Page 48 - World Of Nurol Magazine - 25
P. 48

The steel structure of the South
                                                                                                                                                                                                                            Approach Viaduct afterwards
                                                                                                                                                                                                                            the Suspension Bridge is
                                                                                                                                                                                                                            an important structure to
                                                                                                                                                                                                                            be constructed  completely
                                                                                                                                                                                                                            by Turkish contractors and
                                                                                                                                                                                                                            requiring high construction
                                                                                                                                                                                                                            technology at least as much
                                                                                                                                                                                                                            as     bridge     construction
                                                                                                                                                                                                                            (requires engineering phases
                                                                                                                                                                                                                            requiring in situ installation
                                                                                                                                                                                                                            deep knowledge such as
                                                                                                                                                                                                                            processing,  controlling  and
                                                                                                                                                                                                                            testing of raw steel)

                                                                                                                                                                                                                            South Approach Viaduct will
                                                                                                                                                                                                                            be constructed at the Hersek

                                                                  İzmit Gulf Pass Suspension Bridge is 2.682 m in length in                                                                                                 cape section of the project, as
                                                                  total where the main span is 1.550 m and each side spans                                                                                                  steel deck slab on 11 steel piers
                                                                  are 566 m in length. With the passing spans in North and                                                                                                  on 1.378,92 route between Km
                                                                  South, its total length is 2.907 m. The width of the deck                                                                                                 7+081,76 point starting from
                                                                  span is 35,93 m, the height of the deck span is 4,75 m and                                                                                                reinforced concrete approach
                                                                  it is composed of 6 divided lanes (3-3) in total .                                                                                                        pier which is the Suspension
                                                                                                                                                                                                                            Bridge south section end and
                                                                  In the construction of  the suspension  bridge,  in  total                                                                                                Km 8+460,68  point  which  is
                                                                  75,000  tons  steel  will  be  manufactured  as  follows:                                                                                                 the last reinforced concrete
                                                                  55.000 tons structural steel and 20.000 tons main cable                                                                                                   pier at the south direction.
                                                                  and suspension ropes. Yet, the deck slab and piers to be
                                                                  located  on  the steel  shafts arisen  from  the  reinforced
                                                                  concrete bases in the sea, which are referred as the towers
                                                                  of the bridge, will be manufactured from structural steel.
                                                                  On the other hand, approximately 200.000 m  reinforced
                                                                                                                3
                                                                  concrete will be manufactured for the tower bases in the
                                                                  sea and the anchorage blocks to which the main rope will
                                                                  be connected. General Characteristics of Suspension Bridge
                                                                  and the amounts regarding the Main Work Items may be
                                                                  listed as follows.




















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