CN-224213833-U - Reinforcing structure of middle plate column node of flat slab

Abstract

The utility model relates to the technical field of building reinforcing structures, in particular to a reinforcing structure of a plate column joint in a flat slab, which comprises a floor slab, wherein a column cap is fixedly connected to the bottom of the floor slab, a column shaft is fixedly connected to the bottom of the column cap, an angle steel frame is sleeved on the surface of the column cap, a force transmission steel plate is arranged at the bottom of the angle steel frame, force transmission angle steel is arranged at the bottom of the force transmission steel plate, angle steel supporting rods are arranged at four corners of the column shaft, hoop plates are fixedly connected to the surfaces of the angle steel supporting rods, and structural adhesive is arranged between the angle steel frame and the floor slab. The utility model is not only suitable for common structure reinforcement engineering, but also can meet the requirement of time urgency in the civil air defense engineering in the process of being converted by the plane battle achievement, and the structure is not required to be unloaded in advance when reinforcement is implemented, so that the construction is simplified, the construction efficiency is improved, the punching bearing capacity of the column cap can be improved, and the bearing capacity of the whole structure is also obviously improved.

Inventors

• ZUO TENG
• HE WENYUE
• Dong Baobao
• ZHANG YONGFEI
• ZHANG SHIQI
• HAO HAILONG
• CHEN ZHONGQING

Assignees

• 中铁铁工城市建设有限公司

Dates

Publication Date

20260508

Application Date

20250407

Claims (6)

1. 1. The reinforcing structure for the middle plate column node of the flat slab comprises a floor slab (1) and is characterized in that a column cap (2) is fixedly connected to the bottom of the floor slab (1), a column shaft (3) is fixedly connected to the bottom of the column cap (2), an angle steel frame (4) is sleeved on the surface of the column cap (2), a force transmission steel plate (5) is arranged at the bottom of the angle steel frame (4), force transmission steel plates (6) are arranged at the bottom of the force transmission steel plate (5), angle steel stay bars (9) are arranged at four corners of the column shaft (3), and hoop plates (8) are fixedly connected to the surface of the angle steel stay bars (9).
2. 2. The reinforcing structure of the plate column node in the flat slab of claim 1, wherein structural adhesive (13) is arranged between the angle steel frame (4) and the floor slab (1), the bottom of the structural adhesive (13) is bonded with the angle steel frame (4), the top of the structural adhesive (13) is bonded with the floor slab (1), and the structural adhesive (13) is made of epoxy resin.
3. 3. The reinforcing structure of the plate column joint of the girderless floor according to claim 1, wherein the bottom of the force transmission angle steel (6) is provided with a force transmission top plate (7), and a plurality of force transmission top plates (7) are wrapped on the surface of the column body (3).
4. 4. The reinforcing structure of the plate column node in the flat slab of claim 1, wherein the surface of the angle steel stay bar (9) is fixedly connected with a reinforcing steel plate (10), a plurality of reinforcing steel plates (10) are wrapped on the surface of the column body (3), and tool-type tension bolts (12) are arranged on the surface of the reinforcing steel plates (10) in a penetrating mode.
5. 5. The reinforcing structure of the plate column joint of the girderless floor according to claim 1, wherein the force transmission angle steel (6) and the force transmission top plate (7) are divided into two groups, and the two groups of force transmission angle steel (6) and the force transmission top plate (7) are respectively positioned at the top and the bottom of the column body (3).
6. 6. The reinforcing structure of the plate column joint of the flat slab of claim 5, wherein the surface of the force transmission top plate (7) is provided with a mounting bolt (11) in a penetrating way, and the force transmission top plate (7) is fixedly connected with the force transmission angle steel (6) through the mounting bolt (11).

Description

Reinforcing structure of middle plate column node of flat slab Technical Field The utility model relates to the technical field of building reinforcing structures, in particular to a reinforcing structure for a plate column node in a flat slab. Background The civil air defense basement level battle achievement can be converted into an important component part in civil air defense engineering construction of China, the purpose that the level battle achievement of underground engineering such as underground garages, underground commercial streets and the like can be converted clearly becomes the best choice for civil air defense engineering construction, and the general basement level battle achievement can be converted into emergency has the significance that (1) the normal use function can be ensured, the combat readiness can be realized, the underground space is reasonably utilized, the land resources are saved, the maintenance and management cost of civil air defense equipment is saved, and the temporary reinforcement of the flat pillar nodes of the flat slab structure belongs to the reinforcement of the main structure in the civil air defense engineering level battle achievement energy conversion, and is the weight in the flat battle achievement energy conversion engineering. There are several more mature reinforcing methods for concrete frame structure, mainly including reinforcing method of increasing cross section, reinforcing method of displacing concrete, reinforcing method of external prestress, reinforcing method of external wrapping steel, reinforcing method of pasting steel plate, reinforcing method of pasting fiber composite material, reinforcing method of prestress carbon fiber composite plate, reinforcing method of adding pointing and pointing, reinforcing method of pretensioning steel wire rope net sheet-polymer mortar surface layer, reinforcing method of winding wire, etc., while the existing reinforcing method for beamless floor system is to newly pour a layer of reinforced concrete on the outer layer of column cap, the construction process is tedious, consuming time and long, the method is difficult to meet the urgent nature of the reinforcing time before war for ordinary basement for ordinary battle achievement energy conversion. In order to solve the above technical problems, it is necessary to design a reinforcement structure for the plate column node in the flat slab to solve the above problems. Disclosure of utility model The utility model aims to provide a reinforcing structure of a plate column node in a flat slab, which is suitable for common structural reinforcing engineering, can meet the advantage of rapid assembly of civil air defense engineering in the process of converting flat battle achievement, and solves the problems of complicated construction process, long time consumption and difficult realization of pre-war reinforcing assembly for converting flat battle achievement of a common basement. The reinforcing structure for the middle plate column node of the flat slab comprises a floor slab, wherein a column cap is fixedly connected to the bottom of the floor slab, a column body is fixedly connected to the bottom of the column cap, an angle steel frame is sleeved on the surface of the column cap, a force transmission steel plate is arranged at the bottom of the angle steel frame, force transmission angle steel is arranged at the bottom of the force transmission steel plate, angle steel support rods are arranged at four corners of the column body, and hoop plates are fixedly connected to the surfaces of the angle steel support rods. Preferably, structural adhesive is arranged between the angle steel frame and the floor slab, the bottom of the structural adhesive is bonded with the angle steel frame, the top of the structural adhesive is bonded with the floor slab, and the structural adhesive is made of epoxy resin. Preferably, the bottom of the force transmission angle steel is provided with a force transmission top plate, and a plurality of force transmission top plates are wrapped on the surface of the column body. Preferably, the surface fixedly connected with reinforcement steel sheet of angle steel vaulting pole, a plurality of reinforcement steel sheets parcel are at the surface of column shaft, the surface of reinforcement steel sheet runs through and is provided with instrument formula tensioning bolt. Preferably, the force transmission angle steel and the force transmission top plate are divided into two groups, and the two groups of force transmission angle steel and the force transmission top plate are respectively positioned at the top and the bottom of the column body. Preferably, the surface of the force transmission top plate is provided with a mounting bolt in a penetrating way, and the force transmission top plate is fixedly connected with the force transmission angle steel through the mounting bolt. Compared with the prior art, the utility model has the fo