United States Department of Transportation
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TRIS Online Accession Number:00210420
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Abstract:This is Part II of a two-part final report on the evaluation of the physical properties and the use of expanded clay aggregate in bituminous hot mix construction. Part II of this final report is solely concerned with the measured skid resistance of the control and test sections over a 48-month period. The control and the test sections were constructed in January, 1968, on State Project 8-30-20, Federal Aid Project F-169(25) on Louisiana U.S. 190 (Livonia - Elliot City Highway). These test and control sections consisted of 20 sections, each approximately 0.5 mile in length. Four of these sections were control sections utilizing a crushed gravel hot mix. The remaining 16 test sections incorporated expanded clay as the coarse aggregate in the hot mix in lieu of the crushed gravel. The test sections were varied in percentages of expanded clay, mineral filler, sand and asphalt cement.
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