老城区现有道路综合管廊与高架路建设相结合案例
发布时间：2018-10-13 13:18
【摘要】：以赣州市文明大道综合管廊工程为例,对老城区现有道路建设地下综合管廊的难点、必要性、施工方法、断面型式以及与高架路相结合的同步实施方案进行了分析论证。老城区现有道路在具备开挖条件的路段,为缩短工程工期,降低对地面交通的影响,推荐采用明挖预制拼装法施工,局部路口处或其他开挖难度大的路段采用顶进法。采用预应力钢筋混凝土圆管涵作预制管廊本体,受力条件好,预制件加工精度能够保证,拼装技术可靠。综合管廊与高架路工程同步实施,可节约地下空间,减少二次开挖影响,加快施工进度。
[Abstract]:Taking the comprehensive pipe gallery project of Ganzhou City Wencheng Avenue as an example, this paper analyzes and demonstrates the difficulties, necessity, construction method, section type and synchronous implementation scheme of the existing road construction in the old urban area combined with the viaduct. In order to shorten the construction period and reduce the influence on the ground traffic, the prefabricated assembly method is recommended for the construction of the existing roads in the old urban area, and the jacking method is adopted at local intersections or other sections of roads where excavation is difficult. The prestressed reinforced concrete pipe culvert is used as the prefabricated pipe gallery body, the stress condition is good, the machining precision of prefabricated parts can be guaranteed, and the assembling technology is reliable. The implementation of integrated pipe gallery and viaduct project simultaneously can save underground space, reduce the influence of secondary excavation, and accelerate the construction progress.
【作者单位】： 达濠市政建设有限公司;赣州市城乡建设局;中国市政工程华北设计研究总院有限公司;
【分类号】：TU990.3;U415
本文编号：2268771
[Abstract]:Taking the comprehensive pipe gallery project of Ganzhou City Wencheng Avenue as an example, this paper analyzes and demonstrates the difficulties, necessity, construction method, section type and synchronous implementation scheme of the existing road construction in the old urban area combined with the viaduct. In order to shorten the construction period and reduce the influence on the ground traffic, the prefabricated assembly method is recommended for the construction of the existing roads in the old urban area, and the jacking method is adopted at local intersections or other sections of roads where excavation is difficult. The prestressed reinforced concrete pipe culvert is used as the prefabricated pipe gallery body, the stress condition is good, the machining precision of prefabricated parts can be guaranteed, and the assembling technology is reliable. The implementation of integrated pipe gallery and viaduct project simultaneously can save underground space, reduce the influence of secondary excavation, and accelerate the construction progress.
【作者单位】： 达濠市政建设有限公司;赣州市城乡建设局;中国市政工程华北设计研究总院有限公司;
【分类号】：TU990.3;U415
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，本文编号：2268771
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