Method of and apparatus for measuring in situ, the subsurface be

Details Method of and apparatus for measuring in situ, the subsurface be Method of and apparatus for measuring in situ, the subsurface be

1983-09-28

1985-11-26

Swisher, S. Clement

Measuring and testing

Frictional resistance, coefficient or characteristics

73 84, G01N 342, G01N 1902

Patent

active

045548196

ABSTRACT:
The invention disclosed includes a method of and apparatus for measuring the subsurface bearing strength of soil and the frictional resistance of the soil to movement of a pile through the soil. A probe is used for this purpose that includes two relatively movable members, an inner plunger with a flat face, and an outer tubular member. By measuring the forces imposed by the soil at different locations on the probe as the relatively movable members of the probe are moved through the soil the bearing capacity and the skin friction of the soil can be calculated.

REFERENCES:
patent: 3042124 (1962-07-01), Andersson
patent: 3481188 (1969-12-01), Mori
patent: 3958646 (1976-05-01), Pellissier
patent: 3999424 (1976-12-01), Pellissier
patent: 4400970 (1983-08-01), Ali

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