CN211286765U

CN211286765U - Steel strand wires annular reinforcing apparatus

Info

Publication number: CN211286765U
Application number: CN201921935506.6U
Authority: CN
Inventors: 舒克; 程佳佳; 戴娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-08-18
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a steel strand annular reinforcing device, including the body of waiting to consolidate that the cross-section is square and set up a plurality of reinforcement units on waiting to consolidate, the reinforcement unit includes two sets of chamfer pieces that bond on waiting to consolidate the body through the structure glue, and the number of each group chamfer piece is one, the reinforcement unit still includes an annular anchor component, two connecting pieces, two splayed aluminum buckles and two steel strands that set up on waiting to consolidate the body; the annular anchoring member comprises a first reinforcing plate and a second reinforcing plate which are perpendicular to each other and welded, the first reinforcing plate and the second reinforcing plate are attached to a to-be-reinforced body, and a first protruding plate is integrally formed on one side, away from the to-be-reinforced body, of the first reinforcing plate. The utility model discloses this consolidate unit atress system easily computational analysis, and construct in arranging rationally to need not to punch on strengthening the component, and cause and strengthen the component secondary damage.

Description

Steel strand wires annular reinforcing apparatus

Technical Field

The utility model relates to a civil construction engineering structure consolidates technical field, especially relates to a steel strand wires annular reinforcing apparatus.

Background

With the rapid development of economy in China, the functions of a plurality of buildings in service are changed, the actual used load is far greater than the initial design value, and the bearing capacity of the original structure is not enough to meet the requirements of the current used functions. Meanwhile, China is in an earthquake frequent region, the earthquake fortification intensity of partial regions is improved in recent years, the original building earthquake fortification intensity does not meet the requirements of the existing specifications, and certain potential safety hazards exist. From an economic point of view, the weight is pushed down, and reinforcement repair is not performed. At this time, it is very important to develop a convenient and reliable reinforcement method.

At present, the emerging carbon fiber cloth reinforcement is widely applied to the field of engineering reinforcement, but the defect that the poor fire resistance of the carbon fiber cloth is the greatest defect of the carbon fiber cloth reinforcement limits the application scenes of the carbon fiber. The novel steel strand processing method has attracted much attention in the engineering field in recent years. Because the steel strand has the advantages of high strength, light weight and the like, and has good fire resistance, the steel strand reinforcement has obvious advantages compared with carbon fiber cloth reinforcement. Relevant researches show that the prestress reinforcement can effectively solve the phenomenon of stress encounter, and avoids complex adhesive damage of the structure, which is caused by a non-prestress reinforcement mode and often occurs, and brings inconvenience to reinforcement design and calculation. Because the steel strand fixing device which is convenient to construct and firm in anchoring cannot be designed at present, the novel processing method is prevented from being popularized on a large scale, and a reliable and firm steel strand anchoring device is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the background art, and a steel strand wires annular reinforcing apparatus who proposes.

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

a steel strand annular reinforcing device comprises a to-be-reinforced body with a square cross section and a plurality of reinforcing units arranged on the to-be-reinforced body, wherein each reinforcing unit comprises two groups of chamfering sheets which are bonded on the to-be-reinforced body through structural glue, the number of each group of chamfering sheets is 3, and each reinforcing unit further comprises an annular anchoring component, two connecting pieces, two splayed aluminum buckles and two steel strands which are arranged on the to-be-reinforced body; the annular anchoring component comprises a first reinforcing plate and a second reinforcing plate which are vertically welded with each other, the first reinforcing plate and the second reinforcing plate are both attached to a body to be reinforced, a first protruding plate is integrally formed on one side, away from the body to be reinforced, of the first reinforcing plate, a second protruding plate is integrally formed on one side, away from the body to be reinforced, of the second reinforcing plate, first threading holes are formed in the corresponding positions of each group of chamfer pieces of the first protruding plate, and second threading holes are formed in the corresponding positions of each group of chamfer pieces of the second protruding plate; the connecting piece comprises a bolt, a ring body welded at one end of the bolt and a nut; the steel strand wires are wound on the outer side of each group of chamfer pieces, one end of each steel strand wire is connected to the ring body in a braided mode, one end, far away from the ring body, of each bolt penetrates through the first through wire hole and is in threaded connection with the corresponding nut, and the other end of each steel strand wire penetrates through the second through wire hole and is fixed to one side, close to the first protruding plate, of the second protruding plate through the splayed aluminum buckle.

Preferably, the annular anchoring member is made of Q345 material.

Preferably, the diameter of the steel strand is 4.5 mm.

