Utilizing Industrial Metal Wastes in One-Way Ribbed Reinforced Concrete Panels

A. Alfeehan, M. Mohammed, M. Jasim, U. Fadehl, F. Habeeb


The elimination of metal waste generated during the initial manufacturing processes of industrial plants and workshop machines still a big problem.  The current investigation dealt with adding the metal wastes produced by machinery processing such as iron filings powder, iron turning lathe, and aluminum turning lathe to improve the structural performance of oneway ribbed slab (RS) panels. Two types of concrete were considered in this work; Ferro cement (FER) and self-compacting concrete (SCC). The reinforced concrete panels with iron filings powder and iron turning lathe showed an increase in the ultimate load and a decrease in the central deflection, while the panels with aluminum turning lathe revealed an opposite behavior.  The significant effect of using metal wastes is the superior resistance to crack propagation by increase the bond between fibers and cement mortar across the cracks. Adding the metal wastes with fine particles improves the concrete strength providing the workability must be controlled. Using the lathe as an iron fiber with a specific shape factor has a side effect due to fiber balling in the concrete mix. Also, high percentages of filings iron powder cause agglomerate the powder particles due to magnetic attraction forces.


Recycled material, Waste, Fibre-reinforced concrete, Ferro cement, Self-compacting concrete

DOI: https://dx.doi.org/10.4067/S0718-50732020000300246


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