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Title: Development of a reliability-based method for evaluating a pavement feature
Authors: Geotechnical Laboratory (U.S.)
U.S. Army Engineer Waterways Experiment Station
Grogan, William P.
Keywords: Allowable gross load
Allowable passes
Falling weight deflectometer
Impulse stiffness modulus
Nondestructive testing.
Pavements, Overlays
Reliability (Engineering)
Distribution (Probability theory)
Pavements, Performance
Runways (Aeronautics), Maintenance and repair
Pavement, Evaluation
Publisher: Geotechnical Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; GL-91-14.
Description: Technical report
Abstract: Nondestructive testing (NDT) is used to evaluate the structural capacity of in-place pavements. NDT is accomplished with the use of a falling weight deflectometer (FWD). The data obtained with the FWD are used to determine the modulus value of the layers in a pavement system. The modulus values are used to determine the structural capac~ty of the pavements in terms of allowable load, allowable passes, and overlay thickness requirements. Because NDT provides a means of rapidly testing a pavement, many tests are conducted on a pavement feature. Currently, the method for evaluating a pavement feature uses the mean NDT. This study was conducted to investigate the effect of using the mean NDT. The results of this investigation provide a statistical approach for evaluating a pavement feature using NDT procedures at a user-defined level of reliability.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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