CEE381 exam 2 questions with verified
answers
Main sources of asphalt binder Ans✔✔✔-Natural deposits and petroleum
(manufactured)
Where are natural deposits found for asphalt binders Ans✔✔✔-lakes and rocks
What ingredient in the asphalt mix is not environmentally friendly Ans✔✔✔-
cutbacks
What's the heaviest to lightest binder mixtures Ans✔✔✔-residue
gas oil
kerosene
naphtha
vapor
What are the three main types of asphalt binders Ans✔✔✔-asphalt cement
asphalt emulsions
asphalt cutbacks
asphalt cement Ans✔✔✔-applied hot
semi-solid
mixed with aggregates
used in asphalt concrete, cracks, and joints
, additives are optional
Asphalt emulsions Ans✔✔✔-applied cold
water and emulsifying agents
Asphalt cutbacks Ans✔✔✔-applied cold
liquid blend of asphalt cement & solvents
Type of asphalt preservation Ans✔✔✔-prime and track coat
fog seal pavement
slurry or chip seal pavement
What is the behavior of asphalt cement Ans✔✔✔-visco-elastic
Why does the behavior of asphalt cement change Ans✔✔✔-with temperature
and speed
Asphalt behavior: stiff and elastic Ans✔✔✔-low temperature
fast speed
Asphalt behavior: soft and viscous Ans✔✔✔-high temperature
slow speed
3 asphalt distresses Ans✔✔✔-rutting
fatigue cracking
answers
Main sources of asphalt binder Ans✔✔✔-Natural deposits and petroleum
(manufactured)
Where are natural deposits found for asphalt binders Ans✔✔✔-lakes and rocks
What ingredient in the asphalt mix is not environmentally friendly Ans✔✔✔-
cutbacks
What's the heaviest to lightest binder mixtures Ans✔✔✔-residue
gas oil
kerosene
naphtha
vapor
What are the three main types of asphalt binders Ans✔✔✔-asphalt cement
asphalt emulsions
asphalt cutbacks
asphalt cement Ans✔✔✔-applied hot
semi-solid
mixed with aggregates
used in asphalt concrete, cracks, and joints
, additives are optional
Asphalt emulsions Ans✔✔✔-applied cold
water and emulsifying agents
Asphalt cutbacks Ans✔✔✔-applied cold
liquid blend of asphalt cement & solvents
Type of asphalt preservation Ans✔✔✔-prime and track coat
fog seal pavement
slurry or chip seal pavement
What is the behavior of asphalt cement Ans✔✔✔-visco-elastic
Why does the behavior of asphalt cement change Ans✔✔✔-with temperature
and speed
Asphalt behavior: stiff and elastic Ans✔✔✔-low temperature
fast speed
Asphalt behavior: soft and viscous Ans✔✔✔-high temperature
slow speed
3 asphalt distresses Ans✔✔✔-rutting
fatigue cracking
