Means and method for soil testing

Details Means and method for soil testing Means and method for soil testing

1983-02-22

1984-11-06

Ciarlante, Anthony V.

Measuring and testing

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

Earth stresses

73843, 73845, G01N 300

Patent

active

044804814

ABSTRACT:
An inexpensive device which is easily operated to accurately measure the Coulomb parameters of the soil. The Coulomb parameters are used in Coulomb's equation to calculate the shearing stresses along a failure surface of the soil. The device includes an instrument to test soil shear strength to which several weights have been added. To obtain the Coulomb parameters, the instrument is placed on the soil to be tested and weights are incrementally added to it. The instrument is rotated at each weight increment and the shearing stresses are read from its calibrated dial. The stresses are plotted on a graph from which the Coulomb parameters are determined. The shearing stress of the soil with any known force applied to it can then be determined.

REFERENCES:
patent: 3116633 (1964-01-01), Cohron
patent: 3364734 (1968-01-01), Wilson
patent: 3465576 (1969-09-01), Spanski
patent: 3797301 (1974-03-01), Hawes

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