因变形加剧 、合龙全桥长758米,年川金川县、阿坝大体量桥位清方与国道交叉干扰;高海拔、州马远距离泵送;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尔康落石防护;高原冬季低温施工等 。13#墩中跨合龙。市红

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工程简介

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