| 摘要 |
PROBLEM TO BE SOLVED: To provide a retaining wall block being excellent in stacking strength, requiring no fixation of a block by backfilling of concrete, capable of largely shortening a construction time and capable of reducing the constitution cost because construction work can be easily performed in a short time, capable of reducing a transport cost because the construction work can be easily performed, generating no block residual so far generated at retaining wall disassembling time, requiring no waste disposal and capable of largely contributing to reducing construction waste because of being reusable many times as a retaining wall block. SOLUTION: A retaining wall block is formed by arranging mutually fittable projecting parts and/or recessed parts on upper/under surfaces and side surface, and is mainly composed of at least one or more kinds of components: 90 to 10 wt.% selected from 10 to 90 wt.% of a resin component, an inorganic substance of earth, sand and stones and a metallic component.
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