A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction method for existing building outer frame bearing column reinforcing system
The invention discloses a construction method for an existing building outer frame bearing column reinforcing system, which comprises the following steps: drilling holes in the periphery of an outer frame bearing column of an existing building, lowering a reinforcement cage in the drilled holes, and pouring concrete to form a cast-in-place pile; after the cast-in-place pile is formed, earthwork around the cast-in-place pile is excavated, and the upper portion of the cast-in-place pile is exposed out of the construction face; the exposed part of the cast-in-place pile is broken, so that a reinforcement cage of the cast-in-place pile is exposed; a concrete cushion layer is poured, and the contact surface of the bearing platform and the outer frame bearing column is cleaned and scabbled; reinforcing steel bars of the foundation beam and the bearing platform are bound, so that the foundation beam, the bearing platform and the outer frame bearing column are connected into a whole; formworks of a foundation beam and a bearing platform are erected, and the foundation beam and the bearing platform are poured through concrete; earthwork is excavated for the second time, so that the bottoms of the bearing columns of the outer frame are exposed; and the surfaces of the cast-in-place piles are cleaned, steel sleeves are installed on the peripheral sides, and the supporting pieces are welded to the steel sleeves of the adjacent cast-in-place piles in a crossed mode.
本发明公开了一种用于既有建筑外框架承重柱加固体系的施工方法，其包括：在既有建筑的外框架承重柱的周边钻孔，在钻孔内下放钢筋笼并浇筑混凝土，以形成灌注桩；待灌注桩成型后，开挖灌注桩周边的土方，使得灌注桩的上部露于施工面；破除灌注桩上露部分，使得灌注桩的钢筋笼显露于外；浇筑混凝土垫层，清理、凿毛承台与外框架承重柱的接触表面；绑扎基础梁及承台的钢筋，使得基础梁、承台与外框架承重柱连接为一体；支设基础梁及承台的模板，使用混凝土浇筑基础梁及承台；二次开挖土方，使得外框架承重柱的底部外露；清理灌注桩表面并在外周侧安装钢套管，将支撑件交叉焊接于相邻灌注桩的钢套管上。
Construction method for existing building outer frame bearing column reinforcing system
The invention discloses a construction method for an existing building outer frame bearing column reinforcing system, which comprises the following steps: drilling holes in the periphery of an outer frame bearing column of an existing building, lowering a reinforcement cage in the drilled holes, and pouring concrete to form a cast-in-place pile; after the cast-in-place pile is formed, earthwork around the cast-in-place pile is excavated, and the upper portion of the cast-in-place pile is exposed out of the construction face; the exposed part of the cast-in-place pile is broken, so that a reinforcement cage of the cast-in-place pile is exposed; a concrete cushion layer is poured, and the contact surface of the bearing platform and the outer frame bearing column is cleaned and scabbled; reinforcing steel bars of the foundation beam and the bearing platform are bound, so that the foundation beam, the bearing platform and the outer frame bearing column are connected into a whole; formworks of a foundation beam and a bearing platform are erected, and the foundation beam and the bearing platform are poured through concrete; earthwork is excavated for the second time, so that the bottoms of the bearing columns of the outer frame are exposed; and the surfaces of the cast-in-place piles are cleaned, steel sleeves are installed on the peripheral sides, and the supporting pieces are welded to the steel sleeves of the adjacent cast-in-place piles in a crossed mode.
本发明公开了一种用于既有建筑外框架承重柱加固体系的施工方法，其包括：在既有建筑的外框架承重柱的周边钻孔，在钻孔内下放钢筋笼并浇筑混凝土，以形成灌注桩；待灌注桩成型后，开挖灌注桩周边的土方，使得灌注桩的上部露于施工面；破除灌注桩上露部分，使得灌注桩的钢筋笼显露于外；浇筑混凝土垫层，清理、凿毛承台与外框架承重柱的接触表面；绑扎基础梁及承台的钢筋，使得基础梁、承台与外框架承重柱连接为一体；支设基础梁及承台的模板，使用混凝土浇筑基础梁及承台；二次开挖土方，使得外框架承重柱的底部外露；清理灌注桩表面并在外周侧安装钢套管，将支撑件交叉焊接于相邻灌注桩的钢套管上。
Construction method for existing building outer frame bearing column reinforcing system
一种用于既有建筑外框架承重柱加固体系的施工方法
WEN XUE (author) / ZHANG MANJIANGHONG (author) / LIU LONGLONG (author) / LI KEQIN (author) / LU LIYU (author)
2024-08-02
Patent
Electronic Resource
Chinese
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