Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation

The need for advancements in residential construction and the hazard induced by the shrink–swell reactive soil movement prompted the development of the prefabricated footing system of this study, which was assessed and compared to a conventional waffle raft using a multi-criteria analysis. The asses...

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Autores principales:	Bertrand Teodosio, Francesco Bonacci, Seongwon Seo, Kasun Shanaka Kristombu Baduge, Priyan Mendis
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	prefabricated footing system reactive soil foundation finite element model (FEM) life cycle assessment (LCA) green house gases (GHG) life cycle cost (LCC) Technology T
Acceso en línea:	https://doaj.org/article/1df38b9724b3436596c0893f1b20937d
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spelling	oai:doaj.org-article:1df38b9724b3436596c0893f1b20937d2021-11-25T17:26:13ZMulti-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation10.3390/en142275151996-1073https://doaj.org/article/1df38b9724b3436596c0893f1b20937d2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7515https://doaj.org/toc/1996-1073The need for advancements in residential construction and the hazard induced by the shrink–swell reactive soil movement prompted the development of the prefabricated footing system of this study, which was assessed and compared to a conventional waffle raft using a multi-criteria analysis. The assessment evaluates the structural performance, cost efficiency, and sustainability using finite element modelling, life cycle cost analysis, and life cycle assessment, respectively. The structural performance of the developed prefabricated system was found to have reduced the deformation and cracking by approximately 40%. However, the cost, GHG emission, and embodied energy were higher in the prefabricated footing system due to the greater required amount of concrete and steel than that of the waffle raft. The cost difference between the two systems can be reduced to as low as 6% when prefabricated systems were installed in a highly reactive sites with large floor areas. The life cycle assessment further observed that the prefabricated footing systems consume up to 21% more energy and up to 18% more GHG emissions. These can significantly be compensated by reusing the developed prefabricated footing system, decreasing the GHG emission and energy consumption by 75–77% and 55–59% with respect to that of the waffle raft.Bertrand TeodosioFrancesco BonacciSeongwon SeoKasun Shanaka Kristombu BadugePriyan MendisMDPI AGarticleprefabricated footing systemreactive soil foundationfinite element model (FEM)life cycle assessment (LCA)green house gases (GHG)life cycle cost (LCC)TechnologyTENEnergies, Vol 14, Iss 7515, p 7515 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	prefabricated footing system reactive soil foundation finite element model (FEM) life cycle assessment (LCA) green house gases (GHG) life cycle cost (LCC) Technology T
spellingShingle	prefabricated footing system reactive soil foundation finite element model (FEM) life cycle assessment (LCA) green house gases (GHG) life cycle cost (LCC) Technology T Bertrand Teodosio Francesco Bonacci Seongwon Seo Kasun Shanaka Kristombu Baduge Priyan Mendis Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation
description	The need for advancements in residential construction and the hazard induced by the shrink–swell reactive soil movement prompted the development of the prefabricated footing system of this study, which was assessed and compared to a conventional waffle raft using a multi-criteria analysis. The assessment evaluates the structural performance, cost efficiency, and sustainability using finite element modelling, life cycle cost analysis, and life cycle assessment, respectively. The structural performance of the developed prefabricated system was found to have reduced the deformation and cracking by approximately 40%. However, the cost, GHG emission, and embodied energy were higher in the prefabricated footing system due to the greater required amount of concrete and steel than that of the waffle raft. The cost difference between the two systems can be reduced to as low as 6% when prefabricated systems were installed in a highly reactive sites with large floor areas. The life cycle assessment further observed that the prefabricated footing systems consume up to 21% more energy and up to 18% more GHG emissions. These can significantly be compensated by reusing the developed prefabricated footing system, decreasing the GHG emission and energy consumption by 75–77% and 55–59% with respect to that of the waffle raft.
format	article
author	Bertrand Teodosio Francesco Bonacci Seongwon Seo Kasun Shanaka Kristombu Baduge Priyan Mendis
author_facet	Bertrand Teodosio Francesco Bonacci Seongwon Seo Kasun Shanaka Kristombu Baduge Priyan Mendis
author_sort	Bertrand Teodosio
title	Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation
title_short	Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation
title_full	Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation
title_fullStr	Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation
title_full_unstemmed	Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation
title_sort	multi-criteria analysis of a developed prefabricated footing system on reactive soil foundation
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1df38b9724b3436596c0893f1b20937d
work_keys_str_mv	AT bertrandteodosio multicriteriaanalysisofadevelopedprefabricatedfootingsystemonreactivesoilfoundation AT francescobonacci multicriteriaanalysisofadevelopedprefabricatedfootingsystemonreactivesoilfoundation AT seongwonseo multicriteriaanalysisofadevelopedprefabricatedfootingsystemonreactivesoilfoundation AT kasunshanakakristombubaduge multicriteriaanalysisofadevelopedprefabricatedfootingsystemonreactivesoilfoundation AT priyanmendis multicriteriaanalysisofadevelopedprefabricatedfootingsystemonreactivesoilfoundation
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Multi-Criteria Analysis of a Developed Prefabricated Footing System on Reactive Soil Foundation

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