Method and apparatus for shoring and supporting a building found

Hydraulic and earth engineering – Foundation – Underpinning

Patent

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254 29R, E02D 500

Patent

active

046952039

ABSTRACT:
An improved method and apparatus for supporting and shoring building foundations and walls in which one or more pilings are disposed at a point outside the perimeter of a structure. The pilings are driven into the supporting strata to a point determined by said strata's resistance to a predetermined amount of driving force. The pilings thus disposed provide a foundation for the subsequent attachment and securing of the apparatus of the present invention which functions to raise and support the foundation or wall to a predetermined level. The apparatus of the present invention includes a lifting arm for engaging the foundation, a sleeve portion for guiding the pilings, a removably secured lifting saddle, and a hydraulically operated jack for applying a force between the saddle and the pilings to raise the foundation a predetermined distance.

REFERENCES:
patent: 2322855 (1943-06-01), Lenehan
patent: 3796055 (1974-03-01), Mahony
patent: 3852970 (1974-12-01), Cassidy
patent: 3861156 (1975-01-01), Uchida
patent: 3902326 (1975-09-01), Langenbach

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