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Bradley, R A, Gohnert, M and Bulovic, I (2018) Construction considerations for low-cost earth brick shells. Journal of Construction in Developing Countries, 23(1), 43-60.

  • Type: Journal Article
  • Keywords: construction considerations; earth-brick shells; low-cost housing
  • ISBN/ISSN: 1823-6499
  • URL: https://doi.org/10.21315/JCDC2018.23.1.3
  • Abstract:
    Earthen shells are typically designed as pure-compression structures; however, some issues associated with construction practice, fixity, and certain actions (i.e., loading), which induce tensile stress, are often overlooked. Thus, cracking is not uncommon in unreinforced earthen shells. Cracking is particularly undesirable in these shells due to issues associated with the durability of earthen building materials. Moisture, in particular, may significantly compromise the strength and longevity of earthen masonry. In this paper, conventional and contemporary techniques utilised for the construction of earthen shells are reviewed. Furthermore, construction concerns with several methodologies are identified based on case study investigations and lessons learnt from several shells designed, built and monitored by the authors. An important finding is that fixity generated during construction with formwork can lead to significant cracking in earthen shells. © Penerbit Universiti Sains Malaysia, 2018.