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  • 1.
    Jansson, Gustav
    et al.
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.
    Viklund, Emma
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.
    Olofsson, Thomas
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.
    Artistic and Engineering Design of Platform-Based Production Systems: A Study of Swedish Architectural Practice2018In: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 8, no 2, article id 34Article in journal (Refereed)
    Abstract [en]

    Research on platform-based production systems for house-building has focused on production and manufacturing issues. The aim of this research is to explore how the architectural design process contributes to the industrialised house-building industry from the perspective of creative design work. It also aims to describe how constraints affect architectural design work in the engineer-to-order context, when using platform-based production systems. Architects with experience in using platform-based building systems with different degrees of constraints were interviewed regarding creative aspects of the design work. The interviews, together with documents relating to platform constraints, were then analysed from the perspective of artistic and engineering design theories. The results show the benefits and issues of using platform constraints, both with prefabrication of volumetric modules, as well as prefabricated slab and wall elements. The study highlights a major research gap by describing how architectural work, from both the creative artistic and engineering design perspectives, is affected by constraints in the building platform: (1) the architectural design work goes through a series of divergent and convergent processes where the divergent processes are explorative and the convergent processes are solution-oriented; and (2), there is a trade-off between creativity and efficiency in the design work. Open parameters for layout design are key to architectural creativity, while predefinition supports efficiency. The results also provide an understanding of the potential for creativity in artistic and engineering work tasks through different phases in design, and how they are related to constraints in the platform. The main limitation of the research is the number of interviewed architects who had different background experiences of working with different types of platform constraints. More studies are needed to confirm the observations and to understand how creativity and efficiency interact with divergent and convergent design processes.

  • 2.
    Krantz, Jan
    et al.
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
    Larsson, Johan
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
    Lu, Weizhuo
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
    Olofsson, Thomas
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
    Assessing Embodied Energy and Greenhouse Gas Emissions in Infrastructure Projects2015In: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 5, no 4, p. 1156-1170Article in journal (Refereed)
    Abstract [en]

    Greenhouse gas (GHG) emissions from construction processes are a serious concern globally. Of the several approaches taken to assess emissions, Life Cycle Assessment (LCA) based methods do not just take into account the construction phase, but consider all phases of the life cycle of the construction. However, many current LCA approaches make general assumptions regarding location and effects, which do not do justice to the inherent dynamics of normal construction projects. This study presents a model to assess the embodied energy and associated GHG emissions, which is specifically adapted to address the dynamics of infrastructure construction projects. The use of the model is demonstrated on the superstructure of a prefabricated bridge. The findings indicate that Building Information Models/Modeling (BIM) and Discrete Event Simulation (DES) can be used to efficiently generate project-specific data, which is needed for estimating the embodied energy and associated GHG emissions in construction settings. This study has implications for the advancement of LCA-based methods (as well as project management) as a way of assessing embodied energy and associated GHG emissions related to construction.

  • 3.
    Uusitalo, Petri
    et al.
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.
    Lavikka, Rita
    Smart Energy and Built Environment, VTT Technical Research Centre of Finland.
    Overcoming Path Dependency in an Industrialised House-Building Company through Entrepreneurial Orientation2020In: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 10, no 3, p. 1-22, article id 45Article in journal (Refereed)
    Abstract [en]

    Although it is well-established that industrialised construction can improve construction companies’ productivity, the uptake of industrialised ways of working has been slow and traditional construction companies remain unwilling to move towards industrialisation. One key reason is that there is little understanding of how construction companies can overcome path dependency (PD). Drawing on a longitudinal case study looking at an industrialised house-building (IHB) company, this work investigates how entrepreneurial orientation (EO) has influenced the development of a construction company that was able to transform from a traditional construction company to an IHB company over 25 years and to overcome PD in the process. The study found that by focusing on a niche market segment, developing a platform in collaboration with external actors, and an entrepreneurial mindset supported the company in overcoming its PD. However, being the “first-mover” in the industry created new path dependencies that may hinder other companies from entering this specific niche market area and the development of the industry as a whole. This study contributes to the theoretical buildup of EO, PD and strategic orientations of IHB companies, and contributes to practitioners’ understanding of IHB companies from a strategic management contingency perspective.

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