CN219508831U - Steel concrete connecting piece with FRP constraint piece - Google Patents
Steel concrete connecting piece with FRP constraint piece Download PDFInfo
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- CN219508831U CN219508831U CN202320118300.4U CN202320118300U CN219508831U CN 219508831 U CN219508831 U CN 219508831U CN 202320118300 U CN202320118300 U CN 202320118300U CN 219508831 U CN219508831 U CN 219508831U
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Abstract
The utility model discloses a steel concrete connecting piece provided with an FRP constraint piece, which comprises a steel plate, wherein the steel plate forms an assembling surface; the concrete structure is formed by a concrete structure, and an assembly space is formed between the concrete structure and the assembly surface; the FRP constraint piece is positioned in the assembly space and is used for connecting the steel plate and the concrete structure; the FRP restraint piece is bar-shaped structure, after the both ends of bar-shaped structure are connected, form the closed chamber in the assembly space, in the closed intracavity is filled with the structure, be provided with the reinforcing component in the structure, the reinforcing component forms the segmentation piece for the part structure that is located the closed intracavity is cut apart. In the utility model, the round steel pipe and the FRP round pipe are adopted to simultaneously restrain the concrete, so that the strength and the rigidity of the connecting joint are greatly increased, the stress concentration phenomenon is reduced, and the fatigue resistance of the structure is improved.
Description
Technical Field
The utility model relates to the technical field of steel concrete connection, in particular to a steel concrete connecting piece provided with an FRP constraint piece.
Background
The common steel and concrete structure connecting piece has welded nail connecting piece and trompil board connecting piece, and the welded nail can strengthen the joint strength of steel component and concrete component to a certain extent, increases holistic atress performance, but the welding can produce very big stress concentration phenomenon at the root, and the fracture easily takes place at the welded part and reduces the fatigue resistance of structure, and the welding technique of welded nail is more difficult and consuming time longer moreover, consequently has the limitation in steel-concrete structure connection.
Disclosure of Invention
The utility model aims to provide the steel-concrete connecting piece provided with the FRP constraint piece, which not only fully plays the role of steel and FRP dual-constraint concrete and improves the strength and rigidity of a connecting node, but also greatly reduces the stress concentration phenomenon, improves the fatigue resistance of a system, is simple and easy to use, can reduce the hoisting difficulty to a great extent and improves the construction efficiency.
In order to achieve the technical effects, the present utility model is realized by the following technical means.
The steel concrete connecting piece provided with the FRP constraint piece comprises,
a steel plate forming an assembly face;
the concrete structure is formed by a concrete structure, and an assembly space is formed between the concrete structure and the assembly surface;
the FRP constraint piece is positioned in the assembly space and is used for connecting the steel plate and the concrete structure;
the FRP restraint piece is bar-shaped structure, after the both ends of bar-shaped structure are connected, form the closed chamber in the assembly space, in the closed intracavity is filled with the structure, be provided with the reinforcing component in the structure, the reinforcing component forms the segmentation piece for the part structure that is located the closed intracavity is cut apart.
In this technical scheme, compare in simple welding, utilize FRP constraint spare to form the connector, increase the structure body simultaneously in the connector, have on the structure body and strengthen the subassembly, and then multiple structure for the bearing capacity of connector grow, and many places can atress, and then prestressing force can decompose in a plurality of atress places for prestressing force can decompose.
As a further development of the utility model, it also comprises a closure located in the closed cavity, the reinforcement assembly being located in the closure.
In this technical scheme, enclose the fender piece and make and enclose the intracavity portion and enclose the fender again, increase the reinforcing assembly simultaneously, and then enclose in the fender piece of enclosing the intracavity, intensity increases, has carried out the bearing condition when prestressing force appears from a plurality of directions, and then enclose fender piece department and seal chamber department and all can decompose prestressing force.
As a further development of the utility model, the enclosure forms a sub-enclosure, and the reinforcement assembly is connected at least at one end to an inner wall of the sub-enclosure.
