Toward automated earned value tracking using 3D imaging tools

Yelda Turkan, Frédéric Bosché, Carl Haas, Ralph Haas

    Research output: Contribution to journalArticle

    54 Citations (Scopus)
    363 Downloads (Pure)

    Abstract

    Accurate and frequent construction progress tracking provides critical input data for project systems such as cost and schedule control as well as billing. Unfortunately, conventional progress tracking is labor intensive, sometimes subject to negotiation, and often driven by arcane rules. Attempts to improve progress tracking have recently focused mainly on automation, using technologies such as 3D imaging, GPS, UWB indoor locating, hand-held computers, voice recognition, wireless networks, and other technologies in various combinations. However, one limit to date of these approaches is their focus on counting objects or milestones rather than value. In this paper, a 4D model recognition driven automated progress tracking system that transforms objects to their earned values is examined via analysis of data from the construction of a steel reinforced concrete structure and a steel structure. It is concluded that automated, object oriented recognition systems that convert each object to its earned value can improve the accuracy of progress tracking substantially and thus better support project systems like billing. The contribution of this study is an argument based on scientific results for refocusing future research onto automated earned value tracking which is ultimately what is needed in practice.
    Original languageEnglish
    Pages (from-to)423–433
    Number of pages11
    JournalJournal of Construction Engineering and Management
    Volume139
    Issue number4
    DOIs
    Publication statusPublished - Apr 2013

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