Foundation underpinning bracket and jacking tool assembly

Details Foundation underpinning bracket and jacking tool assembly Foundation underpinning bracket and jacking tool assembly

E - Fixed Constructions

02

D

E02D 5/00 (2006.01) E02D 27/48 (2006.01)

Patent

CA 2095024

Apparatus and a method is disclosed for stalibilizing the founda- tion of an existing building structure which may or has experienced set- tlement or movement. A support (18) for the foundation is provided that is adapted to be located at a position in underlying relationship to the foundation structure (10). A screw anchor (16) having an anchor shaft (20) and at least one helix (26) thereon is driven into the ground adjacent the foundation support (18). An inverted U-shaped coupler (94) adapted to be temporarily secured to the foundation support (18) receives a jack- ing device (102) therewithin extending between the top of the coupler (94) and the foundation support (18) so that upon positioning of the sup- port in supporting relationship to the foundation (10) and insertion of the anchor (16) into the ground, the support (18) may be connected to the anchor shaft (20), the jacking device (102) positioned between the support (18) and the coupler (94) so that added force may be applied to the support (18) and thereby the foundation (10) while the support and foundation are carried by the screw anchor (16), the support (18) then af- fixed to the screw anchor (16), and the jacking device (102) thereafter re- moved from its position between the support (18) and the coupler (94).

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