| 摘要 |
An armor unit for protecting coastal, river, lake, and reservoir banks, shorelines, and other structures from the damaging hydrodynamic forces of waves and water currents. The armor unit has a central elongate member (4) and first and second outer elongate members (8, 10) connected with the central elongate member on opposite sides thereof. The first and second outer elongate members have parallel longitudinal axes (12, 14) extending normal to the longitudinal axis (6) of the central elongate member. The elongate members may each have an octagonal cross section decreasing from an intermediate portion toward the opposite ends. When a plurality of units are interlocked to define a protective array, a high degree of wedging is afforded between the octagonal members. A form for casting the armor unit is also disclosed.
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