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原文传递 DESIGN AND CONSTRUCTION OF SEAL COATS. FINAL REPORT.

题名：	DESIGN AND CONSTRUCTION OF SEAL COATS. FINAL REPORT.
作者：	Wegman-D
关键词：	SEAL-COATS; PAVEMENT-LIFE; DESIGN-; CONSTRUCTION-; ALTERNATIVES-; ASPHALT-EMULSIONS
摘要：	In the past, the 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 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 this criterion. This paper covers the basic fundamentals and current practices of this 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 this technology. Additional information can also be obtained through the Mn/DOT Physical Research Office or the Mn/DOT Bituminous Office.
总页数：	1991/02. pp34 (Refs., 1 App.)
报告类型：	科技报告