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Achievements

type

Repair and reinforcement project of Wushaoling Tunnel in Yonggu Section of G30 Lianhuo Expressway.


The section is from pile number K2386+470 to K2409+370.55, with a length of 22.9km. The No.1 Wushaoling tunnel is 4905m long; No.2 Wushaoling  tunnel is 6868m long; No.4 Wushaoling tunnel is 6333.45m. The Wushaoling tunnel is a two-way four-lane split tunnel with a design speed of 80KM/hour, a tunnel clear width of 10.25m, a height limit of 5m, and a maximum buried depth of 470m. It is an extra-long deep-buried stone tunnel.


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