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Ashcroft, D, Egbelakin, T, Jing, J and Rasheed, E O (2019) Cost comparison of seismic damage resisting systems for modules in multi-storey buildings. Journal of Engineering, Design and Technology, 17(02), 330–46.

  • Type: Journal Article
  • Keywords: Costs; Housing shortage; Modular construction; Seismic damage resisting systems (SDRS); Seismic risk mitigation;
  • ISBN/ISSN: 1726-0531
  • URL: https://doi.org/10.1108/JEDT-04-2018-0076
  • Abstract:
    The purpose of this paper is to examine the economic viability of a new and innovative seismic damage resisting system (SDRS) device by conducting a feasibility study. The SDRS device has been patented and specifically designed to be implemented in multi-storey modular buildings in seismic regions such as New Zealand. Design/methodology/approach Using a case study approach, two sample modular multi-storey buildings were purposively selected for the study. A cost-comparison analysis was conducted using the SDRS device in the two buildings, by carrying out a measure and price exercise of the construction elements. Findings The research results showed that the SDRS device is an economically viable option for mitigating seismic damage in modular multi-storey buildings in New Zealand. There is an average of 7.34 per cent of cost reduction when SDRS is used in modular multi-storey buildings when compared to other seismic resistance systems such as base isolation, moment resisting frames and friction damper systems. Practical implications The economic viability of the SDRS presents an opportunity for its usage in modular design and construction of multi-storey buildings. SDRS system is also applicable to other building typologies and construction methods. The use of SDRS also aligns with the current national objective to provide more affordable and resilient housing within a limited time; the opportunity is considered significant in New Zealand, including for export and manufacturing. Originality/value The confirmation of the SDRS device’s economic feasibility is the original contribution of the authors.