CN215054221U - Novel energy dissipation wall shock-absorbing structure - Google Patents
Novel energy dissipation wall shock-absorbing structure Download PDFInfo
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- CN215054221U CN215054221U CN202120974086.3U CN202120974086U CN215054221U CN 215054221 U CN215054221 U CN 215054221U CN 202120974086 U CN202120974086 U CN 202120974086U CN 215054221 U CN215054221 U CN 215054221U
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Abstract
The utility model discloses a novel energy dissipation wall shock absorption structure, which comprises a lower shear wall and an upper shear wall which are arranged in the space between a frame beam on the layer and an upper frame beam, wherein the upper shear wall and the lower shear wall are opposite from each other at a certain distance from each other, the lower shear wall is connected with the lower frame beam, and the upper shear wall is connected with the upper frame beam; an energy dissipation key is arranged between the upper shear wall and the lower shear wall, and the upper end and the lower end of the energy dissipation key are respectively connected and fixed with the upper shear wall and the lower shear wall. The utility model has the advantages that the shear walls which are opposite up and down are arranged, and the energy dissipation key is arranged between the shear walls, so that the utility model has good hysteretic performance, can effectively dissipate earthquake energy, and reduces earthquake response; the energy dissipation wall gives priority to yield and energy dissipation under the action of a large earthquake, so that main structural members are effectively protected, and the earthquake resistance of the structure is improved; the plane arrangement is flexible, and the building space adaptability is large; the key components are convenient to install and replace, and the installation and post-earthquake maintenance cost is saved.
Description
Technical Field
The utility model relates to a building design technical field especially relates to an energy dissipation shock-absorbing structure for building field.
Background
In the building field, in order to achieve good earthquake-proof performance, an energy dissipation and shock absorption structure is usually designed in the building, especially in the field of high-rise and super high-rise buildings. The traditional structural earthquake-resistant design is mainly used for resisting earthquake action according to the strength, rigidity and ductility of a structure, and a large number of earthquake cases show that after a large earthquake, a structural body is damaged and destroyed to a certain degree, and serious people can have irrecoverable results. The energy dissipation device adopted by the structural energy dissipation and shock absorption design can be composed of energy dissipaters, bracing, walls, beams and other supporting members, the current common displacement-related energy dissipaters are divided into a shear yielding type and an axial yielding type according to the yielding form, and due to the structural particularity, the current common energy dissipaters are high in manufacturing cost, so that the application of the structural energy dissipation and shock absorption technology is limited to a certain extent. Therefore, a new 'engineering structure damping control' system is generated, and a plurality of control devices are arranged in the structure, and when the earthquake acts, the control devices passively or actively apply a group of control forces to slow down the structure vibration and reduce the structure deformation. The energy dissipation and shock absorption technology is characterized in that a passive energy dissipation device is arranged in a structure, so that earthquake energy consumed by structural components is consumed, the deformation and damage of the structure are reduced, a main bearing component is protected, and an energy dissipation wall is a common form. The existing energy dissipation wall mainly comprises an inner steel plate, an outer steel plate, a damping material between the inner steel plate and the outer steel plate and the like, and when an earthquake occurs, the inner steel plate and the outer steel plate move relatively to each other, so that the damping material between the steel plates dissipates earthquake energy, and the purposes of energy dissipation and shock absorption are achieved. However, the existing energy dissipation wall has the defects of complex structure, high manufacturing cost, complicated construction and installation and poor adaptability to building space.
SUMMERY OF THE UTILITY MODEL
The invention aims to solve the technical problem of the prior art and provides a novel energy dissipation wall damping structure which is simple in structure, convenient to construct and install, good in anti-seismic effect, low in manufacturing cost, flexible in planar arrangement and good in building space adaptability.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a novel energy dissipation wall shock-absorbing structure which characterized in that: a lower shear wall and an upper shear wall are respectively arranged in a space between the frame beam and the upper frame beam, the upper shear wall and the lower shear wall are vertically opposite and are spaced at a certain distance, the lower shear wall and the lower frame beam are fixedly connected, and the upper shear wall and the upper frame beam are fixedly connected; an energy dissipation key is arranged between the upper shear wall and the lower shear wall, and the upper end and the lower end of the energy dissipation key are respectively connected and fixed with the upper shear wall and the lower shear wall.
