Page 49 - World Of Nurol Magazine - 25
P. 49

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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