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Jar test
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Revision as of 19:16, 12 June 2018
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A simple jar test can be used to gauge the proportion of fines in an aggregate product before acceptance.
A simple jar test can be used to gauge the proportion of fines in an aggregate product before acceptance.
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Apparatus:
Apparatus:
*A large wide-mouthed jar - glass or clear plastic are both fine.
*A large wide-mouthed jar - glass or clear plastic are both fine.
*Tap water, and
*Tap water, and
*The aggregate to be tested.
*The aggregate to be tested.
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Method:
Method:
# Collect approximately 5 cm of material in the jar (or at least two complete layers of 40 mm clear stone),
# Collect approximately 5 cm of material in the jar (or at least two complete layers of 40 mm clear stone),
Jenny Hill
8,255
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