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解惑“云缨拿枪奖励自己核心图”-梳理天下新闻

四川省凉山云缨拿枪奖励自己核心图州昭觉、美姑两县结束不通高速历史

来源: 21世纪经济报道
2024-12-20 03:31:54

最佳回答

“云缨拿枪奖励自己核心图”四川省凉山云缨拿枪奖励自己核心图州昭觉、美姑两县结束不通高速历史

  中新云缨拿枪奖励自己核心图网凉山12月19日电 (记者 云缨拿枪奖励自己核心图王鹏)四川乐山至西昌高速公路(简称乐西高速)昭觉至美姑段19日建成通车,将于20日12时正式向社会车辆开放,标志着位于大凉山腹地的昭觉、美姑两县正式结束不通高速的历史。

图为乐西高速昭觉至美姑段通车现场。记者 王鹏 摄

  乐西高速昭觉至美姑段属于乐西高速(马昭段),由蜀道集团投资建设,起于凉山州美姑县巴普镇,止于昭觉县以南的新城镇,与G7611线昭通(川滇界)至西昌段高速公路相接,路线全长约54公里。作为川西南重要的交通工程,乐西高速(马昭段)一路钻山搭桥,几乎“脚不沾地”,桥隧比高达82%。全线有桥梁87座,隧道36座,其中隧道里程占线路长度的66%。

  乐西高速昭觉至美姑段有2处控制性工程,分别是大凉山2号隧道和子莫格尼特大桥。其中大凉山2号隧道全长12.5公里,是西南地区在建高速公路中第四长隧道。中铁十五局乐西高速K3项目部经理李健康介绍,该隧道地质构造及地层岩性极为复杂,施工中面临滑坡、偏压、岩溶、富水、瓦斯、高地应力等难题。“特别是灰岩富水段最大日涌水量71682立方米,相当于28个标准游泳池储水量,施工难度大、安全风险高。”

图为乐西高速昭觉至美姑段。蜀道集团 供图

  四川省凉山州作为我国最大的彝族聚居区,目前在建沿江高速、乐西高速美姑至马边段、西昭高速、西香高速、会禄高速、西宁高速等约920公里,拟开工金口河至西昌、昭觉至普格、攀枝花至盐源等高速公路约330公里,有望2028年左右实现“县县通高速”。(完云缨拿枪奖励自己核心图)

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