CN211548176U - Viscous damping wall - Google Patents

Viscous damping wall Download PDF

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Publication number
CN211548176U
CN211548176U CN201922445043.1U CN201922445043U CN211548176U CN 211548176 U CN211548176 U CN 211548176U CN 201922445043 U CN201922445043 U CN 201922445043U CN 211548176 U CN211548176 U CN 211548176U
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China
Prior art keywords
steel plate
inner steel
damping wall
viscous damping
outer steel
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CN201922445043.1U
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Chinese (zh)
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许文武
林巧叶
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Shandong Baidun Damping Technology Co ltd
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Shandong Baidun Damping Technology Co ltd
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Abstract

The application relates to a viscous damping wall belongs to building shock attenuation technical field, and it includes: an outer steel plate; the inner steel plate, there is a airtight holding cavity between outer steel plate and the inner steel plate; the baffle plates are arranged on the inner steel plate or the outer steel plate along a direction vertical to the relative movement of the inner steel plate and the outer steel plate; the viscous fluid is arranged in the closed accommodating cavity; through the technical scheme, the contact area between the inner steel plate and the viscous fluid can be increased, and then the shearing force between the inner steel plate and the viscous fluid is increased, so that stronger energy input by an earthquake can be dissipated, and the capability of resisting damage of external forces such as the earthquake is improved.

