Bridge Crossing to the Russky Island Across the Eastern Bosporus Strait in Vladivostok
Road construction / Bridge Crossing to the Russky Island Across the Eastern Bosporus Strait in Vladivostok

Updated information
on construction of - cable-stayed bridge to the Russky Island
across the Eastern Bosphorus Strait in Vladivostok
is posted on the website

Bridge Crossing to the Russky Island Across the Eastern Bosporus Strait in Vladivostok

Commencement of construction - Q3 2008; opened for traffic - 1 August 2012.

The bridge to the Russky island will be one of the world?s largest cable-stayed bridges, the 1104 m long central span of which will establish a new record in the world bridge building practice.

The bridge will also have the highest bridge towers and the longest cable stays.

Bridge specification

  • Bridge footprint: 60+72+3-84+1104+3-84+72+60 m
  • Total bridge length - 1885.53 m
  • Total length incl. trestles - 3100 m
  • Central channel span length - 1104 m
  • Total bridge roadway breadth - 21 m
  • Number of driving lanes - 4
  • Under clearance - 70 m
  • Bridge towers height - 324 m
  • Longest / shortest cable stay - 579.83/135.771

    The design of the bridge crossing has been determined on the basis of two primary factors:

    • Shortest coast-to-coast distance in the bridge crossing location 1460 m. Navigable channel depth is up to 50 m.
    • The locality of the bridge crossing construction site is characterized by severe climate conditions: temperatures vary from minus 31 to plus 37 degrees, storm wind velocity of up to 36 m/s, storm wave height of up to 6 m, ice formation in winter of up to 70 cm thick.

    Bridge Tower Construction

    The piles with diameter of 2,000 mm will be driven as deep as 77 m below ground, and on the island side the 120 auger piles will be piled under each of the two 324-m high bridge towers.

    The bridge towers will be concreted using custom self-climbing forms in pours of 4.5 m. A crane will be used on the first three pours, afterwards the formwork will start unaided moving through the hydraulic motion of modular elements.

    The bridge towers will be A-shaped, therefore, the use of standard forms will not be feasible. An individual set of forms has been arranged for each bridge tower..

    Transition between section types will be carried out at summer levels at the elevations of 66.26 m and 191.48 m.

    The use of self-climbing forms will make it possible to achieve better quality and decrease the time of construction of cast-in-situ reinforced concrete structures by half as much again.

    Cable stays attachment zone starts at the elevation of 197.5 m. The installation of cable stay pairs and casting of bridge tower bodies will be carried out simultaneously, dramatically reducing the construction period.

    Central Span Structure

    The span structure has an aerodynamic cross-section to assume squally wind loads. The shape of the span cross-section has been determined based on aerodynamic design and optimized according to the results of experimental processing of the scale model in the detailed design phase.

    Welded field connections are used for longitudinal and transversal joints of the cap sheet of the orthotropic plate and lower ribbed plate. For joints of vertical walls of the blocks, longitudinal ribs, transversal beams and diaphragms, field connections are used provided by means of high-strength bolts

    Large-sized prefabricated 24-m sections for installation of the central span in the dedicated ?windows? will be delivered by barges to the erection site and hoisted by a crane to a 76-m height. Here, the?340 t elements will be abutted and cable stays will be attached to them.

    Cable-Stayed System

    A cable-stayed system assumes all static and dynamic loads on which the very existence of bridge depends. Cable stays are not designed to endure the entire lifetime of the bridge, but they are repairable and have the best possible protection from natural disasters and other adverse impacts.

    The length of the shortest cable stay will be 135.771 m, the longest - 579.83 m. The protective housings of the cable stays will have the following features:
    • UV resistance;
    • resistance to local climate conditions of Vladivostok (temperature range from minus 40C to plus 40?C) and environmental aggressiveness.

    Bridge to the Russky Island opened for traffic on 1 August 2012.

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