RESEARCH ARTICLE


Integrated Strip Foundation Systems for Small Residential Buildings



Torben ValdbjØrn Rasmussen
Department of Construction and Health, Danish Building Research Institute, Aalborg University, Denmark


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Creative Commons License
© 2018 T. V. Rasmussen

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Construction and Health, Danish Building Research Institute, Aalborg University, Denmark; Tel: +45 9940 2272; Fax: +45 4586 7535; E-mail: tvr@sbi.dk


Abstract

A prefabricated lightweight element was designed for a strip foundation that was used on site as the bases of two small residential buildings, in this case single-family houses; one was built with a double-brick exterior wall separated by mineral fiber insulation and the other was built with a wood-stud exterior wall with mineral fiber insulation. The element was placed on a stable surface underneath the top soil layer, just 0.25 m below the finished ground surface. The prefabricated element was designed to comply with the requirements of a high energy-efficient performance stipulated in the new Danish Building Regulations. The base of the two individual buildings was cast in one working operation and completed within two working days. Produced and shaped as one coherent element of expanded polystyrene, the element was designed to be handled on site by one man. Non-freezing ground was established by using outer insulation located at the outer plinth. Temperatures were measured at measurement points at the outer plinth and onwards from these points beneath the building. In addition the soil temperature, the temperature within the concrete floor slab and outdoor as well as indoor temperatures were measured.

Keywords: Strip foundation, Prefabricated element, EPS, Small building, Case study.