Vol. 5 Issue 2
Year: 2015
Issue: Mar-May
Title:PCI based Maintenance with Nonlinear Deterioration Rate
Author Name:Rafiqul A. Tarefder and Md Mostaqur Rahman
Synopsis:
In this study, maintenance solutions for 19 airport pavements in New Mexico are derived based on Pavement Condition Index (PCI) and nonlinear deterioration rate. In a Pavement Management System (PMS), PCI indicates the functional condition of the pavement. In this study, a specific maintenance treatment is applied when the PCI value of a pavement section reaches a minimum defined value or cutoff value. Using system dynamics modeling, modules to quantify the benefit and Life Cycle Cost (LCC) were developed and utilized to determine the relative benefit and life cycle treatment cost of a maintenance solution or treatment. This study indicates that airports with higher initial PCI have lower functional benefit and lower LCC for maintenance solutions of different PCI improvement or PCI rises. Benefit and cost are determined using two different system dynamic modules developed in Powersim and then benefit and cost are compared using developed design charts. Benefit cost ratio (BCR) design charts are capable of showing the BCR for airport pavements having initial PCI 30 to 80, cutoff-PCI 10 to 80 and rise 10 to 40. For PCI rise 30 and 40, initial PCI 60, 70 and 80 have shown almost the same BCR for a different cutoff-PCI.
Year: 2015
Issue: Mar-May
Title:PCI based Maintenance with Nonlinear Deterioration Rate
Author Name:Rafiqul A. Tarefder and Md Mostaqur Rahman
Synopsis:
In this study, maintenance solutions for 19 airport pavements in New Mexico are derived based on Pavement Condition Index (PCI) and nonlinear deterioration rate. In a Pavement Management System (PMS), PCI indicates the functional condition of the pavement. In this study, a specific maintenance treatment is applied when the PCI value of a pavement section reaches a minimum defined value or cutoff value. Using system dynamics modeling, modules to quantify the benefit and Life Cycle Cost (LCC) were developed and utilized to determine the relative benefit and life cycle treatment cost of a maintenance solution or treatment. This study indicates that airports with higher initial PCI have lower functional benefit and lower LCC for maintenance solutions of different PCI improvement or PCI rises. Benefit and cost are determined using two different system dynamic modules developed in Powersim and then benefit and cost are compared using developed design charts. Benefit cost ratio (BCR) design charts are capable of showing the BCR for airport pavements having initial PCI 30 to 80, cutoff-PCI 10 to 80 and rise 10 to 40. For PCI rise 30 and 40, initial PCI 60, 70 and 80 have shown almost the same BCR for a different cutoff-PCI.
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