E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/57
E02D 5/20 (2006.01) E02D 5/18 (2006.01) E04B 1/16 (2006.01)
Patent
CA 1262054
ABSTRACT This invention relates to method and apparatus for forming reinforced concrete walls with continuous steel reinforcements. The invention is basically an improvement on the process disclosed in Veder U.S. Patent 3.310.952. The process includes the forming of a plurlaity 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 are carried in carrier means in the 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 these reinforcing bar members and shifts them from a substantially vertical positions 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 preceeding 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.
581790
Finic B.v.
Parks Thompson & Macgregor
Ressi Di Cervia Arturo L.
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