Choosing the Best Sustainable Prefabricated Building Systems Using the Analytical Network Process (ANP) Technique
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Abstract
Attention should be paid to prefabricated construction, as the consumption of raw materials in traditional construction is large and affects the country's resources and economy. Sustainable prefabricated building systems in Iraq suffer from a clear weakness in management due to the use of old methods and a lack of focus on important management criteria. This research addresses this issue by modeling the analytical network process (ANP) technique to select the best types of systems.
By reviewing the general literature, 80 indicators were identified within the 12 relevant categories. These indicators formed the basis of a closed questionnaire distributed to 90 experienced respondents. Three prefabricated building systems were identified based on the structural composition (load-bearing wall system, frame system, and box system). The expert questionnaire was analyzed using the ANP technique and the Sustainability Index (SI) for each system was found using the Excel program and it was found that the best sustainable prefabricated building system is the box system. This research helps to improve the management of prefabricated building projects and increase speed, quality, pollution, and reduce the cost of housing in Iraq, which suffers from high costs.
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