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Group decision-making for the thermal renovation of masonry buildings in Algeria.

Seddiki, Mohammed; Anouche, Karima; Bennadji, Amar


Mohammed Seddiki

Karima Anouche


A. Galiano-Garrigos

C.A. Brebbia


In Algeria, the residential and tertiary sectors are the ones with the highest energy consumption making use of 34% of the total energy. The government has launched a thermal renovation program for existing buildings to reduce energy consumption. The existing stock has 1,050,000 of masonry dwellings built before 1945. Masonry buildings represent a cultural heritage; they are subject to a building rehabilitation program. The thermal renovation of masonry buildings would both guarantee their preservation and reduce energy consumption. Thermal renovation of masonry buildings in Algeria requires a comprehensive approach; it simultaneously involves a multitude of decision makers (actors concerned with the preservation of buildings, actors concerned by the reduction of energy consumption, owners, etc.) that can express a multitude of criteria (economic, energy, cultural, historical, societal, etc.). This paper presents a method for group decision making based on the Preference Ranking Organization Method for Enrichment Evaluation (PROMETHEE) methods for the thermal renovation of masonry buildings. The aim of the proposed method is to rank different thermal renovation solutions using a multi-criteria and multi-decision makers' approach. The method uses the structured group interaction method Delphi through which the decision group would define the evaluation criteria and the thermal renovations solutions, the group decision support system PROMETHEE GDSS to reach a global ranking of the renovations solutions and PROMETHEE V (optimization under constraints) to introduce additional constraints, the Graphical Analysis for Interactive Aid (GAIA) plan to get a better understanding of conflicts and similarities between the criteria and among the decision makers.

Start Date Jul 12, 2016
Publication Date Sep 30, 2016
Print ISSN 1743-3541
Publisher WIT Press
Pages 535-546
Series Title WIT transactions on ecology and the environment
Series Number 204
Series ISSN 1743-3541
ISBN 9781784661038
Institution Citation SEDDIKI, M., ANOUCHE, K. and BENNADJI, A. 2016. Group decision-making for the thermal renovation of masonry buildings in Algeria. In Galiano-Garrigos, A. and Brebbia, C.A. (eds.) The sustainable city XI: proceedings of the 11th International conference on urban regeneration and sustainability (SC 2016), 12-14 July 2016, Alicante, Spain. WIT transactions on ecology and the environment, 204. Southampton: WIT press [online], pages 535-546. Available from:
Keywords Thermal renovation; Masonry buildings; PROMETHEE methods; Multicriteria decision making; Group decision


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