Method of and apparatus for measuring pile skin friction

Details Method of and apparatus for measuring pile skin friction Method of and apparatus for measuring pile skin friction

1985-08-21

1987-02-03

Levy, Stewart J.

Measuring and testing

Frictional resistance, coefficient or characteristics

G01N 1902

Patent

active

046401180

ABSTRACT:
Measurement of the skin friction of piles, according to which a skin-friction measuring device having a cylindrical testing part which is rotatable relative to a main body of the device is introduced into a bored hole in a ground and is rotated by a boring rod, and by rotating the boring rod, the friction force then generated between the cylindrical testing part and the wall of the bored hole is determined in terms of the torque required for rotating the cylindrical testing part.

REFERENCES:
patent: 860115 (1907-07-01), Baker
patent: 2713791 (1955-07-01), Stewart et al.
patent: 2779187 (1957-01-01), Stewart
patent: 2972881 (1961-02-01), Koch
patent: 3120122 (1964-02-01), Kokesh
patent: 3894588 (1975-07-01), Brill
patent: 4400970 (1983-08-01), Ali

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