| 摘要 |
A standardized block for forming a retaining wall, said block comprising a top and bottom and having disposed proximate the top thereof first, second and third abutment means, and having disposed proximate the bottom thereof fourth, fifth and sixth abutment means, said second and fifth abutment means abutting in a first abutting position when like blocks are placed course upon course to form a retaining wall having a substantially vertical alignment, said first abutment, said second abutment and said third abutment abutting with said fourth, fifth and sixth abutment in a second abutting position different from said first position when like blocks are placed one upon the other, course upon course, to provide a substantially set-back retaining wall construction, and wherein said first, second and third abutment means abut with said fourth, fifth and sixth abutment means in a third abutting position different from said second or first position when like blocks are placed one upon another, course upon course, to provide a substantially set forward retaining wall construction, wherein said block may be utilized by an installer to construct in whole or in part a substantially vertical retaining wall, a substantially set back retaining wall from the vertical, and a substantially set forward retaining wall from the vertical utilizing the same block and any combinations thereof when forming a retaining wall.
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