A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bridge prefabricated support padstone construction method
The invention provides a bridge prefabricated support padstone construction method. After anchor bolt hole embedded parts and hoisting hole embedded parts are arranged in a prefabricated formwork, concrete is injected for padstone prefabrication; the padstone is transported to the site and then hoisted to the overturning support, the padstone is overturned, the anchoring steel bars on the padstone are made to face downwards, and the anchor bolt holes are made to face upwards; hoisting the positioning bracket to the pier top of the bridge support, and correspondingly connecting the positioning bracket with the pier body template; the padstone is hoisted to the positioning support through the hoisting tool, and after hoisting is completed, the padstone is aligned and leveled; and the padstone and the bridge support are poured into a whole. According to the device, front-back, left-right and up-down three-dimensional adjustment of the plane and elevation positions of the prefabricated padstone can be achieved, the position of the prefabricated padstone is accurate so as to meet the design requirement, then the adjusted prefabricated padstone is positioned through the positioning mechanism, the padstone construction precision is guaranteed, site pouring is not needed by using the prefabricated padstone, and the construction efficiency is improved. And incompact concrete vibration caused by dense reinforcing steel bars is avoided.
本发明提供一种桥梁预制支座垫石施工工法，在预制模板内布置锚栓孔预埋件、吊装孔预埋件后注入混凝土进行垫石预制；将垫石运输至现场后吊装至翻转支架上，进行垫石翻转，使垫石上的锚固钢筋朝下、锚栓孔朝上；将定位支架吊至桥梁支座的墩顶，将定位支架与墩身模板对应连接；通过吊装工装将垫石吊装至定位支架，吊装完成后对垫石进行对位调平；将垫石与桥梁支座浇注为整体。本发明能够实现将预制垫石的平面和高程的位置进行前后左右上下三维调节，精确预制垫石的位置，以达到设计要求，再通过定位机构对调节后的预制垫石进行定位，保证了垫石施工的精度，通过使用预制垫石无需再进行现场浇注，避免由于钢筋密集导致混凝土振捣不密实。
Bridge prefabricated support padstone construction method
The invention provides a bridge prefabricated support padstone construction method. After anchor bolt hole embedded parts and hoisting hole embedded parts are arranged in a prefabricated formwork, concrete is injected for padstone prefabrication; the padstone is transported to the site and then hoisted to the overturning support, the padstone is overturned, the anchoring steel bars on the padstone are made to face downwards, and the anchor bolt holes are made to face upwards; hoisting the positioning bracket to the pier top of the bridge support, and correspondingly connecting the positioning bracket with the pier body template; the padstone is hoisted to the positioning support through the hoisting tool, and after hoisting is completed, the padstone is aligned and leveled; and the padstone and the bridge support are poured into a whole. According to the device, front-back, left-right and up-down three-dimensional adjustment of the plane and elevation positions of the prefabricated padstone can be achieved, the position of the prefabricated padstone is accurate so as to meet the design requirement, then the adjusted prefabricated padstone is positioned through the positioning mechanism, the padstone construction precision is guaranteed, site pouring is not needed by using the prefabricated padstone, and the construction efficiency is improved. And incompact concrete vibration caused by dense reinforcing steel bars is avoided.
本发明提供一种桥梁预制支座垫石施工工法，在预制模板内布置锚栓孔预埋件、吊装孔预埋件后注入混凝土进行垫石预制；将垫石运输至现场后吊装至翻转支架上，进行垫石翻转，使垫石上的锚固钢筋朝下、锚栓孔朝上；将定位支架吊至桥梁支座的墩顶，将定位支架与墩身模板对应连接；通过吊装工装将垫石吊装至定位支架，吊装完成后对垫石进行对位调平；将垫石与桥梁支座浇注为整体。本发明能够实现将预制垫石的平面和高程的位置进行前后左右上下三维调节，精确预制垫石的位置，以达到设计要求，再通过定位机构对调节后的预制垫石进行定位，保证了垫石施工的精度，通过使用预制垫石无需再进行现场浇注，避免由于钢筋密集导致混凝土振捣不密实。
Bridge prefabricated support padstone construction method
桥梁预制支座垫石施工工法
HAN JUN (author) / RUAN RENYI (author) / WANG FUBIAO (author) / DONG FENGCHUN (author) / ZU PING (author) / CHEN SONG (author) / CHEN ZONGCHUN (author) / FENG ZIQIANG (author)
2023-01-03
Patent
Electronic Resource
Chinese
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