CN112746686A - Earthquake intelligence parting body energy dissipation shock attenuation reinforced concrete wall body - Google Patents
Earthquake intelligence parting body energy dissipation shock attenuation reinforced concrete wall body Download PDFInfo
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- CN112746686A CN112746686A CN202011624366.8A CN202011624366A CN112746686A CN 112746686 A CN112746686 A CN 112746686A CN 202011624366 A CN202011624366 A CN 202011624366A CN 112746686 A CN112746686 A CN 112746686A
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- reinforced concrete
- energy dissipation
- concrete wall
- ribs
- earthquake
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
Abstract
The invention discloses an earthquake intelligent joint body energy dissipation and shock absorption type reinforced concrete wall body which comprises a reinforced concrete wall limb and an energy dissipation damper, wherein at least one intelligent joint body is arranged on the reinforced concrete wall limb, and the intelligent joint body separates the reinforced concrete wall limb. The energy dissipation damper comprises a parting plate and energy dissipation ribs, the parting plate is arranged in the intelligent parting body and is parallel to the height direction of the reinforced concrete wall, the energy dissipation ribs are at least arranged in one row along the thickness direction of the reinforced concrete, and a plurality of energy dissipation ribs are arranged in each row along the height direction of the reinforced concrete; the energy dissipation rib vertically penetrates through the split plate, two ends of the energy dissipation rib are embedded into the reinforced concrete wall limb, and the middle section of the energy dissipation rib is set as an unbonded section; the intelligent split joint body is filled with the over-joint concrete. The structure can realize that the wall body is an integral stressed wall under the action of small earthquake, and the wall body is intelligently split under large earthquake to serve as a damper energy dissipation and shock absorption wall body, so that the reinforced concrete wall body has good stress performance under the normal use stage and the earthquake action.
Description
Technical Field
The invention relates to the field of earthquake resistance and disaster prevention of constructional engineering, in particular to an earthquake-proof intelligent parting body energy-dissipation and shock-absorption reinforced concrete wall.
Background
The reinforced concrete wall is widely applied to high-rise buildings in China as an important component for resisting earthquake. The seismic damage investigation of the past shows that when the aspect ratio of the reinforced concrete wall is less than 2, the wall is easily subjected to brittle shear failure, and the seismic energy consumption resistance of the structure is seriously influenced. In view of this, the inventor proposes to adopt a parting form to divide the reinforced concrete wall body with the aspect ratio less than 2 into a series of single components with the aspect ratio more than 2, so that the single components can be subjected to bending failure under the action of earthquake, and the energy consumption capability of the whole wall body is improved through the plastic energy consumption of the single components subjected to bending failure. However, after the reinforced concrete wall body is slotted, on one hand, the bearing capacity and rigidity of the wall body are obviously reduced in the using stage, and the bearing capacity and rigidity are seriously degraded under the action of an earthquake; on the other hand, the traditional open seam form also causes the problems of easy cracking, water resistance, high decoration difficulty and the like in the use stage of the wall seam. In addition, the energy consumption of the traditional parting wall mainly depends on the self energy consumption of the wall body of the parting shear wall, and the energy consumption capacity is limited.
Disclosure of Invention
The invention aims to provide an earthquake intelligent parting body energy dissipation and shock absorption type reinforced concrete wall, which is a seamless integral component in the normal use stage, intelligently cracks at a preset crack when an earthquake occurs, and performs structural energy dissipation and shock absorption through an energy dissipation damper in the wall, so that the reinforced concrete wall has good stress performance in the normal use stage and under the action of the earthquake.
In order to achieve the purpose, the earthquake intelligent joint body energy dissipation and shock absorption type reinforced concrete wall comprises a reinforced concrete wall limb and an energy dissipation damper, wherein at least one intelligent joint body is arranged on the reinforced concrete wall limb, and the intelligent joint body divides the reinforced concrete wall limb; the reinforced concrete is also provided with a plurality of horizontal distribution ribs and a plurality of vertical stress ribs; the horizontal distribution ribs of the reinforced concrete wall do not penetrate through the intelligent parting body; the energy dissipation damper comprises a parting plate and energy dissipation ribs, wherein the parting plate is arranged in the intelligent parting body and is arranged along the height direction of the reinforced concrete wall limb; the energy dissipation ribs are arranged in at least one row along the thickness direction of the reinforced concrete, and a plurality of energy dissipation ribs are arranged in each row along the height direction of the reinforced concrete; the energy dissipation ribs vertically penetrate through the parting plate, two ends of the energy dissipation ribs are embedded into the reinforced concrete wall limb, and the middle section of the energy dissipation ribs is set as an unbonded section; and integrally pouring concrete filled in the intelligent split joint and concrete in the reinforced concrete wall limb.
