Decision of mechanical allocation in subgrade earthwork construction under uncertainty Online publication date: Mon, 14-Oct-2019
by Bo Wang; Ying Wang; Li-jie Cui
International Journal of Information and Communication Technology (IJICT), Vol. 15, No. 3, 2019
Abstract: There are two common phenomena in a subgrade earthwork construction, one is the queuing problem caused by mechanical resource confliction, and the other is the hysteresis of construction schedule caused by uncertainties. These two phenomena will have a huge impact on the mechanical allocation. Based on the Petri net, queuing theory and uncertainty theory, we firstly establish the whole construction process model under uncertain conditions. Secondly, we solve the mechanical configuration problem according to a designed construction progress. Thirdly, we add some uncertain factors into the mechanical allocation. Finally, through a numerical application, we verify and compare the decisions above.
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