Preferably, the lower shear wall and the top surface of the frame beam of the layer form a tight connection structure through integral pouring during construction; and the upper shear wall and the bottom surface of the upper-layer frame beam form a tight connection structure through integral pouring during construction.
Preferably, the upper end and the lower end of the energy dissipation key are respectively connected and fixed with the bottom end of the upper shear wall and the top end of the lower shear wall through bolts.
Preferably, BLY160 mild steel is adopted as the energy dissipation steel plates of the energy dissipation keys, the yield force of each energy dissipation key is not lower than 600kN, and the limit force is not lower than 1200 kN.
Preferably, the upper shear wall and the lower shear wall have the same size, are both walls made of C35 reinforced concrete, have the thickness of 400mm, the length of 1500mm and the height of 1400mm, and have the distance of 500mm between the upper shear wall and the lower shear wall.
Furthermore, connecting steel plates are respectively embedded in the upper shear wall and the lower shear wall, and the connecting steel plates are respectively connected with the upper-layer frame beam and the local-layer frame beam.
And the two ends of the frame beam of the layer and the two ends of the frame beam of the upper layer are respectively connected with the upright frame columns.
Preferably, the bending bearing capacity of the lower shear wall and the upper shear wall is not less than 2666kN.m, and the shearing bearing capacity is not less than 2690 kN.
The utility model discloses a relative shear force wall about setting up installs the energy dissipation key between the shear force wall to have following advantage: 1) the hysteresis performance is good, the seismic energy can be effectively dissipated, and the seismic response is reduced; 2) the energy dissipation wall gives priority to yielding energy dissipation under the action of a large earthquake, and plays a role of an energy dissipation valve, so that main structural members are effectively protected, and the earthquake resistance of the structure is improved; 3) the energy dissipation wall is flexible in plane arrangement and large in building space adaptability; 4) key components in the energy dissipation wall are convenient to install and replace, and the installation and post-earthquake maintenance cost is greatly saved;
5) low cost and is beneficial to large-scale popularization and application.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the vertical arrangement of the present invention (two energy dissipation keys are separated);
fig. 3 is a schematic view of the arrangement of the vertical surface of another embodiment of the present invention (two energy dissipation keys are closed together);
FIG. 4 is a comparison of elastic-plastic displacement curves before and after X-direction improvement under the action of natural wave 1X main direction (A is floor displacement, B is floor displacement angle).
In the figure, 1 is the frame beam of the present layer, 2 is the upper layer frame beam, 3 is the lower shear wall, 4 is the frame column, 5 is the upper shear wall, 6 is the energy dissipation key.
Detailed Description
In this embodiment, referring to fig. 1, fig. 2, and fig. 3, the novel energy dissipation wall shock absorption structure includes a lower shear wall 3 and an upper shear wall 5 respectively disposed in a space between a frame beam 1 on the present floor and a frame beam 2 on the upper floor, where the upper shear wall 5 is opposite to the lower shear wall 3 in the up-down direction and is spaced apart from the lower shear wall 3 by a distance, the lower shear wall 3 is fixedly connected to the lower frame beam 1, and the upper shear wall 5 is fixedly connected to the upper frame beam 2; an energy dissipation key 6 (with the model of RT-600) is arranged between the upper shear wall 5 and the lower shear wall 3, and the upper end and the lower end of the energy dissipation key 6 are respectively connected and fixed with the upper shear wall 5 and the lower shear wall 3.
The lower shear wall 3 and the top surface of the frame beam 1 at the layer are integrally cast to form a tight connection structure during construction; the upper shear wall 5 and the bottom surface of the upper-layer frame beam 2 form a tight connection structure through integral pouring during construction.
And the upper end and the lower end of the energy dissipation key 6 are respectively connected and fixed with the bottom end of the upper shear wall 5 and the top end of the lower shear wall 3 through bolts.
The energy dissipation steel plate of the energy dissipation 6 key is made of BLY160 mild steel, the yield force of each energy dissipation key 6 is not lower than 600kN, the limit force is not lower than 1200kN, and one energy dissipation steel plate can be used independently or more than two energy dissipation steel plates can be used in a combined mode.
The main mechanical parameters of the RT-600 energy dissipation bond are as follows:
the upper shear wall 5 and the lower shear wall 3 are the same in size, are both walls made of reinforced concrete with the C35 standard, are 400mm thick, 1500mm long and 1400mm high, and have a distance of 500mm between the upper shear wall 5 and the lower shear wall 3.
