Asphalt Field Level I Test with 100% Verified solutions| Graded A+
Hierarchy of construction documents (least to most) - Standard drawings, Standard specs, Supplemental specs, Plans, Special provisions, Special provisions copied notes Which construction documents details approved additions and revisions to the standard spec - Supplemental specs This ensures an adequate bond between the existing pavement surface and the new asphalt overlay so that slippage and delamination do not occur - Tack coat Which tack coat can be used prior to May and after September? - Conventional Which tack coat can be used year round, and must be used from May through September? - Trackless What is the range of proper tack coat application? (in gal/yd^2) - .05 to .10 Proper tack coat will leave a residual asphalt cement content ranging from approximately...? (in gal/yd^2) - .04 to .06 Most asphalt emulsions contain __% to __% residual asphalt cement - 60, 65Most asphalt emulsions contain __% to __% water - 35, 40 When is a prime tack coat required? - When required by the contract What could cause poor bonding on an asphalt overlay on a milled pavement? - dirt, dust, scabbing Air blowing the surface, dampening/flushing surface with water, and sweeping with mechanical broom can all be used to..... - clean a milled surface
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- April 11, 2024
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- 4
- Written in
- 2023/2024
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- Exam (elaborations)
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