WorksheetsQuality Control Measures in Asphalt Pavement Construction
Total questions: 10
Worksheet time: 3mins
Constant checking of bituminous mixture as it leaves the pugmill/central mixing plant for compliance with the job-mix formula is important. Hence, the tolerance temperature of asphalt mix is:
165 degree Celsius
110 degree Celsius
130 degree Celsius
120 degree Celsius
It is an assembly of mechanical and electronic equipment where aggregates, recycled materials, or other additives are blended, heated, dried, and mixed with a binder to produce an asphalt mixture meeting specified requirements.
Asphalt Batch-Type Mixing Plant
Asphalt Mixture Plant
Asphalt Drum-Type Mixing Plant
Portland Cement Concrete Mixture Plant
Quality asphalt pavement has:
Good design
Good quality of materials
Good construction control or workmanship
Good foundation
Good drainage
What is the required stability (index retain strength) of the asphalt mix when tested by AASHTO T165?
greater than or equal to 70
less than or equal to 70
greater than 70
less than 70
What are the basis of acceptance and final payment on the completed asphalt pavement?
thickness and strength determination
thickness and density determination
thickness determination only
density determination only
The variation of the surface from the testing edge (3-m straight edge) between contact with the surface shall ________.
exceed 6 millimeters
not exceed 6 millimeters
not exceed 8 millimeters
exceed 8 millimeters
The mixture shall be placed at a temperature ____________ as measured in the truck prior to dumping into the spreader.
not less than 107 degree Celsius
less than 107 degree Celsius
not less than 105 degree Celsius
less than 105 degree Celsius
If no core was taken at the end of each day’s operation and the project has already been completed, a core shall be taken for __________ of the completed pavement.
every 50 linear meters per lane
every 100 linear meters per lane
every 150 linear meters per lane
every 200 linear meters per lane
Test to determine the asphalt content in bituminous paving mixture:
Laboratory Density Test
Immersion-Compression Test
Grading Test
Extraction Test
Also known as as thermal cracking, occur roughly perpendicular to the centerline of the pavement or laydown direction.
Transverse Cracking
Linear Cracking
Fatigue Cracking
Slippage Cracking
