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World's largest-diameter underwater shield tunnel achieves dual breakthrough in China(1/3)_蜘蛛资讯网

Service/Xiao Yu)    The Huanggang Road Yellow River Tunnel in Jinan, east China's Shandong Province was fully completed on Tuesday, marking the dual breakthrough of the world's la

the shield tunneling method. The project deployed the "Shanhe" shield machine, featuring an excavation diameter of 17.5 meters. Designed as a single-bore, double-deck tunnel, it accommodates six lane

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