Does concrete modular system add value in residential buildings? - Case study and qualitative evaluation Online publication date: Wed, 05-Apr-2023
by Jason Lim; Muhammad Nurul Afla; Elia Oey
International Journal of Structural Engineering (IJSTRUCTE), Vol. 13, No. 2, 2023
Abstract: The concept of modularity has been widely accepted in production environment. However, its adoption in the construction sector is still limited. The research aims to address what are the main (sub) challenges in adopting concrete modularity concept in residential housing. The study collected possible challenges from previous studies, and asked expert respondents to perform AHP-pair wise comparison. It also used parameters from two case projects of a two-storey housing to examine the time and cost implications for modular concrete construction. The results shown the 'high upfront investment cost', 'lack of interest from consumers', 'no/lack of guidelines and regulation in design', 'lack of suppliers/products' and 'complexity to integrate with onsite structure' as the top five sub-challenges. From the project case 4% cost increase and 25% time saving can be expected from modular concrete adoption to a two-storey housing project.
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