Patent ID: 7350450

Claim:
An armor structure configured as a barrier, comprising: first and second layers individually comprising a plurality of i-beams, individual i-beams comprising a pair of longitudinal flanges interconnected by a longitudinal crosspiece and defining opposing longitudinal channels between the pair of flanges, the flanges having laterally outermost faces, the plurality of i-beams within individual of the first and second layers running parallel relative to one another with the laterally outermost faces of the flanges of adjacent i-beams facing one another, one of the longitudinal channels in each of the first and second layers facing one of the longitudinal channels in the other of the first and second layers; and the i-beam channels of the first layer running parallel with the i-beam channels of the second layer, the flanges of the i-beams of the first and second layers overlapping with the crosspieces of the other of the first and second layers and portions of said flanges being received within the facing channels of the i-beams of the other of the first and second layers.