01656629

Component

https://doi.org/10.1177/0361198118758637

Transverse joint faulting is a common distress in bonded concrete overlays of asphalt pavements (BCOAs), also known as whitetopping. However, to date, there is no predictive faulting model available for these structures. To account for conditions unique to BCOA, a computational model was developed using a three-dimensional finite element program, ABAQUS, to predict the response of these structures. The model was validated with falling weight deflectometer (FWD) data from existing field sections at the Minnesota Road Research Facility (MnROAD) as well as at the University of California Pavement Research Center (UCPRC). A large database of analyses was then developed using a fractional factorial design. The database is used to develop predictive models, based on artificial neural networks (ANNs), to rapidly estimate the structural response at the joint in BCOA to environmental and traffic loads. The structural response will be related to damage using the differential energy concept. Future work includes the implementation of the developed ANNs in this study into a faulting prediction model for designing BCOA.

18-06069

English

pp 360-370

2018-12

Transportation Research Record: Journal of the Transportation Research Board

Print

Figures (6) ; References (27) ; Tables (4)

Asphalt pavements; Mathematical models; Mathematical prediction; Neural networks; Whitetopping

ABAQUS (Computer program)

Bonded concrete overlays; Structural response; Transverse joint faulting

Highways; Pavements

TRIS, TRB, ATRI

Dec 22 2017 10:40AM

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