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A platform for research: civil engineering, architecture and urbanism
Large-span side-span cast-in-place section construction method
The invention provides a construction method of a large-span side-span cast-in-place section, which comprises the following steps of: firstly constructing a steel foundation, and then arranging a cast-in-place bracket on the steel foundation; according to the steel foundation construction, steel pipe piles, spandrel girders, main girders and distribution girders are sequentially constructed from bottom to top, connection construction is conducted after the steel pipe piles are constructed, steel pipe Bailey foundations are adopted as steel foundations, pre-buried shear pins are adopted as supports during pier body construction at pier bodies, and Bailey girders are adopted as the main girders. And the bailey beams are formed by double-layer bailey pieces during construction of crossing the levee. A steel pipe Bailey foundation is adopted as a steel foundation, shear pins are pre-buried as supports during construction of the pier body along the pier body, a Bailey beam is adopted as a main beam, and double-layer Bailey is adopted during construction of crossing existing buildings (existing roads and levees), so that the large span is realized. The penetration depth and penetration double control is adopted for pipe pile inserting and driving, steel pipe penetration depth control is mainly designed and calculated, penetration control is assisted, and it is ensured that the foundation bearing capacity meets the requirement.
本发明提供了一种大跨径边跨现浇段施工方法，先施工钢基础，然后在钢基础上设置现浇支架；其中，钢基础施工按照钢管桩、承重梁、主梁和分配梁从下至上依次施工，钢管桩施工完后进行联系结施工，钢基础采用钢管贝雷基础，在墩身处采用墩身施工时预埋剪力销作为支撑，主梁采用贝雷梁，在跨越大堤时施工采用双层贝雷片组成贝雷梁。本发明钢基础采用钢管贝雷基础，在墩身处沿用墩身施工时预埋剪力销作为支撑，主梁采用贝雷梁，在跨越既有建筑（既有道路和大堤）施工时采用双层贝雷，实现大跨径。管桩插打采用入土深度和贯入度双控，以设计计算钢管入土深度控制为主，贯入度控制为辅，确保基础承载力满足要求。
Large-span side-span cast-in-place section construction method
The invention provides a construction method of a large-span side-span cast-in-place section, which comprises the following steps of: firstly constructing a steel foundation, and then arranging a cast-in-place bracket on the steel foundation; according to the steel foundation construction, steel pipe piles, spandrel girders, main girders and distribution girders are sequentially constructed from bottom to top, connection construction is conducted after the steel pipe piles are constructed, steel pipe Bailey foundations are adopted as steel foundations, pre-buried shear pins are adopted as supports during pier body construction at pier bodies, and Bailey girders are adopted as the main girders. And the bailey beams are formed by double-layer bailey pieces during construction of crossing the levee. A steel pipe Bailey foundation is adopted as a steel foundation, shear pins are pre-buried as supports during construction of the pier body along the pier body, a Bailey beam is adopted as a main beam, and double-layer Bailey is adopted during construction of crossing existing buildings (existing roads and levees), so that the large span is realized. The penetration depth and penetration double control is adopted for pipe pile inserting and driving, steel pipe penetration depth control is mainly designed and calculated, penetration control is assisted, and it is ensured that the foundation bearing capacity meets the requirement.
本发明提供了一种大跨径边跨现浇段施工方法，先施工钢基础，然后在钢基础上设置现浇支架；其中，钢基础施工按照钢管桩、承重梁、主梁和分配梁从下至上依次施工，钢管桩施工完后进行联系结施工，钢基础采用钢管贝雷基础，在墩身处采用墩身施工时预埋剪力销作为支撑，主梁采用贝雷梁，在跨越大堤时施工采用双层贝雷片组成贝雷梁。本发明钢基础采用钢管贝雷基础，在墩身处沿用墩身施工时预埋剪力销作为支撑，主梁采用贝雷梁，在跨越既有建筑（既有道路和大堤）施工时采用双层贝雷，实现大跨径。管桩插打采用入土深度和贯入度双控，以设计计算钢管入土深度控制为主，贯入度控制为辅，确保基础承载力满足要求。
Large-span side-span cast-in-place section construction method
一种大跨径边跨现浇段施工方法
BAI YANG (author) / JU RUNZE (author) / WANG BO (author) / WANG WEI (author) / ZHA DAOHAN (author) / ZHOU KAIKAI (author) / ZHANG HANG (author)
2024-07-09
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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