TXDOT guidelines to assign PMIS treatment levels.
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2014-06-01
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Abstract:This report has been developed to provide TxDOT with guidelines to assign PMIS treatment levels for
asphalt and rigid pavements which include Preventive Maintenance (PM), Light Rehabilitation (LRhb),
Medium Rehabilitation (MRhb), and Heavy Rehabilitation (HRhb). The treatment level definitions were
presented as well as their respective construction projects and frequency of use by TxDOT. The work
treatments were defined with focus on the description, conditions for use, advantages, limitations, and
expected performance. A decision-support matrix is also included for asphalt and concrete pavements
with the aim of identifying the best treatment, based on the severity of existing distresses, traffic levels,
functionality of the road, and extent of surface imperfections. In the case of asphalt pavements, an
approach was presented to include available structural indices in the network-level decision making
process.
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