Abstracts – Browse Results
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Abu Dabous, S (2008) A decision support methodology for rehabilitation management of concrete bridges, Unpublished PhD Thesis, , Concordia University (Canada).
Al-Hussein, M (1999) An integrated information system for crane selection and utilisation, Unpublished PhD Thesis, , Concordia University (Canada).
Alshibani, A (2008) Optimizing and controlling earthmoving operations using spatial technologies, Unpublished PhD Thesis, , Concordia University (Canada).
Budawara, N (2009) Key performance indicators to measure design performance in construction, Unpublished PhD Thesis, , Concordia University (Canada).
El-Rayes, K A (1998) Optimized scheduling for repetitive construction projects, Unpublished PhD Thesis, , Concordia University (Canada).
Hammad, M M (2001) CPDICenter: Web-based virtual construction project document information center in support of claims preparation, Unpublished PhD Thesis, , Concordia University (Canada).
Hassanein, A (2003) Planning and scheduling highway construction using GIS and dynamic programming, Unpublished PhD Thesis, , Concordia University (Canada).
Hegazy, T M (1994) Integrated bid preparation with emphases on risk assessment using neural networks, Unpublished PhD Thesis, , Concordia University (Canada).
Iliescu, S (2000) A case-based reasoning approach to the designing of building envelopes, Unpublished PhD Thesis, , Concordia University (Canada).
Jrade, A (2004) Integrated conceptual cost estimating and life cycle costing system for building projects, Unpublished PhD Thesis, , Concordia University (Canada).
Li, J (2004) Web-based integrated project control, Unpublished PhD Thesis, , Concordia University (Canada).
- Type: Thesis
- Keywords: control system; duration; project team; web-based system; construction project; sensors; cost control; cost variance; forecasting; performance evaluation; project cost; client; project performance
- ISBN/ISSN:
- URL: https://www.proquest.com/docview/305134065
- Abstract:
Time-and-cost control is an essential management function for successful delivery of engineering, procurement, and construction projects. Considerable research efforts have been expended on this topic. However, those methods often suffer from a lack of integrated tracking and control. In general, control systems generate variance reports and provide analysis, diagnosis, and forecasts of project cost and duration at completion. Nevertheless, there is a need not only for an efficient computational environment that allows data sharing among project team members in the control process, but also for providing reasons behind unacceptable performance and for improving forecasting capabilities. This research presents a web-based system that supports project time-and-cost control in an integrated manner. The developed system utilizes object-oriented modeling to represent project deliverables. A set of control-objects is designed to represent the work tasks in the construction process. A hierarchy structure using a three-level performance evaluation method not only identifies the time-and-cost variances at each control level, but also evaluates the calculated variances against a pre-defined criterion. Eighteen key indicators chosen from the literature serve as sensors to highlight problematic areas associated with unfavorable performance. Four causal models are developed to define the relationships among the indicators. Fuzzy binary relation and union operations are employed to explain the reason(s) behind unfavorable performance and to suggest related corrective action(s). An indicator-based fuzzy forecasting model is developed to assist in predicting time and cost at completion and at interim future horizons. A prototype system “IT/CC” (Integrated time and cost control) is developed in the structure of Three-Tier Client Server architecture to implement the developed methodology. Sixty web forms serving different input, browsing, and editing purposes are developed. Five databases, namely, Project, Factor, Reason, Case, and Historical are developed to facilitate the implementation of the IT/CC system. The IT/CC system takes advantage of the World Wide Web to provide an efficient data sharing and collaborating environment for tracking and control of construction activities. It also provides timely generation and dissemination of site progress reports. Daily, weekly, monthly and/or yearly, period-by-period, and to-date project performance reports are generated to provide the status at project, control-object, and resource levels. The on-line data sharing ability provides real-time data for team members and allows them to react in a timely manner.
Marzouk, M (2002) Optimizing earthmoving operations using computer simulation, Unpublished PhD Thesis, , Concordia University (Canada).
Meniru, K C U (2005) Computer-aided conceptual building design, Unpublished PhD Thesis, , Concordia University (Canada).
Morcous, G S L (2000) Case -based reasoning for modeling bridge deterioration, Unpublished PhD Thesis, , Concordia University (Canada).
Ravi, M (1998) Knowledge-based system approach to integrated design of multistorey office buildings at the preliminary stage, Unpublished PhD Thesis, , Concordia University (Canada).
Sadeghpour, F (2004) A CAD-based model for site layout, Unpublished PhD Thesis, , Concordia University (Canada).
Shehab-Eldeen, T (2002) An automated system for detection, classification and rehabilitation of defects in sewer pipes, Unpublished PhD Thesis, , Concordia University (Canada).