The Marmaray project continues at full speed. Gebze and HalkalıThe most curious and interesting point of the project that will combine with the suburban railway system is undoubtedly the immersed tube tunnel under the Bosphorus.
Construction of the deepest tube tunnel in the world, which was built on the sea level below the 60 meter, was completed and the rails were laid. 1 million cubic meters of sand, gravel and rock extracted for the construction of 1.4 km-long tunnel, 11 parts are composed. The carefully placed parts of the ditch to the sea floor are merged at a depth of 60 meters.
GEBZE, HALKALI 105 MINUTES
With the project, the railway lines on both sides of the Bosphorus will be connected by a rail tunnel connection that will pass under the Bosphorus. The line will go underground in Kazlıçeşme; It will travel along Yenikapı and Sirkeci, which are new underground stations, pass under the Bosphorus and connect to Üsküdar, another new underground station, and surface again in Söğütlüçeşme. With the project Gebze-Halkalı 105 minutes between Bostancı-Bakırköy 37 minutes and Üsküdar-Sirkeci 4 minutes.
OPENING ON 29 OCTOBER 2013
Marmaray, one of the largest transportation infrastructure projects in the world, is flooded with visitors. Stating that since the project started in 2004, scientific circles, academics and students have attracted great attention, the officials said, “We have nearly 15 thousand visitors. Our visitors came from many countries, many universities, non-governmental organizations. This is very important for the promotion of both the project and our country. ” Authorities stated that the project has reached the point that can be exited from Kazlıçeşme when entering from Ayrılıkçeşme, “Tunnels are now connected to each other. As the 29th of October 2013 pronounced by our Prime Minister,
We make an effort. ”
EARTHQUAKE RESISTANT IN 7.5
Authorities said the project was designed to be an earthquake resistant 7.5-sized earthquake, and the security measures taken were as follows:
“There are emergency exits at 200 meters. The fire safety of the system will be built inside the tunnel and station buildings. There is no air flow at the construction site right now. However, when the system is activated, air supply units will be added to the system. These will provide sufficient air in the tunnel. ”