Method for positioning and stabilizing a concrete slab

Details Method for positioning and stabilizing a concrete slab Method for positioning and stabilizing a concrete slab

1984-12-12

1986-05-27

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Uniting preform member with molding material

52742, 264 36, 405229, 405230, 405269, E04B 116

Patent

active

045914664

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.

REFERENCES:
patent: 3040411 (1962-06-01), Messenger
patent: 3194853 (1965-07-01), Weise et al.
patent: 3530675 (1970-09-01), Turzillo
patent: 4092832 (1978-06-01), Mattson
patent: 4240995 (1980-12-01), Milne

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