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社评“葡萄收获期1970 复古”-知识课堂

西藏S5线拉萨葡萄收获期1970 复古至泽当快速公路建成通车 全线长47.46公里

来源: 新华日报
2024-12-19 22:57:48

最佳回答

“葡萄收获期1970 复古”西藏S5线拉萨葡萄收获期1970 复古至泽当快速公路建成通车 全线长47.46公里

  中新葡萄收获期1970 复古网拉萨12月19日电(泽葡萄收获期1970 复古塔雍措)西藏S5线拉萨至泽当快速公路18日正式通车,该公路全线长47.46公里,拉萨市与山南市之间的行车距离缩短65公里,两市间车程将由3小时缩短至1小时。这条快速公路的建成通车,将极大便利两市往来,并带动沿线旅游和农牧业等产业发展。

  据了解,西藏S5线拉萨至泽当快速公路起于拉萨市达孜区德庆镇拉林高速互通枢纽,起点与拉林高速相接,止于山南市扎囊县桑耶镇贡泽高速公路。项葡萄收获期1970 复古目概算总投资94.3亿元(人民币),其设计采用双向四车道一级公路标准建设,设计时速80公里,含互通式立交桥2座,服务区兼互通1处、枢纽互通式2处。该项目的建成对于推动拉萨-山南一体化发展、构建“五城三小时经济圈”具有重要意义。

  圭嘎拉隧道项目,是S5线项目全线控制性工程,也是高海拔地区世界第一长的公路隧道。隧道全长12.8千米,平均海拔4300米,存在岩爆、高地应力、偏压、煤层瓦斯等不良地质和多重施工挑战。

  中交二公局西藏拉泽隧道项目副经理贾浩浩说:“为解决隧道掘进距离过长、通风困难、粉尘较大的问题,我们与长安大学合作,采用巷道式通风,引入电动装载机、电动挖掘机、台车等,在实现低碳排放的同时,极大改善洞内的通风环境。同时,通过引入一些先进的机械设备,比如湿喷机械手、自行式液压栈桥等,通过机械化减人、自动化换人,减少工人的作业强度,降低工人的施工作业风险。”

  记者了解到,S5线利用拉萨至山南古道为走廊,沿多雄朗沟经念喀村、新仓村,设隧道穿越圭嘎拉山,出隧道后沿莫朗沟南行,经加木雄、聂果村,该线的建成,让沿线民众的出行之路更加便捷,也能极大带动沿线乡村经济发展。(完)

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