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In the past, Minnesota Department of Transportation (Mn/DOT) has placed emphasis on improving the structural adequacy of many rural trunk highways. These improvements were usually made by plant mix bituminous overlays since seal coats do little or nothing to improve the structure of a roadway. Future emphasis will likely shift more toward prolonging the life of existing pavements. Seal coats provide an economical means of extending pavement life on roadways below 5000 average daily traffic (ADT). Research on the use of seal coats is warranted since 75% of Mn/DOT highway miles and virtually all county and municipal roadways fit the criteria. The paper covers the basic fundamentals and current practices of the technology in Minnesota along with several alternatives. Its main purpose is to provide recommendations for developing and implementing a seal coat program. The references identified in the bibliography are recommended for review by readers with limited knowledge of the technology. Additional information can also be obtained through the Mn/DOT Physical Research Office or the Mn/DOT Bituminous Office.
In the past, Minnesota Department of Transportation (Mn/DOT) has placed emphasis on improving the structural adequacy of many rural trunk highways. These improvements were usually made by plant mix bituminous overlays since seal coats do little or nothing to improve the structure of a roadway. Future emphasis will likely shift more toward prolonging the life of existing pavements. Seal coats provide an economical means of extending pavement life on roadways below 5000 average daily traffic (ADT). Research on the use of seal coats is warranted since 75% of Mn/DOT highway miles and virtually all county and municipal roadways fit the criteria. The paper covers the basic fundamentals and current practices of the technology in Minnesota along with several alternatives. Its main purpose is to provide recommendations for developing and implementing a seal coat program. The references identified in the bibliography are recommended for review by readers with limited knowledge of the technology. Additional information can also be obtained through the Mn/DOT Physical Research Office or the Mn/DOT Bituminous Office.
Design and Construction of Seal Coats
D. Wegman (author)
1991
32 pages
Report
No indication
English
Highway Engineering , Road Transportation , Transportation & Traffic Planning , Transportation , Sealers , Pavements , Road materials , Service life , Asphalts , Aggregates , Surface treatment , Pavement condition , Pavement overlays , Pavement surface texture , Pavement damage , Highway maintenance , Design , Construction
Field Manual on Design and Construction of Seal Coats
NTIS | 1981
|Synthetic Aggregate Seal Coats
NTIS | 1974
|Engineering Index Backfile | 1966
|Emulsified asphalt slurry seal coats
Engineering Index Backfile | 1956