Hydraulic and earth engineering – Foundation
Patent
1984-12-27
1987-01-06
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
405230, 405258, E02D 500
Patent
active
046343164
ABSTRACT:
A compacted deep foundation structure, a method of and an apparatus for making such structure. This structure may be a pile made in situ, or prefabricated, a pile with enlarged footing, or without it, a micro-pile, a large-diameter pile, a pile without any skin bearing capacity, an underground wall portion, or the like. The foundation structure of the invention permits the foundation ground strength to be raised by compacting it, and reduces the settling of the structure. The compacted deep foundation structure includes a separate foot block pushed in the foundation ground, and a foundation body supported by the foot block and separated from it by space which is initially filled by a separator and later by hardenable material. In the foundation body there is provided at least one longitudinal through hole for accommodating a strut.
In accordance with the method of the invention, the separate foot block, once hardened, is pushed into foundation ground by strutting against the foundation body while, optionally, the surrounding ground is reinforced by a hardening material. In the apparatus preferably employed for performing the method of the invention, the foot block is pushed by using the strut supporting a linear vibrating or impact motor, together with a load distributing beam which is anchored in the foundation body, or, alternatively, in the overlying ground. The invention is applicable to the building and the testing of deep foundation structures.
REFERENCES:
patent: 1254401 (1918-01-01), Cole et al.
patent: 2381014 (1945-08-01), Thornley
patent: 2875584 (1959-03-01), Turzillo
patent: 3040411 (1962-06-01), Messenger
patent: 4253781 (1981-03-01), Fischer et al.
patent: 4507069 (1985-03-01), Murray et al.
Cernak Boris
Klein Karol
Taylor Dennis L.
Vyzkumny ustav inzenierskych stavieb
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