In the technical scheme, the sub-closed cavity is added, so that the closed cavity is internally divided for a plurality of times, and the like, the inner wall is of a multi-layer structure, and then the structural body can be directly divided through the sub-closed cavity, the bearing capacity of the closed cavity is increased, and the prestress can be decomposed.
As a further improvement of the utility model, the sub-closed cavities are similar to the closed cavities, and the enclosing member and the FRP constraint member are both circular tube structures.
In the technical scheme, the sub-closed cavity and the closed cavity are similar to form an annular structure, the structure is easy to obtain, the cost is low, for example, a circular structure is directly selected for concentric assembly, and the whole assembly efficiency is improved.
As a further improvement of the utility model, the reinforcing component is provided with perforations, and the reinforcing ribs are arranged through the perforations along the direction parallel to the steel plate.
In this technical scheme, in order to make between sub-closed chamber and the closed chamber can be connected, intensity increases, so set up perforation and the strengthening rib in the perforation, and then can strengthen sub-closed chamber and the direct intensity of closed chamber.
As a further development of the utility model, at least one end of the reinforcing rib is connected to the enclosure.
In this technical scheme, the strengthening rib is connected with enclosing the fender spare, makes it form an organic whole, equal at this moment in the structure body of filling of concrete constitution has increased the strengthening rib for the intensity in the structure body grow, and the stress of decomposition also can bear through the strengthening rib.
As a further improvement of the present utility model, the reinforcing member is a metal plate welded to the steel plate in a direction perpendicular to the steel plate.
In the technical scheme, the reinforcing component is made of metal plates, such as steel plates, and can increase the strength of the filling structure, such as forming structures for connecting two ends of the closed cavity in the closed cavity, so that support reinforcing pieces are added in the oversized closed cavity.
As a further improvement of the present utility model, the FRP restraint and the reinforcement member are both supported on the assembly space and are both connected with a steel plate.
In the technical scheme, the FRP constraint piece and the reinforcing component form a double-layer supporting structure, so that stress is further decomposed, the connection strength is ensured, and the connection strength of the steel member and the concrete member is enhanced.
As a further improvement of the utility model, the FRP constraint pieces are a plurality of, and the FRP constraint pieces form a supporting area on the assembling surface.
In the technical scheme, a plurality of FRP constraint parts, in particular to fiber reinforced composite structural parts, are arranged, and a plurality of supporting parts are formed between the steel and the concrete structure, so that the overall stress performance is improved, the stress is decomposed, the fatigue performance is strong, and the concrete structure is good in connection effect.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a steel concrete connecting piece provided with FRP constraint pieces;
FIG. 2 is an assembled view of the steel-concrete connecting piece provided with the FRP constraint piece, the steel plate and the concrete structure;
in the figure: 100. a steel plate; 200. a concrete structure; 300. FRP constraint members; 400. a reinforcement assembly; 410. perforating; 500. a fence; 600. and (5) steel beams.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-2, the reinforced concrete connecting member provided with the FRP restraint member in this embodiment includes,
a steel plate 100, the steel plate 100 forming an assembly surface;
a concrete structure 200 formed by a concrete structure, wherein an assembly space is formed between the concrete structure 200 and the assembly surface;
the FRP constraint piece 300 is positioned in the assembly space and is used for connecting the steel plate 100 and the concrete structure 200;
the FRP restraint 300 is a strip structure, two ends of the strip structure are connected to form a closed cavity in the assembly space, a structural body (not shown in the figure) is filled in the closed cavity, a reinforcing component 400 is arranged in the structural body, and the reinforcing component 400 forms a partition, so that a part of the structural body positioned in the closed cavity is partitioned.
In this embodiment, compare in simple welding, utilize FRP constraint spare to form the connector, increase the structure body simultaneously in the connector, have on the structure body and be equipped with the enhancement subassembly, and then multiple structure for the bearing capacity of connector grow, and many places can atress, and then prestressing force can decompose in a plurality of atress places for prestressing force can decompose.
