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China: Two CREG TBMs completed boring for China’s deepest undersea tunnel at Pearl River
- maximum underwater depth of 115 meters with a maximum water pressure of up to 1.06 MPa
- Two China Railway Engineering Equipment Group Co., Ltd. (CREG) Tunnel Boring Machines excavated from each end the 13.69 kilometers tunnel.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.globaltimes.cn/page/202408/1318007.shtml
Tunnel boring completed for China’s deepest undersea tunnel at Pearl River
www.globaltimes.cnAn ultra-large-diameter shield tunnel boring machine has completed all 1,468 ring excavations, reaching the predetermined mileage, as part of China's deepest underwater tunnel – the Pearl River Tunnel, a section of the Shenzhen-Jiangmen Railway,...