Soil plastic limit testing device

Details Soil plastic limit testing device Soil plastic limit testing device

1990-09-27

1991-07-02

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 308

Patent

active

050276603

ABSTRACT:
This invention is a box-like device to reproducibly roll a soil sample into a 1/8 inch thread while at the same time drying the sample and comprises a flat base with 1/8" high side rails and a slideable top plate that slides on these rails. About a 2 gram soil sample moistened so that particles of the soil adhere to each other is rolled on water absorbent paper on contact surfaces of the unit and at the point that sections of the rolled thread break apart the percent water is determined and this percentage is the soil plastic limit.

REFERENCES:
patent: 2259491 (1941-10-01), Roller
patent: 3443423 (1969-05-01), Lou Ma

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