| 摘要 |
PROBLEM TO BE SOLVED: To easily manufacture retaining wall blocks even if they are different in every angle of a retaining wall corner by making the difference only in length, to facilitate installation of two retaining wall blocks in conformity to the angle of the designed retaining wall corner to easily arrange them right and left, and to shorten construction time by eliminating a form in filling a filler. SOLUTION: The retaining wall blocks 1 comprise rising surface plates 10, and one curved stay plate 15 extended backward on the upper face level of about half of the upper face level of the surface plates 10 from the lateral center parts of the back faces 13 of the surface plates 10 and then curved to one side in the lateral direction to form plane circular arc shape centering on one ends of the lateral ends 11 of the surface plates 10 from the top view. COPYRIGHT: (C)2004,JPO&NCIPI
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