CN114319650A - Self-resetting connecting structure based on reinforced concrete beam and cold-formed thin-walled steel wall - Google Patents
Self-resetting connecting structure based on reinforced concrete beam and cold-formed thin-walled steel wall Download PDFInfo
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- CN114319650A CN114319650A CN202011056327.2A CN202011056327A CN114319650A CN 114319650 A CN114319650 A CN 114319650A CN 202011056327 A CN202011056327 A CN 202011056327A CN 114319650 A CN114319650 A CN 114319650A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 51
- 238000013016 damping Methods 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The invention relates to a self-resetting connection structure based on a reinforced concrete beam and a cold-formed thin-walled steel wall body, which comprises the reinforced concrete beam, the cold-formed thin-walled steel wall body and a self-resetting assembly arranged on the reinforced concrete beam and the cold-formed thin-walled steel wall body, wherein the self-resetting assembly comprises a support cylinder body, a guide rod and a ring spring damping piece, one end of the guide rod penetrates through the ring spring damping piece and extends into the support cylinder body, limiting bulges respectively abutting against two ends of the ring spring damping piece are further arranged on the guide rod, two jacking pieces are further fixedly arranged in the support cylinder body at intervals, and the jacking pieces can be used for the guide rod to penetrate through and respectively and correspondingly abutting against two ends of the ring spring damping piece. Compared with the prior art, the invention not only can effectively release the deformation or impact between the reinforced concrete beam and the cold-bending thin-wall steel wall body, but also has the advantages of self-resetting function, difficult damage and long service life.
Description
Technical Field
The invention belongs to the technical field of connecting pieces of steel structure buildings, and relates to a self-resetting connecting structure based on a reinforced concrete beam and a cold-formed thin-walled steel wall.
Background
When the existing reinforced concrete beam is just deformed under the action of a large vertical force, the rigid connection structure adopting the steel strip connecting piece can completely transmit the load action to the non-bearing wall, so that the non-bearing wall is damaged due to the overlarge load. Although there is a scheme of using a steel plate folding piece to replace a steel belt connecting piece to buffer the deformation acting force of the reinforced concrete beam in the prior art such as Chinese patent CN103883016A, the steel plate folding piece has high vulnerability and is frequently replaced.
Disclosure of Invention
The invention aims to provide a self-resetting connection structure based on a reinforced concrete beam and a cold-formed thin-walled steel wall body, so that the connection between the reinforced concrete beam and the cold-formed thin-walled steel wall body is not damaged.
The purpose of the invention can be realized by the following technical scheme:
the self-resetting connecting structure comprises a reinforced concrete beam, a cold-bent thin-wall steel wall body and a self-resetting assembly arranged on the reinforced concrete beam and the cold-bent thin-wall steel wall body, wherein the self-resetting assembly comprises a supporting cylinder body, a guide rod and a ring spring damping piece, one end of the guide rod penetrates through the ring spring damping piece and extends into the supporting cylinder body, limiting protrusions which respectively abut against two ends of the ring spring damping piece are further arranged on the guide rod, two jacking pieces are fixedly arranged inside the supporting cylinder body at intervals and can be used for the guide rod to penetrate through and respectively abut against two ends of the ring spring damping piece, the end part of the supporting cylinder body is hinged to the reinforced concrete beam, and the end part of the guide rod is hinged to the cold-bent thin-wall steel wall body.
Furthermore, the jacking piece is provided with a through hole for the limiting protrusion to pass through, the guide rod penetrates through the pre-tightening piece at the corresponding position and extends out of the end part of the opening at one end of the support cylinder body, a second end joint of the cold-formed thin-walled steel wall body is hinged to the guide rod, and the other end of the support cylinder body is provided with a first end joint hinged to the reinforced concrete beam.
Furthermore, an annular base plate is arranged between the limiting bulge and the annular spring damping part.
Furthermore, the inner diameter of the annular base plate is smaller than the outer diameter of the limiting protrusion, and the outer diameter of the annular base plate is larger than the outer diameter of the limiting protrusion and the inner diameter of the jacking piece.
