Chongqing's first urban rail crossing the river tunnel to advance smoothly
Author:Railway construction newspaper Time:2022.09.15
The tourism on both sides of the Yangtze River is well -developed, business and trade, and high -rise buildings.The construction of Chongqing Metro Line 27, which is constructed by China Railway No. 1 Company, crossed the ancient city wall of Chongqing, and the south side is the land of Nanping International Commercial Center.Therefore, the plan to cross the river by tunnel.Chongqing Station — Houbao Station Division Wind Well (and Shield Start Failing Man) will cross the Yangtze River in the form of a tunnel, connect the Yuzhong District and South Bank District in series, and cross the river tunnel in Chongqing's first urban rail transit.
The construction site is adjacent to the Yangtze River
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Shield starting well is excavated
Chongqing Metro Line 27 is the first domestic urban area to undertake through the river express line, and the external railway conditions connecting the city (domain) railway conditions are the first domestic 140km/h speed.Demonstration project of the express line system; the double -cave and dual -line shield method through the Yangtze River is used. It is the first rail transit tunnel project built by the "dual -mode intelligent shield" under the Yangtze River in China.
Palm Noodle Construction
(Niu Rongjian Hou Ruobin Zhu Yuxun)
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