Recently, there has been new progress in the highway under construction in Wenshan Prefecture. The last piece of prefabricated T-beam of the No. 2 bridge of the E ramp of the Xichou interchange of the Naxing Expressway project was installed in place, marking the completion of all the T-beam erection work of the opening section of the ninth civil engineering division of the Naxing Expressway, and the main construction of the project was basically completed. The length of the main line of the ninth civil engineering section of the Naxing Expressway is 1.85 kilometers, with a total of 5 bridges and 616 prefabricated T beams.
The Tianma high-speed TJ-3 standard project officially kicked off the prelude to the erection of beams and plates. The Tianma Expressway was constructed by CCCC Second Harbor Bureau, with a total length of 52.831 kilometers and a bridge-tunnel ratio of 80.4%, including 27 bridges. Among them, the total length of the TJ-3 section of Tianma Expressway is 17.945 kilometers, and the ratio of bridges and tunnels is 82.8%, and the main construction content includes roadbed, bridges, tunnels, road surfaces, housing construction and greening. Up to now, 230 rows of piers have been poured in the construction of the TJ-3 substructure of Tianma Expressway, which can ensure continuous erection of beams. After the official launch of the bridge frame girder, the TJ-3 standard of Tianma Expressway will steadily promote the erection of beams and plates at a rate of 35 per week.
Source: Audiovisual Wenshan
New Media Editor: Wu Jixiang
First trial: Tang Qingyan Second trial: Zhu Yunrun Third trial: Li Xingwei