Preferably, the first reinforcing plate, the second reinforcing plate, the first protruding plate and the second protruding plate are all 5mm in thickness and 60mm in width.

Preferably, the body to be reinforced is a reinforced concrete beam.

Preferably, the body to be reinforced is a reinforced concrete column.

Compared with the prior art, this steel strand wires annular reinforcing apparatus's advantage lies in:

1. this annular anchor component can satisfy the reinforcement demand of different cross section size beam columns, and no special requirement need not to redesign device size along with interface dimension's change, can carry out batch production, can use in a flexible way at the job site.

2. The connecting piece can apply prestress on the reinforcing member, and the prestress of the connecting piece is adjusted by loosening and tightening the nut.

3. The reinforcing unit can be adjusted accordingly according to the area of the reinforcing area and the required strength.

4. The reinforcing unit is simple in structural form and convenient to construct, and overcomes the defect that the existing steel strand reinforcing mode process is complex to a certain extent.

The reinforcement unit stress system is easy to calculate and analyze, is reasonable in arrangement, and does not need to be punched on a reinforcement member, so that the reinforcement member is damaged secondarily.

Drawings

FIG. 1 is a schematic view of a reinforced concrete beam after reinforcement;

FIG. 2 is a schematic structural view of a reinforcement unit;

FIG. 3 is a schematic structural view of an annular anchoring member;

FIG. 4 is a schematic structural view of a connector;

fig. 5 is a schematic structural view of a reinforced concrete column after reinforcement.

In the figure: 1 steel strand wires, 2 chamfer pieces, 3 annular anchor component, 31 first gusset plate, 32 second gusset plate, 33 first protruding board, 34 second protruding board, 35 first through wires hole, 36 second through wires hole, 4 connecting pieces, 41 bolts, 42 rings, 43 nuts, 5 splayed aluminium buckles, 6 reinforced concrete columns, 7 reinforced concrete roof beams.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4, the annular reinforcing device for the steel strand comprises a to-be-reinforced body with a square cross section and a plurality of reinforcing units arranged on the to-be-reinforced body, wherein the to-be-reinforced body is a reinforced concrete beam 7, each reinforcing unit comprises two groups of chamfering sheets 2 which are bonded on the to-be-reinforced body through structural adhesive, the number of each group of chamfering sheets 2 is 3, the reinforcing unit further comprises an annular anchoring member 3, two connecting members 4, two splayed aluminum buckles 5 and two steel strands 1 which are arranged on the to-be-reinforced body, and the diameter of each steel strand 1 is 4.5 mm;

the annular anchoring member 3 comprises a first reinforcing plate 31 and a second reinforcing plate 32 which are vertically welded with each other, the first reinforcing plate 31 and the second reinforcing plate 32 are both attached to a body to be reinforced, a first protruding plate 33 is integrally formed on one side, away from the body to be reinforced, of the first reinforcing plate 31, a second protruding plate 34 is integrally formed on one side, away from the body to be reinforced, of the second reinforcing plate 32, the first protruding plate 33 is provided with a first threading hole 35 at a position corresponding to each group of chamfer pieces 2, and the second protruding plate 34 is provided with a second threading hole 36 at a position corresponding to each group of chamfer pieces 2;

further, the annular anchoring member 3 is made of a material Q345, and the first reinforcing plate 31, the second reinforcing plate 32, the first protruding plate 33 and the second protruding plate 34 are all 5mm in thickness and 60mm in width;

the connecting member 4 includes a bolt 41, a ring body 42 welded to one end of the bolt 41, and a nut 43;

the steel strand wires 1 are wound on the outer side of each group of chamfer pieces 2, one end of each steel strand wires 1 is connected to the ring body 42 in a braided mode, one end, far away from the ring body 42, of each bolt 41 penetrates through the first threading hole 35 and is in threaded connection with the nut 43, and the other end of each steel strand wires 1 penetrates through the second threading hole 36 and is fixed to one side, close to the first protruding plate 33, of the second protruding plate 34 through the splayed aluminum buckles 5.

When the reinforced concrete beam 7 shear region is annularly reinforced, as shown in fig. 1:

1. firstly, calculating the required number of steel strands 1 according to the size of a reinforced area of a reinforced concrete beam 7 and the strength requirement of a structure;

2. chamfering the rectangular interface of the area to be reinforced, washing the surface with clear water, and after the water is dried, smearing structural adhesive on the chamfer of the reinforced concrete beam 7 and adhering a chamfer sheet 4;

3. one end of the steel strand 1 penetrates through a second threading hole 36 in the annular anchoring member 3, and the V-shaped aluminum buckle 5 is extruded and fixed by hydraulic pliers;

4. installing an annular anchoring member 3 in a shear-resistant area of a beam 1 to be reinforced, and surrounding a reinforced concrete beam 7 by the steel strand 1 along the chamfer piece 4;

5. the other section of the bolt 41 passes through the first threading hole 35 in the annular anchoring member 3, and the nut 43 is rotated to adjust the degree of prestress of the overall anchoring.

