Concrete double-T plate prestress reinforcing device
By installing reinforcement and prestressed support columns at the bottom of the rib beam of the concrete double T-plate, combining the pads and support components, the problem of prestress reduction in traditional double T-plate is solved, and the strength and crack resistance are improved and extended The service life is reduced and the production costs and construction complexity are reduced.
Patent Information
- Application Number
- CN202420781018.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During the production, transportation and use of traditional concrete double T-panels, due to operating errors, vibrations, material deterioration, etc., resulting in weakening of strength and decreasing tensile bearing capacity. The traditional reinforcement method is costly and ineffective. Solve the problem of insufficient prestress.
Design a concrete double T-plate prestressing reinforcement device, which ensures the strength, quality and quality of the double T-plate by setting reinforcement and prestressing columns at the bottom of the rib beam, and combining soft pads and support components, and lifting or restoring prestressing, ensuring the strength, quality and Crack resistance, reduces production costs, and facilitates construction and maintenance through a removable design.
Effectively improve or restore the prestress of the double T-plate, extend the service life, reduce production costs, improve construction efficiency, ensure the stability of the double T-plate in load-bearing capacity and crack resistance, and avoid mass decline caused by reduced prestress.
Smart Images
Figure CN222253264U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete double T-plates, in particular to a prestressed reinforcement device for concrete double T-plates. Background Art
[0002] Prestressed concrete double T-slab is a prestressed reinforced concrete load-bearing member prefabricated by two rib beams, a top plate and several prestressed tendons cast in concrete, and its cross section is double T-shaped. The top plate of the double T-slab provides a large compression zone, while the two lower beams bear the main tension. When the double T-slab bears the upper load, the compressive stress generated by the prestressed tendons distributed in the rib beams and the top plate can offset part of the tensile stress, thereby reducing the cracks in the top plate and the rib beams, making the double T-slab have good bending resistance and is particularly suitable for bearing uniformly distributed loads or concentrated loads. According to the uniqueness of the double T-slab structure, it is developed for building structures that require large spans and high debt repayment capacity to meet the needs of industrialized production for building space and efficiency. It has the characteristics of fast construction speed, economic efficiency and wide applicability.
[0003] However, the traditional double T-plate will not only reduce or lose the prestress of the double T-plate due to operational errors during the production process, vibration during transportation and hoisting, and the influence of factors such as concrete creep, shrinkage, and relaxation of prestressed tendons, thereby weakening the strength, quality, and tensile bearing capacity of the double T-plate, affecting the normal use of the double T-plate, but the traditional double T-plate will also have problems such as insufficient prestress as the demand for its load-bearing capacity gradually increases, and the prestress of the traditional double T-plate will also be significantly reduced during long-term use, thereby weakening the later bearing capacity and crack resistance of the double T-plate, thereby shortening the service life of the double T-plate. In order to increase the prestress of the double T-plate, the traditional reinforcement method usually adopts the addition of prestressed tendons or steel bars in the two rib beams and the top plate, but its production cost is high, and because the double T-plate is a prefabricated part, the traditional method still cannot solve the problem of reduced or lost prestress caused by production operation errors, transportation damage, material deterioration, etc. Utility Model Content
[0004] The utility model aims to provide a concrete double T-plate prestressing reinforcement device to solve the problem that the prestressing of the prefabricated concrete double T-plate cannot be restored and improved in the prior art.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] A prestressed reinforcement device for a concrete double T-plate, the double T-plate comprising a top plate and two rib beams, the two rib beams being symmetrically arranged below the top plate, the ends of the double T-plate being supported on support beams, the reinforcement device comprising a reinforcement member, the reinforcement member being arranged along the length direction of the rib beam and abutting against the bottom of the rib beam, and the ends of the reinforcement member being supported on the support beams.
