CN215442496U - Damper, beam column and combined frame damping wall - Google Patents
Damper, beam column and combined frame damping wall Download PDFInfo
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- CN215442496U CN215442496U CN202121679084.8U CN202121679084U CN215442496U CN 215442496 U CN215442496 U CN 215442496U CN 202121679084 U CN202121679084 U CN 202121679084U CN 215442496 U CN215442496 U CN 215442496U
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- 239000004567 concrete Substances 0.000 claims description 5
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Abstract
The utility model provides a damper, a beam column and a combined frame damping wall, wherein the combined frame damping wall comprises a wall frame, the wall frame comprises a first column, a second column and the beam column as claimed, the first column and the second column are oppositely arranged and are used for being arranged on a bottom beam, two ends of the beam column are respectively and fixedly connected with the first column and the second column, and the first column, the second column, the beam column and the bottom beam are enclosed to form a third installation cavity; a longitudinal damping plate is arranged in the third mounting cavity and is respectively connected with the beam column and the bottom beam; the rigidity of the first column, the second column, the damper and the longitudinal damping plate is reduced in sequence, friction energy consumption is increased on the basis of metal energy consumption, large transverse wave seismic energy can be consumed through various forms, the energy consumption effect is good, and the seismic performance and the overall safety performance of the damper are improved.
Description
Technical Field
The utility model belongs to the field of civil engineering technology and shock absorption, and particularly relates to a damper, a beam column and a combined frame damping wall.
Background
The metal damper adopts the metal energy consumption plate, and has the characteristics of simple structure, clear energy consumption mechanism, good durability, low price, convenient replacement and installation and the like, and is widely applied to the consumption of earthquake energy, but the existing metal damper generally has the characteristics of low plane rigidity and easy local buckling, so that under the action of stronger transverse wave earthquake load, the metal energy consumption plate is singly buckled to consume energy and cannot have larger earthquake load action, and the earthquake resistance performance and the integral safety of the structure can be influenced in serious cases.
The traditional building wall mainly absorbs earthquake energy by the deformation of the structure, and a plurality of main components are difficult to repair after being damaged. With the continuous progress of earthquake-proof theory, technology and method and the development and application of more high-performance materials, people have higher and higher requirements on the earthquake-proof performance of the structure, the structural earthquake-proof is gradually changed from collapse-resistant design to repairable functional design, so that the loss of the whole society is reduced to the minimum after an earthquake, more and more high-rise and super high-rise buildings are provided, the earthquake-proof requirements on building walls are improved, and particularly, the buildings with stronger transverse waves in earthquake areas are provided.
At present, a common frame structure building wall is mainly formed by enclosing a column body, a cross beam and a bottom beam to form a closed frame, and reinforced concrete is filled in the closed frame, so that the combined frame structure building wall has small overall rigidity in resisting transverse wave disasters of earthquakes, and the damage under the action of strong earthquakes is mainly represented by tearing damage of beam-column welding joints, failure of plastic hinges formed by column feet of steel columns and pulling damage of non-embedded column feet, and in the presence of earthquake disasters of different grades, specific parts which are actually damaged are difficult to predict and control, so that the overall damage of the frame structure building wall is caused, and the quick repair work after the earthquakes is seriously influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a damping wall, a beam column and a combined frame damping wall, and solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a damper comprises an energy consumption frame, wherein a first installation cavity is formed in the energy consumption frame, the damper further comprises a friction energy consumption assembly, the friction energy consumption assembly is arranged in the first installation cavity and comprises a first plate, at least one second plate and a third plate, and the second plates are arranged on the same side of the first plate and fixedly connected with the first plate; the third plate is provided with at least one mounting hole, and the third plate is inserted into the second plate through the mounting hole.
A plurality of first through holes are formed in two opposite side walls of the energy dissipation frame.
The first plate is fixedly connected with the periphery of the energy consumption frame, and the third plate is abutted against the periphery of the energy consumption frame.
The second plate adopts a damping plate.
