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央广网西安9月15日消息(记者刘涛 通讯员陈东)记者从陕西高速集团获悉,汉中至陕川界高速公路喜神坝至陕西省界段预计10月通车。随着正在由四川省加紧组织建设的米仓山隧道明年实现贯通,陕西、四川将新增一条快速通道。
汉中至陕川界高速公路喜神坝至陕西省界段全线长9.277公里,起点位于喜神坝立交,终点接陕川界米仓山隧道北口,采用高速公路技术标准建设,为全封闭、全立交高速公路,双向四车道,设计速度80km/h,整体式路基宽度24.5m,分离式路基宽度12.25m。设停车区1处(小坝观景台)、匝道收费站1处,主线收费站1处。
经参建人员全力奋战,克服重重困难,各项工程建设任务均衡稳步推进。截至目前,路基桥隧、路面工程已全部完成,交通安全工程剩余部分封闭工程,机电工程设备安装基本完成,部分设备已进入调试阶段,房建工程主线收费大棚基本完成,剩余部分装修,小坝观景台新增厕所、办公用房等设施正在加紧施工中,隧道装修、桥梁伸缩缝目前正在施工中,预计9月底全部完成,达到交工验收条件,10月可实现通车。
汉川项目首次在陕西高速公路建设项目中使用了旋转式护栏,在隧道内使用了反光环。“旋转式护栏”由排列的多个旋转防撞桶组成,如果汽车在高速行驶过程中撞向护栏,这些旋转桶能将撞击力量迅速转移,在吸收撞击力的同时,改变汽车撞击方向,降低冲击,减轻车祸的伤害程度。除此之外,这些特殊的旋转防撞桶还具有抗化学物质腐蚀、抗紫外老化等优点,一般情况下,它的使用寿命会超过十年。隧道加装反光环后,隧道内边界轮廓清晰,行车诱导效果改善,还可降低隧道照明用电量,具有很好的经济、环境和社会价值。起到安全警示作用,同时缓解视觉疲劳。
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