Traffic Junction at the Right-Bank Ramp of Liteiny Bridge across the Neva River

Traffic Junction at the Right-Bank Ramp of Liteiny Bridge across the Neva River

St. Petersburg (reconstruction)
Design and Detail Design Development
Project period: 2004 – 2011
General Designer: Institute Stroyproekt JSC
Client: Committee for City Improvement and Road Infrastructure of St. Petersburg Administration


Main technical parameters of the traffic junction:

– total length: 275.446 m
– width of the semi-tunnel: 11.5 m
– foundations of reinforced concrete piles with diameter of 0.6 m and a length of up to 30 m
– semi-tunnel structure of cast-in-situ reinforced concrete 0.31 m thick.

The Project also included reconstruction of the exit ramps from Academician Lebedev Street to Arsenalnaya and Pirogovskaya Embankments; the ramps have been widened to 7 m and are now two-way traffic.  







To achieve the formulated goal (construction of a new tunnel under the bridge and widening of the ramps) our designers have found an original solution: the embankment was widened by construction of filled area in the Neva River under the bridge span.


 

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