Efficient Repetitive Scheduling for High-Rise Construction
Publication: Journal of Construction Engineering and Management
Volume 134, Issue 4
Abstract
A new scheduling and cost optimization model for high-rise construction is presented in this paper. The model has been formulated with a unique representation of the activities that form the building’s structural core, which need to be dealt with carefully to avoid scheduling errors. In addition, the model has been formulated incorporating: (1) the logical relationships within each floor and among floors of varying sizes; (2) work continuity and crew synchronization; (3) optional estimates and seasonal productivity factors; (4) prespecified deadline, work interruptions, and resource constraints; and (5) a genetic algorithms-based cost optimization that determines the combination of construction methods, number of crews, and work interruptions that meet schedule constraints. A computer prototype was then developed to demonstrate the model’s usefulness on a case study high-rise project. The model is useful to both researchers and practitioners as it better suits the environment of high-rise construction, avoids scheduling errors, optimizes cost, and provides a legible presentation of resource assignments and progress data.
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Information & Authors
Information
Published In
Journal of Construction Engineering and Management
Volume 134 • Issue 4 • April 2008
Pages: 253 - 264
Copyright
© 2008 ASCE.
History
Received: May 17, 2007
Accepted: Oct 2, 2007
Published online: Apr 1, 2008
Published in print: Apr 2008
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