Abstract
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 one-way 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.
Highlights
Recycling exists in nature in several ways
The present study investigates the effect of the addition of metal waste like iron filings, iron turning lathe, and aluminum turning lathe on the structural behavior of Ferro cement and self-compacting concrete (SCC) one-way ribbed slab panels
The iron filings took from the product passed from sieve size 1.18 mm while the iron turning lathe and aluminum turning lathe took from the product passed from sieve size 4.75 mm. (Figure 1) shows the machinery waste such as iron filings, iron turning lathe, and aluminum turning lathe that has been used in this work as ferrous materials added to the concrete mix
Summary
Various types of waste material have been used in concrete products such as rubber, glass, polyethylene, ferritic, etc. The substantial source of metal waste is collected from the workshops and industrial plants that deal with metal raw material. This manufacturing machines residual is almost ready to use and enter the structural industry because of the suitable sizes and shapes that depend on the type of industries, as well as without the need of recycling energy. The present study investigates the effect of the addition of metal waste like iron filings, iron turning lathe, and aluminum turning lathe on the structural behavior of Ferro cement and self-compacting concrete (SCC) one-way ribbed slab panels
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