Blar i Øvrige samlinger på forfatter "Vaagen, Hajnalka"

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    • The combined impact of stochastic and correlated activity durations and design uncertainty on project plans 

      Kaut, Michal; Vaagen, Hajnalka; Wallace, Stein William (Peer reviewed; Journal article, 2020)
      Most model based studies on project uncertainty investigate a single source of uncertainty, with a dominant focus on stochastic activity durations. However, another major uncertainty facing engineering projects is that of ...

    • The emergence of lean construction in the Norwegian AEC industry 

      Lohne, Jardar; Torp, Olav; Andersen, Bjørn Sørskot; Aslesen, Sigmund; Bygballe, Lena Elisabeth; Bølviken, Trond; Drevland, Frode; Engebø, Atle; Fosse, Roar; Holm, Hans Thomas; Hunn, Lars Kristian; Kalsaas, Bo Terje; Klakegg, Ole Jonny; Knotten, Vegard; Kristensen, Kai Haakon; Olsson, Nils; Rolstadås, Asbjørn; Skaar, John; Svalestuen, Fredrik; Vaagen, Hajnalka; Wondimu, Paulos; Lædre, Ola (Peer reviewed; Journal article, 2021)
      Lean construction has inspired the AEC industry globally over the last decades, and this manifests within a wide array of contexts. The purpose of this paper is to provide a narrative-based qualitative analysis of the ...

    • Extending the Last Planner System® to the Entire Project 

      Ballard, Glenn; Vaagen, Hajnalka; Kay, William; Stevens, Bill; Pereira, Mauricio (Peer reviewed; Journal article, 2020)
      Research Question: How to extend the Last Planner System® to planning the entire project? Purpose: To provide one planning and control system for both project and production, and to improve project level planning. Research ...

    • Lean and Flexible Project Delivery 

      Vaagen, Hajnalka; Ballard, Glenn (Peer reviewed; Journal article, 2021)
      The average cost and time overrun of frequent changes in ETO and construction projects is high, and with steadily increasing cost constraints, productivity increase is critical for future competitiveness. Successful lean ...

    • Quadruple Helix Relational Approach to Recycling Fishing Nets: Cluster Development in the Norwegian West Coast Region 

      Vaagen, Hajnalka; Tippett, Arron Wilde (Chapter, 2023)
      The study presented in this chapter takes the quadruple helix relational perspective to develop a regional innovation cluster for fishing nets recycling and upcycling. A multi-method approach is proposed—triangulating ...

    • Socio-Economic Optimal Pricing of Railroad Infrastructure (SOPJI). Mathematical Model Formulation and Implementation 

      Kaut, Michal; Werner, Adrian; Lium, Arnt-Gunnar; Flatberg, Truls; Vaagen, Hajnalka; Crainic, Teodor Gabriel (SINTEF Rapport;, Research report, 2014)

    • Team Collective Intelligence in Dynamically Complex Projects—A Shipbuilding Case 

      Hansen, Morten Juel; Vaagen, Hajnalka; Van Oorschot, Kim (Peer reviewed; Journal article, 2020)
      In concurrent engineering projects driven by short delivery times, team performance rests on the team’s capability to quickly and effectively handle different, emergent issues. We conducted an exploratory study of a large, ...

    • The impact of design uncertainty in engineer-to-order project planning 

      Vaagen, Hajnalka; Kaut, Michal; Wallace, Stein W. (Journal article; Peer reviewed, 2017)
      A major driver of planning complexity in engineer-to-order (ETO) projects is design uncertainty far into the engineering and production processes. This leads to uncertainty in technical information and will typically lead ...