Results 211 to 220 of about 3,072 (261)
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Automatic inspection of pavement cracking distress
SPIE Proceedings, 2005We present an image processing algorithm customized for high-speed, real-time inspection of pavement cracking. In the algorithm, a pavement image is divided into grid cells of 8×8 pixels, and each cell is classified as a noncrack or crack cell using the grayscale information of the border pixels. Whether a crack cell can be regarded as a basic element (
Yaxiong Huang, Bugao Xu
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Prevention of Cracks in Pavements. Achievements and Open Questions
Road Materials and Pavement Design, 2005RILEM Technical Committees have been active since more than 15 years on the prevention of Reflective Cracking in Pavements. Papers published over that period in the proceedings of four RILEM international conferences devoted to this topic constitute an unmatched source of information for highway engineers.
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Accelerated pavement testing and modeling of reflective cracking in pavements
Engineering Failure Analysis, 2007Abstract In the field of reflective cracking initiation and propagation in pavement structures, an Accelerated Pavement Testing (APT) has been developed. The numerical method is also supported. Numerical results obtained by calculations made with the finite element CESAR-LCPC software are then compared with the experimental data.
Perez, Sergio A +3 more
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Prediction of Pavement Crack Initiation from In-Service Pavements
Transportation Research Record: Journal of the Transportation Research Board, 2005It is widely accepted that the success of pavement management systems largely depends on the quality of the deterioration models embedded in their structure. As such, much research has concentrated on developing a large array of approaches to model and predict pavement distress and deterioration.
Andreas Loizos, Matthew G. Karlaftis
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1979
Cracking of portland cement concrete pavements is a common, even expected, occurrence. To minimize potentially detrimental effects, it is necessary to understand mechanisms that might be used to explain such behavior so that measures may be developed and implemented to control the occurrence of such cracking. Several "theories" are discussed that might
Deen, Robert C. +3 more
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Cracking of portland cement concrete pavements is a common, even expected, occurrence. To minimize potentially detrimental effects, it is necessary to understand mechanisms that might be used to explain such behavior so that measures may be developed and implemented to control the occurrence of such cracking. Several "theories" are discussed that might
Deen, Robert C. +3 more
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2008
Internationally, much attention is given to causes, prevention, and rehabilitation of cracking in concrete, flexible, and composite pavements. The Sixth RILEMInternational Conference on Cracking in Pavements (Chicago, June 16-18, 2008) provided a forum for discussion of recent developments and research results.This book is a collection of papers ...
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Internationally, much attention is given to causes, prevention, and rehabilitation of cracking in concrete, flexible, and composite pavements. The Sixth RILEMInternational Conference on Cracking in Pavements (Chicago, June 16-18, 2008) provided a forum for discussion of recent developments and research results.This book is a collection of papers ...
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Cracking in pavements: nature and origin of cracks
2004Pavements and, more generally speaking, road structures are made up of materials varying very widely both in nature and in properties (unbound aggregates, bitumen-bound materials, materials treated with cementitious binders,…). All these structures are liable to fracture by many causes, giving rise to cracks of highly different shapes and natures. As a
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‘The Hidden Life of a Pavement Crack’
JAWS: Journal of Arts Writing by Students, 2022These are a few of the infinite numbers of stories that were documented and analysed during a six-month observation of a single overlooked ecosystem and the connection it has to us and its surroundings. They are the stories of a single London pavement crack.
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Cracking Mechanism of Flexible Pavements
Transportation Engineering Journal of ASCE, 1972THE PAPER DEALS WITH THE CRACKING OF FLEXIBLE PAVEMENTS CAUSED BY SHRINKAGE DUE TO DRYING OF THE SUBGRADE. A CRACKING MECHANISM IN PAVEMENTS IS PROPOSED, BASED ON THE PRINCIPLE THAT CRACKS FIRST APPEAR IN THE SUBGRADE AND ARE AFTERWARDS REFLECTED THROUGH THE ASPHALTIC LAYER.
Jacob Uzan +2 more
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Fatigue Crack Growth in Pavements
Journal of Transportation Engineering, 2000A common laboratory fatigue test for life estimation of pavements uses a repeated load flexural device with nonlayered beam specimens. As a result of such factors as traffic wander, and also due to different crack growth rates between such beam specimens and layered media, highway pavements have been found to sustain from 10 to 100 times the number of ...
M. A. Castell +2 more
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