Static structures (e.g. – buildings) – Monolith with sustainer and means tensioning additional...
Patent
1992-12-30
1996-01-02
Lindsey, Rodney M.
Static structures (e.g., buildings)
Monolith with sustainer and means tensioning additional...
522238, E04C 320
Patent
active
054797489
ABSTRACT:
The tensile strength of pre-stressed or reinforced concrete girders for bridges is considerably increased by the addition of at least one layer of external tendons which are stressed under tension between a pair of friction connectors attached near the ends of the girder, each said friction connector comprising a base plate, means attached to the lower face of the base plate for receiving and stressing under tension said layer of tendons, means for pressing the upper face of the base plate against the lower surface of the girder, and means for increasing the friction coefficient between the upper face of the base plate and the lower face of the girder to an extent sufficient to fix the position of the connector solely by friction on said girder.
REFERENCES:
patent: 1970966 (1934-08-01), Leake
patent: 2822068 (1958-02-01), Hendrix
patent: 3010257 (1961-11-01), Naillon
patent: 3140764 (1964-07-01), Cheskin
patent: 3368016 (1968-02-01), Birguer
patent: 3427773 (1969-02-01), Kandall
patent: 3738071 (1973-06-01), Finsterwalder
patent: 4704830 (1987-11-01), Magadini
patent: 5313749 (1994-05-01), Conner
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