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China: Face No. 1 of the left tunnel at the exit of Yangzong Tunnel of Fuyi Expressway was successfully connected
The total length of the left tube of Yangzong Tunnel is 7,773 meters, and the maximum burial depth of the tunnel is 572.62 meters. The main geological composition is mainly shale and limestone...
http://big5.news.cn/gate/big5/www.yn.xinhuanet.com/20240530/209064f002614c39a53f472cfeb51f7e/c.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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福宜高速陽宗隧道出口左洞1號面順利貫通_新華網
big5.news.cn福宜高速陽宗隧道出口左洞1號面順利貫通-同時該項目以精細化管理為指導，認真貫徹“預防為主，重在控制”的安全管理原則，建立從設計源頭開始到工程計劃、質量、安全環保等多方保障的嚴密體系，確保隧道掘進安全有序、質量可控、施工高效。