Description

Viscous damping wall
Technical Field
The utility model relates to a building shock attenuation technical field especially relates to a viscous damping wall.
Background
The viscous damping wall is actually a box-type viscous damper, and is applied to a frame structure, and sometimes plays a role of a partition wall, so that the viscous damping wall becomes a damping wall, and the damping ratio of the frame in an elastic range reaches 20% -30%, so that the dynamic response is remarkably reduced. The viscous damping wall has the energy consumption direction which is the plane direction, and mainly comprises an inner steel plate as a piston in a viscous damper, the inner steel plate can only move in the plane, viscous fluid is filled in a container surrounded by outer steel plates, in the structure, the inner steel plate is fixed on an upper floor, the outer steel plate is fixed on a lower floor, and under the action of earthquake, the floors generate interlayer displacement so that the fluid in the viscous damping wall is sheared, and the energy input by the earthquake is dissipated, thereby achieving the shock absorption effect; however, the contact area between the inner steel plate and the viscous fluid of the conventional viscous damping wall is small, so that the shearing force between the inner steel plate and the viscous fluid is small, and further, the resistance between the viscous fluid and the inner steel plate is reduced, so that the anti-vibration effect is reduced, and in order to enable the building structure to have stronger capability of resisting the damage of external forces such as earthquakes and the like, a new viscous damping wall needs to be designed.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
The viscous damping wall can solve the problem that the shearing force between the inner steel plate and the viscous fluid is smaller due to the fact that the contact area between the inner steel plate and the viscous fluid is smaller, and the problem that the anti-vibration effect is reduced due to the fact that the shearing force is smaller is solved, so that the viscous damping wall is designed, and concretely comprises
A viscous damping wall comprising:
an outer steel plate;
the inner steel plate, there is a airtight holding cavity between outer steel plate and the inner steel plate;
the baffle plates are arranged on the inner steel plate or the outer steel plate along a direction vertical to the relative movement of the inner steel plate and the outer steel plate;
and the viscous fluid is arranged in the closed accommodating cavity.
Preferably, the baffles are arranged on two sides of the inner steel plate, and the baffles on the two sides are arranged in a staggered mode.
Preferably, the number of baffles on both sides is different.
Preferably, the number ratio of the baffles on the two sides is 1: 2.
Preferably, the method further comprises the following steps:
the viscoelastic damper is connected between the inner steel plate and the outer steel plate.
Preferably, the viscoelastic damper is connected to the bottom end surface of the inner steel plate and the inner wall of the outer steel plate.
Further preferably, the method further comprises the following steps:
the viscoelastic damper is connected between the inner steel plate and the upper beam; or the like, or, alternatively,
the viscoelastic damper is connected between the outer steel plate and the lower beam.
Preferably, a hard rubber layer is arranged on the inner wall of the outer steel plate.
Preferably, the hard rubber layer has a honeycomb structure.
Preferably, the baffle plate has a steel plate frame inside and a soft rubber layer coated outside.
By adopting the technical scheme, the utility model can increase the contact area between the inner steel plate and the viscous fluid, further increase the shearing force between the inner steel plate and the viscous fluid, so that stronger energy can be input in earthquake, and the capability of resisting the damage of external force such as earthquake is improved; in addition, this application still forms two-stage buffering vibrations structure through setting up the viscoelastic damper, with viscous damping wall cooperation, and the ability of the destruction of external force such as bigger degree resistance earthquake improves the shock attenuation effect.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural diagram of interlayer displacement between an upper beam and a lower beam after an earthquake;
FIG. 5 is a schematic structural diagram of one embodiment;
fig. 6 is a schematic structural diagram of another embodiment.
In the figure, 1, a lower beam, 2, a viscoelastic damper, 201, a steel plate, 202, a viscoelastic material layer, 3, a hard rubber layer, 4, a baffle plate, 401, a steel plate framework, 402, a soft rubber layer, 5, a closed accommodating cavity, 6, an upper beam, 7, an outer steel plate, 8, viscous fluid, 9 and an inner steel plate.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application.
As shown in fig. 1 to 6, a viscous damping wall comprises an outer steel plate 7 and an inner steel plate 9, wherein the inner steel plate 9 is arranged in the outer steel plate 7 and further penetrates through the outer steel plate 7, a sealed accommodating cavity 5 is arranged between the inner steel plate 9 and the outer steel plate 7, and viscous fluid 8 is contained in the sealed accommodating cavity 5, in this embodiment, a plurality of baffles 4 are arranged on the inner steel plate 9 in a direction perpendicular to the direction in which the inner steel plate 9 and the outer steel plate 7 move relative to each other, so that when the lower beam 1 and the upper beam 6 generate interlayer displacement under the action of an earthquake, the inner steel plate 9 and the baffles 4 shear the viscous fluid 8 at the same time, and generate shearing force with greater strength with the viscous fluid 8, so that stronger energy input by the earthquake can be dissipated, and the capacity of resisting damage of external forces such as the earthquake is improved.
Or, in an alternative embodiment, the baffle 4 may be disposed on the inner surface of the outer steel plate 7, and similarly, the baffle 4 is disposed along a direction perpendicular to the direction in which the inner steel plate 9 and the outer steel plate 7 move relatively, and the perpendicular disposition can maximize the contact area between the baffle 4 and the viscous fluid 8, increase the viscous damping, increase the shearing force between the inner steel plate 9 and the viscous fluid 8, and improve the damping effect.
Further, baffle 4 sets up the both sides of steel sheet 9 including, and the crisscross setting of both sides baffle 4 can guarantee like this that a plurality of baffles 4 homoenergetic play a role, and the homoenergetic promptly can produce shear force with viscous fluid 8, increases viscous damping, avoids both sides baffle 4 to adjust setting up in the front that leads to and produce shear force with viscous fluid 8, and baffle 4 ineffectiveness's condition in the back takes place, and the fore-and-aft indicates along interior steel sheet 9 moving direction here, and the former is preceding, and the latter is the back.
Further, set up above-mentioned both sides baffle 4 quantity into different, can make the size difference of the shearing force that interior steel sheet 9 received on both sides baffle 4 like this for interior steel sheet 9 forms the rotating couple in the horizontal plane, makes when the earthquake acts on, interior steel sheet 9 not only produces displacement between the layer, still produces the moment of torsion in the horizontal plane, and the energy of earthquake input is decomposed in two directions, has weakened the power to a direction, has reduced the destructiveness of earthquake, has improved the shock attenuation effect.
