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Reducing reflection cracking in asphalt pavements

Title: Reducing reflection cracking in asphalt pavements
Author(s): S. Shuler, D. Harmelink
Paper category : conference
Book title: Fifth International RILEM Conference on Reflective Cracking in Pavements
Editor(s): C. Petit, I.L. Al-Qadi and A. Millien
Print-ISBN: 2-912143-47-0
e-ISBN: 2912143764
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 451 - 458
Total Pages: 8
Nb references: 5
Language: English

Abstract: Six kilometers (3.7 miles) of 4-lane interstate highway near Colorado Springs, Colorado were rehabilitated by removing the upper surface of the existing pavement and replacing with new hot mix asphalt concrete. The project was unique because the contractor was responsible for various forms of pavement distress, including cracking, during the warranty period.The pavement contained approximately 100 severe transverse thermal cracks of 1 to 1.5 cm (0.4 to 0.6 inch) width per kilometer (0.6 miles) prior to rehabilitation. The contractor was responsible for repair of the new surface course if reflection of the old cracks occurred during the warranty period. Therefore, eighteen test sections were established within the project to evaluate the most cost effective solution to reduce reflective cracking. Eight experimental treatments and one control section were constructed with replication. These included routing and not routing the cracks and sealing with two types of crack sealer, two weights of geotextile, and two types of heavily reinforced tape systems.The rate of crack reflection has been measured each year since construction and documented. This report presents the results of this research after five years of pavement service and provides an economic analysis of the eight treatments with respect to reduction of crack reflection.

Online publication: 2004-04-15
Publication type : full_text
Public price (Euros): 0.00

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