The U.S. Air Force has a large number of bituminous airfield pavements A major concern is increased susceptibility to raveling under traffic as the pavements age. Relative to this is the instance where a seldom-used airfield pavement suddenly receives an increase in traffic as the result of a change in mission requirements Therefore, a material that could be easily and economically applied to aged pavement surfaces, to hold the existing surface structure in place, would be of great value Asphalt Systems Incorporated (ASI) has developed an emulsified bituminous product called Runway Preservation System (RPS) This material is intended as a pavement seal coat material for use on raveling airfield pavements The pavement surface is normally sanded immediately after application of the emulsion The ASI-RPS sealer has been successfully placed on over 60 general aviation airfields since 1990 It has been used at Portland International Airport (PDX), Portland, OR, since 1992 Tests at PDX and other locations have shown that the ASI-RPS does not have an adverse effect on skid resistance. The overall objective of this research effort was to quantify, through field and laboratory testing, the various engineering characteristics required of ASI- RPS to be an effective pavement sealer The specific objective of the proposed work plan was to evaluate the effectiveness of the ASI-RPS as a sealer for airfield pavements on both low- and high-speed areas and its impact on pavement skid resistance.
Evaluation of Runway Preservation System
2003
29 pages
Report
Keine Angabe
Englisch
Air Transportation , Adhesives & Sealants , Civil Engineering , Construction Equipment, Materials, & Supplies , Aging(Materials) , Pavements , Landing fields , Sealing compounds , Test and evaluation , Asphalt , Endurance(General) , Air force facilities , Preservation , Runways , Bituminous coatings
Comparing asphalt preservation products on a grooved runway
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