Further, in order to generate a large rotational couple of the inner steel plate 9 in the horizontal plane, the ratio of the number of the side fences 4 is set to 1: 2.
Further, in this embodiment, still include viscoelastic damper 2, viscoelastic damper 2 is connected between interior steel sheet 9 and outer steel sheet 7, and like this, interior steel sheet 9 and the cooperation of viscoelastic damper 2 can form two-stage buffering shockproof structure, further improve the shock resistance, and the two-stage dissipates the energy of earthquake input, improves the shockproof effect greatly.
In this embodiment, the viscoelastic damper 2 is connected to the bottom end surface of the inner steel plate 9 and the inner wall of the outer steel plate 7, and the moving direction between the steel plate 201 and the steel plate 201 inside the viscoelastic damper 2 is the same as the moving direction of the inner steel plate 9, when an earthquake occurs, the lower beam 1 moves, the energy input by the earthquake causes the inner steel plate 9 and the baffle 4 to shear the viscous fluid 8, at this time, the inner steel plate 9 is subjected to not only the shearing force of the viscous fluid 8, but also the reciprocating shearing deformation generated by the viscoelastic material layer 202 on the viscoelastic damper 2, the shearing force in both aspects increases the energy input by the earthquake to be dissipated, and the anti-damage capability is effectively improved.
In one embodiment, as shown in fig. 5, the viscoelastic damper 2 may be further connected between the inner steel plate 9 and the upper beam 6, such that when an earthquake occurs, the lower beam 1 moves, the energy input by the earthquake causes the inner steel plate 9 and the baffle 4 to shear the viscous fluid 8, the shearing force can weaken a portion of the energy input by the earthquake, and then the inner steel plate 9 further drives the steel plate 201 on the viscoelastic damper 2 and the steel plate 201 to move relatively, so that the viscoelastic material layer 202 undergoes reciprocating shear deformation, thereby weakening a portion of the energy input by the earthquake again, such that the energy input from the lower beam 1 to the upper beam 6 is weakened continuously, and finally, the interlayer displacement between the upper beam 6 and the lower beam 1 is reduced, and the anti-seismic effect is improved.
Or, as shown in fig. 6, in an alternative embodiment, the viscoelastic damper 2 is connected between the outer steel plate 7 and the underbeam 1, when an earthquake occurs, the underbeam 1 moves, energy input by the earthquake causes relative motion between the steel plate 201 and the steel plate 201 of the viscoelastic damper 2, so that the viscoelastic material layer 202 undergoes reciprocating shear deformation, thereby weakening a part of the energy input by the earthquake, and then the steel plate 201 on the viscoelastic damper 2 drives the outer steel plate 7 to move, so that the outer steel plate 7 and the inner steel plate 9 move relatively, the inner steel plate 9 shears the viscous fluid 8, and a part of the energy input by the earthquake is weakened again, so that two-stage earthquake prevention is achieved, and the earthquake prevention effect is greatly improved.
Further, in order to increase the resistance between the outer steel plate 7 and the viscous fluid 8, the hard rubber layer 3 is arranged on the inner wall of the outer steel plate 7, the surface pores of the hard rubber layer 3 are large, and the resistance between the hard rubber layer and the viscous fluid 8 can be increased compared with the adhesion of a metal material.
Further, in order to further increase the resistance between the outer steel plate 7 and the viscous fluid 8, the hard rubber layer 3 is made of a honeycomb structure, and the hard rubber layer 3 is made of a honeycomb structure, so that the surface area of the outer steel plate 7 can be increased, the contact area between the outer steel plate 7 and the viscous fluid 8 can be increased, the resistance can be increased, and the force weakening the earthquake input can be increased.
Further, in order to improve the viscous force between the baffle 4 and the viscous fluid 8 on the premise of ensuring the strength of the baffle 4, the inner part of the baffle 4 is provided with a steel plate framework 401, the outer part of the baffle 4 is coated with a soft rubber layer 402, and the soft rubber layer 402 has high adhesive force, so that the inner steel plate 9 needs to consume more energy input by an earthquake when shearing the viscous fluid 8, and the shock resistance is enhanced.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. A viscous damping wall, comprising:
an outer steel plate;
the inner steel plate, there is a airtight holding chamber between said outer steel plate and said inner steel plate;
the baffles are arranged on the inner steel plate or the outer steel plate along a direction vertical to the relative movement direction of the inner steel plate and the outer steel plate;
and the viscous fluid is arranged in the closed accommodating cavity.
2. The viscous damping wall of claim 1, wherein the baffles are disposed on both sides of the inner steel plate, and the baffles on both sides are staggered.
3. The viscous damping wall of claim 2, wherein the number of baffles on each side is different.
4. A viscous damping wall as claimed in claim 3, wherein the ratio of the number of baffles on either side is 1: 2.
5. The viscous damping wall of claim 1, further comprising:
a viscoelastic damper connected between the inner steel plate and the outer steel plate.
6. The viscous damping wall of claim 5, wherein the viscoelastic damper is connected between the bottom end surface of the inner steel plate and the inner wall of the outer steel plate.
7. The viscous damping wall of claim 1, further comprising:
the viscoelastic damper is connected between the inner steel plate and the upper beam; or the like, or, alternatively,
the viscoelastic damper is connected between the outer steel plate and the lower beam.
8. The viscous damping wall of claim 1, wherein the inner wall of the outer steel plate is provided with a hard rubber layer.
9. The viscous damping wall of claim 8, wherein the solid rubber layer is a honeycomb structure.
10. The viscous damping wall of claim 1, wherein the baffle is internally provided with a steel plate skeleton and externally coated with a soft rubber layer.
CN201922445043.1U 2019-12-27 2019-12-27 Viscous damping wall Active CN211548176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922445043.1U CN211548176U (en) 2019-12-27 2019-12-27 Viscous damping wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922445043.1U CN211548176U (en) 2019-12-27 2019-12-27 Viscous damping wall

Publications (1)

Publication Number Publication Date
CN211548176U true CN211548176U (en) 2020-09-22

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Family Applications (1)

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CN201922445043.1U Active CN211548176U (en) 2019-12-27 2019-12-27 Viscous damping wall

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726863A (en) * 2021-01-05 2021-04-30 常州工学院 Novel damping device for well-shaped building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726863A (en) * 2021-01-05 2021-04-30 常州工学院 Novel damping device for well-shaped building

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