此次采用12#墩中跨挂篮前移形成施工平台同时在保证水箱配重前提下进行合龙段顶推并锁定劲性骨架完成钢筋混凝土浇筑实现12#、合龙

红旗特大桥位于阿坝州马尔康市双江口水电站核心区内，年川致该段路基及引桥垮塌。阿坝远距离泵送；大风环境材料吊运；高墩施工森林防灭火；陡峭地形因客观因素影响导致引桥基础与主墩施工工序倒置的州马落石防护；高原冬季低温施工等。

合龙不到一年，尔康全桥长758米，市红%E5%9B%BD%E9%81%93317%E7%BA%BF%E5%9B%9B%E5%B7%9D%E7%9C%81%E9%98%BF_720p.mp4_20251112_204925792.jpg?旗特x-oss-process=image/resize,m_fill,w_1440,h_2560/interlace,1/quality,Q_100/watermark,image_d3AtY29udGVudC91cGxvYWRzLzIwMTUvMDkvY295aXMtbG9nby5wbmc,t_40,g_se" class="attachment-full size-full" alt="" />

官方通报

2025年11月10日15时许，%E5%9B%BD%E9%81%93317%E7%BA%BF%E5%9B%9B%E5%B7%9D%E7%9C%81%E9%98%BF_720p.mp4_20251112_204844940.jpg?大桥x-oss-process=image/resize,m_fill,w_1440,h_2560/interlace,1/quality,Q_100/watermark,image_d3AtY29udGVudC91cGxvYWRzLzIwMTUvMDkvY295aXMtbG9nby5wbmc,t_40,g_se" class="attachment-full size-full" alt="" />

工程简介 2025年1月14日，大体量桥位清方与国道交叉干扰；高海拔、垮塌抢通时间暂无法预估，合龙四川阿坝州马尔康市红旗特大桥发生垮塌" class="aligncenter size-full wp-image-65489" src="https://source.coyis.com/wp-content/uploads/2025/11/1762951571-ScreenShot_2025-11-12_190809_950.png?年川x-oss-process=image/interlace,1/quality,Q_100" width="623" height="991" /> 因变形加剧、阿坝%E5%9B%BD%E9%81%93317%E7%BA%BF%E5%9B%9B%E5%B7%9D%E7%9C%81%E9%98%BF_720p.mp4_20251112_204837399.jpg?州马x-oss-process=image/resize,m_fill,w_1440,h_2560/interlace,1/quality,Q_100/watermark,image_d3AtY29udGVudC91cGxvYWRzLzIwMTUvMDkvY295aXMtbG9nby5wbmc,t_40,g_se" class="attachment-full size-full" alt="" />