Optimizing Mix Proportion of Lightweight Concrete Containing Plastic Waste by Taguchi Method

Abstract:

In this study, mix proportion parameters of lightweight concrete (LWC) containing ethyl vinyl acetate (EVA) plastic waste from footwear manufacture were investigated by employing Taguchis method and ANOVA statistics. The mixtures were designed in a L₉ orthogonal array with four factors viz., water/cement, water content, EVA content and sand/cement. The results showed that EVA content and water/cement ratio had the significant effect on density and compressive strength of LWC. The density and compressive strength of the LWC containing EVA waste ranged from 1172 to 1441 kg/m³ and from 3.5 to 10.8 MPa, respectively. It can be concluded that the obtained LWC can be classified as masonry concrete. The best possible levels for mix proportions were determined to optimize density and compressive strength of the samples.

• Periodical: Advanced Materials Research (Volumes 931-932)
• Pages: 431-435
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.931-932.431
• Online since: May 2014
• Authors: Nattakan Dulsang, Prinya Chindaprasirt, Patcharapol Posi, Salim Hiziroglu, Pattraporn Sutaphakdee, Ruth Dangsawat, Pornnapa Kasemsiri*
• Keywords: Ethyl Vinyl Acetate Waste, Lightweight Concrete, Mix Proportion Optimization, Taguchi Method

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