Evaluation of construction strategies for PCC pavement rehabilitation projects.
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2010-09-30
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Abstract:This study investigated project management level solutions to optimizing resources, minimizing costs
(including user costs) and time for PCC pavement rehabilitation projects. This study extensively
evaluated the applicability of the Construction Analysis for Pavement Rehabilitation Strategies
(CA4PRS) software program as a potential solution to achieve the goal. The usability of the CA4PRS
was assessed by conducting knowledge inventory surveys at GDOT and ODOT as well as conducting
four case studies. The pre and post knowledge inventory surveys indicated that there was a general
understanding that the CA4PRS could be used as an excellent tool to help decision makers effectively
plan PCC pavement rehabilitation projects. The four case studies indicated that, in addition to using the
CA4PRS, there should be further efforts in order to develop an effective construction plan for a PCC
pavement rehabilitation project. Some major recommendations are a) ODOT/GDOT must put efforts to
collect CA4PRS input data and develop a database for reliable analysis using the CA4PRS, b)
ODOT/GOT also need to use the CPM scheduling method and the CA4PRS together because the
current CA4PRS considers only six major activities in project scheduling, c) A simulation program such
as the Cyclone program can be used to determine the optimal number of resources of major activities.
Based on the findings of this study, this project has designed an improved planning procedure to find
the most efficient project phasing and closure scenario for PCC pavement rehabilitation projects. The
procedure involves a quantitative analysis on every potential project execution scenario using the
CA4PRS, the CPM method and a simulation tool.
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