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A platform for research: civil engineering, architecture and urbanism
Prefabricated box girder wet joint construction method
The invention relates to the field of bridge engineering, in particular to a prefabricated box girder wet joint construction method which comprises the steps that a box girder is prefabricated in a factory, connecting steel bars are embedded in the two sides of the box girder respectively, and the highest points of all the connecting steel bars on the same side of the box girder are kept on the same horizontal plane during prefabrication; transporting and hoisting the prefabricated box girder to a construction site; downward pressing pieces are arranged above the connecting steel bars correspondingly, and all the downward pressing pieces are arranged in the arrangement direction of the connecting steel bars in a full-length mode; pressing down the pressing piece to enable the highest points of all the connecting steel bars on the same side to be kept on the same horizontal plane; wet joint concrete on one side is poured, and in the concrete pouring process, it is always kept that the pressing piece on the other side presses the connecting steel bars downwards; and wet joint construction of the box girder is completed. In the pouring process of the wet joint concrete on one side of the box girder, the connecting steel bars on the other side of the box girder are always kept in the downward pressing state, the connecting steel bars on the other side are prevented from being tilted in the pouring process, and the straightness of the connecting steel bars and the wet joint construction quality are improved.
本发明涉及桥梁工程领域，具体涉及一种预制箱梁湿接缝施工方法，包括在工厂预制箱梁，在箱梁的两侧分别预埋连接钢筋，预制时使得箱梁同一侧所有连接钢筋的最高点保持在同一水平面；将预制完成的箱梁运输、吊装至施工现场；分别在连接钢筋的上方设置下压件，所有下压件均沿连接钢筋的排布方向通长布置；下压下压件，使得同一侧所有连接钢筋的最高点保持在同一水平面；浇筑一侧湿接缝混凝土，在混凝土浇筑过程中始终保持另一侧的下压件下压连接钢筋；完成箱梁的湿接缝施工。本发明在箱梁一侧湿接缝混凝土的浇筑过程中，始终保持箱梁另一侧的连接钢筋处于下压状态，避免了浇筑过程中另一侧的连接钢筋翘起，提高了连接钢筋的顺直度和湿接缝施工质量。
Prefabricated box girder wet joint construction method
The invention relates to the field of bridge engineering, in particular to a prefabricated box girder wet joint construction method which comprises the steps that a box girder is prefabricated in a factory, connecting steel bars are embedded in the two sides of the box girder respectively, and the highest points of all the connecting steel bars on the same side of the box girder are kept on the same horizontal plane during prefabrication; transporting and hoisting the prefabricated box girder to a construction site; downward pressing pieces are arranged above the connecting steel bars correspondingly, and all the downward pressing pieces are arranged in the arrangement direction of the connecting steel bars in a full-length mode; pressing down the pressing piece to enable the highest points of all the connecting steel bars on the same side to be kept on the same horizontal plane; wet joint concrete on one side is poured, and in the concrete pouring process, it is always kept that the pressing piece on the other side presses the connecting steel bars downwards; and wet joint construction of the box girder is completed. In the pouring process of the wet joint concrete on one side of the box girder, the connecting steel bars on the other side of the box girder are always kept in the downward pressing state, the connecting steel bars on the other side are prevented from being tilted in the pouring process, and the straightness of the connecting steel bars and the wet joint construction quality are improved.
本发明涉及桥梁工程领域，具体涉及一种预制箱梁湿接缝施工方法，包括在工厂预制箱梁，在箱梁的两侧分别预埋连接钢筋，预制时使得箱梁同一侧所有连接钢筋的最高点保持在同一水平面；将预制完成的箱梁运输、吊装至施工现场；分别在连接钢筋的上方设置下压件，所有下压件均沿连接钢筋的排布方向通长布置；下压下压件，使得同一侧所有连接钢筋的最高点保持在同一水平面；浇筑一侧湿接缝混凝土，在混凝土浇筑过程中始终保持另一侧的下压件下压连接钢筋；完成箱梁的湿接缝施工。本发明在箱梁一侧湿接缝混凝土的浇筑过程中，始终保持箱梁另一侧的连接钢筋处于下压状态，避免了浇筑过程中另一侧的连接钢筋翘起，提高了连接钢筋的顺直度和湿接缝施工质量。
Prefabricated box girder wet joint construction method
一种预制箱梁湿接缝施工方法
ZHAO JIAN (author) / MAI YAN (author) / WANG YONG (author) / LIU JIANDONG (author) / CHEN LI (author) / OU PINWEN (author) / LU RICHU (author) / YAN SHENGYANG (author) / NING FENGWEI (author)
2024-11-12
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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