Connecting steel plates are respectively embedded in the upper shear wall 5 and the lower shear wall 3, and the connecting steel plates are respectively connected with the upper-layer frame beam 2 and the local-layer frame beam 1.
Wherein, the two ends of the frame beam 1 and the upper frame beam 2 are respectively connected with the upright frame column 4.
The bending bearing capacity of the lower shear wall 3 and the upper shear wall 5 is not less than 2666kN.m, and the shearing bearing capacity is not less than 2690 kN.
The high-area floors greatly contribute to bending deformation (geometric deformation), the energy dissipation wall is difficult to play a good energy dissipation effect in a relative middle area of the area through stress mechanism analysis, and the efficiency is low. The design is used for reducing the fixed point displacement of the structure under the major earthquake in the X direction of the high region by arranging 4 energy dissipation walls on each layer, and the lateral rigidity and the deformability of the structure under the major earthquake are improved. As shown in fig. 4, under the action of natural wave 1, the X-direction displacement angle of the high region of the elastoplastic model is obviously reduced (from 1/119 to 1/149) after the modification, and the energy dissipation wall effectively limits the adverse effect of high vibration type response on the structure, and the necessity of arranging a certain amount of energy dissipation wall in the high region of the structure is also proved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. The utility model provides a novel energy dissipation wall shock-absorbing structure which characterized in that: a lower shear wall and an upper shear wall are respectively arranged in a space between the frame beam and the upper frame beam, the upper shear wall and the lower shear wall are vertically opposite and are spaced at a certain distance, the lower shear wall and the lower frame beam are fixedly connected, and the upper shear wall and the upper frame beam are fixedly connected; an energy dissipation key is arranged between the upper shear wall and the lower shear wall, and the upper end and the lower end of the energy dissipation key are respectively connected and fixed with the upper shear wall and the lower shear wall.
2. The novel energy dissipating wall shock absorbing structure of claim 1, wherein: the lower shear wall and the top surface of the frame beam of the layer are integrally cast to form a tight connection structure; and the upper shear wall and the bottom surface of the upper-layer frame beam are integrally cast to form a tight connection structure.
3. The novel energy dissipating wall shock absorbing structure of claim 1, wherein: and the upper end and the lower end of the energy dissipation key are respectively connected and fixed with the bottom end of the upper shear wall and the top end of the lower shear wall through bolts.
4. The novel energy dissipating wall shock absorbing structure of claim 1, wherein: the energy dissipation steel plate of the energy dissipation key is made of BLY160 mild steel, the yield force of each energy dissipation key is not lower than 600kN, and the limit force is not lower than 1200 kN.
5. The novel energy dissipating wall shock absorbing structure of claim 1, wherein: the upper shear wall and the lower shear wall are the same in size, are both walls made of C35 reinforced concrete, are 400mm in thickness, 1500mm in length and 1400mm in height, and are 500mm apart from each other.
6. The novel energy dissipating wall shock absorbing structure of claim 1, wherein: connecting steel plates are respectively embedded in the upper shear wall and the lower shear wall, and the connecting steel plates are respectively connected with the upper-layer frame beam and the local-layer frame beam.
7. The novel energy dissipating wall shock absorbing structure of claim 1, wherein: the two ends of the upper frame beam and the frame beam are respectively connected with the upright frame columns.
8. The novel energy dissipating wall shock absorbing structure of claim 5, wherein: the bending bearing capacity of the lower shear wall and the upper shear wall is not less than 2666kN.m, and the shearing bearing capacity is not less than 2690 kN.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120974086.3U CN215054221U (en) | 2021-05-08 | 2021-05-08 | Novel energy dissipation wall shock-absorbing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120974086.3U CN215054221U (en) | 2021-05-08 | 2021-05-08 | Novel energy dissipation wall shock-absorbing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165093A (en) * | 2021-12-31 | 2022-03-11 | 中铁二十局集团有限公司 | Assembled shock-absorbing structure and shear wall capable of restoring functions |
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- 2021-05-08 CN CN202120974086.3U patent/CN215054221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165093A (en) * | 2021-12-31 | 2022-03-11 | 中铁二十局集团有限公司 | Assembled shock-absorbing structure and shear wall capable of restoring functions |
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