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Construction rescheduling based on a manufacturing rescheduling framework
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DOI：10.1016/j.autcon.2009.02.002.png)
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Abstract
En 中文
Changes during project execution frequently require schedule updating and rescheduling. However. few studies have discussed rescheduling issues or implemented rescheduling solutions for construction projects. This study investigates resource-constrained construction rescheduling issues using concepts associated with manufacturing rescheduling. Based on an initial schedule and actual progress, a novel rescheduling optimization model using Constraint Programming (CP) techniques is developed to reschedule projects. Two rescheduling methods: (1) complete regeneration (CR): and, (2) partial rescheduling (PR) while minimizing overall project variation are implemented in the proposed model to demonstrate the model capability and applications. PR requiring additional treatments to decrease overall project variation is performed using a novel constraint-release mechanism. Finally, using a case study, optimization results obtained using two rescheduling methods are analyzed and discussed. (C) 2009 Elsevier B.V. All rights reserved.
Keywords:
Construction project scheduling
Resource-constrained project scheduling
Rescheduling
Constraint Programming
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