Collaborative Scheduling of On-Site and Off-Site Operations in Prefabrication

Wei Chen, Ying Zhao, Yangqing Yu, Kaiman Chen and Mehrdad Arashpour
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Wei Chen: Department of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
Ying Zhao: Department of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
Yangqing Yu: Department of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
Kaiman Chen: Department of Art and Science, University of Toronto, Toronto, ON M5S 1A1, Canada
Mehrdad Arashpour: Department of Civil Engineering, Monash University, Melbourne, VIC 3800, Australia

Sustainability, 2020, vol. 12, issue 21, 1-21

Abstract: As a kind of sustainable technology, prefabricated construction has increasingly gained momentum internationally due to its numerous benefits that include, but are not limited to, safe construction, waste minimization, quality improvement, and productivity enhancement. However, productivity in this domain is reliant on the efficiency of both on-site and off-site operations. On this basis, focusing on collaborative scheduling mechanisms, the current paper develops a static scheduling model and a dynamic scheduling model in prefabricated construction, and uses a simulated annealing algorithm (SA) to settle the optimization of operation planning considering delays by risks. The developed models are validated using data from a construction project with multiple suppliers of prefabricated elements. This study contributes to the body of knowledge in prefabricated construction management by streamlining collaborative scheduling in prefabrication. The established models provide construction managers with decision support systems with the aims of minimizing delays and related cost overruns.

Keywords: collaborative scheduling; on-site; off-site; prefabricated construction; schedule optimization; simulated annealing algorithm (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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