Title: Material selection using multi-criteria decision making methods for geomembranes

Authors: Cristhian Chingo; Javier Martínez-Gómez; Ricardo A. Narváez C.

Addresses: School of Physics and Nanotechnology, Yachay Tech University, Hacienda San José s/n y Proyecto Yachay, 100119, San Miguel de Urcuquí, Ecuador ' Instituto de Investigacion Geologico y Energetico (IIGE), Quito, Ecuador; Universidad Internacional SEK – UISEK, Ecuador; Campus of Miguel de Cervantes, Alberto Einstein Street s/n and 5th Transversal, Quito, EC170134, Ecuador ' Instituto de Investigacion Geologico y Energetico (IIGE), Quito, Ecuador; Universidad Internacional SEK – UISEK, Ecuador; Campus of Miguel de Cervantes, Alberto Einstein Street s/n and 5th Transversal, Quito, EC170134, Ecuador; Facultad de Ingeniería Química, Universidad Central del Ecuador, Quito, Ecuador

Abstract: The present work aims to be a useful information about the novel MCDM methods applied on geomembranes in order to select the best alternative for construction. Qualitative and quantitative information will be used to do the best choice. AHP method is used to calculate the weight (importance) of the different criteria which uses the subjective information to assign numeric values among 0 and 1, being better weights with values near to 1. COPRAS-G, OCRA, TOPSIS, VIKOR, EXPROM II and ORESTE methods are applied as MCDM methods in order to perform the more accurate selection using relevant information about the features of different materials. These methods use the weight obtained by AHP for ranking the best alternative, whose result contains subjective and objective information. Finally, all methods are standardised with a unique equations template, which makes it easier to understand all of them in subsequent applications.

Keywords: geomembranes; multi-criteria decision making; MCDM; qualitative; quantitative; standardised; weight.

DOI: 10.1504/IJMOR.2020.104683

International Journal of Mathematics in Operational Research, 2020 Vol.16 No.1, pp.24 - 52

Received: 06 Aug 2018
Accepted: 14 Sep 2018
Published online: 28 Jan 2020 *

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