Pavement material database - a tool to facilitate implementation of the new M-E pavement design guide

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ConferenceTransportation Association of Canada Annual Meeting: 17 September 2006, Charlottetown, P.E.I.
Pages116; # of pages: 16
AbstractThis paper describes a proposal for using generic mechanistic material properties to perform design based on level 1 for AC and level 3 for unbound materials. These properties include the dynamic modulus of typical HMA mixes prepared according to a local standard and the resilient modulus of commonly used unbound materials (granular aggregates). Preliminary results indicate that the proposed approach is more reliable and results in lower design errors compared with the process incorporated in the current version of the M-E guide. The generic properties may be used to expedite implementation of the M-E guide in Canada until adequate mechanical testing capabilities are established. The generic pavement material properties produced at NRC are now stored in a database ?Material Library?, which could be further populated using results from new tests that cover a wider range of material and construction variables; mainly to reduce the margin of error. The proposed database will not only provide the input properties needed for applying the M-E design model but will also support tasks associated with the calibration of the M-E component used to predict performance to make the model more sensitive to unique local conditions and construction practices.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number49214
NPARC number20377895
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Record identifier900a3422-2bc2-4b45-945b-6fdc069d8745
Record created2012-07-24
Record modified2016-05-09
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