Introduction to asphalt-rubber pavement noise reducing characteristics

George B. Way, Douglas D. Carlson, Jorge B. Sousa, Kamil Kaloush, Krishna P. Biligiri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

Freeway noise in the United States of America (USA) has been greatly alleviated by employing 25 mm open graded Asphalt-Rubber Friction Course (ARFC). The use of asphaltrubber (AR) pavements in the USA has been successful in several states. AR binder used in the hot mix asphalt is a mixture of 80 percent hot asphalt (bitumen), and 20 percent ground scrap tyre crumb rubber by weight of asphalt. The resultant AR binder mixture is added hot to a hot open graded mineral aggregate to produce ARFC mixture as the final wearing course of the pavement structure. Typically, the ARFC mixes contain 9 to 10 percent AR binder and their use has been primarily focused on reducing thermal and reflective cracking, and highway noise. This paper discusses the benefits of ARFC as a pavement noise mitigation strategy. The paper reviews the experience in the USA with using AR pavements to reduce the pavement noise by 3-12 decibels (dB). In addition, sound intensity measurements taken close to the tyre/pavement interface have shown that ARFC surfaces are effective in reducing noise by 4 to 6 dB compared with traditional dense graded asphalt concrete, and by 6 to 12 dB compared to cement concrete surfaces. In addition, AR has been successfully utilized in the mitigation of daily thermal variances in Portland Cement Concrete pavements, improved skid resistance, reduced roughness, and reduction of emission rates of tyre wear per km driven.

Original languageEnglish (US)
Title of host publication39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010
Pages7408-7417
Number of pages10
Volume9
StatePublished - 2010
Event39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010 - Lisbon, Portugal
Duration: Jun 13 2010Jun 16 2010

Other

Other39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010
CountryPortugal
CityLisbon
Period6/13/106/16/10

Fingerprint

asphalt
pavements
rubber
friction
tires
cements
scrap
sound intensity
roughness
minerals

Keywords

  • Asphalt rubber
  • Asphalt rubber friction course
  • Pavement noise

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Way, G. B., Carlson, D. D., Sousa, J. B., Kaloush, K., & Biligiri, K. P. (2010). Introduction to asphalt-rubber pavement noise reducing characteristics. In 39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010 (Vol. 9, pp. 7408-7417)

Introduction to asphalt-rubber pavement noise reducing characteristics. / Way, George B.; Carlson, Douglas D.; Sousa, Jorge B.; Kaloush, Kamil; Biligiri, Krishna P.

39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010. Vol. 9 2010. p. 7408-7417.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Way, GB, Carlson, DD, Sousa, JB, Kaloush, K & Biligiri, KP 2010, Introduction to asphalt-rubber pavement noise reducing characteristics. in 39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010. vol. 9, pp. 7408-7417, 39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010, Lisbon, Portugal, 6/13/10.
Way GB, Carlson DD, Sousa JB, Kaloush K, Biligiri KP. Introduction to asphalt-rubber pavement noise reducing characteristics. In 39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010. Vol. 9. 2010. p. 7408-7417
Way, George B. ; Carlson, Douglas D. ; Sousa, Jorge B. ; Kaloush, Kamil ; Biligiri, Krishna P. / Introduction to asphalt-rubber pavement noise reducing characteristics. 39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010. Vol. 9 2010. pp. 7408-7417
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