The bridge on the Russian island in Vladivostok
• The bridge on the Russian island in Vladivostok
The bridge on the Russian island in the Bosporus Strait East being built in the framework of the training program of Vladivostok for the APEC summit in 2012. Cable-stayed bridge will connect the mainland and island parts of Vladivostok and will be an important link in the transportation system of the Primorsky Territory. The bridge will be the world record for the length of the central span - 1104 meters and a length of cables - 580 meters. The height above the water surface - 70 meters. The height of the pylons - 324 meters.
Construction of the bridge began in September 2008.
The bridge will open to traffic in July 2012, and in September the Russian island will take delegates to the summit of the Asia-Pacific Economic Cooperation.
The total length of the bridge - 1885, 53 m (of which 1104 m - center span riverbed)
The approaches to the bridge are racks with a total length of over 900 meters. Elevated support rack height from 9 to 30 meters. Spans a composite consisting of metal boxes with sloping sides and a monolithic concrete slab.
The width of the roadway -. 24 m They accommodate four lanes (two in each side)
For the construction of the M6 pylon on Nazimova Peninsula was paved artificial poluostrovok, with whom he conducted drilling under support. Construction of pile foundation pylon M7 on the island of Russian started with water on a temporary working metal islands. They are designed to protect against in bulk vessels of up to 66,000 tons of ice movements and wave action. The total volume of the rock and particulate soil displaced during the construction process pads was 1, 5 million cubic meters.
The design of the superstructure has an aerodynamic cross-section for the perception of loads from the squally wind.
The base of each pylon - 120 bored piles with a diameter of two meters. Pile with unrecoverable metal shell under pylon M7 penetrate through to the level of 46 meters. The peninsula Nazimova maximum depth of concrete piles - 77 meters.
For the construction of each raft foundation pylon took about 20,000 cubic meters of concrete and about 3,000 tons of steel. The body grillage tensor mounted sensors to monitor the status of this colossal foundation.
The height of the pylon - 324 meters, which is comparable with the height of 90-storey building.
The top of the pylon
builders delivery to a pylon carried hoists.
In the photo - German GEDA lift carrying capacity of 2 tons, which allows you to carry up to 24 people at a time. Skrost lift - 65 m / min.
The builders were working in extreme weather conditions. the wind speed reaches 36 meters per second, the wind picks up storm waves up to six meters, the ice thickness reaches 70 centimeters. in the winter the temperature falls below minus 36 degrees and plus summer rises to 37.
The continuous reinforcement and concreting pylon M6 (Nazimova Peninsula) have been overcome in a record 25 months.
The solution to such a height was fed special concrete pumps.
View from the lifting tower crane Potain MD 1100. Prior to that mark on the ground - 348 meters. As I said, at the moment, it is the highest tower crane in Russia.
lifting height - 335 m, boom length - 60 m.
Maximum capacity - 50 tons
In "SK MOST" armament of pylons used Kroll tower cranes carrying capacity 40 and 20 tons.
Crane Potain MDT 368 (France). Maximum capacity - 16 tons, lifting height - 328, 7 m boom length - 40 m.
Beam stiffness of the central navigation span of the bridge - all-metal.
It is a single box on the entire cross-section with upper and lower orthotropic plate system and transverse diaphragms.
A metal beam stiffness consists of 103 panels of length 12 and 26 meters wide. The total weight of the panels - 23,000 tonnes. The length of the stiffness of the beam - 1,220 meters.
pre-assembly of the panels was carried out on the territory of the production base of the peninsula Nazimova ( "Mostovik") and Nakhodka ( "SK MOST").
Krupnosbornye section for mounting the central superstructure in specially designated "windows" were delivered by barge to the assembly and lifted by a crane on the 76-meter mark, where the dock and mount the cables.
positioning the barge under the mounting unit is carried out using the Russian GLONASS satellite navigation system.
In the vertical joints blocks walls longitudinal edges of the transverse beams and diaphragms applied installation for high-strength bolts.
"Mostovik" on the one hand ...
... and "Insurance Bridge" on the other. Derricks Russian production capacity of up to 400 tons
At night, April 12, 2012 the builders completed the installation of the final flight of the castle panel, which are interconnected shore Eastern Bosphorus Strait.
Over the last docking panel employs more than 300 people.
For the construction of the bridge on the Russian island has developed a special process procedure for welding, which is much more rigorous and complex than for other bridges. Every seam is checked by means of ultrasonic testing devices.
April 18, 2012, "Golden butt."
On the bridge over the Eastern Bosphorus Strait applies advanced system of cables with more dense placement of the strands in the shell. Weight cable system is 3720 tons, the total length of the cables - more than 54 kilometers.
The shrouds are composed of parallel individual strands protected from corrosion, whose number varies from 13 to 85.
Each strand comprises seven galvanized wires coated high density polyethylene.
The casing shrouds made of two layers: inner - black, high density polyethylene, the outside - a thin, painted in the colors of the Russian flag. Decorative shell is provided with a spiral rib also intended for protection against vibrations generated during the combined action of wind and rain.
The estimated service life of cables - at least 100 years.
Fixing the cables inside the pylon.
Technological platform supports M4-M6
View from Cape Pospelov.
Tug "East" is involved in the work on removing "dead anchor" under the bridge span
"Heart of the bridge."