Wall module

Claim 1

A vertical wall panel of from 8 to 12 feet in height with a wall thickness of from 4 to 9 inches and a base of greater thickness, from 10 to 16 inches, positioned in a trench in the earth, said wall panel being formed of: (1) a plurality of blocks; each block of which has a height from 8 to 36 times its thickness, extending the entire height of said panel, and formed by bottom and top walls with two sidewalls extending therebetween to define a hollow core body having parallel interior and exterior surfaces and two, entirely open sides, at least one internal rib substantially parallel to said bottom and top walls and fully extending between said sidewalls at an intermediate level of said block to divide its hollOw core body into at least two through openings and cavity means in the top thereof separated from said through openings; said blocks resting with their bottom surfaces on the bottom of said trench and having their open sides in joined side to side array to interconnect the cavities and respective through openings thereof and thereby form a plurality of continuous horizontal cells extending the length of said panel, (2) horizontal metal reinforcing means extending continuously along said panel in each of said continuous horizontal cells and (3) concrete filled in said continuous horizontal cells above and about said reinforcing means.