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Shrinkage limit and mercury-less

Shrinkage limit and mercury-less

Shrinkage limit and mercury-less

(OP)
It seems I saw a thread dealing with a substitute for mercury for the shrinkage limit test.

Can't find it.

Any ideas?

RE: Shrinkage limit and mercury-less

I can't recall when (probably > 1 year ago), the context of the question, etc., but I asked if anyone even does shrinkage limits nowadays with so much concern about safety with mercury.  I believe it was Big H who replied saying that there is now an ASTM std for doing it with wax.  My guess is that the dried sample is soaked in melted wax, so it won't fall apart when put into water to measure the displaced volume.

Regards,
DRG

RE: Shrinkage limit and mercury-less

ASTM D 4943 Standard Test Method for Shrinkage Factors of Soils by the Wax Method

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