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- W3117554398 abstract "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 changes in design troughout the project delivery. This may come from uncertainty in the market, technology, or regulations, leading to changes in design and implementation paths, with alterations in the project network itself. This comes on top of stochastic and correlated activity durations for a given design. In this paper we develop a stochastic program to investigate how uncertainty in design and activity durations, together, affect planning, and their relationships. The findings suggest that when design uncertainty is modelled by multiple alternatives and delayed decisions on the final alternative, stochastic and correlated activity durations have limited impact. In situations with alternative and subtitutable solutions available for a given design, correlations drive a certain learning behaviour." @default.
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- W3117554398 date "2021-03-01" @default.
- W3117554398 modified "2023-09-27" @default.
- W3117554398 title "The combined impact of stochastic and correlated activity durations and design uncertainty on project plans" @default.
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- W3117554398 doi "https://doi.org/10.1016/j.ijpe.2020.108015" @default.
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