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(11) | EP 0 113 661 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Modular roadway construction method and prefabricated units therefor |
(57) Structural elements for use in constructing roadways, turnways, viaducts and the
like comprise a rigid shell, a freeflowing filler material and at least one reinforcing
rod or cable extending across the filler and tying at least two opposite walls of
the shell. |