CN216811103U

CN216811103U - Concrete beam top is pasted and is cuted shaped steel board and consolidate structure

Info

Publication number: CN216811103U
Application number: CN202123444115.4U
Authority: CN
Inventors: 罗忠余; 杨瀚; 唐忠茂; 黄皓炳; 朱光伟; 杨岸青
Original assignee: Sichuan No4 Construction Co ltd
Current assignee: Sichuan No4 Construction Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-24
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a concrete beam top pasting and shearing type steel plate reinforcing structure which comprises a concrete beam top, wherein a hole site is formed in the concrete beam top, a reinforcing steel plate is arranged on the concrete beam top, and the reinforcing steel plate is fixed with the hole site through an anchor bolt. Compared with the traditional reinforcing mode, the reinforcing effect of the concrete beam top pasting and shearing type steel plate reinforcing structure is firmer, higher in stability, not easy to damage and higher in practicability, and the engineering requirements are met.

Description

Concrete beam top is pasted and is cuted shaped steel board and consolidate structure

Technical Field

The utility model relates to the technical field of engineering, in particular to a concrete beam top adhesion shearing type steel plate reinforcing structure.

Background

The building reinforcement is to reinforce and reinforce the building by utilizing carbon fiber, bonded steel and high-pressure grouting. The technology is widely applied to design change, and reinforcement and change projects such as adding beams, columns, cantilever beams, plates and the like, and is a connecting technology for reinforcing steel bars and utilizing the function of structural adhesive in the earthquake-resistant reinforcement project of a building structure. The method is the best choice for the application of reinforcing the embedded steel bars of the structure and fastening the heavy load. In the construction of a reinforced concrete structure, the steel bar reinforced precast beam adjusted by the plate and beam structure is repaired and embedded with steel bars. The curtain wall embedded part advertising board is anchored, and mechanical equipment is provided with embedded steel bars for anchoring and the like. Rock brick masonry and the like, and the stone is hung on the curtain wall. Bonding stones, and anchoring and supporting the top and the wall of the mine tunnel; the anchoring of railway rails, various anchoring of projects such as water conservancy facilities wharfs, highways, bridges, tunnels, subways and the like.

In to building reinforcement process, often can carry out concrete beam top and paste shearing type steel sheet and consolidate, the firm degree of traditional concrete beam top paste shearing type steel sheet reinforcement mode is difficult to satisfy the user demand, and life is shorter, has caused great economic loss and has the potential safety hazard, is more and more difficult to satisfy the user demand.

Based on the structure, the utility model designs a concrete beam top pasting and shearing type steel plate reinforcing structure to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a concrete beam top pasting and shearing type steel plate reinforcing structure, and aims to solve the problems that the concrete beam top pasting and shearing type steel plate reinforcing is often carried out in the building reinforcing process proposed in the background technology, the firmness of the traditional concrete beam top pasting and shearing type steel plate reinforcing mode is difficult to meet the use requirement, the service life is short, great economic loss and potential safety hazard are caused, and the use requirement is difficult to meet more and more.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a shearing type steel sheet reinforcement structure is pasted on concrete beam top, includes the concrete beam top, the hole site has been seted up on the concrete beam top, install the reinforcement steel sheet on the concrete beam top, the reinforcement steel sheet pass through the crab-bolt with the hole site is fixed.

As a further scheme of the utility model, the reinforced steel plate is arranged in a right-angle L shape.

As a further scheme of the utility model, the hole site distance is 200 mm.

As a further scheme of the utility model, the diameter of the drilled hole in the reinforced steel plate is 20 mm.

As a further aspect of the present invention, the reinforcing steel plate is fixedly bonded to the top surface of the concrete beam by a coating type adhesive steel.

As a further scheme of the utility model, the outer surface of the reinforced steel plate is coated with antirust paint.

In a further aspect of the present invention, the steel material for reinforcing steel sheet is grade Q355B.

As a further proposal of the utility model, the anchor bolt adopts an M16(6.8 grade) direct shear type anchor bolt.

Compared with the prior art, the utility model has the beneficial effects that:

compared with the traditional reinforcing mode, the reinforcing effect of the concrete beam top pasting and shearing type steel plate reinforcing structure is firmer, higher in stability, not easy to damage and higher in practicability, and the engineering requirements are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an overall structure schematic diagram of a concrete beam roof adhesion shear type steel sheet reinforcement structure according to this utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a concrete beam top; 2. reinforcing the steel plate; 3. a direct shear type anchor bolt; 4. and (6) hole location.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present invention provides a reinforcement structure of a shear type steel plate adhered to a top of a concrete beam, in which,

fig. 1 is a schematic view of the overall structure of a concrete beam top bonded shear type steel plate reinforcing structure according to the utility model; can see from figure 1, a shearing type steel sheet reinforcement structure is pasted on concrete beam top, including concrete beam top 1, hole site 4 has been seted up on the concrete beam top 1, install on the concrete beam top 1 and consolidate steel sheet 2, consolidate steel sheet 2 through crab-bolt 3 with hole site 4 is fixed.

