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起底郑州地铁5号线事故:倒灌雨水冲垮挡水墙,错失有效预警_陈风


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起底郑州地铁5号线事故:倒灌雨水冲垮挡水墙,错失有效预警
原标题:起底郑州地铁5号线事故:倒灌雨水冲垮挡水墙,错失有效预警
郑州地铁5号线500余乘客被困12人遇难 回顾生死3小时
郑州地铁全部暂停运行,重启时间暂不确定。图片来源:视觉中国
据郑州地铁官方通报,7月20日,河南省郑州市突降罕见特大暴雨,造成郑州地铁5号线五龙口停车场及其周 ....

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起底郑州地铁5号线事故:倒灌雨水冲垮挡水墙,错失有效预警


起底郑州地铁5号线事故:倒灌雨水冲垮挡水墙,错失有效预警
郑州地铁5号线事故引发的质疑仍未获得解答。其中主要问题包括两方面:地铁运营公司在当地气象局发布暴雨红色预警后,是否采取应对措施;第二是在大量的积水冲破挡水墙、进入地铁运营正线前,是否获得了足够的重视。
7月22日,21世纪经济报道记者就上述问题,依据多位当事乘客的回忆还原了5号线的运行轨迹,实地走访了地铁5号线沙口路站的多个出入口,并采访了多位人士,其中包括参加过郑州地铁5号线施工的相关工程技术人员,亦包括地铁运营人士。
登上地铁5号线的乘客
下午4点,回郑州北郊老家的王女士从5号线陇海西路站出站,她发现地铁站外正暴雨如注,“马路上积水已经没过车轮,打不到出租车,我在地铁口滞留了一个小时,才成功订到最近的酒店� ....

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起底郑州地铁5号线事故:倒灌雨水冲垮挡水墙,错失有效预警 - 未名空间(mitbbs.com)


Mitbbs.com
Mitbbs.com
上述地铁运营人士称,即使未来相关法律法规或标准将进行修订,也不能完全满足现实情况。“每个城市的地下情况、河流情况、降水情况都不一致,因此一套标准无法适用于各个城市的实际情况”,该人士说,“以郑州地铁5号线为例,全长40多公里,车站共有32座,每一座车站所处的环境又不一致,有一个车站地势高,排水性好,而如海滩寺街站和沙口路站则在相对低洼处,因此在设计的过程中,要考虑每一个车站的实际情况,正是由于地铁前期设计和施工过程中,对可能出现的极端天气而造成的防洪涝设计缺乏前瞻性,才导致国内很多地铁在建成后屡遭雨水倒灌。”
Mitbbs.com
Mitbbs.com
Mitbbs.com ....

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