The beam column comprises the damper, at least one mounting space is reserved in the beam column, the damper is arranged in the mounting space along the length direction of the beam column, and the length direction of the second plate is the same as the length direction of the beam column.
A combined frame damping wall comprises a wall frame, wherein the wall frame comprises a first column, a second column and the beam column as claimed in the claim, the first column and the second column are arranged oppositely and are used for being arranged on a bottom beam, two ends of the beam column are respectively and fixedly connected with the first column and the second column, and the first column, the second column, the beam column and the bottom beam are enclosed to form a third installation cavity; a longitudinal damping plate is arranged in the third mounting cavity and is respectively connected with the beam column and the bottom beam; the rigidity of the first column, the second column, the damper and the longitudinal damping plate is reduced in sequence.
And a plurality of second through holes are formed in the longitudinal damping plate.
The vertical damping plate is close to the two sides of the first column and the second column, gaps are formed between the vertical damping plate and the two sides of the second column, and the length of one side, connected with the bottom beam, of the vertical damping plate is larger than that of one side, connected with the beam column, of the vertical damping plate.
The first column and the second column are formed by pouring concrete on the I-shaped corrugated web.
The base beam is provided with a base plate, and the first column and the second column are arranged on the base plate.
Compared with the prior art, the utility model has the following technical effects:
when the damper is applied to a beam column of a building and welded with the beam column, the second plate is arranged in the same direction as the transmission direction of transverse waves, the damper is subjected to an earthquake load in the same direction as the beam column, when the damper is subjected to the transverse wave earthquake load in the horizontal direction, firstly, an energy consumption frame is subjected to a force in the same direction as the earthquake load, the earthquake load is transmitted to a friction energy consumption assembly through the energy consumption frame while the energy consumption of the energy consumption frame is carried out, the friction energy consumption assembly shakes left and right under the influence of the transverse waves, and the third plate is subjected to friction along the length direction of the second plate to consume energy; the damper provided by the utility model has the advantages that friction energy consumption is increased on the basis of metal energy consumption, larger transverse wave seismic energy can be consumed through various forms, the energy consumption effect is good, and the seismic performance and the overall safety performance of the damper are improved.
(II) according to the combined frame damping wall, the bottom beam is arranged on the foundation, seismic waves penetrate through the foundation and drive the building to sway left and right under the action of transverse seismic waves, the rigidity of the first column, the second column, the damper and the longitudinal damping plate is sequentially reduced, so that when the combined frame damping wall faces seismic loads, the seismic damage is firstly concentrated on the longitudinal damping plate, and after the longitudinal damping plate is concentrated and loses energy, the action of the seismic loads is transferred to the damper of the beam column; the damping plate and the damper are replaced when the earthquake occurs; the characteristic of the shock resistance and gradient earthquake damage resistance of the giant earthquake collapse-proof structure is that when a transverse wave passes through a building, the transverse wave firstly passes through a first column or a second column and then passes through a damping plate and a beam column, when the transverse wave passes through the first column or the second column, the first column or the second column is subjected to horizontal load, the deformation is very small due to the strongest rigidity of the first column or the second column, the transverse wave is transmitted to a longitudinal damping plate and the beam column, and the longitudinal damping plate is subjected to the horizontal load, wherein the longitudinal damping plate plays an accordion effect and consumes energy in a deformation mode, when the transverse wave passes through the beam column, the beam column is subjected to the horizontal load, and the energy is consumed through a damper arranged on the beam column; the combined frame damping of the utility model can prevent the frame structure from being damaged by earthquake on the premise of wall gradient energy consumption, can realize quick disassembly and replacement of the longitudinal damping plate and the damper, and can quickly repair and use the function after the earthquake damage.
