Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Frame bridge passing through existing railroad bridge downwards and construction method thereof
The embodiment of the invention relates to the technical field of bridge engineering, in particular to a frame bridge penetrating through an existing railroad bridge downwards and a construction method of the frame bridge. The construction method comprises the following steps: excavating a working pit; prefabricating a frame bridge in the working pit; constructing isolation piles; digging soil ona jacking line of the prefabricated frame bridge; constructing a top beam and a cross arm at the top of the isolation piles, and taking soil cooperatively; and performing jacking construction of the prefabricated frame bridge. When the construction method is adopted to construct the frame bridge, pier deformation of a railway bridge can meet the standard requirement, smoothness and stability of arailway line are ensured, and then railway traffic safety is ensured.
本申请实施例涉及桥梁工程技术领域，具体地，涉及一种下穿既有铁路桥梁的框架桥及其施工方法。该施工方法包括以下步骤：开挖工作坑；在工作坑中预制框架桥；施工隔离桩；在预制框架桥的顶进线路上挖土；在隔离桩的顶部施工冠梁和横撑，并配合取土；预制框架桥顶进施工。采用上述施工方法施工框架桥时，能够使铁路桥梁的桥墩变形满足规范要求，确保铁路线路平顺稳定，进而保证铁路行车安全。
Frame bridge passing through existing railroad bridge downwards and construction method thereof
The embodiment of the invention relates to the technical field of bridge engineering, in particular to a frame bridge penetrating through an existing railroad bridge downwards and a construction method of the frame bridge. The construction method comprises the following steps: excavating a working pit; prefabricating a frame bridge in the working pit; constructing isolation piles; digging soil ona jacking line of the prefabricated frame bridge; constructing a top beam and a cross arm at the top of the isolation piles, and taking soil cooperatively; and performing jacking construction of the prefabricated frame bridge. When the construction method is adopted to construct the frame bridge, pier deformation of a railway bridge can meet the standard requirement, smoothness and stability of arailway line are ensured, and then railway traffic safety is ensured.
本申请实施例涉及桥梁工程技术领域，具体地，涉及一种下穿既有铁路桥梁的框架桥及其施工方法。该施工方法包括以下步骤：开挖工作坑；在工作坑中预制框架桥；施工隔离桩；在预制框架桥的顶进线路上挖土；在隔离桩的顶部施工冠梁和横撑，并配合取土；预制框架桥顶进施工。采用上述施工方法施工框架桥时，能够使铁路桥梁的桥墩变形满足规范要求，确保铁路线路平顺稳定，进而保证铁路行车安全。
Frame bridge passing through existing railroad bridge downwards and construction method thereof
一种下穿既有铁路桥梁的框架桥及其施工方法
PANG YUANZHI (Autor:in) / WANG XINSHUN (Autor:in) / LIU JINGUO (Autor:in) / GUO XIAOLIANG (Autor:in) / WANG SHUNYAO (Autor:in) / JIANG RONGFENG (Autor:in) / XU ZONGBAO (Autor:in) / LIU JUN (Autor:in) / TIAN FENG (Autor:in)
12.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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