Abstract
This research is based on creating gaps in several models of concrete slabs (by using ping pong balls). This modification was done to reduce the weight (which leads to reduce the cost) and state effects on the ultimate load capacity (q ult.) corresponding to deflection (Δ max. at centre). Results were compared with the model calibration (which does not contain gaps). Reduction in weight, change in ultimate load capacity and deflection of the models selected were measured. Linked variables (the ultimate load, deflection, weight, the gaps proportion and the distance between the edges of all the adjacent balls) were obtained to get equations supporting designer which can determine the best proportion of gaps according to the requirements of the structural member.
Published Version
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