The reinforced steel plate 2 is arranged in a right-angle L shape. The distance between the hole sites 4 is 200 mm. The diameter of a drilled hole in the reinforced steel plate 2 is 20 mm. And the reinforced steel plate 2 is fixedly bonded on the surface of the concrete beam top 1 through coating type adhesive steel glue. And the outer surface of the reinforced steel plate 2 is coated with antirust paint. The grade of the steel material for the reinforced steel plate 2 is Q355B. The anchor bolt is an M16(6.8 grade) direct shear type anchor bolt.

In practical application, the concrete beam top pasting shear type steel plate reinforcing structure comprises the steps of 1, interface treatment; step 2, scanning the steel bar; step 3, hole position sample turning; step 4, pasting a steel plate; step 5, drilling and implanting an anchor bolt 3; and 6, protecting the outer surface of the steel.

Step 1, interface processing; specifically, the concrete beam top 1 is polished to finish a reinforcing part exposing a new surface of the aggregate, the reinforcing part is further repaired and leveled, and defects such as a large hole, a concave surface and exposed ribs are repaired by adopting a structural repair adhesive. After the above work is completed, the concrete surface is cleaned and kept dry by using a blower.

Step 2, scanning the steel bar; specifically, the inner steel bar is scanned by a steel bar scanner, and then the position of the anchor bolt hole is determined. The anchor bolt hole is positioned at the gap of the steel bar and marked by a marking pen.

Step 3, hole position sample turning; specifically, hole sites marked with marks are sampled on the reinforcing steel plate 2, and the diameter of a drilled hole in the reinforcing steel plate 2 is 20 mm.

Step 4, adhering the reinforced steel plate 2; specifically, the reinforced steel plate 2 is subjected to rust removal treatment before being adhered. And (3) coating the coating type steel adhesive on the steel plate, tightly attaching the steel adhesive to the concrete surface of the beam, and extruding the steel adhesive to overflow the steel plate.

Step 5, drilling and implanting an anchor bolt; specifically, the drill hole needs to be perpendicular to the original structural member; cleaning dust on the hole wall by using a steel wire brush, cleaning the bar planting holes by using air blowing, and keeping the hole passages dry; adopt injection formula bar planting to glue and pour into the bar planting glue that exceeds hole 2/3 in the bar planting hole, the crab-bolt 3 that will implant slowly inserts the bar planting hole, along a direction slow rotation, makes the bar planting glue spill over the hole. The planted direct shear type anchor bolt 3 needs to be kept stand until the colloid is completely solidified, and is not disturbed in the midway; and (5) after the direct shear type anchor bolt 3 is completely anchored, tightening the screw cap.

Step 6, protecting the outer surface of the steel; specifically, after glue injection is completed, the outer surface of the reinforced steel plate 2 is coated with antirust paint twice, and then a 25mm thick M7.5 cement mortar protective layer is smeared.

In addition, it should be noted that when the shear bearing capacity or the bending bearing capacity of the concrete beam support is insufficient, the beam top can be reinforced by adhering shear-type steel plates. The steel-sticking glue is A grade. The used materials need to have delivery qualification certificates and inspection reports when entering the field, and steel adhesive should be subjected to material rechecking and can be used after the materials are qualified after the rechecking.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a shear type steel sheet reinforcement structure is pasted on concrete beam top, includes concrete beam top (1), its characterized in that, hole site (4) have been seted up on concrete beam top (1), install on concrete beam top (1) and consolidate steel sheet (2), consolidate steel sheet (2) through crab-bolt (3) with hole site (4) are fixed.

2. The reinforcement structure of the concrete beam top pasting shear type steel plate according to claim 1, wherein the reinforcement steel plate (2) is arranged in a right-angle "L" shape.

3. The reinforcement structure of the concrete beam top pasting shear type steel plate according to claim 1, wherein the hole site (4) interval is 200 mm.

4. The reinforcement structure of the concrete beam top bonded shear type steel plate according to claim 1, wherein the diameter of the drilled hole of the reinforcement steel plate (2) is 20 mm.

5. The concrete beam top bonded shear type steel plate reinforcing structure as claimed in claim 1, wherein said reinforcing steel plate (2) is fixedly bonded to the surface of said concrete beam top (1) by means of a coated type adhesive steel glue.

6. The reinforcement structure of the shear-type steel plate stuck to the top of the concrete beam according to claim 1, wherein the outer surface of the reinforcement steel plate (2) is painted with a rust preventive paint.

7. The reinforcement structure of the steel plate with the shear-type adhered to the top of the concrete beam according to claim 1, wherein the steel grade of the reinforcement steel plate (2) is Q355B grade.

8. The reinforcement structure of a concrete beam top pasting shear type steel plate as claimed in claim 1, wherein said anchor bolt is an M16(6.8 grade) direct shear type anchor bolt.