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中国速度:48分钟,从香港坐高铁到广州

2017-06-18 16:41:48   光明网

城际高铁疾速前行,这次,一站直通香港与内地。

香港回归祖国20周年之际,一条连接香港和内地的长达26公里的高铁地下隧道正在进行通车前的动态调试。2018年,作为广深港高铁的香港段,它将正式接入国家高铁路网,届时,从香港到深圳福田只需14分钟,从香港到广州南只需48分钟。

柯士甸站内关于广深港高铁香港段的宣传语

“隧道施工,能遇上的地质都让我们遇上了”

香港路政署铁路拓展处处长陈派明介绍,这条隧道全程26公里,采取双洞设计,包括26公里的北行和26公里的南行,工程从2010年1月开始施工,到2017年3月已完成整体工程的90%,全长52公里的隧道在2015年12月已全线贯通,路轨也已完成铺设,并实现全线通电。

“广深港高铁通车后,将大大缩短内地到香港的交通时间,促进香港与珠三角及内地其他城市在旅游、商贸、创业、服务等行业的交流。”陈派明谈到,高铁通车后将有益于香港与内地城市的融合,促进香港和内地的长远发展。

模型演示高铁隧道施工过程

全程隧道,施工难度可想而知。香港铁路有限公司高速铁路项目发展经理林卫华介绍,由于隧道要经过市区、郊区、湿地,穿过花岗岩、复合土、软土甚至湿地等不同地质,甚至还有溶洞,所以施工难度非常大。

“可以说,隧道施工能遇上的地质都让我们遇上了。”陈派明谈到,针对不同的地质和环境,施工人员采用不同的方法,包括用盾构机、钻爆法、明挖回填法等。其中,超过一半的工程运用钻爆法,三成用盾构机,一些局部则明挖。

“接驳全国,48分钟从香港抵达广州”

西九龙站是广深港高铁设在香港境内的唯一站点,目前正在建设中,高铁开通后,预计香港西九龙站日均旅客输送量或达到10.9万人次。

对于为何将高铁站选址于西九龙,林卫华解释道,西九龙临近香港大部分的商业、购物、酒店及住宅区,是高铁乘客主要的出行起点和目的地。毗邻的西九文化区也将兴建多座优质商业大楼。

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