01152497

Component

https://doi.org/10.3141/2153-11

http://scholar.google.com...Zhao&publication_year=2010

Transverse cracking is one of the major distresses in asphalt pavements. The objective of this research is to establish an effective evaluation method for transverse cracking in asphalt pavements on China’s freeways. Two single indicators are presented that assess the key properties of transverse cracking: transverse crack spacing and transverse crack width ratio. The transverse crack condition index (TCCI) is then developed as a comprehensive evaluation index of transverse cracking in this study. The feasibility of this evaluating method was checked with the analysis of field detection data from Wu Xuan freeway in Anhui Province and two other freeways in Jiangsu Province, China. Through the introduction of an expert evaluation, the TCCI was converted to a scale from 0 to 100, and the threshold value was confirmed. Furthermore, the corresponding maintenance treatment method was determined according to the different transverse cracking condition levels. The results showed that the TCCI can make a good assessment of transverse cracking in freeway asphalt pavements. The index value can be correlated with the actual condition of the pavement. Therefore, a scientific and rational evaluating method is established for transverse cracking on freeways.

01320944

10-2136

English

pp 97-105

2010

Transportation Research Record: Journal of the Transportation Research Board

9780309143004

Print

Figures (6) ; References (12) ; Tables (6)

Asphalt pavements; Condition surveys; Freeways; Pavement distress; Pavement maintenance; Pavement management systems; Transverse cracking

Pavement condition index

China

Highways; Maintenance and Preservation; Pavements; I61: Equipment and Maintenance Methods

TRIS, TRB, ATRI

Jan 25 2010 10:59AM

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