据悉,连接智利和阿根廷、耗资 16 亿美元的 Las Lenas 隧道的可行性研究已近完成。

该工程为双管公路隧道,全长11.6km,其中智利一侧2.6km,阿根廷一侧9km,它的设计平均坡度为 3%,海拔约2,040m。单条隧道高5.1m,车道宽7.3m,两侧各有宽1m的人行道。考虑到该隧道的截面几何形状与曲线半径,该隧道目前计划采用新奥法施工。
该隧道将由两国联合出资兴建,然而,在预期的10年工期开始前,还有数年的准备工作,目前工程的详细方案、环境设计等工作尚未开始。除了隧道外,两国都需要新建公路——阿根廷有60km新公路,智利有13km。
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