The first subway tunnel in Tianjin Binhai New Area will be completed with a total investment of 29.6 billion yuan

September 21, tianjin Binhai New Area under construction of the first subway line B1 xinjiayuan East station to Xinjiayuan station tunnel, which is also the first completed subway tunnel in Tianjin Binhai New Area.

As a key transportation project serving the coordinated development of The Beijing-Tianjin-Hebei region, Line B1 of tianjin Binhai New Area subway, with a total investment of about 29.6 billion yuan, is the first subway under construction in Tianjin Binhai New Area. The main line is 31.6 kilometers long and has 22 stations.

Subway Line B1, which connects tianjin Binhai Railway Station and Binhai West Railway Station, can seamlessly connect Beijing to Tianjin, Tianjin to Qin and the beijing-Tianjin high-speed railway under construction. It will play an important role in accelerating the integration of Beijing-Tianjin-Hebei transportation.

As a wide range of key control project, east xin jiayuan to xin jiayuan station tunnel, 1.4 km to wear under the tianjin qin high-speed operation and several weak silt and other special geological, engineering is difficult, the construction units with domestic automatic guidance system of shield machine and the automatic monitoring method, real-time monitoring excavation excavation and the surface subsidence, on the premise of to ensure normal operation of the high-speed rail safety through the tunnel, have created favorable conditions for a full schedule.