 mix ratio. The models were allowed to cure for 28days before being loaded directly until collapse. The estimated collapse load for slab and beam were 20.36KN/m and 52.27KN/m respectively. The actual collapse loads of the frame models (MRS > MRB and MRS < MRB) were 69.04KN/m and 49.68KN/m respectively. The frame model failed by flexural failure at the beams /column joints. The actual collapse load of 69.92KN and 49.68KN respectively were greater than that of the estimated collapse loads of beam and slab comparably. Also the MRS > MRB frame model is stronger than that of the MRS < MRB frame model. Keywords: Moment of resistance force, collapse load, slap, beam ...

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American Journal of Engineering Research and Reviews