Furthermore, one of the two top members is a limiting sleeve fixedly arranged in the supporting cylinder body, and the other one is an annular plug arranged at the opening position at one end of the supporting cylinder body.
Furthermore, external threads are processed at two ends of the guide rod, and the limiting protrusion is a limiting nut fixed at the end part of the guide rod through threads.
Furthermore, two or more limit nuts are arranged at any end part of the guide rod.
Furthermore, the guide rod is processed into a step-shaped structure with two small sections and a large middle part.
Furthermore, the supporting cylinder body is formed by splicing a first cylinder body and a second cylinder body which are symmetrical.
Furthermore, the ring spring damping part is a ring spring group.
Furthermore, the two ends of the self-resetting assembly are respectively connected with the reinforced concrete beam and the cold-bending thin-wall steel wall body through spherical hinges.
Compared with the prior art, the invention has the following advantages:
(1) through the setting from reset assembly, can release the deformation that the reinforced concrete roof beam atress produced through the compression from reset assembly inside, guarantee that the thin wall steel wall body of clod wash is not destroyed.
(2) This adds axial resistance and a restoring effect to the overall self-restoring assembly, since the ring spring damper within the self-restoring assembly is in compression, both when in compression and tension. In addition, the self-resetting component is matched with the hinged relation between the two ends of the self-resetting component and the reinforced concrete beam and the cold-bending thin-wall steel wall body respectively, when the cold-bending thin-wall steel wall body deforms horizontally and vertically due to thermal expansion and cold contraction, the self-resetting component can counteract the effect through micro rotation, compression or tensile deformation and the like between the reinforced concrete beam and the cold-bending thin-wall steel wall body, and further the integrity of the wall body is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a self-resetting assembly;
the notation in the figure is:
the self-resetting assembly comprises 1-a reinforced concrete beam, 2-a cold-formed thin-walled steel wall body, 3-a self-resetting assembly, 301-a supporting cylinder body, 302-a guide rod, 303-an annular spring damping piece, 304-a limiting nut, 305-a limiting sleeve, 306-an annular plug, 307-an annular base plate, 308-a first end connector and 309-a second end connector.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, functional components or structures that are not specifically described are all conventional components or structures used in the art to achieve the corresponding functions.
The invention provides a self-resetting connection structure based on a reinforced concrete beam 1 and a cold-formed thin-walled steel wall 2, which is structurally shown in a figure 1 and a figure 2 and comprises the reinforced concrete beam 1, the cold-formed thin-walled steel wall 2 and a self-resetting assembly 3 arranged on the reinforced concrete beam 1 and the cold-formed thin-walled steel wall 2, wherein the self-resetting assembly 3 comprises a support cylinder body 301, a guide rod 302 and a ring spring damping piece 303, one end of the guide rod 302 penetrates through the ring spring damping piece 303 and extends into the support cylinder body 301, limiting bulges respectively abutting against two ends of the ring spring damping piece 303 are further arranged on the guide rod 302, two jacking pieces are further fixedly arranged in the support cylinder body 301 at intervals and can be used for the guide rod 302 to penetrate and respectively abut against two ends of the ring spring damping piece 303, the end part of the support cylinder body 301 is hinged with the reinforced concrete beam 1, the end part of the guide rod 302 is also hinged with the cold-bending thin-wall steel wall body 2.
In a specific embodiment, a through hole for passing a limiting protrusion is formed in the tightening member, a second end joint 309 hinged to the cold-formed thin-walled steel wall 2 is further provided at an end of the guide rod 302 passing through the corresponding position tightening member and extending out of an opening at one end of the support cylinder 301, and a first end joint 308 hinged to the reinforced concrete beam 1 is provided at the other end of the support cylinder 301.
In a specific embodiment, an annular shim plate 307 is also provided between the stop lug and the ring spring damping member 303.
Further, the inner diameter of the annular backing plate 307 is smaller than the outer diameter of the limiting protrusion, and the outer diameter of the annular backing plate 307 is larger than the outer diameter of the limiting protrusion and the inner diameter of the tightening member.