Drawings
FIG. 1 is an exploded view of the damper of the present invention;
FIG. 2 is a schematic structural diagram of a combined frame damping wall according to the present invention;
FIG. 3 is a schematic structural diagram of a combined frame damping wall according to the present invention;
FIG. 4 is a schematic structural diagram of a combined frame damping wall according to the present invention;
FIG. 5 is a schematic view of the mounting structure of the longitudinal damping plate and the first column of the present invention;
FIG. 6 is a schematic diagram of the structure of the first and second pillars of the present invention;
FIG. 7 is a schematic structural view of a second mounting cavity and a third mounting cavity of the present invention;
fig. 8 is a schematic view showing a mounting structure of the damper of the present invention on a beam column.
The meaning of the individual reference symbols in the figures is:
1-energy dissipation frame, 2-first installation cavity, 3-first plate, 4-second plate, 5-third plate, 6-installation hole, 7-first through hole, 8-beam column, 9-installation space, 10-first column, 11-second column, 12-bottom beam, 13-third installation cavity, 14-longitudinal damping plate, 15-second through hole, 16-gap, 17-base plate, 18-clamping groove, 19-screw hole and 20-I-shaped corrugated web plate.
The present invention will be explained in further detail with reference to examples.
Detailed Description
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
As used herein, directional terms such as "transverse," "horizontal," "vertical," and "length" are intended to correspond to a particular direction on the page in the drawings and/or to a corresponding direction in space in the drawings.
Example 1:
a damper, as shown in fig. 1, includes an energy consumption frame 1, and a first installation cavity 2 is arranged in the energy consumption frame 1, and is characterized in that the damper further includes a friction energy consumption assembly, the friction energy consumption assembly is arranged in the first installation cavity 2, the friction energy consumption assembly includes a first plate 3, at least one second plate 4 and a third plate 5, the second plates 4 are both arranged on the same side of the first plate 3, and are fixedly connected to the first plate 3; at least one mounting hole 6 is formed in the third plate 5, and the third plate 5 is inserted into the second plate 4 through the mounting hole 6.
The damper of the embodiment is applied to a beam column 8 of a building and welded with the beam column 8, the second plate 4 is arranged in the same direction as the transverse wave transmission direction, the damper is subjected to an earthquake load in the same direction as the beam column 8, when the transverse wave earthquake load in the horizontal direction is received, firstly, the energy dissipation frame 1 is subjected to the earthquake load in the same direction as the earthquake load, the earthquake load is transmitted to the friction energy dissipation assembly while the energy dissipation frame 1 dissipates energy, and the friction energy dissipation assembly shakes left and right under the influence of the transverse wave, so that the third plate 5 rubs along the length direction of the second plate 4 to dissipate energy; the damper provided by the utility model has the advantages that friction energy consumption is increased on the basis of metal energy consumption, larger transverse wave seismic energy can be consumed through various forms, the energy consumption effect is good, and the seismic performance and the overall safety performance of the damper are improved.
As a preferable solution of this embodiment, a plurality of first through holes 7 are disposed on two opposite sidewalls of the energy dissipation frame 1.
The first through holes 7 are arranged to enhance deformation energy consumption of the energy consumption frame 1 and enhance energy consumption strength of the energy consumption frame 1, and in this embodiment, the energy consumption frame 1 is made of steel with a yield point of Q345 MPa.
As a preferable scheme of this embodiment, the peripheries of the first plate 3 and the energy consumption frame 1 are all fixedly connected, and the peripheries of the third plate 5 and the energy consumption frame 1 are all abutted.
The first plate 3 and the energy consumption frame 1 are fixedly connected at the periphery to strengthen the connection strength of the first plate 3 and the energy consumption frame 1, the overall stability of the damper is improved, the third plate 5 and the energy consumption frame 1 are abutted at the periphery to ensure that the third plate 5 can perform friction motion along the length direction of the second plate 4 under the action of earthquake transverse waves, and the purpose of friction energy consumption is achieved.
As a preferable solution of this embodiment, the second plate 4 is a damping plate.
The damping plate can enhance the energy consumption strength, and in the embodiment, the first plate 3 and the third plate 5 are made of steel with a yield point of Q345 MPa; the second plate 4 is made of Q235MPa steel with lower strength.
