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Replacement for Granular Proctor?

Replacement for Granular Proctor?

Replacement for Granular Proctor?

(OP)
I've been out of the materials testing business for a few decades now and I am wondering if new research has been done to replace the Proctor lab test for granular soil compaction.  I seem to recall a maximum density shake table type test but never saw it widely adopted.  Anything new out there?

Cheers
cheers

RE: Replacement for Granular Proctor?

No.  The Proctor test is still widely used.  

The maximum density "shake" table you mention has been around for at least 50 years, but the procedure gives you a relative density value rather than a comparative, correlated lab standard for field comparison....stick with the Proctor.

RE: Replacement for Granular Proctor?

It's not only still used, but still taught: it's a standard part of any soil mechanics (and lab) course, I'm gearing up for both next semester.

ASCE is using a Proctor test as a student competition for our regional meeting.

It's a tribute to those who developed the core tests of our profession (Proctor, Casagrande, etc.) that these tests are still core to geotechnical practice.

http://www.pz27.net

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