Xingwen section of xunbi Railway: the first tunnel has been successfully completed

Yibin news network, Nov. 5 (Ye Qingqing, Zeng Jiang) after the Chengdu Guiyang railway, the construction of the second railway, the xunbi railway, passing through Xingwen County, Yibin City, is speeding up

in recent days, in Dahe Miao nationality township, Xingwen County, the construction team is carrying out construction work on the remaining piers and abutments of qinggangbang fourth line super major bridge to prepare for the next step of erecting work. Qinggangbang fourth line super major bridge has a total length of 642.5m, a maximum span of 32m and a maximum pier column of 44m. The bridge, with 4 tracks, is the longest bridge in the whole line and the widest bridge deck of the railway. After completion, it is connected with the golden goose pond intermediate station, mainly responsible for the passing and parking tasks of trains Up to now, 90% of the work volume of the fourth qinggangbang super major bridge has been completed. It is expected that the substructure will be fully completed early next year At the construction site, the tunnel engineering has made remarkable progress in synchronization with the bridge engineering. In Xingwen section of the xunbi railway, the first caisangping tunnel was started. After 23 months of intensive construction, the builders overcame the difficulties of gas, karst and water gushing, and became the first one among the six tunnels in Xingwen section

it is understood that the Xubi railway, i.e. Luzhou Xuyong Guizhou Bijie section of the longhuang railway, has a total length of 180.6km. It is a regional trunk railway with the function of sharing passenger and freight lines. The design speed is 120km / h. It is expected to be completed and opened to traffic by the end of 2022. Among them, Xingwen section railway passes through Dahe Miao Township and Qilin Miao Township, with a total length of 12 kilometers. Jinechi intermediate station and caisangping passing station are set up in Xingwen County. The total investment of the offline project of Xingwen section is 374 million yuan. Six tunnels and six bridges will be built along the whole line, with a bridge tunnel ratio of more than 90% Up to now, the output value of Xingwen section of the railway has reached 230 million yuan, accounting for 62% of the total output value. Among them, about 7000 meters of tunnel excavation has been completed, accounting for 63% of the total progress; 60% of the section subgrade has been completed; all the excavation work has been completed in jinechi intermediate station, and about 70% of the filling work has been completed As a dual-purpose passenger and freight railway, the

railway will complement the Chengdu Guiyang railway as a passenger dedicated line to better promote local economic and social development.