[0007] According to the above technical means, by respectively abutting reinforcements at the bottom of the two rib beams of the double T-plate to enhance or restore the prestress of the double T-plate in service, the strength, quality, bearing capacity and crack resistance of the double T-plate are guaranteed, and the service life of the double T-plate is extended. The double T-plate is not affected by the reduction, loss, and deficiency of prestress caused by production operation errors, transportation damage, material deterioration, overload bearing capacity, and long service life. The double T-plate can still be used normally, reducing production costs, simplifying and convenient disassembly and assembly, high construction efficiency, and short prestress recovery period.
[0008] Furthermore, the reinforcing device also includes a soft pad, which is filled between the reinforcing member and the rib beam along the length direction of the rib beam.
[0009] According to the above technical means, by laying a soft pad between the reinforcement and the rib beam, the gap between the reinforcement and the rib beam caused by the allowable construction error is reduced to ensure that the bottom of the rib beam of the double T plate is in full contact with the top of the reinforcement, so that the load of the rib beam can be effectively transferred to the reinforcement. Specifically, when it is necessary to install or replace the reinforcement at the bottom of the rib beam, the height of the pad cloth can be adjusted to make the reinforcement and the rib beam in effective contact, so as to ensure that the prestress can be effectively increased.
[0010] Furthermore, the reinforcement device also includes a support assembly, the support assembly is installed on the support beam, and the end of the reinforcement is connected to the support assembly.
[0011] According to the above technical means, the end of the reinforcement is installed on the support beam through the support assembly, which is convenient for construction and easy to operate.
[0012] Furthermore, the support assembly includes a support body, the support body is provided with a groove, and the end of the reinforcement can be clamped in the groove.
[0013] According to the above technical means, when in use, the support body is first installed on the support beam, and then the installation of the reinforcement is completed by clamping the end of the reinforcement in the groove, so that the reinforcement is detachable and can be replaced individually when in use, which makes the construction convenient and fast, saves materials and reduces costs.
[0014] Furthermore, the support assembly also includes a threaded sleeve and a screw, the threaded sleeve is pre-embedded in the support beam, and the screw can pass through the support body and be threadedly connected to the threaded sleeve.
[0015] According to the above technical means, the support body is detachably installed on the support beam by means of screws and threaded sleeves, and the construction is convenient and easy to operate.
[0016] Furthermore, the number of the threaded sleeves and the number of the screws are two or more, and each threaded sleeve is evenly distributed and corresponds to a screw respectively.
[0017] According to the above technical means, each threaded sleeve and screw cooperates with each other to ensure the stability of the support body, so that the support body can be installed on the support beam more firmly and stably.
[0018] Furthermore, the reinforcement comprises a prestressed support column, the length of which is arranged along the length direction of the rib beam, the end of which can be snap-fitted into the groove, and prestressed steel bars are arranged inside the prestressed support column along its length direction.
[0019] According to the above technical means, prestressed steel bars are arranged in the prestressed support column to increase the strength of the prestressed support column, thereby improving the prestress. When in use, the prestressed support column is abutted against the bottom of the rib beam through a pad to increase or restore the prestress of the double T plate, and the construction is fast and convenient.
[0020] Furthermore, the reinforcement member also includes a long support frame, and the long support frame is covered on the prestressed support column.
[0021] According to the above technical means, the long support frame is not only used for the production and shaping of prestressed support columns, but also can protect the outer wall of the prestressed support columns to prevent damage to the prestressed support columns, extend the service life of the prestressed support columns, reduce costs and improve production efficiency.
[0022] Furthermore, the number of the prestressed steel bars is more than two, and each of the prestressed steel bars is evenly distributed in the cavity of the prestressed support column.
[0023] According to the above technical means, a plurality of prestressed steel bars are used to increase the strength of the prestressed support column, thereby ensuring the prestress of the stress support column.
[0024] Furthermore, an anti-corrosion layer is provided on the outer wall of the long support frame.
[0025] According to the above technical means, the anti-corrosion layer prevents the long support frame from rusting and breaking, thereby extending the service life of the long support frame.
