Successful closure of 100m continuous beam across Shanghai Shaanxi Expressway

Around the early morning of this morning, the largest continuous beam of the super large bridge crossing the G40 Shanghai Shaanxi high speed was successfully closed, which opened a "breakpoint" for the next girder erecting machine construction work. The "artery" connecting Nantong railway station and the new Nantong bullet train station is expected to complete the whole girder erecting work in the middle of next month. A 6031 a 6031 Yantong railway motor train running line super large bridge spans more than 240 meters of the continuous beam of G40 Shanghai Shaanxi Expressway, which is divided into three spans. The closure section is located on the 100 meter middle span of the upper span of Shanghai Shaanxi Expressway. Due to the large span and traffic flow, the beam is in curve radian, which is the control project of the whole line. The construction unit shall select midnight when the temperature is the lowest and the beam is most obviously cooled and contracted to ensure the best construction quality. The

Yantong railway EMU running line is led out from Nantong railway station and connected to Nantong EMU under construction, with a total length of about 4 km. The line grade is double track passenger dedicated line, with a design speed of 120 km / h. The continuous beam is used to successively cross Chengbei Avenue, G40 Shanghai Shaanxi Expressway and Tongliu highway, with a C-shaped trend. The continuous beam across G40 Shanghai Shaanxi Expressway is the longest and the last continuous beam in the whole line. After closing, the working channel of beam erecting machine will be completely opened. It is expected that the continuous laying and erecting of the whole line will be completed by January 15, 2020.

in addition to the motor train running line, the interconnection lines of the Yantong railway, the Shanghai Stock connect railway under construction and the existing Nanjing Qidong railway are also under construction at the same time. The left and right connecting lines of Shanghai Stock connect and Yantong are led out from Nantong west station to the direction of Yantong. At present, the girder erection of the right line is basically completed; the upper and lower connecting lines of Ningqi Yantong are led out from Nantong Station to the direction of Yantong. Four connecting lines meet at Pingchao National Road Village, Tongzhou. The whole project is expected to be ready for delivery and track laying in June next year.