Further, the slit plate is a foam slit plate, a honeycomb slit plate or an open-cell slit plate.
Furthermore, the number of the seam separating plates is at least one, and when the number of the seam separating plates is more than two, filling materials are arranged between the seam separating plates.
Further, the filling material is one or more of polyurethane foam, rubber and rock wool.
Furthermore, the energy dissipation ribs are one or more of carbon steel, low alloy steel, low yield point steel and lead material ribs.
Furthermore, the unbonded section adopts an isolation material to wrap the energy dissipation ribs.
Further, the isolation material is a foam tape or a PVC pipe.
Further, the length of the unbonded section is more than or equal to five times of the diameter of the energy dissipation rib.
And further, reticular anti-cracking ribs are arranged at the front and the back of the overseam concrete.
Furthermore, the anti-cracking ribs are one or more of common reinforcing steel bars, stainless steel bars, carbon fiber ribs, glass fiber ribs, basalt ribs and aramid fiber ribs.
The invention has the beneficial effects that: compared with the traditional parting wall body, the earthquake intelligent parting body energy dissipation and shock absorption type reinforced concrete wall body provided by the invention can realize that the reinforced concrete wall body is an integrally stressed wall body under the action of a small earthquake, the wall body is kept not to crack, the reinforced concrete wall body cracks along the intelligent parting body under the action of a large earthquake, and then the energy dissipation damper dissipates earthquake energy, so that the safety of a main body structure is ensured, the earthquake-resistant safety of the structure is greatly improved, and different performance requirements of the structure under the normal use stage and the earthquake action are considered; compared with the traditional parting wall body, the earthquake-proof intelligent parting body energy-dissipation and shock-absorption reinforced concrete wall body provided by the invention obviously improves the earthquake-proof performance of the parting wall body through the additional energy-dissipation damper, and realizes the idea that the energy-dissipation damper is used for the first earthquake fortification of the wall body, and the bending plastic energy dissipation of the wall body is used for the multiple earthquake fortification of the second earthquake-proof fortification; and thirdly, the energy consumption damper adopting the combination of the parting plate and the energy consumption ribs can obviously improve the effective damping ratio of the reinforced concrete wall, avoid the brittle failure of the wall and reduce the seismic response of the reinforced concrete wall.
Drawings
FIG. 1 is a schematic cross-sectional view of an energy-dissipating and shock-absorbing reinforced concrete wall body of the earthquake intelligent parting body of the invention;
FIG. 2 is a schematic front view of the dissipative damper;
FIG. 3 is a schematic cross-sectional view of an earthquake intelligent joint body energy-dissipating and shock-absorbing reinforced concrete wall body provided with two intelligent joint bodies;
in the figure, 1-reinforced concrete wall limb, 11-intelligent joint body, 12-horizontal distribution rib, 13-vertical stress rib, 14-anti-cracking rib, 2-energy dissipation damper, 21-joint plate, 22-energy dissipation rib and 23-non-adhesive segment.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in figure 1, the earthquake intelligent joint body energy dissipation and shock absorption type reinforced concrete wall comprises a reinforced concrete wall limb 1 and an energy dissipation damper 2, wherein an intelligent joint body 11 is arranged on the reinforced concrete wall limb 1, and in figure 3, two intelligent joint bodies 11 are arranged in the reinforced concrete wall limb 1 and can be arranged according to the area of the wall. The intelligent split body 11 partially splits the reinforced concrete wall limb 1. Each sub-wall body of the reinforced concrete wall limb 1 is also provided with a plurality of horizontal distribution ribs 12 and a plurality of vertical stress ribs 13, and the horizontal distribution ribs 12 of the reinforced concrete wall limb 1 do not penetrate through the intelligent sub-seam body 11; the horizontal distribution ribs 12 are rectangular frame-shaped.