[0026] Beneficial effects achieved by the utility model:
[0027] The utility model improves or restores the prestress of the double T-plate in service by respectively abutting reinforcing members with preset prestress at the bottoms of the two rib beams of the double T-plate, thereby ensuring the strength, quality, bearing capacity and crack resistance of the double T-plate, extending the service life of the double T-plate, and preventing the double T-plate from being affected by the reduction, loss, insufficiency and other problems of prestress caused by production operation errors, transportation damage, material deterioration, overload bearing capacity, excessive service life and other factors, and can still be used normally, thereby reducing production costs, being simple and convenient to disassemble and assemble, having high construction efficiency and short prestress recovery period. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a schematic diagram of the partial structure of the connection of the double T-plate, support beam, reinforcement and support assembly of the utility model;
[0029] Figure 2 It is a structural schematic diagram of the support body, threaded sleeve and screw of the utility model;
[0030] Figure 3 It is a structural schematic diagram of the reinforcement member of the utility model;
[0031] Figure 4 It is an exploded view of the double T-plate, support beam, reinforcement and support assembly of the utility model.
[0032] Among them, 1-double T plate; 11-top plate; 12-rib beam; 2-support beam; 3-reinforcement; 31-prestressed support column; 32-prestressed steel bar; 33-long support frame; 4-cushion; 5-support assembly; 51-support body; 511-groove; 52-threaded sleeve; 53-screw.
[0033] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The same or similar numbers correspond to the same or similar parts. The terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations on this patent. Specific embodiments
[0034] It should be noted that, in the absence of conflict, the embodiments and technical features in the embodiments of the present application can be combined with each other, and the detailed description in the specific embodiments should be understood as an explanation of the purpose of the present application and should not be regarded as an improper limitation on the present application.
[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the specific technical solution of the present application will be further described in detail below in conjunction with the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but are not used to limit the scope of the present application.
[0036] In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, unless otherwise specified, "multiple" means two or more.
[0037] In the embodiments of the present application, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium.
[0038] In the embodiments of the present application, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0039] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.
[0040] The technical solution of the present utility model is described in detail below in conjunction with the specific drawings.
[0041] In this embodiment, a concrete double T-plate prestressed reinforcement device, such as Figure 1 As shown, the double T-plate 1 includes a top plate 11 and two rib beams 12, the two rib beams 12 are symmetrically arranged below the top plate 11, and the ends of the double T-plate 1 are supported on the support beam 2. The reinforcing device includes a reinforcing member 3, which is arranged along the length direction of the rib beam 12 and abuts against the bottom of the rib beam 12, and the ends of the reinforcing member 3 are supported on the support beam 2.
[0042] The reinforcement member 3 of this embodiment is preset with prestress. By abutting the reinforcement member 3 at the bottom of the rib beam 12, the prestress of the double T-plate 1 in service is increased or restored, thereby ensuring the strength, quality, bearing capacity and crack resistance of the double T-plate 1 and extending the service life of the double T-plate 1. Specifically, when the double T-plate 1 in service needs to increase or restore the prestress, reinforcement members 3 are respectively provided at the bottom of the two rib beams 12 of the double T-plate 1 to provide additional prestress, so that the double T-plate 1 is not affected by the reduction, loss, and insufficiency of prestress caused by production operation errors, transportation damage, material deterioration, overload bearing capacity, and long service life. The double T-plate 1 can still be used normally, reduce loss, reduce maintenance costs, and be simple and convenient to disassemble and assemble, with high construction efficiency and short prestress recovery period. Among them, under the action of the reinforcement member 3 to ensure the prestress of the double T-plate 1, the double T-plate 1 can reduce the number of prestressed tendons in the rib beam during the production process, and can also reduce the height of the rib beam 12, so as to reduce the use of raw materials and reduce the weight of the double T-plate 1, thereby reducing production costs, facilitating transportation and installation, and improving construction efficiency.