The conventional connecting member is generally a welding pin, and when the welding pin is welded on the bottom plate formed by the steel plate 100, a large stress concentration is generated at the welding seam due to the welding effect, and the stress area is small, so that the bottom of the welding pin is likely to be broken under the action of the stress. In the utility model, the selected connecting piece FRP pipe is adhered on the bottom plate formed by the steel plates 100, so that stress concentration is not generated, and concrete can be restrained; the steel plate 100 is additionally provided with a surrounding baffle part formed by steel pipes, the surrounding baffle part is welded on the bottom plate, and the steel pipes can be equally distributed to the whole bottom surface when stress is generated due to the larger section of the steel pipes, so that the bottom part is prevented from being broken, concrete can be restrained, in addition, the perforated steel plate can be inserted into a hole to strengthen the connection between the connecting part and the concrete
Referring to fig. 1, the enclosure 500 is further included in the closed cavity, and the reinforcement assembly 400 is located in the enclosure 500.
In this embodiment, enclose the fender piece and make and enclose the intracavity portion by enclosing again and keep off, increase simultaneously and strengthen the subassembly, and then enclose in the fender piece of enclosing the intracavity, intensity increases, has carried out the bearing condition when prestressing force appears from a plurality of directions, and then enclose fender piece department and seal chamber department and all can decompose prestressing force.
In order to increase the strength of the enclosure, the enclosure 500 forms a sub-enclosure, and at least one end of the reinforcement assembly 400 is connected to an inner wall of the sub-enclosure.
In this embodiment, the sub-closed cavity is added, so that the inner wall of the closed cavity is divided for a plurality of times, and the inner wall is of a multi-layer structure, so that the structural body can be directly divided through the sub-closed cavity, the bearing capacity of the closed cavity is increased, and the prestress can be decomposed.
In order to fully utilize the raw materials of the construction site, the sub-closed cavities are similar to the closed cavities, and the enclosure 500 and the FRP restraint 300 are both circular tube structures.
In the embodiment, the sub-closed cavities are similar to the closed cavities to form an annular structure, the structure is easy to obtain, the cost is low, for example, a circular structure is directly selected for concentric assembly, and the whole assembly efficiency is improved. Specifically, steel pipes are directly selected to form the enclosure.
In order to form the supporting strength in the other direction, the reinforcing member 400 is provided with a through hole 410, and a reinforcing rib (not shown) is provided through the through hole 410 in a direction parallel to the steel plate 100.
In this embodiment, in order to connect the sub-closed cavities and the closed cavities, the strength is increased, so that the perforations and the reinforcing ribs in the perforations are provided, and the direct strength of the sub-closed cavities and the closed cavities can be further enhanced.
To increase the strength of the reinforcing bars, at least one end of the reinforcing bars is connected to the enclosure 500.
In this embodiment, the stiffener is connected with the enclosure to form an integral body, and the stiffener is added in the filled structure body formed by concrete at the moment, so that the strength in the structure body is increased, and the decomposed stress can be borne by the stiffener.
Specifically, the reinforcement member 400 is a metal plate welded to the steel plate 100 in a direction perpendicular to the steel plate 100.
In this embodiment, the reinforcing component is made of a metal plate, such as a steel plate, which can increase the strength of the filling structure, such as forming structures in the closed cavity connecting two ends of the closed cavity, so that support reinforcing members are added in the oversized closed cavity.
In order to enhance the supporting effect, the FRP restraint 300 and the reinforcing member 400 are supported on the assembly space and are connected to the steel plate 100.
In this embodiment, the FRP restraint and the reinforcement assembly form a double-layer support structure, so that the stress is further decomposed, the connection strength is ensured, and the connection strength of the steel member and the concrete member is reinforced.
When the connection surfaces of the steel plate 100 and the concrete structure 200 are more, the number of the FRP constraint pieces 300 is several, and the support areas are formed on the assembly surfaces by the FRP constraint pieces 300.
