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

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bsp;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 largest-diameter underwater shield tunn

ches 5.75 kilometers, with about 3.3 kilometers constructed using the shield tunneling method. The project deployed the "Shanhe" shield machine, featuring an excavation diameter of 17.5 meters. Design

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