Assessment techniques to determine pavement damage due to heavy loading.

Author(s)
Hein, D.K. & Jung, F.W.
Year
Abstract

This paper was presented at the `Innovative life cycle costing analysis for pavement' session. These proceedings are available on CD-ROM. A rational test and evaluation procedure was developed to assess the load-carrying capability of flexible pavements (asphalt concrete surface over granular base/subbase) subjected to heavy loads from Oversize/Overweight Permit transport vehicles. A step-by-step method is described to evaluate pavements on designated Oversize/Overweight Permit routes, including the use of non-destructive Falling Weight Deflectometer load/deflection testing. The deflection test results are analyzed using a modified version of the PROBE software program to predict the pavement response (critical deflection) under the transport vehicle so that excessive deflection and ensuing pavement damage can be avoided. In addition, procedures are outlined to safeguard against localized and overall ground fracture under a single, and a large cluster of wheel loads, respectively. (A)

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Publication

Library number
C 12462 (In: C 12448 CD-ROM) /22 /31 / IRRD 490070
Source

In: Proceedings of the 1998 conference and exhibition of the Transportation Association of Canada TAC : theme `financing tomorrow's transportation systems', subtheme `safety', Regina, Saskatchewan, September 20 to 23, 1998, p. -

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