Asphalt Paving GC Exam |219
Questions with Answers
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 shoulders are constructed - -18"
- Do not use glass in the top _____ of the embankment - -18"
- Clear and grub minimum of ____ from each edge of proposed pavement
along both lanes and legs of interchange - -30'
- Where clearing and grubbing within the roadway is indicated at a bridge
site, clear by cutting all trees, stumps, etc. to within ______ of the ground or
to low water in the full width of the ROW for a distance of 75' beyond the
beginning and end of the proposed bridge - -8"
- Compact the subgrade between the lines ____ inches outside the area
occupied by the pavement structure, including C&G & SW to not less than
95% of max density - -18"
- Pulverize base course material so that the completion of the moist mixing
100% (by dry weight) passes the 1.5" sieve and a minimum of _____ passes
the #4 sieve, exclusive of gravel and stone retained on the sieve - -80%
- #4 sieve - -4.75 mm
- Ensure finished surface of base varies neither than 3/8" from a straight
edge 10' long when applied parallel to the CL of the rd, no more than ______
inch from the typical cross-section on the plans - -1/2"
- Thickness of completed modified base is measured at staggered intervals
not to exceed _____ feet in length for two-lane roads - -250'
- Use _______ in all base courses as an anti-stripping additive - -hydrated
lime
- Where plans required uniform thickness of base course and the contract
provides for pavement on sq yd bases, thickness of base course is
, determined from measurements taken of the completed base course at
intervals not exceeding _____ feet for two-lane roads - -500'
- For HMA, use aggregates with a combined specific gravity of _____ or less -
-2.90
- ON HMA use pneumo-rollers that are self propelled and have an effective
rolling width of not less than _______ - -60"
- Ensure intermediate rolling of HMA is completed before mat temp drops
below _____ - -175 degrees
- First step in applying asphalt surface treatment (single) - -Clean surface
- Last step in applying asphalt surface treatment (single) - -Remove excess
aggregate
- Spread aggregate for HMA within _____ feet of the application of the
emulsion - -200'
- Place asphalt surface treatment (double) within ____ days of the base
course being primed - -7
- When rolling aggregate applications for asphalt surface treatment (double)
on each trip of the roller, overlap prior by _____ the width of the roller - -1/2
- On portland cement pavement, position lower surface of preformed joint
filler on or below surface of base while upper surface is _____ inches below
surface of the slab - -1/2"
- When using surface vibrators on portland concrete, ensure frequency is not
less than ______ impulses per minute - -3500
- Construct subbase and base beneath concrete pavement to include area
_____ inches in width extending beyond edges to provide stability for paver
tracks - -18"
- Min. width of any reinforced concrete slab is ______ feet - -16'
- Max. length of any reinforced concrete slab is ______ feet - -20'
- Exclude all vehicle traffic from newly constructed concrete pavement for a
period of not less than ______ days - -14
- Finish joints should not deviate more than ____ inch in the horizontal
alignment from a straight line - -1/4"
Questions with Answers
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 shoulders are constructed - -18"
- Do not use glass in the top _____ of the embankment - -18"
- Clear and grub minimum of ____ from each edge of proposed pavement
along both lanes and legs of interchange - -30'
- Where clearing and grubbing within the roadway is indicated at a bridge
site, clear by cutting all trees, stumps, etc. to within ______ of the ground or
to low water in the full width of the ROW for a distance of 75' beyond the
beginning and end of the proposed bridge - -8"
- Compact the subgrade between the lines ____ inches outside the area
occupied by the pavement structure, including C&G & SW to not less than
95% of max density - -18"
- Pulverize base course material so that the completion of the moist mixing
100% (by dry weight) passes the 1.5" sieve and a minimum of _____ passes
the #4 sieve, exclusive of gravel and stone retained on the sieve - -80%
- #4 sieve - -4.75 mm
- Ensure finished surface of base varies neither than 3/8" from a straight
edge 10' long when applied parallel to the CL of the rd, no more than ______
inch from the typical cross-section on the plans - -1/2"
- Thickness of completed modified base is measured at staggered intervals
not to exceed _____ feet in length for two-lane roads - -250'
- Use _______ in all base courses as an anti-stripping additive - -hydrated
lime
- Where plans required uniform thickness of base course and the contract
provides for pavement on sq yd bases, thickness of base course is
, determined from measurements taken of the completed base course at
intervals not exceeding _____ feet for two-lane roads - -500'
- For HMA, use aggregates with a combined specific gravity of _____ or less -
-2.90
- ON HMA use pneumo-rollers that are self propelled and have an effective
rolling width of not less than _______ - -60"
- Ensure intermediate rolling of HMA is completed before mat temp drops
below _____ - -175 degrees
- First step in applying asphalt surface treatment (single) - -Clean surface
- Last step in applying asphalt surface treatment (single) - -Remove excess
aggregate
- Spread aggregate for HMA within _____ feet of the application of the
emulsion - -200'
- Place asphalt surface treatment (double) within ____ days of the base
course being primed - -7
- When rolling aggregate applications for asphalt surface treatment (double)
on each trip of the roller, overlap prior by _____ the width of the roller - -1/2
- On portland cement pavement, position lower surface of preformed joint
filler on or below surface of base while upper surface is _____ inches below
surface of the slab - -1/2"
- When using surface vibrators on portland concrete, ensure frequency is not
less than ______ impulses per minute - -3500
- Construct subbase and base beneath concrete pavement to include area
_____ inches in width extending beyond edges to provide stability for paver
tracks - -18"
- Min. width of any reinforced concrete slab is ______ feet - -16'
- Max. length of any reinforced concrete slab is ______ feet - -20'
- Exclude all vehicle traffic from newly constructed concrete pavement for a
period of not less than ______ days - -14
- Finish joints should not deviate more than ____ inch in the horizontal
alignment from a straight line - -1/4"