In order to meet the requirements of different construction scenes, the material strength and the size of the annular anchoring member 3 can be adjusted by self, but the number of the steel strands 1 on one reinforcing unit is ensured to be 2, because the balance of the reinforcing unit can be balanced by screwing the nut 43 in the construction process, and the prestress loss caused by the inclination of the single steel strand 1 under stress can be avoided.

Example 2

Referring to fig. 2 to 5, the present embodiment is different from the above embodiment in that: the body to be reinforced is a reinforced concrete column 6.

The reinforced concrete column 6 is reinforced as shown in fig. 5:

1. before the treatment, the reinforced concrete column 6 is preliminarily cleaned, and then the reinforcement chamfering treatment is carried out in a reinforcement area;

2. according to the reinforced concrete column 6 to be reinforced, the strength and the compressive strength of concrete in a reinforced area are designed, and the number, the spacing and the prestress level of required reinforcing units are calculated;

3. relevant documents at home and abroad verify the effectiveness of the transverse reinforcement method, and can obviously improve the earthquake resistance and the shear resistance of the structural member, and the reinforcement mode belongs to transverse prestress reinforcement;

4. after the reinforcing unit is installed, a layer of mortar is smeared on a plurality of members after the plurality of members are subjected to anticorrosive treatment, the reinforcing unit is small in size and high in strength, and the reinforcing concrete column has small influence on the attractiveness of the interior of a building.

The utility model discloses the structural style is simple and easy, low cost, and steel strand wires 1's tensile strength is up to 1880MPa, and this kind of material has fine durability and fire resistance, the utility model discloses a building, industry, multiple engineering structures such as bridge consolidate and restore, provide one kind effectively, economy, and the reinforcement technology of easily being under construction has very strong practical value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steel strand annular reinforcing device comprises a to-be-reinforced body with a square cross section and a plurality of reinforcing units arranged on the to-be-reinforced body, and is characterized in that the reinforcing units comprise two groups of chamfering sheets (2) which are bonded on the to-be-reinforced body through structural glue, the number of each group of chamfering sheets (2) is 3, and the reinforcing units further comprise an annular anchoring member (3), two connecting members (4), two splayed aluminum buckles (5) and two steel strands (1) which are arranged on the to-be-reinforced body;

the annular anchoring member (3) comprises a first reinforcing plate (31) and a second reinforcing plate (32) which are vertically welded to each other, the first reinforcing plate (31) and the second reinforcing plate (32) are attached to a to-be-reinforced body, a first protruding plate (33) is integrally formed on one side, away from the to-be-reinforced body, of the first reinforcing plate (31), a second protruding plate (34) is integrally formed on one side, away from the to-be-reinforced body, of the second reinforcing plate (32), the first protruding plate (33) is provided with first threading holes (35) at positions corresponding to each group of chamfer pieces (2), and the second protruding plate (34) is provided with second threading holes (36) at positions corresponding to each group of chamfer pieces (2);

the connecting piece (4) comprises a bolt (41), a ring body (42) welded at one end of the bolt (41) and a nut (43);

steel strand wires (1) are around establishing in the outside of every group chamfer piece (2), the one end of steel strand wires (1) is woven and is connected on ring body (42), bolt (41) are kept away from the one end of ring body (42) and are passed first through wires hole (35) and with nut (43) threaded connection, the other end of steel strand wires (1) passes second through wires hole (36) and is fixed in the one side that second arch board (34) is close to first arch board (33) through splayed aluminium button (5).

2. The steel strand annular reinforcement according to claim 1, characterized in that the annular anchoring member (3) is made of Q345 material.

3. An annular reinforcement of steel strands according to claim 1, characterized in that the diameter of the steel strands (1) is 4.5 mm.

4. The annular reinforcing device for the steel strand as claimed in claim 1, wherein the first reinforcing plate (31), the second reinforcing plate (32), the first protruding plate (33) and the second protruding plate (34) are all 5mm in thickness and 60mm in width.

5. The steel strand annular reinforcement device according to claim 1, characterized in that the body to be reinforced is a reinforced concrete beam (7).

6. The steel strand ring reinforcement device according to claim 1, characterized in that the body to be reinforced is a reinforced concrete column (6).