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Asphalt Chemistry - Bituminous material are *hydrocarbons* -very complex chemical composition that depends on the oil source and refining method -*Molecular structure is more important than composition* Asphalt types used in pavements - *Asphalt cement (asphalt binder)* -used for HMA(hot mixed a...

Flexible Pavement - surface made with hot mixed asphalt concrete Rigid pavement - surface made with portland cement concrete pavement - is a layering system that provides: -a strong structure to support loads -a smooth wearing surface -a skid resistant wearing surface -a durable under environm...

A full lot of super pave asphalt is what size? 1,000 tons 1,000 to 2000 tons 2000 to 4000 tons 1 days production - 2000 to 4000 tons Which is not typically used as an asphalt binder in fdot mix designs? PG 52-28 PG 58-22 PG 62-22 PG 76-22(PMA) PG 82-22 (PMA) - PG 62-22 Who cuts the densit...

Base Course - Layer or layers of specified material of designated thickness or rate of application based on a subbase or subgrade to support the subsequent layers Bridge - Over a depression; longer than 20' The subgrade is the top _______ of roadbed upon which the pavement structure and shoulder...

Asphaltic concrete - A composite material that is prepared in a hot-mix plant and used for construction of highway, parking lot, or airfield pavements capable of supporting high traffic volumes and axle loads. Automatic screed controls - A system that overrides the self-leveling action of the asp...

The three levels of misconduct are... - Neglect, Abuse, Breach of trust Define Neglect - unintentional deviations from testing procedures or specs. Define Abuse - Careless or deliberate deviations from procedures or specs. Define Breach of Trust - Falsification of records or not reporting Imprope...

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 ...

Asphalt is following type of material: A. Elastic B. Viscous C. Viscoelastic D. Plastic - C. Viscoelastic How compaction density of asphalt is monitored during construction? A. Collecting samples and testing in lab B. Using nuclear density gauge C. Using infrared camera D. none of the above...

What is asphalt? - generally a by-product of petroleum distillation; a complex hydrocarbon; soluble in petroleum products; can be naturally-occuring What is tar? - generally a by-product of coal production; resistant to petroleum products How can a source of asphalt be identified? - by solubility...