activities - soils - Reinforced Earth - Voûtes TechSpan préfabriquées - FREYSSINET, Sustainable Technology

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structure
soils

Precast arches

Designed and developed by Reinforced Earth, TechSpan arches combine natural structural arching properties and the use of backfi ll to build underground, hydraulic, road or railway structures.The arches combine engineering performance (span up to 20m, backfill covering in excess of 30m), with simple assembly (half-sections mounted on foundations at the bottom and abutting one another at the top).

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