A SEGMENTAL RETAINING WALL AND A WALL BLOCK AND A SOIL REINFORCEMENT BAR THEREFOR

摘要

A wall block (12) for a segmental retaining wall system (70) comprises an interior and an exterior block faces (24, 26), two block sides (32) between the block faces, a block top surface (28) having a lock channel (16) transverse to the top surface, the channel having a frontal lip (42) extending towards the interior surface to overhang, a rear tip (45) on the rear wall of the channel, the rear lip being parallel to the frontal tip to define a throat, and a block bottom surface (30) having a lock flange (18) having a flange front surface (48) and a flange rear surface (50) extending from the bottom surface with a flange bottom surface between them, the lock flange being transverse to the block bottom surface and extending in the same direction as the lock channel to fit in the throat, the flange front surface having a portion extending towards exterior block face to overhang and engage the frontal lip of the channel of an adjacent block.