Microsurfacing (2010) / Chapter Skim
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From page 10... ...
11 INTRODUCTION This report is the result of a comprehensive literature review, a survey of both U.S. and Canadian public highway agencies, a content analysis of DOT microsurfacing specifications, and case studies of DOT-specific experiences with microsurfacing.
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From page 11... ...
Minnesota DOT Agency has robust internal microsurfacing research program, including trials of softer binders to reduce cracking. Oklahoma DOT Agency has 9-year field performance monitoring program and an ongoing rigorous field test that focuses on microsurfacing skid resistance and macrotexture.
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From page 12... ...
The study found no specific information as to why microsurfacing constitutes such a small percentage of the typical agency's pavement preservation and maintenance program. However, a check of the bid tabulations for a May 2010 letting by the Utah DOT shows roughly equivalent quantities of microsurfacing and chip seal being bid at $2.07 per square yard and $1.72 per square yard, respectively, roughly a 20% difference in price.
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