Example 2:
a beam column, as shown in fig. 7 and 8, includes the damper of embodiment 1, at least one installation space 9 is reserved on the beam column 8, and the damper is arranged on the installation space 9 along the length direction of the beam column 8.
The beam column of this embodiment, through having set up the attenuator and can consume seismic energy through the attenuator when meetting seismic load, the protection beam column is not damaged.
The damper in this embodiment is disposed in the installation space 9, specifically, as shown in fig. 8, the energy dissipation frame 1 of the damper is disposed in the installation space 9, the first plate 3 and the energy dissipation frame 1 on one side of the energy dissipation frame 1 are both abutted to the beam column 8, and after the energy dissipation frame 1 on the other side is abutted to the beam column 8, both sides of the energy dissipation frame 1 are welded to the beam column 8 by electric welding to achieve the fixed connection between the damper and the beam column 8 in this embodiment, wherein the length direction of the second plate 4 is set to be the same as the length direction of the beam column 8, and when the beam column 8 is shaken from left to right by an earthquake load, the second plate 4 can rub and dissipate energy on the third plate 5 along the length direction thereof.
Example 3:
a combined frame damping wall, as shown in fig. 1 to 8, comprising a wall frame, wherein the wall frame comprises a first column 10, a second column 11 and a beam column 8 according to claim 5, the first column 10 and the second column 11 are arranged opposite to each other and are used for being arranged on a bottom beam 12, two ends of the beam column 8 are respectively fixedly connected with the first column 10 and the second column 11, and the first column 10, the second column 11, the beam column 8 and the bottom beam 12 enclose to form a third installation cavity 13; a longitudinal damping plate 14 is arranged in the third mounting cavity 13, and the longitudinal damping plate 14 is respectively connected with the beam column 8 and the bottom beam 12; the stiffness of the first column 10 and the second column 11, the damper, and the longitudinal damping plate 14 decreases in this order.
According to the combined frame damping wall, the bottom beam 12 is arranged on the foundation, seismic waves penetrate through the foundation and drive the building to sway left and right under the action of transverse seismic waves, the rigidity of the first column 10, the second column 11, the damper and the longitudinal damping plate 14 is sequentially reduced, so that when the combined frame damping wall faces seismic loads, seismic damage can be firstly concentrated on the longitudinal damping plate 14, after the longitudinal damping plate 14 is concentrated and loses energy, the action of the seismic loads is transferred to the damper of the beam column 8, and the structure of the two earthquake disaster division preventing lines can accurately concentrate the damage of the seismic loads on the longitudinal damping plate 14 and the damper, protect the first column 10, the second column 11 and the beam column 8 from being damaged, has the advantages of' small earthquake damage resistance, medium earthquake gradient energy dissipation and replaceable longitudinal damping plate 14 division; the longitudinal damping plate 14 and the damper are replaced by the heavy shock; the major earthquake does not collapse ' and the characteristic of gradient earthquake damage resistance, specifically, when a transverse wave passes through a building, the transverse wave firstly passes through a first column 10 or a second column 11 and then passes through a longitudinal damping plate 14 and a beam column 8, when the transverse wave passes through the first column 10 or the second column 11, the first column 10 or the second column 11 is subjected to horizontal load, as the first column 10 or the second column 11 has the strongest rigidity, deformation energy consumption cannot be generated, the transverse wave is transmitted to the longitudinal damping plate 14 and the beam column 8, and the longitudinal damping plate 14 is subjected to the horizontal load, wherein the longitudinal damping plate 14 exerts ' accordion effect ' and deformation energy consumption, when the transverse wave passes through the beam column 8, the beam column 8 is subjected to the horizontal load, and energy consumption is performed through a damper arranged on the beam column 8; the combined frame damping of the utility model can prevent the frame structure from being damaged by earthquake on the premise of wall gradient energy consumption, can realize quick disassembly and replacement of the longitudinal damping plate and the damper, and can quickly repair and use the function after the earthquake damage.
