Method for connecting precast concrete girders

Details Method for connecting precast concrete girders Method for connecting precast concrete girders

1997-04-01

1999-02-09

Graysay, Tamara L.

Bridges

Bridge construction method

14 745, 5222312, E01D 2100, E01D 1908, E04C 310

Patent

active

058678557

ABSTRACT:
A method for connecting precast concrete girders by tensioning temporary tendons lower than the neutral axes of girders, supporting the girders at the both ends, placing concrete into the gap, tensioning the tendons which connect adjacent girders while releasing the temporary tendons in order to reduce the bending moment at the midspan of girders.

REFERENCES:
patent: 4245923 (1981-01-01), Rieve
patent: 4709456 (1987-12-01), Lyer
patent: 5313749 (1994-05-01), Conner
patent: 5425152 (1995-06-01), Teron
patent: 5655243 (1997-08-01), Kim
"Design of Prestressed Concrete Structure" second edition, T. Y. Lin, pp. 6308-313.

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