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FDOT Asphalt Paving Level 1 Questions & answers
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FDOT Asphalt Paving Level 1 Questions & answers
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FDOT Asphalt Paving Level 1S to N - ANS-Downstation
W to E - ANS-Downstation
Stationing - ANS-Starts at 0+00
Stationing Measurement - ANS-1+00 is 100 feet
Straight Edge is the - ANS-Measurement of Pavement smoothness with a 15 foot 4.573
m rolling straightedge
Straight Edge is used to - ANS-identify problems
Random sampling - ANS-Are random numbers generated usually by a VT for cores to
be extracted from the roadway
How often should you calibrate a Straight edge - ANS-Calibrate at the start of each
working period
Using the manual straight edge you find what kind of spot to place the rolling
straightedge? - ANS-Locate a flat area with the manual straightedge and place the
rolling straightedge next to the manual straightedge and the gauge should read 0
The 3/16 and the 3/8 shims go under which wheels during calibration - ANS-The outside
wheels to measure the low and the center to measure the high. Gauge should read 3/16
on the 3/16 shim and vice versa for the 3/8 shims. Make sure the center wheel moves
up and down freely.
Calibration materials for Straightedge - ANS-Rolling Straightedge
Manual Straightedge
Manual Measurement (ruler)
x4 3/16 shims 5mm thick
x4 3/8 shims 10mm thick
When to perform final straightedge - ANS-After an entire lane has been paved
, When to perform final straightedge - ANS-Pavement should be an ambient temperature
You cannot use the straightedge until it has been properly - ANS-calibrated
When performing the straightedge procedure - ANS-Maintain proper traffic management
and safety
Cross slopes can be either done - ANS-Manually or with a smart level
When using a manual cross slope you first - ANS-Place a simple level on pavement
After placing the simple level on the pavement then you - ANS-Raise the down end of
the level until it is level (bubble center)
After the simple level is lifted until it is level you measure what - ANS-The length of the
simple level and the height between the (previously down) end of the level to the
pavement
Formula to calculate the manual cross slope - ANS-Calculate the slope using the
formula
( h / l ) x 100 = slope %
Requirements for the rolling Straightedge - ANS-Must have a read out gauge, kept
clean and in working order, low and high reading, and marks to the nearest 1/16 (1mm)
Rolling Straightedge pulled at - ANS-3 to 5mph or less
Deficiencies pointed out with rolling straightedge you should first - ANS-Mark the
pavement at the center wheel where the needle initially shows a deficiency and where is
ends. Also record location and measurements of deficiency.
Core sampling is used for - ANS-testing density
and permeability
Core sampling equipment - ANS-Concrete saw
Diamond bit core drill
Size of core depends on test
Ice chest (Optional)
Ice (Optional)
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