Page 44 - World Of Nurol Magazine-24

DOMESTIC

ain span of Izmit Bay Crossing Suspension
Bridge is 1,550 m, its each edge span is 566
m and it is total of 2,682 m long. Its total
length, together with the clearance spans
Min North and South is 2.907 meters. Its deck
width is 35.93 m, its deck height is 4.75 m and it has total of
6 lanes, 3 incoming and 3 outgoing lanes with 3.65 m wide.
In the construction of Suspension Bridge, total of 75.000
steel fabrications was used, 55.000 tons of it is structural
steel and 20.000 tons of it is main cable and suspension
ropes. The bridge footings, settled on the steel shafts came
out of the reinforced concrete foundations in the sea which
we call as towers of the bridge, and its deck is fabricated
from structural steel. On the other hand, there are 200.000
m3 reinforced concrete manufacturing for the foundations
of the towers in the sea and anchorage blocks to which the
main rope is attached.
General Features of the Suspended Bridge and the
Amounts of the Main Work Items

LENGTH OF BRIDGE FROM TOWER TO TOWER 1550 m AMOUNT OF SOUTH TOWER CAISSON CONCRETE 740 Tons
WEIGHT OF SUSPENSION ROPE 2682 m NUMBER OF SUSPENSION ROPES 67 x 54 x 15m
LENGTH OF SUSPENDED BODY OF THE BRIDGE 35.930 m GROUND IMPROVEMENT UNDER THE SEA -40.4 m³
SIZES OF CAISSONS 252.000 m DIAMETER OF THE MAIN CABLE (MAIN RACK) 36.245 m³
WIDTH OF THE BRIDGE 53.700 m NUMBER OF PILES TO BE USED (NORTH) 83.770 m³
THE DEPTH WHERE THE CAISSON IS SETTLED IN THE SEABED 52.200 m DIAMETER OF THE MAIN CABLE (EDGE RACK) 21.000 m³
HEIGHT OF THE TOWER 105, 103, 180 mm GROUND IMPROVEMENT UNDER THE SEA 21.000 m³
AMOUNT OF NORTH ANCHOR CONCRETE 105+105=210 NUMBER OF TWISTS IN THE MAIN CABLE 195 Pieces
HEIGHT OF NORTH ABUTMENT 781 mm NUMBER OF PILES TO BE USED (SOUTH)
AMOUNT OF SOUTH ANCHOR CONCRETE 788 mm NUMBER OF WIRES IN THE TWIST 195 Pieces
HEIGHT OF SOUTH ABUTMENT 110 Pieces NUMBER OF DECK SEGMENTS
AMOUNT OF NORTH TOWER CAISSON CONCRETE 127 Pieces MAIN CABLE WEIGHT 111 Pieces
DIAMETERS OF SUSPENSION ROPES 18.750 Tons DECK WEIGHT 33.800 Tons

The exports foreseen to be
performed in the Dry Dock
is completed. The image
taken when the water was
started to be taken to the
Dry Dock by pumping the
sea water.