5. Use data from falling weight deflectometer
ing of initial pavement design modeling: Minne-
tests on Mn/ROAD to estimate pavement perfor-
sota Road Research Project. USA Cold Regions
mance on an annual basis.
Research and Engineering Laboratory, CRREL
6. The Procedure should be used to estimate
Report 96-14, Mn/DOT Report 96-23.
performance of all of the test sections. This study
Bush, A. (1980) Non-destructive testing for light
evaluated less than one-half of the sections.
aircraft pavements. USAE Waterways Experiment
Station, Vicksburg, Mississippi, sponsored by the
Federal Aviation Administration.
CONCLUSIONS*
Chamberlain, E., T.C. Johnson, R.L. Berg and
D.M. Cole (in prep.) Prediction of pavement be-
The range of values produced for the various
havior under loading during freezing and thaw-
scenarios is, as noted, extremely wide. This leads
ing. USA Cold Regions Research and Engineer-
to the conclusion that mechanistic design in its
ing Laboratory, CRREL Report.
present stage, while a powerful predictor of
Chou, Y.T (1989) Development of failure criteria
changes in pavement response with changes in
of rigid pavement thickness requirements for mili-
loads or moduli, is at present an uncertain predic-
tary roads and streets, elastic layered method.
tor of pavement performance. Data and analyses
USAE Waterways Experiment Station, Vicksburg,
from Mn/ROAD are crucial to improving that cur-
Mississippi, Miscellaneous Paper GL-89-9.
rent uncertain state of performance prediction.
Cole, D., D. Bently, G. Durell and T. Johnson
(1986) Resilient modulus of freeze-thaw affected
granular soils for pavement design and evalua-
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tion, Part 1. Laboratory tests on soils from
Winchendon, Massachusetts, test sections. USA
The Asphalt Institute (1982) Research and de-
Cold Regions Research and Engineering Labora-
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tory, CRREL Report 86-4.
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Maryland. Research Report No. 82-2.
(1987) Resilient modulus of freeze-thaw affected
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(1993) Mathematical model of frost heave and
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Report 81-2.
comm. 1994.
35
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