Measuring and testing – Hardness – By penetrator or indentor
Patent
1980-02-19
1982-02-16
Myracle, Jerry W.
Measuring and testing
Hardness
By penetrator or indentor
G01N 3324
Patent
active
043154298
ABSTRACT:
The method of determining the deformation characteristics of construction materials and soil includes placing a die of a predetermined diameter on a material being tested and subjecting this die to an increasing load. Owing to the deformation of the tested material, the die becomes displaced by a value equalling 0.03 to 10.0 diameters of the die. The displacement of the die is measured, whereafter the load applied to the die is relieved, and the displacement of the die due to the elasticity is measured. The disclosed method enables to reduce the cost of testing with the use of dies, as well as to reduce the cost of foundations, and to enhance the reliability of structures by using information on structural properties and the characteristics of soils.
REFERENCES:
patent: 2833144 (1958-05-01), Miller et al.
patent: 3481188 (1969-12-01), Mori
Bogomolov Vladislav M.
Gimpelson Ilya A.
Morozov Viktor N.
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