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川藏铁路计划建成完工日期为2032年11月08日。
现场施工情况如下:
1、这条总投资3000多亿元,从四川成都一直到西藏拉萨,从海拔几百米一直缓慢上升到3600米,光15公里以上的隧道就有22个,从2014年修建至今的史无前例的大工程。
2、川藏铁路修建要面临22个艰巨的隧道工程,其中项目最长、难度最大的隧道就是“易贡隧道”,全长42362米,在这样狭长的隧道内施工,没有信号不仅会影响工程进度,甚至还会危及施工员的生命安全。
3、覆盖地是“易贡隧道”的其中一段区域,有左右洞的双向车道,洞口距离左洞2KM,总覆盖路段长8.9公里。因为隧道大部分还在施工,所以目前只需要覆盖左右洞各1KM的信号值,后续会根据工程的推进慢慢覆盖完毕。
4、先在洞口处检查三网信号值,其中以移动4G信号表现最为优异。客户不需求三网同时增强,只需要把流畅信号值引入隧道内即可,所以推荐了双频款直放站主机。
5、先在洞口处安装大对数天线,接收流畅信号,在隧道内安装覆盖板状天线,调整好天线朝向,将室内外天线接入放大器主机并接通电源。