Bolshoy Obuhovskiy Cable-Stayed bridge over the Neva river, Saint-Petersburg, Russia
Twin bridge crossing the Neva River on ring road around Saint-Petersburg, on site between Priozerskoe motorway and up to Highway «Russia». Bolshoy Obuhovskiy Cable-Stayed Bridge is the only one not fixed bridges over the Neva River, connecting Prospect Obuhovskoy Oborony with Oktyabrskaya Embankment. First bridge crossing was inaugurated on December 15th 2004 and the second one on October 19th 2007
Bridge diagram: 2 х 66+174+382+174+2х66 m
deck width is 25 m with a height of 2.5m, deck
structure composed of two longitudinal boxed
girders with bracing.
deck clearance is 30 m
Four lanes of carriageway conceived as one way crossing with two technological passages for maintenance purposes (pedestrian crossing was not considered). Distance within main bridge axis is 36.4m. Spans connected with steel pylons by height 120.5 m via stay cables. Pylon Foundation presented by bored
piles with a length from 30 up to 40 m long. Total length of strands is 900 km long. VSL stay cables from parallel strand manufactured on monostrahel technology. Each stay cable is formed from series straining strand immediately during construction.
SCOPE OF WORKS
definition of bridge crossing conception
technology of construction
design of SAC&D plus DDPE
structural monitoring of construction and service periods