A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Rapid repairing method for bridge expansion joint
The invention discloses a rapid repairing method for a bridge expansion joint. The rapid repairing method comprises the steps that firstly, conducting joint cutting treatment on a damaged expansion joint structure to be repaired; chiseling off damaged concrete and a steel bar structure of the to-be-repaired part, and flushing and cleaning the to-be-repaired part; pre-burying anchoring steel bars in the original concrete side and fixing to form a steel bar framework, and then carrying out form erecting; mounting an expansion joint, adjusting and fixing, and then welding with the embedded steelbar; washing the pit slot, and spraying an interface agent; mixing a super-early-strength material and carrying out layered pouring; after the material is initially set, trowelling and polishing, spraying a curing agent, and then covering for maintenance; and opening for traffic after maintenance. The material has the advantages of being good in construction workability, high in material strengthincreasing speed, resistant to compression, fracture and elasticity modulus, high in bonding strength with an existing structure and the like. The construction process has the advantages of simplicity, convenience, high efficiency, short construction time, short traffic closing time and the like. The method is suitable for rapid repair, maintenance and reinforcement of various expansion joint structures such as municipal roads and bridges and high-speed roads and bridges.
本发明公开了一种桥梁伸缩缝的快速修复方法，先对破损待修复的伸缩缝结构进行切缝处理；凿除待修复部位的破损混凝土及钢筋结构，并冲洗和清洁；在原有混凝土侧预埋锚固钢筋，并进行固定形成钢筋骨架，然后进行支模；安装伸缩缝，调整固定后与预埋钢筋进行焊接；对坑槽进行冲洗，并喷洒界面剂；拌和超早强材料并进行分层浇筑工作；待材料初凝后抹平收光，喷洒固化剂后覆进行养护；养护后可开放交通。本发明的材料具有施工和易性好，材料强度上升快，抗压、抗折、弹性模量以及与既有结构粘结强度高等优点。所述施工工艺简便高效，施工时间短，封闭交通时间短等优点。本发明适用于市政路桥、高速路桥等各类伸缩缝结构的快速修复和维护加固。
Rapid repairing method for bridge expansion joint
The invention discloses a rapid repairing method for a bridge expansion joint. The rapid repairing method comprises the steps that firstly, conducting joint cutting treatment on a damaged expansion joint structure to be repaired; chiseling off damaged concrete and a steel bar structure of the to-be-repaired part, and flushing and cleaning the to-be-repaired part; pre-burying anchoring steel bars in the original concrete side and fixing to form a steel bar framework, and then carrying out form erecting; mounting an expansion joint, adjusting and fixing, and then welding with the embedded steelbar; washing the pit slot, and spraying an interface agent; mixing a super-early-strength material and carrying out layered pouring; after the material is initially set, trowelling and polishing, spraying a curing agent, and then covering for maintenance; and opening for traffic after maintenance. The material has the advantages of being good in construction workability, high in material strengthincreasing speed, resistant to compression, fracture and elasticity modulus, high in bonding strength with an existing structure and the like. The construction process has the advantages of simplicity, convenience, high efficiency, short construction time, short traffic closing time and the like. The method is suitable for rapid repair, maintenance and reinforcement of various expansion joint structures such as municipal roads and bridges and high-speed roads and bridges.
本发明公开了一种桥梁伸缩缝的快速修复方法，先对破损待修复的伸缩缝结构进行切缝处理；凿除待修复部位的破损混凝土及钢筋结构，并冲洗和清洁；在原有混凝土侧预埋锚固钢筋，并进行固定形成钢筋骨架，然后进行支模；安装伸缩缝，调整固定后与预埋钢筋进行焊接；对坑槽进行冲洗，并喷洒界面剂；拌和超早强材料并进行分层浇筑工作；待材料初凝后抹平收光，喷洒固化剂后覆进行养护；养护后可开放交通。本发明的材料具有施工和易性好，材料强度上升快，抗压、抗折、弹性模量以及与既有结构粘结强度高等优点。所述施工工艺简便高效，施工时间短，封闭交通时间短等优点。本发明适用于市政路桥、高速路桥等各类伸缩缝结构的快速修复和维护加固。
Rapid repairing method for bridge expansion joint
一种桥梁伸缩缝的快速修复方法
CHEN SHANSHAN (author) / YANG JING (author)
2021-02-23
Patent
Electronic Resource
Chinese
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