Dispatching ready mixed concrete trucks under demand postponement and weight limit regulation

Pei Chun Lin, Jenhung Wang, Shan Huen Huang, Yu Ting Wang

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


This study formulates the dispatching operations of ready mixed concrete (RMC) trucks as a job shop problem with recirculation, which includes time windows and demand postponement, as well as the external cost of transport, in a multi-objective programming model. This investigation divides factors that affect truck dispatching of RMC plants into intrinsic and imposed constraints, where intrinsic constraints refer to limits that must be satisfied during the concrete distribution process; imposed constraints are those that should be fulfilled to the greatest extent possible during dispatching. The results will help concrete plant dispatchers of small to medium-sized enterprises (SMEs) determine a cost effective and reliable day-to-day distribution scheme and achieve better customer service. This work contributes to both modeling and dispatching operations of RMC trucks as a job shop problem by applying optimization tools that enable RMC SMEs to detect and subsequently take advantage of opportunities that may exist for improving daily operation efficiency.

Original languageEnglish
Pages (from-to)798-807
Number of pages10
JournalAutomation in construction
Issue number6
Publication statusPublished - 2010 Oct

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Civil and Structural Engineering
  • Building and Construction


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