Plastic article or earthenware shaping or treating: apparatus – Utilizing subterranean feature as shaping means
Patent
1983-10-20
1985-03-26
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Utilizing subterranean feature as shaping means
425110, 264 33, 405229, 405269, 521251, 52745, E04B 516
Patent
active
045070695
ABSTRACT:
A method of lifting and stabilizing a concrete slab having an opening therein in which a plate is attached to the top surface of the slab, the plate having an opening coinciding with the opening in the slab, a hydraulic jack having a downwardly extending piston is removeably secured to the plate and a series of tubular shafts are forced downwardly through the opening in the plate and the slab to penetrate the earth beneath the slab and apply lifting force. When the slab has been lifted to the desired elevation, grout, such as a concrete slurry, can be injected below the slab so that the slab is stabilized in the selected elevational position. After the plate is removed the hole in the slab is filled.
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Bright John T.
Murray Clarence L.
Flint, Jr. J. Howard
Foundation Control Systems, Inc.
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