Prefabricated wall form modular unit

A structural element of a concrete form assembly comprised of two mating panel members, each of said panel members comprising

• (a) a web,
• (b) interior and exterior end flanges extending along the length of a mating side of said web, the end flanges contacting the respective flanges of a mating panel member,
• (c) a median flange extending longitudinally along the mating side of said web on a line intermediate said end flanges and being narrower than said end flanges, the median flanges on said mating panels defining a longitudinal gap between the mating sides of the webs of said panels in the interior thereof, said gap being sufficiently large to permit through-passage of a tie rod,
• (d) a flange associated with said interior flange to retain a plywood facing sheet, and
• (c) universal aperture means in said web adapted to receive a T-bolt for securing said mating panels to one another, said aperture means being disposed adjacent said median flange on the side thereof away from said interior flange, said interior end flanges having a plurality of longitudinally spaced kerfs therein dimensioned so that in mating relationship they form a plurality of recesses dimensioned so as to permit through-passage of a tie rod, and
• said exterior flanges having a plurality of longitudinally extending kerfs therein dimensioned so that in mating relationship the kerfs on mating panels form a plurality of longitudinally extended recesses, said recesses permitting through-passage of a tie rod and the longitudinal extensions permitting said tie rod to be displaced along the axis of said panel.

A prefabricated modular unit for a concrete wall form assembly comprising

• (1) two parallel, spaced apart panel members, each of said panel members being adapted to mate with a panel member of a second modular unit and comprising
• (a) a web,
• (b) interior and exterior end flanges extending along the length of a mating side of said web, the said flanges contacting the respective flanges of the mating panel member,
• (c) a median flange extending longitudinally along the mating side of said web on a line intermediate said end flanges and being narrower than said end flanges, the median flanges on said mating panels defining a longitudinal gap between one another in the interior of said mating panels, said gap being sufficiently large to permit through-passage of a tie rod,
• (d) a flange associated with said interior flange to retain a plywood facing sheet, said interior end flanges having a plurality of longitudinally spaced kerfs therein dimensioned so that in mating relationship they form a plurality of recesses dimensioned so as to permit the through-passage of a tie rod, and
• (e) universal aperture means in said web adapted to receive a T-bolt for securing said mating said interior end flanges having a plurality of longitudinally spaced kerfs therein dimensioned so that in mating relationship they form a plurality of recesses dimensioned so as to permit through-passage of a tie rod, said universal aperture means being disposed adjacent said median flange on the side thereof remote from said interior flange, and said exterior flanges having a plurality of longitudinally extending kerfs therein dimensioned so that in mating relationship the kerfs on mating panels form a plurality of longitudinally extended recesses, said recesses permitting through-passage of a tie rod and the longitudinally extended recesses extended recesses permitting said tie rod to be displaced along the axis of said mating panels joined to one another, and
• (2) a plurality of bracing members attached at each end to each of said panel members and passing perpendicularly between said members.

A prefabricated modular unit for a concrete wall form assembly comprising

• (1) a first pair of parallel, spaced apart panel members and a second pair of parallel, spaced apart panel members perpendicular to said first pair, said first and second pairs defining a rectangular structure adapted to be interconnected along any of said panels with a second such modular unit by mating the respective panels thereof, said panels comprising
• (a) a web,
• (b) interior and exterior end flanges extending along the length of a mating side of said web, the end flanges contacting the respective end flanges of the mating panel member,
• (c) a median flange extending longitudinally along the mating side of said web on a line intermediate said end flanges and being narrower than said end flanges, the median flanges on said mating panels defining a longitudinal gap between each other in the interior of said mating panels, said gap being sufficiently large to permit through-passage of a tie rod,
• (d) a flange member associated with said interior flange to retain a plywood facing sheet, and
• (e) universal aperture means in said web adapted to receive a T-bolt for securing said mating said interior end flanges having a plurality of longitudinally spaced kerfs therein dimensioned so that in mating relationship they form a plurality of recesses dimensioned so as to permit through-passage of a tie rod, said universal aperture means being disposed adjacent said median flange at the side thereof remote from said interior flange, and
• said exterior flanges having a plurality of longitudinally extending kerfs therein dimensioned so that in mating relationship the kerfs on mating panels form a plurality of longitudinally extended recesses, said recesses permitting through-passage of a tie rod and the longitudinal extensions permitting said tie rod to be displaced along the axis of said mating panels joined to one another, and
• (2) bracing means extending between said panels.