The stiffness in this embodiment is related to the yield point of the material, the higher the yield point, the stronger the corresponding stiffness.
In this embodiment, the longitudinal damping plates 14 each include two corrugated steel plates, and a half-height lead sandwich rubber pad is filled in the middle.
Wherein, half high lead core intermediate layer rubber pad and corrugated steel plate atress jointly have sufficient sliding capacity under satisfying the bearing capacity requirement, and the combined action realizes multi-directional power consumption with corrugated steel plate, realizes vertical damping plate 6 and the high-efficient antidetonation power consumption of horizontal damping plate 7, and the yield point of corrugated steel plate is Q235MPa in this embodiment.
As a preferable solution of this embodiment, a plurality of second through holes 15 are provided on the longitudinal damping plate 14.
The second through holes 15 are arranged to enhance the deformation energy consumption of the longitudinal damping plate 14, weaken the rigidity of the longitudinal damping plate 14, enable the energy consumption deformation to occur more easily, and further enhance the purpose of grading energy consumption.
As a preferable solution of this embodiment, gaps 16 are provided on two sides of the vertical damping plate 14 close to the first column 10 and the second column 11, and a length of a side of the vertical damping plate 14 connected to the bottom beam 12 is greater than a length of a side of the vertical damping plate 14 connected to the beam column 8.
Wherein, the purpose that sets up space 16 is to avoid vertical damping plate 14 tensile force area to produce adverse effect to first post 10 and second post 11 when the power consumption destroys, and saves steel, and stability is stronger, has further strengthened hierarchical power consumption's purpose, set up to damping plate 14 with one side length that floorbar 12 is connected is greater than one side that vertical damping plate 14 and beam column 8 are connected can strengthen the installation stability of vertical damping plate 14 in third installation cavity 13, promotes the overall stability of combination frame damping wall.
As a preferable solution of this embodiment, the first column 1 and the second column 2 are formed by casting concrete on an i-shaped corrugated web 31.
The first column 10 and the second column 12 are formed by pouring concrete on the I-shaped corrugated web plate and are called PEC columns, the PEC columns are high in bearing capacity and good in anti-seismic performance relative to common reinforced concrete columns, and early cracking of the concrete can be restrained to a certain extent by adding I-shaped steel. After further improvement, the problem that a flat web is easy to bend out of a plane when the PEC column is pressed can be effectively solved by adopting the corrugated steel web, the steel consumption is reduced, the bending rigidity and the torsional rigidity of the cross section are increased, and the overall stability of the component is improved.
As shown in fig. 5, the first column 10 and the second column 11 are respectively provided with a clamping groove 18, the longitudinal damping plate 14 is respectively fixedly connected with the first column 10 and the second column 11 through the clamping groove 18, the longitudinal damping plate 14 is provided with a screw hole 19 at a position corresponding to the clamping groove 18, the connection between the longitudinal damping plate 14 and the first column 10 and the second column 11 is strengthened through bolts, and the longitudinal damping plate 14 is convenient to detach and replace when being damaged after an earthquake.
As a preferable solution of this embodiment, a backing plate 17 is disposed on the bottom beam 12, and the first column 10 and the second column 11 are disposed on the backing plate 17.
Wherein the purpose of the setting of the backing plate 17 is: the connection between the wall frame and the bottom beam 12 is realized, and the assembly is convenient.
The application of the damper in embodiment 1 and the beam column in embodiment 2 to the combined frame damping wall structure in this embodiment includes the following steps:
the combined frame damping wall is arranged on a foundation, a building is built on the basis of the embodiment, and when the building is in a cross slope earthquake environment;
when the combined frame damping wall of the present embodiment is subjected to a transverse wave: firstly, the transverse wave passes through the first column 10 or the second column 12 and then passes through the longitudinal damping plate 14 and the beam column 8, when the transverse wave passes through the first column 10 or the second column 11, the first column 10 or the second column 11 is subjected to horizontal load, the first column 10 or the second column 11 has high strength and section rigidity and very small deformation due to the strongest yield point of the first column 10 or the second column 11, then the transverse wave is transmitted to the longitudinal damping plate 14 and the beam column 8, the longitudinal damping plate 14 bears the horizontal load, wherein the longitudinal damping plate 14 plays an accordion effect and consumes energy in deformation, when the transverse wave passes through the beam column 8, the beam column 8 bears the horizontal load, and the energy is consumed through a damper arranged on the beam column 8.
