SYMPOSIA PAPER Published: 01 January 1960
STP44314S

Ohio Adopts the One-Point Mechanical Method for Determining the Liquid Limit of Soils

Source

The Ohio State Highway Testing Laboratory has been making soil tests for the past 25 years, starting with a modest 117 samples in 1934 to 32,202 samples in 1958. For the first 21 years the hand method for determining the liquid limit was used; an experienced operator could perform 60 to 70 liquid and plastic limit tests in an 8-hr day. The drawback to the hand method was that a new operator needed a training period of as much as a week and even then some never became proficient. Also experienced operators had to test known samples periodically in order to check their ability.

Author Information

Joslin, J., G.
Ohio State Highway Testing Laboratory, Columbus, Ohio.
Davis, H., D.
Ohio State Highway Testing Laboratory, Columbus, Ohio.
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Details
Developed by Committee: D18
Pages: 178–182
DOI: 10.1520/STP44314S
ISBN-EB: 978-0-8031-5952-5
ISBN-13: 978-0-8031-6106-1