In a specific embodiment, one of the two urging members is a restraining sleeve 305 fixedly installed inside the supporting cylinder 301, and the other is an annular plug 306 provided at a position opened at one end of the supporting cylinder 301.
In a specific embodiment, both ends of the guide rod 302 are externally threaded, and the limiting protrusion is a limiting nut 304 that is threadedly fixed at the end of the guide rod 302.
Further, two or more stop nuts 304 are provided at either end of the guide bar 302.
Furthermore, the guide rod 302 is processed into a step-shaped structure with two small sections and a large middle section.
In a specific embodiment, the supporting cylinder 301 is formed by splicing a first cylinder and a second cylinder which are symmetrical.
In one specific embodiment, the ring spring damper 303 is a ring spring assembly.
In a specific embodiment, two ends of the self-resetting component 3 are respectively connected with the reinforced concrete beam 1 and the cold-formed thin-walled steel wall body 2 through spherical hinges.
The above embodiments may be implemented individually, or in any combination of two or more.
The above embodiments will be described in more detail with reference to examples.
Example 1:
the embodiment provides a self-resetting connection structure based on a reinforced concrete beam 1 and a cold-formed thin-walled steel wall body 2, the structure of the steel reinforced concrete wall is shown in figures 1 and 2, and comprises a reinforced concrete beam 1 and a cold-formed thin-walled steel wall body 2, and a self-resetting component 3 arranged between the reinforced concrete beam 1 and the cold-formed thin-walled steel wall body 2, wherein the self-resetting component 3 comprises a supporting cylinder body 301, a guide rod 302 and a ring spring damping piece 303, one end of the guide rod 302 penetrates through the ring spring damping piece 303 and extends into the supporting cylinder body 301, the guide rod 302 is also provided with limiting bulges which respectively abut against two ends of the ring spring damping part 303, the supporting cylinder body 301 is also internally and fixedly provided with two top fastening parts at intervals, the top fastening parts can be penetrated by the guide rod 302, and are respectively used for correspondingly propping against two ends of the ring spring damping part 303, the end part of the supporting cylinder body 301 is hinged with a reinforced concrete beam 1, and the end part of the guide rod 302 is also hinged with a cold-formed thin-wall steel wall body 2.
Referring to fig. 2 again, a through hole for the limiting protrusion to pass through is formed in the tightening member, a second end joint 309 hinged to the cold-formed thin-walled steel wall 2 is further disposed on the end of the guide rod 302, which passes through the corresponding pre-tightening member and extends out of the opening at one end of the support cylinder 301, a first end joint 308 hinged to the reinforced concrete beam 1 is disposed at the other end of the support cylinder 301, and the first end joint 308 and the second end joint 309 are connected to the reinforced concrete beam 1 and the cold-formed thin-walled steel wall 2 respectively through a spherical hinge.
Referring to fig. 2 again, an annular pad 307 is disposed between the position-limiting protrusion and the ring-spring damping member 303. The inner diameter of the annular backing plate 307 is smaller than the outer diameter of the limiting protrusion, and the outer diameter of the annular backing plate 307 is larger than the outer diameter of the limiting protrusion and the inner diameter of the tightening member.
Referring to fig. 2 again, one of the two tightening members is a restraining sleeve 305 fixedly installed inside the supporting cylinder 301, and the other one is an annular plug 306 provided at an opening position at one end of the supporting cylinder 301.
Referring to fig. 2 again, both ends of the guide rod 302 are provided with external threads, the limiting protrusions are limiting nuts 304 fixed at the ends of the guide rod 302 by threads, two or more limiting nuts 304 at both ends of the guide rod 302 are preferably provided, and in addition, in order to facilitate the placement of the limiting nuts 304, the backing plate and the like, the guide rod 302 is processed into a step-shaped structure with two small sections and a large middle part.
