Asphalt Bundled Exams with Complete Solution | Verified | Guaranteed Success Updated & Verified | 2024

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...

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...

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...

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...

From a fatigue perspective, the asphalt cement content should be minimized. - FALSE Stiffness of asphalt concrete increases with decreasing the frequency of loading - FALSE Performance grading requires that the measured properties of asphalt cements meet a specific maximum or minimum limit at a s...

What procedure is used to sample bituminous materials? - GSP 10 What procedure is used to sample hot mix asphalt mixtures from full trucks, roadways, or occasionally partially loaded trucks? - GSP 15 How do you take a HMA sample from a truck? - Shovel off about 60% of the cone and go atleast 6 i...

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...

AASHTO R-66 Definition - Liquid asphalt MATERIALs include Asphalt Binder/Asphalt Cement and Asphalt Emulsion AASHTO R-97 Definition - Asphalt MIXTURES include concrete or Hot Mix Asphalt (HMA) Asphalt Binder - -Asphalt cement -High viscosity at ambient temperatures -Upon heating, becomes liquid...

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 ...

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

How are Natural Asphalts formed? - When crude petroleum oils rose to the earths surface and formed pools, The action of the sun and wind drove off the lighter oils and gases, leaving a heavy residue. What are the differences in asphalt and tar? - Asphalt- a dark brown black cementitious material,...

What makes up a quality asphalt mixture? - A quality asphalt mixture is determined by the constructability, if it conforms to Specifications, and if it satisfies functional requirements. CQC - contractor quality control Superpave - Asphalt mix design system since 1998 QCP - Quality control plan ...