01518134

Component

https://doi.org/10.3141/2441-03

http://scholar.google.com...remm&publication_year=2014

Pavement design has evolved from a purely empirical approach to a more mechanistic-based approach. One of the primary distresses considered when designing jointed plain concrete pavements is faulting. The development of faulting is largely a function of the load transfer efficiency at the joints. For undoweled joints, the load is primarily transferred through the aggregate interlock provided by the texture resulting from the meander in the transverse crack propagating off from the sawed joint. This paper shows how volumetric surface texture, a measurement of the surface texture at the crack face, can be used for this purpose. A method is presented for estimating the joint stiffness parameter, Jagg, required for the faulting prediction model incorporated into the AASHTOWare Pavement ME Design software based on the measured surface texture. This method allows the effects of aggregate size, type, and quantity to be captured and joint stiffness to be quantified when faulting is being predicted.

01547891

14-3593

English

pp 13–19

2014

Transportation Research Record: Journal of the Transportation Research Board

9780309295307

Print

Figures (10) ; Photos; References (14)

Concrete pavements; Cracking of concrete pavements; Interlocking aggregates; Load transfer; Mechanistic-empirical pavement design; Pavement joints; Stiffness; Texture

Load transfer efficiency

Design; Highways; Materials; Pavements; I22: Design of Pavements, Railways and Guideways

TRIS, TRB, ATRI

Jan 27 2014 3:14PM

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