Performance of Fuel-Resistant Sealers for Asphalt Concrete Pavements
by James E. Shoenberger, (Civ. Engr., CEWES-GP-Q, U.S. Army Engr. Waterways Experiment Station, 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199)
Journal of Materials in Civil Engineering, Vol. 6, No. 1, February 1994, pp. 137-149, (doi: http://dx.doi.org/10.1061/(ASCE)0899-1561(1994)6:1(137))
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Journal Paper |
| Abstract: |
In many pavement applications, asphalt concrete is exposed to damage from fuel spills or drippage. A fuel-resistant sealer (FRS) is often required to protect the asphalt concrete pavement from possible damage. Coal-tar emulsion mixtures with an aggregate added to provide for skid resistance is commonly used to protect the pavements. These mixtures or sealers often contain additive materials designed to improve sealer performance. The development of fuel-resistant sealers and various additives and their effects on the performance of the sealers are discussed. Also discussed are procedures normally used for mixing and applying the sealers, materials, and proportioning and construction practices that can affect the field performance of these sealers. Recent research financed by several government agencies has sought improved methods for specifying and testing coal-tar sealer mixtures. The methods currently used for specifying and testing these mixtures and the needs of user agencies are discussed. |
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