During specific work, the first end joint 308 and the second end joint 309 are respectively connected and installed on the assembled reinforced concrete beam 1 and the cold-formed thin-walled steel wall body 2 through the spherical hinges, and when the reinforced concrete beam 1 deforms under vertical acting force and the like, the ring spring dampers in the self-resetting component 3 are compressed, so that the guide rod 302 continuously extends into the supporting cylinder body 301, and vertical deformation of the supporting cylinder body is buffered. Similarly, when the reinforced concrete and the cold-bending thin-walled steel wall body 2 are subjected to deformation or impact between the vertical direction and the horizontal direction due to other external forces or self expansion and contraction, the deformation and the impact can be buffered through micro rotation of the self-resetting component 3 and self compression or tension deformation, and further the phenomenon that the integrity of the wall body is damaged due to overlarge transfer load caused by traditional rigid connection is avoided. In addition, due to the self-resetting effect of the ring spring damper, the whole connecting structure can also automatically reset after deformation or impact is finished, and the service life of the whole connecting structure is greatly prolonged.
The ring spring damper in the above embodiments or examples may adopt a conventional ring spring set or the like.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body is characterized by comprising the reinforced concrete beam, the cold-formed thin-walled steel wall body and a self-resetting assembly arranged on the reinforced concrete beam and the cold-formed thin-walled steel wall body, wherein the self-resetting assembly comprises a supporting cylinder body, a guide rod and a ring spring damping piece, one end of the guide rod penetrates through the ring spring damping piece and extends into the supporting cylinder body, limiting protrusions which respectively abut against two ends of the ring spring damping piece are further arranged on the guide rod, two jacking pieces are fixedly arranged inside the supporting cylinder body at intervals and can be used for the guide rod to penetrate through and respectively abut against two ends of the ring spring damping piece, the end part of the supporting cylinder body is hinged to the reinforced concrete beam, and the end part of the guide rod is hinged to the cold-formed thin-walled steel wall body.
2. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body according to claim 1, wherein a through hole for a limiting protrusion to pass through is formed in the tightening member, a second end joint for hinging the cold-formed thin-walled steel wall body is further arranged on the end part of the guide rod, which passes through the corresponding position pre-tightening member and extends out of an opening at one end of the supporting cylinder body, and a first end joint for hinging the reinforced concrete beam is arranged at the other end of the supporting cylinder body.
3. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body according to claim 1, wherein an annular base plate is further arranged between the limiting protrusion and the ring spring damping piece.
4. The self-resetting connection structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body is characterized in that the inner diameter of the annular base plate is smaller than the outer diameter of the limiting protrusion, and the outer diameter of the annular base plate is larger than the outer diameter of the limiting protrusion and the inner diameter of the jacking piece.
5. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body is characterized in that one of the two jacking pieces is a limiting sleeve fixedly installed inside the supporting cylinder body, and the other jacking piece is an annular plug arranged at an opening position at one end of the supporting cylinder body.
6. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body according to claim 1, wherein external threads are processed at both ends of the guide rod, and the limiting protrusion is a limiting nut which is fixed at the end part of the guide rod in a threaded manner.
7. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body as claimed in claim 6, wherein two or more limiting nuts are arranged at any end of the guide rod.
8. The self-resetting connection structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body according to claim 1, wherein two ends of the self-resetting assembly are respectively connected with the reinforced concrete beam and the cold-formed thin-walled steel wall body through spherical hinges.
9. The self-resetting connecting structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body according to claim 1, wherein the supporting cylinder body is formed by splicing a first cylinder body and a second cylinder body which are symmetrical.
10. The self-resetting connection structure based on the reinforced concrete beam and the cold-formed thin-walled steel wall body as claimed in claim 1, wherein the ring spring damping member is a ring spring group.
Priority Applications (1)
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CN202011056327.2A CN114319650A (en) | 2020-09-29 | 2020-09-29 | Self-resetting connecting structure based on reinforced concrete beam and cold-formed thin-walled steel wall |
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CN202011056327.2A CN114319650A (en) | 2020-09-29 | 2020-09-29 | Self-resetting connecting structure based on reinforced concrete beam and cold-formed thin-walled steel wall |
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CN114319650A true CN114319650A (en) | 2022-04-12 |
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CN202011056327.2A Pending CN114319650A (en) | 2020-09-29 | 2020-09-29 | Self-resetting connecting structure based on reinforced concrete beam and cold-formed thin-walled steel wall |
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