E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/53
E02D 17/08 (2006.01) E02D 5/20 (2006.01) E02D 17/04 (2006.01) E21D 11/08 (2006.01)
Patent
CA 1046297
ABSTRACT OF THE DISCLOSURE According to the invention trenched constructions, such as tunnels, are realized by using precast reinforced con- crete elements, generally of rectangular shape, with at least the external face provided by ribs of adequate dimentions for pouring, once the element is placed in the trench with vertical ribs thus forming channels with the ground, the concrete for lateral and foundation support.
239505
Zaretti Luigi
Alpina S.p.a.
Na
LandOfFree
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