Method of adding extra floors on existing buildings

Details Method of adding extra floors on existing buildings Method of adding extra floors on existing buildings

1986-03-21

1987-02-03

Murtagh, John E.

Static structures (e.g., buildings)

Multiroom or level

Multilevel

522367, 522369, 52741, E04B 100, E04B 135

Patent

active

046400702

ABSTRACT:
Methods of adding floors to an existing building structure without altering the exterior of the structure is described. One method involves providing additional foundations within the existing structure and supporting a plurality of internal columns upon these new foundations. The internal support columns are brought through the existing roof and a large platform truss is supported on these columns. A conventional construction skeleton is built on the platform truss and provides as many floors as is required. Another method involves building a further foundation immediately adjacent the existing structure and supporting external columns and also providing new foundations within the existing structure with internal support columns. A platform truss is supported on the external columns and the internal columns and the platform truss acts as a base for conventional construction skeleton with as many floors as required above the existing building structure.

REFERENCES:
patent: 1740011 (1929-12-01), Evans
patent: 3744200 (1973-07-01), Rice
patent: 4071988 (1978-02-01), Bowes

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