| 摘要 |
Known sets of structural elements have blocks with depressions and cross-shaped, T-shaped or Z-shaped connecting pieces which come to be located therein. Only retaining walls which are oriented in a straight line can be constructed. The set of structural elements according to the invention has, in addition to blocks with depressions, coupling pieces with at least a part thereof being in the form of a truncated cone, with corresponding cross-sec- tional shape of the depression. In this manner, a rota- tion of blocks, in particular located one above the other, is possible. Curved retaining walls can thus be erected.
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