Patent ID: 7351002

Claim:
A barrier wall, comprising: a number of individual barrier devices each including: (i) a top wall, a bottom wall, opposed end walls and opposed side walls interconnected to collectively form a hollow interior; (ii) at least one opening extending through said hollow interior from one of said side walls to the other of said side walls; (iii) a first beam extending along one of said side walls and a second beam extending along the other of said side walls, each of said first and second beams having opposite; (iv) at least one mounting bracket extending through said at least one opening in said hollow interior, said at least one mounting bracket being mounted to said first beam and to said second beam to connect said first and second beams together along their respective side walls; a clamping device located at each end of said first and second beams of each of said barrier devices, one of said clamping devices being connected between one end of a first beam of one barrier device and one end of a first beam of an adjacent barrier device, and another of said clamping devices being connected between one end of a second beam of one barrier device and one end of a second beam of an adjacent barrier device.