Friday, August 26, 2016

Spectacular road-rail bridge over the Bosporus open – Onet.pl

Most measures almost 1.5 kilometers long and 59 meters wide. It has 8 lanes and 2 railway tracks for high speed trains. Pylons are the height of the Eiffel Tower. According to authorities, the bridge will reduce traffic in the 14-million city, reduce fuel costs and saves time commuters.

the newly opened structure was named after Sultan Selim, the Ottoman rulers of the sixteenth century. In the preceding the opening ceremony of a TV commercial said, “Be proud of your power, Turcjo.”

The bridge is part of a broader project, which is expected to cost $ 200 billion. Plan infrastructure investments announced three years ago the government of the current president Recep Tayyip Erdogan. Provided it for 10 years.



Record design

New crossing the Bosporus beating world records. This is primarily longest suspension railway bridge in the world. It combines European quarter of Istanbul with the Asian district Garipce Poyrazkoy.

Sam design is a hybrid. This means that combines the elements of a suspension bridge and exhausts. The most famous and the first bridge of this type are the Brooklyn Bridge in New York City.

Data on the bridge are impressive. It has the longest span in the world – its length is 1,408 m between two pylons. Its width is 59 m and the height is 323 m. Fall for the two four-lane roads and two railway tracks.

Crossing was named in honor of Selim the Terrible – one of the main builders of the power of the Ottoman empire. Not accidental was also the date of the foundation stone. This ceremony was held on 29 May 2013, which is the anniversary of the conquest of Constantinople by the armies of the Ottoman Empire in 1453 under the command of Mehmed II the Conqueror.



Difficult task

Before the constructor has many challenges. The bridge had to be resistant to frequent seismic haunting Turkey. It was also necessary mounting parts exhausts directly into the ground due to the steep banks of the Bosphorus.

But the most difficult task, which have to be met in the construction of the bridge is to maintain the huge burden of moving vehicles after him. With the crossing of the 1.4 km long will be open daily 135 thousand. aut. In addition, the passage it will be paid from the European to the Asian shore is expected to cost 9.90 Turkish lira, and the reverse side is to be free.

this is the third bridge over the Bosporus and its construction is part of a road project Anatolia-Europe with a length of 150 km. The value of investments on the crossing of more than 900 million dollars. The contractor was a consortium Astaldi.



Protests

the project has, however, also their opponents. – The problem of traffic that can not be solved by the two bridges will not be solved by a third – said Seda Elhan, one of the organizations defending the environment. According to the protesters crossing will not help solve the problem of communication of Istanbul, and only worsen the situation on the occasion of badly affecting the environment.

Development Onet; text: Leonard Dolecki (Market Infrastructure) / IAR

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