[0043] In this embodiment, the reinforcing device further comprises a soft pad 4, and the soft pad 4 is filled between the reinforcing member 3 and the rib beam 12 along the length direction of the rib beam 12; Figure 1 and Figure 4 As shown, in this embodiment, a soft pad 4 is laid between the reinforcement 3 and the rib beam 12 to reduce the gap between the reinforcement 3 and the rib beam 12 caused by the allowable construction error, so as to ensure that the bottom of the rib beam 12 of the double T-plate 1 can be completely in contact with the top of the reinforcement 3, so that the load of the rib beam 12 can be effectively transferred to the reinforcement 3. Specifically, when it is necessary to install or replace the reinforcement 3 at the bottom of the rib beam 12 during use, the height of the pad 4 can be adjusted to make the reinforcement 3 and the rib beam 12 effectively in contact, so as to ensure that the prestress can be effectively increased; wherein, the pad 4 can be a geotextile or a felt cloth.
[0044] In this embodiment, the reinforcing device further comprises a support assembly 5, the support assembly 5 is mounted on the support beam 2, and the end of the reinforcing member 3 is connected to the support assembly 5; Figure 1 As shown, in this embodiment, the end of the reinforcement member 3 is installed on the support beam 2 through the support assembly 5, which is convenient to construct and easy to operate.
[0045] In this embodiment, the support assembly 5 includes a support body 51, and the support body 51 is provided with a groove 511, and the end of the reinforcement member 3 can be clamped in the groove 511; Figure 4 As shown, when this embodiment is in use, the support body 51 is first installed on the support beam 2, and then the reinforcement 3 is installed by clamping the end of the reinforcement 3 in the groove 511, so that the reinforcement 3 is detachable. When in use, the reinforcement 3 can be replaced separately, which makes the construction convenient and quick, saves materials and reduces costs.
[0046] In this embodiment, the support assembly 5 further includes a threaded sleeve 52 and a screw 53. The threaded sleeve 52 is pre-buried in the support beam 2. The screw 53 can pass through the support body 51 and be threadedly connected to the threaded sleeve 52. Figure 2 and Figure 4 As shown, the support body 51 of this embodiment is detachably mounted on the support beam 2 by means of screws 53 and threaded sleeves 52, and the construction is convenient and easy to operate.
[0047] Furthermore, as a preferred embodiment, the number of the threaded sleeves 52 and the number of the screws 53 are two or more, and each threaded sleeve 52 is evenly distributed and corresponds to a screw 53 respectively; each threaded sleeve 52 and screw 53 cooperates with each other to ensure the stability of the support body 51, so that the support body 51 can be installed on the support beam 2 more firmly and stably.
[0048] In this embodiment, the reinforcement member 3 includes a prestressed support column 31, the length of which is arranged along the length direction of the rib beam 12, the end of which can be snapped into the groove 51, and prestressed steel bars 32 are arranged inside the prestressed support column 31 along its length direction.
[0049] In this embodiment, Figure 3 As shown, when the prestressed steel bar 32 has the designed prestress, the prestressed steel bar 32 is arranged in the prestressed support column 31 to increase the strength of the prestressed support column 31, so that the prestressed support column 31 has prestress, which is used to enhance or restore the prestress of the double T-plate 1. When in use, the prestressed support column 31 is abutted against the bottom of the rib beam 12 through the pad 4, and then the end of the prestressed support column 31 is clamped in the groove 51, so that it is installed on the support beam 2, which is used to enhance or restore the prestress of the double T-plate 1, and the construction is fast and convenient; wherein, the prestressed support column 31 can be formed by pouring concrete, and can also be corrosion-resistant high-material steel.
[0050] In this embodiment, the reinforcement member 3 further includes a long support frame 33, and the long support frame 33 is coated on the prestressed support column 31; Figure 3As shown, the long support frame 33 is not only used for the production and shaping of the prestressed support column 31, but also can protect the outer wall of the prestressed support column 31 to prevent the prestressed support column 31 from corrosion and damage, thereby extending the service life of the prestressed support column, reducing costs and improving production efficiency. Specifically, when in use, when the prestressed support column 31 is cast by concrete, the concrete is cast and filled in the long support frame 33, and prestressed steel bars 32 are placed in the concrete to improve the compressive strength, and the groove 51 matches the size of the long support frame 33; wherein the long support frame 33 can be a square steel frame, when the prestressed steel bars 32 have the designed prestress, due to the bonding force between the steel bars and the concrete, the concrete is compressed, and because the concrete is wrapped and clamped by the square steel frame, the whole is in a three-way compression state, and the bearing capacity and ductility are greatly improved.
