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Volume 46, Issue 5 (January 2018)
Using a Polymer-Based Sealant Material to Make Crack Repair of Asphalt Pavement
(Received 18 January 2017; accepted 12 April 2017)
Published Online: 02 January 2018
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One polymer-based sealant was used for crack repair in asphalt pavement. The properties of the sealant were introduced. Flexure bending tests and slant shear tests were conducted to evaluate the bonding performance of the repaired specimens at different temperatures. The results of the flexure bending test showed that there was satisfactory bonding performance between asphalt concrete and the sealant material, especially at low temperatures (0°C~5°C). The shear strengths of the repaired samples from the slant shear test were all greater than the controlled specimens, indicating that there was a sufficient bonding between the asphalt mixture and the sealant material. For the repaired specimens, brittle failure occurred at low temperatures, whereas viscoelastic failure at high temperatures occurred in the asphalt concrete substrates. Field application of the sealant showed the satisfactory bonding behavior between the sealant and the asphalt concrete substrates.
School of Civil Engineering & Mechanics, Central South University of Forestry and Technology, Changsha, Hunan
The Urban Construction and the Water Authority, Sanshui District, Foshan, Guangdong
School of Civil Engineering, Central South University, Changsha, Hunan
Department of Civil and Environmental Engineering, The University of Tennessee, Knoxville, TN
Stock #: JTE20170041
Title Using a Polymer-Based Sealant Material to Make Crack Repair of Asphalt Pavement