Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1984-04-10
1988-03-01
Stodola, Nancy J.
Hydraulic and earth engineering
Earth treatment or control
Chemical
52742, 52744, E02D 520, E04B 116
Patent
active
047282266
ABSTRACT:
Improvement on the method and apparatus for forming reinforced concrete walls with continuous steel reinforcements is disclosed in Veder U.S. Pat. No. 3,310,952. The process includes the forming of a plurality of concrete panels, each panel having a reinforcing cage extending to proximate the joint between the concrete panels and one or more expansible joint reinforcing cages bridging the gap between the reinforcing cages in the adjoining panels. The expansible joint reinforcing cages are carried in carriers in an end stop pipe. Each expansible joint reinforcing cage is comprised of a vertical support bar having secured thereto a plurality of horizontally extending concrete anchor members rigidly secured to one surface of the vertical support bar. A plurality of reinforcing bar members are pivotally coupled to the vertical support bar member and an operating rod member or channel member is coupled to the opposite ends of the these reinforcing bar members and shifts them from a substantially vertical position to a substantially horizontal position after the stop pipe has been removed and the next succeeding panel excavation performed. The vertical orientation of these reinforcing bar members as well as their operating member assures that they will be removed from the area of excavation of the next succeeding and adjacent panel section and, at the same time, by virtue of the concrete anchor members they are rigidly and securely anchored in the preceding concrete panel element. In a preferred embodiment, the vertical bar member is a channel member and the operating rod member is a similar channel member.
REFERENCES:
patent: 3197964 (1965-08-01), Fehlmann et al.
patent: 3310952 (1967-03-01), Veder
patent: 3422627 (1969-01-01), Courte
patent: 3431736 (1969-03-01), Ueda
patent: 3452546 (1969-07-01), Noret
patent: 3513572 (1970-05-01), Noret
patent: 3938292 (1976-02-01), Kawasaki et al.
patent: 3990200 (1976-11-01), Kawasaki et al.
patent: 4453862 (1984-06-01), Stenne
Finic B.V.
Stodola Nancy J.
Zegeer Jim
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