E - Fixed Constructions – 01 – D
Patent
E - Fixed Constructions
01
D
E01D 11/00 (2006.01) E01D 11/02 (2006.01) E01D 19/04 (2006.01)
Patent
CA 2147971
2147971 9410388 PCTABS00032 Suspension bridge comprising, in correspondence of the end piers to which is anchored the catenary for bridge suspension, a structure to interconnect two branches of the suspension bridge framework, a substantially fixed stiff branch (P1) and a substantially flexible branch (P2), each branch comprising three parallel longitudinal, reciprocally spaced, box-like bodies - a central body (S1) and two lateral bodies (S2, S3) - interconnected by transversal ledgers (T) positioned at regular intervals along the bridge. Said interconnecting structure comprises a central body section (S1') forming a fixed joint between the central longitudinal bodies (S1) of each bridge branch; two lateral body sections (S'') mounted slidable in respect of the lateral longitudinal bodies (S2, S3) of each bridge branch; and a hinge joint between said bridge branches (P1, P2) in correspondence of the pier axis. Each of said three longitudinal bodies forms a traffic lane of the bridge, the central continuous body (S1, S1') being meant for railway traffic, and the two lateral discontinuous bodies (S2, S3, S'') being meant for roadway traffic. The central body section (S1') carries at its centre a downwardly projecting anchor base (C1) for a pin (C) being the hingeing point for the lateral bodies of the bridge.
Fetherstonhaugh & Co.
Stretto Di Messina S.p.a.
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