Static structures (e.g. – buildings) – Footing or foundation type – Concrete type
Patent
1997-03-06
1999-10-19
Safavi, Michael
Static structures (e.g., buildings)
Footing or foundation type
Concrete type
52296, E02D 2742
Patent
active
059668822
ABSTRACT:
A structure of base of column and a construction method for base of column formed by installing a lower end of column steel frame on a foundation formed under the ground. Plural column main reinforcing-bars, which have bottom bent portions and are incorporated in a foundation concrete at specified positions corresponding to a sectional shape of column, are protruded upward out of a top face of the foundation concrete and a lower end base plate of the column steel frame is combined to upper protruding portions of the column main reinforcing-bars. As combining measures, there are such measures that a tightening nuts are screwed onto male threaded portions provided on the protruding portions of the column main reinforcing-bars, or caulked portions are formed on the protruding portions of the column main reinforcing-bars. By these measures, a number of parts for combining the base of column and a construction cost can be reduced, a support strength of the column steel frame can be improved, and a number of construction work processes of the base of column can be reduced.
REFERENCES:
patent: 1334519 (1920-03-01), Bushong
patent: 3630474 (1971-12-01), Minor
patent: 5063719 (1991-11-01), Matsuo et al.
patent: 5505033 (1996-04-01), Matsuo et al.
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