
9月26日,由中国水电八局承建的贵州省第一座交通输水两用大桥(西溪河大桥)主拱合龙。
西溪河交通输水两用大桥,是贵州凹水河水库库区的交通用桥,也是主输水管道跨越西溪河谷的输水用桥,对交通、输水共用桥梁设计具有重要借鉴意义,将为后续类似桥梁施工提供宝贵技术经验。大桥建成后,也对造福两岸人民、发展库区旅游等具有重要社会意义。
该桥按公路一级荷载设计,主拱净跨75米,矢高15米。首环首仓混凝土于2021年8月21日开始浇筑,9月26日主拱合龙,为确保2022年4月建成通车奠定了坚实基础。
据悉,该桥所在的凹水河水库工程,位于贵州省黔西市,主要工程任务是向黔西市供水,兼顾解决周边部分灌溉用水问题。
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