In this embodiment, a plurality of FRP constraint parts, specifically fiber reinforced composite structural members, are arranged, and a plurality of supporting parts are formed between the steel and the concrete structure, so that the overall stress performance is increased, the stress is decomposed, the fatigue performance is strong, and the concrete structure is good in connection effect.
Referring to fig. 1-2, in practical application, a novel steel-FRP dual-constraint steel-concrete connector in this embodiment includes 1 steel base plate forming steel plate 100, 1 perforated steel plate forming reinforcing component 400, one round steel pipe forming enclosure 500, and 1 FRP constraint 300 formed by FRP round pipe. The reinforcement assembly 400 of the perforated steel sheet is welded to the steel sheet 100; the round steel pipe is welded with the steel bottom plate; and the FRP round tube is adhered to the steel bottom plate. And then pouring concrete between the perforated steel plate and the round steel pipe, and pouring concrete between the round steel pipe and the FRP round pipe. The utility model adopts the round steel pipe and the FRP round pipe to simultaneously restrain the concrete, thereby greatly increasing the strength and the rigidity of the connecting joint, reducing the stress concentration phenomenon and improving the fatigue resistance of the structure.
When the embodiment is applied, the steel plate 100 and the concrete structure 200 are arranged in parallel, and the steel beam 600 is arranged in the vertical direction, and the steel plate 100 above the steel beam 600 and the concrete structure 200 are required to be stably connected, so that FRP restraint members and the like are added.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The steel concrete connecting piece provided with the FRP constraint piece is characterized by comprising,
a steel plate forming an assembly face;
the concrete structure is formed by a concrete structure, and an assembly space is formed between the concrete structure and the assembly surface;
the FRP constraint piece is positioned in the assembly space and is used for connecting the steel plate and the concrete structure;
the FRP restraint piece is bar-shaped structure, after the both ends of bar-shaped structure are connected, form the closed chamber in the assembly space, in the closed intracavity is filled with the structure, be provided with the reinforcing component in the structure, the reinforcing component forms the segmentation piece for the part structure that is located the closed intracavity is cut apart.
2. The FRP-restrained steel concrete coupler of claim 1 further including a closure member within the closed cavity, the reinforcement assembly being located within the closure member.
3. The reinforced concrete connecting member provided with the FRP restraint according to claim 2, wherein the enclosure forms a sub-closed cavity, and the reinforcing member is connected at least at one end to an inner wall of the sub-closed cavity.
4. A reinforced concrete connecting piece provided with an FRP restraint according to claim 3, characterized in that the sub-closed cavities are similar to the closed cavities, and the enclosure and the FRP restraint are both of a circular tube structure.
5. The reinforced concrete connecting member provided with the FRP restraint according to claim 2, wherein the reinforcing member is provided with a perforated hole through which the reinforcing rib is provided in a direction parallel to the steel plate.
6. The FRP-restrained steel concrete coupler of claim 5, wherein at least one end of the reinforcing rib is connected to the enclosure.
7. The reinforced concrete connecting member provided with the FRP restraint according to claim 5, wherein the reinforcing member is a metal plate welded to the steel plate in a direction perpendicular to the steel plate.
8. The steel concrete connecting piece provided with the FRP restraint according to claim 1, wherein the FRP restraint and the reinforcing member are supported on the assembly space and are connected with a steel plate.
9. The reinforced concrete connecting piece provided with the FRP restraint members according to claim 1, wherein the number of the FRP restraint members is plural, and the plural FRP restraint members form a supporting area on the fitting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118300.4U CN219508831U (en) | 2023-02-06 | 2023-02-06 | Steel concrete connecting piece with FRP constraint piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118300.4U CN219508831U (en) | 2023-02-06 | 2023-02-06 | Steel concrete connecting piece with FRP constraint piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219508831U true CN219508831U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320118300.4U Active CN219508831U (en) | 2023-02-06 | 2023-02-06 | Steel concrete connecting piece with FRP constraint piece |
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|---|---|
| CN (1) | CN219508831U (en) |
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2023
- 2023-02-06 CN CN202320118300.4U patent/CN219508831U/en active Active
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