Static structures (e.g. – buildings) – Tensioned or flexed sheet facing
Patent
1986-02-06
1987-11-10
Friedman, Carl D.
Static structures (e.g., buildings)
Tensioned or flexed sheet facing
52729, 52741, 52647, E04C 310
Patent
active
047048301
ABSTRACT:
This invention simplifies reworking of structures such as buildings having load bearing beam girders embedded therein with limited access thereto for increasing the load bearing capacity of the girders. It also permits the increase of load bearing capacity of steel I-beam girders without welding therefore eliminating the fire danger of welding strengthening members thereto. The rework of the in-situ embedded beam is accomplished with minimal building damage. Thus, the building need be reworked only to gain access to two ends of the I-beam girders and a mid-region load bearing position on the lower flange of the I-beam. A flexible tension load bearing member such as a chain is then strung alongside the I-beam web portion end to end and hooked over the top flange. Thus existing pipes, ducts and wiring need not be disturbed. The mid-section of the chain is then attached in a load bearing capacity to the lower flange, preferably by a post tension controlling adjustable link controlling the chain tension.
REFERENCES:
patent: 2822068 (1958-02-01), Hendrix
patent: 2856644 (1958-10-01), Dunham
patent: 3341995 (1967-09-01), Docken
patent: 3347242 (1967-10-01), Barker
patent: 3427773 (1969-02-01), Kandall
Brown Laurence R.
Friedman Carl D.
Slack Naoko N.
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