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高速公路改扩建工程路面拼接反开挖施工技术研究
Author(s) -
喻杰 王
Publication year - 2020
Publication title -
智能城市应用
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2717-5391
pISSN - 2630-5305
DOI - 10.33142/sca.v3i1.1519
Subject(s) - political science
济青高速改扩建工程施工为边通车边施工全程基本保四力争不分流特殊情况下以诱导分流为主强制分流为辅。第一阶段施工老路正常通车运行双向四车道通车老路路基边坡按台阶进行开挖路基填筑高程按照现状标高填筑宽度按照设计标高放坡。第二阶段施工老路正常通车运行双向四车道通车路基段挖除左幅老路路基土路肩及路侧护栏并在行车边缘处连续设置临时安全设施左幅拼宽区按照现状标高铺设临时路面。第二阶段施工完成后左幅路面处于封闭施工状态整个路段已完成拼宽部分施工路面拼接形式为路槽拼接前按要求对老路硬路肩进行铣刨处理。文章结合济青高速公路改扩建工程实例针对对新旧路基、路面拼接部位反开挖进行技术探讨为后续改扩建工程新旧路面拼接施工积累经验。

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