Claims (10)
1. A damper comprises an energy consumption frame (1), wherein a first installation cavity (2) is arranged in the energy consumption frame (1), and is characterized by further comprising a damper body,
the friction energy dissipation assembly is arranged in the first installation cavity (2), and comprises a first plate (3), at least one second plate (4) and a third plate (5), wherein the second plates (4) are arranged on the same side of the first plate (3) and fixedly connected with the first plate (3);
the third plate (5) is provided with at least one mounting hole (6), and the third plate (5) is inserted into the second plate (4) through the mounting hole (6).
2. Damper according to claim 1, characterized in that the dissipative frame (1) is provided with a plurality of first through holes (7) on both of the opposite side walls.
3. Damper according to claim 1, characterized in that the first plate (3) is fixedly connected to the energy dissipating frame (1) around the same and the third plate (5) abuts against the energy dissipating frame (1) around the same.
4. A damper according to claim 1, characterised in that the second plate (4) is a damping plate.
5. A beam column, characterized in that, comprising a damper according to any one of claims 1-4, at least one installation space (9) is reserved on the beam column (8), the damper is arranged on the installation space (9) along the length direction of the beam column (8), and the length direction of the second plate (4) is the same as the length direction of the beam column (8).
6. A combined frame damping wall is characterized by comprising a wall frame, wherein the wall frame comprises a first column (10), a second column (11) and a beam column (8) according to claim 5, the first column (10) and the second column (11) are arranged oppositely and are used for being arranged on a bottom beam (12), two ends of the beam column (8) are fixedly connected with the first column (10) and the second column (11) respectively, and the first column (10), the second column (11), the beam column (8) and the bottom beam (12) are enclosed to form a third installation cavity (13);
a longitudinal damping plate (14) is arranged in the third mounting cavity (13), and the longitudinal damping plate (14) is respectively connected with the beam column (8) and the bottom beam (12);
the rigidity of the first column (10), the second column (11), the damper and the longitudinal damping plate (14) is reduced in sequence.
7. A composite frame damping wall according to claim 6, characterised in that a plurality of second through holes (15) are provided in the longitudinal damping plate (14).
8. A combined frame damping wall according to claim 6, characterised in that the longitudinal damping plates (14) are provided with voids (16) near both sides of the first and second columns (10, 11), and that the longitudinal damping plates (14) are connected to the bottom beam (12) with a greater length on the side than the longitudinal damping plates (14) are connected to the beam columns (8).
9. The composite frame damping wall according to claim 6, characterized in that the first and second columns (10, 11) are formed by concrete casting on I-shaped corrugated webs.
10. A composite frame damping wall according to claim 6, characterised in that a backing plate (17) is arranged on the bottom beam (12), and the first (10) and second (11) columns are arranged on the backing plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679084.8U CN215442496U (en) | 2021-07-22 | 2021-07-22 | Damper, beam column and combined frame damping wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679084.8U CN215442496U (en) | 2021-07-22 | 2021-07-22 | Damper, beam column and combined frame damping wall |
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| Publication Number | Publication Date |
|---|---|
| CN215442496U true CN215442496U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121679084.8U Expired - Fee Related CN215442496U (en) | 2021-07-22 | 2021-07-22 | Damper, beam column and combined frame damping wall |
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| Country | Link |
|---|---|
| CN (1) | CN215442496U (en) |
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2021
- 2021-07-22 CN CN202121679084.8U patent/CN215442496U/en not_active Expired - Fee Related
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Granted publication date: 20220107 |