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Field Sampling and Testing of Asphalt Materials and Asphalt Mixtures with 100% Verified solutions| Graded A+ $13.24   Add to cart
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Field Sampling and Testing of Asphalt Materials and Asphalt Mixtures with 100% Verified solutions| Graded A+
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Field Sampling and Testing of Asphalt Materials and Asphalt Mixtures with 100% Verified solutions| Graded A+

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  • October 26, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • field sampling and testing of asphalt materials an

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  • FERPA
  • FERPA

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Field Sampling and Testing of Asphalt
Materials and Asphalt Mixtures with
100% Verified solutions| Graded A+
Sampling Location of Uncompacted Samples - ✔✔- Truck

transports -Roadway BEFORE compaction




Sampling Location of Core Samples - ✔✔-Roadway AFTER compaction




Location determined by HDOT personnel using "Random Sampling Method"




Steps for Sampling From Truck Transport - ✔✔1. Obtain approx. 4 equal increments, 1 from
each quadrant.

2. Obtain each increment from approx. 12 inches below the surface.

3. Combine increments to form sample.




Sampling from the Roadway BEFORE compaction STEPS - ✔✔- Sample the full depth of the material

-Take care to exclude any underlying material

-Obtain at least THREE increments and combine to form a single sample.




Note: If this method is used it should be done by the Contractor and witnessed by the Inspector




Steps for Sampling Using Plates - ✔✔1. Place 3 plates on the ground before paving.

, 2. After paver passes, remove the material from the plates.

3. Obtain one increment from each plate.




Note: The Contractor will remove the plates and patch each hole




Container used for DENSE GRADED MIXES (Nearly all the HMA mixes used by HDOT) - ✔✔Use
cardboard boxes or stainless steel bowls




Container used for OPEN GRADED MIXES (Hardly ever used by HDOT) - ✔✔Use stainless steel bowls




(NO cardboard boxes unless the material is cool)




Difference between Dense and Open Graded Mixes - ✔✔Open mixes contain larger sized
aggregate, which creates more air voids between the larger particles.




Open mixes need asphalt binder FIBERs




Sample/Container Identification - ✔✔- Project Name

-Sample Card Number

-Material

-Source

-Date Sampled

-Location

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