Sampling Paving Mix and Stockpiles
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1
For Roadway
what type of shovel must be used when collecting a road sample?
what type of shovel must be used when collecting a road sample?
square nose or a template
2
when collecting a roadway sample, what must be included/exluded from the mix?
include: all fines , exclude: underlying material (do not disturb)
3
what makes for a good container for a roadway sample?
a non-absorbant & insulated container for transport
4
what is the final step for roadway samples, stockpiles and streams?
label the container (Material type, ID#, JMF, Date, Time and Location)
5
what does JMF mean?
Job Mix Formula (mix design)
6
before collecting sample from a stockpile, what must be done?
remove 4 inches from the surface of the stockpile step (the blacked out area)
7
what are needed to make a step in the stockpile?
a board and shovel
8
where should you collect at least 1 scoop from in a step on a stockpile?
top, middle, bottom
9
in a stockpile
how do you get your sample?
how do you get your sample?
combine the top, middle and bottom
10
when collecting from streams, how do you obtain your sample?
take 3 roughly equal parts from the chute bucket and combine