01353812

Component

https://doi.org/10.3141/2226-07

http://scholar.google.com...nger&publication_year=2011

Faulting is associated with many design- and performance-related factors of concrete pavement, such as traffic load, joint spacing, load transfer, drainage, subbase friction, and subbase erodibility. Subbase erosion is especially key to an understanding of the process of faulting distresses in jointed concrete pavement. However, subbase erosion has not been included explicitly in design-related analysis. As a consequence, design procedures have lacked a prerequisite sensitivity because of a lack of laboratory test procedures and material parameters to relate model prediction to subbase erosion performance. This paper presents a mechanistic–empirical faulting model. It is calibrated from the results of a new erosion test that involves the Hamburg wheel-tracking device and Long-Term Pavement Performance (LTPP) data. The calculated faulting depths from the proposed model match well with the trends of observed LTPP field faulting data.

01353811

11-3492

English

pp 60-70

2011

Transportation Research Record: Journal of the Transportation Research Board

9780309167369

Print

Figures (9) ; Photos (4) ; References (12) ; Tables (4)

Calibration; Concrete pavements; Erosion; Laboratory tests; Mathematical models; Mechanistic-empirical pavement design; Pavement distress; Subbase (Pavements)

Hamburg Wheel Tracking Device; Long-Term Pavement Performance Program

Faulting (Pavements)

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

TRIS, TRB, ATRI

Oct 17 2011 4:37PM

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• Toward Implementation of the "Mechanistic–Empirical Pavement Design Guide" in Latin America: Preliminary Work in Chile