[0051] Furthermore, as a preferred embodiment, the number of the prestressed steel bars 32 is more than two, and each of the prestressed steel bars 32 is evenly distributed in the cavity of the prestressed support column 31; each prestressed steel bar 32 is used to increase the strength of the prestressed support column 31, thereby ensuring the prestress of the stress support column 31.
[0052] Furthermore, as a preferred embodiment, an anti-corrosion layer is provided on the outer wall of the long support frame 33; the anti-corrosion layer prevents the long support frame 33 from rusting and breaking, thereby extending the service life of the long support frame 33; wherein the anti-corrosion layer can be a rust inhibitor or a fiber reinforced cloth.
[0053] The serial numbers of the embodiments of the present application are only for description and do not represent the advantages and disadvantages of the embodiments. The above are only preferred embodiments of the present application, and do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A prestressed reinforcement device for a concrete double T-plate, the double T-plate (1) comprising a top plate (11) and two rib beams (12), the two rib beams (12) being symmetrically arranged below the top plate (11), the ends of the double T-plate (1) being supported on a support beam (2), characterized in that: The reinforcing device comprises a reinforcing member (3), wherein the reinforcing member (3) is arranged along the length direction of the rib beam (12) and abuts against the bottom of the rib beam (12), and the end of the reinforcing member (3) is supported on the supporting beam (2).
2. A concrete double T-plate prestressed reinforcement device according to claim 1, characterized in that: The reinforcing device further comprises a soft pad (4), wherein the soft pad (4) is filled between the reinforcing member (3) and the rib beam (12) along the length direction of the rib beam (12).
3. A concrete double T-plate prestressed reinforcement device according to claim 1, characterized in that: The reinforcing device further comprises a support assembly (5), wherein the support assembly (5) is mounted on the support beam (2), and the end of the reinforcing member (3) is connected to the support assembly (5).
4. A concrete double T-plate prestressed reinforcement device according to claim 3, characterized in that: The support assembly (5) comprises a support body (51), the support body (51) is provided with a groove (511), and the end of the reinforcement member (3) can be clamped in the groove (511).
5. A concrete double T-plate prestressed reinforcement device according to claim 4, characterized in that: The support assembly (5) further comprises a threaded sleeve (52) and a screw (53); the threaded sleeve (52) is pre-buried in the support beam (2); and the screw (53) can pass through the support body (51) and be threadedly connected to the threaded sleeve (52).
6. A concrete double T-plate prestressed reinforcement device according to claim 5, characterized in that: The number of the threaded sleeves (52) and the number of the screws (53) are two or more, respectively, and each of the threaded sleeves (52) is evenly distributed and corresponds to a screw (53).
7. A concrete double T-plate prestressed reinforcement device according to claim 3, characterized in that: The reinforcing member (3) comprises a prestressed support column (31), the length of the prestressed support column (31) being arranged along the length direction of the rib beam (12), the end of the prestressed support column (31) being capable of being snap-fitted with the groove (511), and prestressed steel bars (32) being arranged inside the prestressed support column (31) along the length direction thereof.
8. A concrete double T-plate prestressed reinforcement device according to claim 7, characterized in that: The reinforcement member (3) further comprises a long support frame (33), wherein the long support frame (33) is coated on the prestressed support column (31).
9. The concrete double T-plate prestressed reinforcement device according to claim 7, characterized in that: The number of the prestressed steel bars (32) is more than two, and each of the prestressed steel bars (32) is evenly distributed in the cavity of the prestressed support column (31).
10. A concrete double T-slab prestressed reinforcement device according to claim 8, characterized in that: An anti-corrosion layer is provided on the outer wall of the long strip support frame (33).