As shown in fig. 2, the energy-consuming damper 2 includes a slit plate 21 and energy-consuming ribs 22, wherein the slit plate 21 is disposed in the intelligent slit body 11 and arranged along the height direction of the reinforced concrete wall 1. The slit plates 21 are rectangular plates, two slit plates are arranged, filling materials are arranged between the two slit plates 21, the slit plates 21 are foam slit plates or honeycomb slit plates or open-cell slit plates, and the filling materials are one or more of polyurethane foam, rubber and rock wool. The filler material is provided primarily to make the strength of the material less than that of concrete, where it will first crack and dissipate energy in the event of an earthquake. The energy dissipation ribs 22 are arranged in two rows along the thickness direction of the reinforced concrete wall limb 1, and each row is provided with a plurality of energy dissipation ribs along the height direction of the reinforced concrete wall limb 1 to form net-shaped distribution. The energy dissipation rib 22 vertically penetrates through the split plate 21, two ends of the energy dissipation rib are embedded in the reinforced concrete wall 1, the middle section of the energy dissipation rib is provided with an unbonded section 23, and the length of the unbonded section 23 is eight times the diameter of the energy dissipation rib 22. The unbonded section 23 is formed by wrapping the energy dissipation ribs 22 with an isolation material, and the isolation material is a foam adhesive tape or a PVC pipe. Two ends of the non-adhesive section 23 are respectively embedded into the two sub-wall bodies, and the length of each embedded non-adhesive section is not less than the length of the anti-seismic anchoring. The non-adhesive section 23 allows the energy dissipating ribs 22 therein to dissipate energy therefrom during an earthquake. Concrete (also called as overseam concrete) filled in the intelligent parting body 11 and concrete in the reinforced concrete wall limb 1 are integrally poured. The thickness of the overseam concrete is not less than the thickness of the steel bar protection layer of the environment where the reinforced concrete wall 1 is located. The energy dissipation damper 2 is arranged inside the overedged concrete, so that rusting can be prevented, and the service life of the concrete is prolonged. The energy dissipation ribs 22 are one or more of carbon steel, low alloy steel, low yield point steel and lead material ribs. The front and the back of the overcast joint concrete are provided with reticular anti-cracking ribs 14. The anti-cracking ribs 14 are one or more of common reinforcing steel bars, stainless steel bars, carbon fiber ribs, glass fiber ribs, basalt ribs and aramid fiber ribs.
Through set up intelligent minute seam body 11 and energy consumption attenuator 2 in reinforced concrete wall limb 1, can realize that the reinforced concrete wall body is whole atress wall body under the effect of small earthquake, keep the wall body not ftracture, and the reinforced concrete wall body is along the fracture of intelligent minute seam body 11 position under the effect of big earthquake, and then energy consumption attenuator dissipates seismic energy, guarantees the safety of major structure, promotes the antidetonation security of structure greatly to compromise the different performance demands of structure under normal use stage and the earthquake effect.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes which can be made within the knowledge of those skilled in the art without departing from the gist of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an earthquake intelligence parting body power consumption shock attenuation reinforced concrete wall body which characterized in that: the energy-saving and energy-saving reinforced concrete wall comprises a reinforced concrete wall limb (1) and an energy-consuming damper (2), wherein at least one intelligent split body (11) is arranged on the reinforced concrete wall limb (1), and the intelligent split body (11) divides the reinforced concrete wall limb (1); a plurality of horizontal distribution ribs (12) and a plurality of vertical stress ribs (13) are also arranged in the reinforced concrete wall (1); the horizontal distribution ribs (12) of the reinforced concrete wall limb (1) do not penetrate through the intelligent split body (11); the energy dissipation damper (2) comprises a slit plate (21) and energy dissipation ribs (22), wherein the slit plate (21) is arranged in the intelligent slit body (11) and is arranged along the height direction of the reinforced concrete wall limb (1); the energy dissipation ribs (22) are arranged in at least one row along the thickness direction of the reinforced concrete wall limb (1), and a plurality of energy dissipation ribs are arranged in each row along the height direction of the reinforced concrete wall limb (1); the energy dissipation ribs (22) vertically penetrate through the parting plate (21), two ends of the energy dissipation ribs are embedded into the reinforced concrete wall limb (1), and the middle section of the energy dissipation ribs is provided with a non-adhesive section (23); and concrete filled in the intelligent split body (11) and concrete in the reinforced concrete wall limb (1) are integrally poured.
2. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: the slit plate (21) is a foam slit plate or a honeycomb slit plate or an open-cell slit plate.
3. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: the number of the slit plates (21) is at least one, and when the number of the slit plates is more than two, filling materials are arranged between the slit plates (21).
4. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 2, characterized in that: the filling material is one or more of polyurethane foam, rubber and rock wool.
5. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: the energy dissipation ribs (22) are one or more of carbon steel, low alloy steel, low yield point steel and lead material ribs.
6. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: the unbonded section (23) is made of an isolating material to wrap the energy dissipation rib (22) inside.
7. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 4, wherein: the isolation material is a foam adhesive tape or a PVC pipe.
8. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: the length of the unbonded section (23) is more than or equal to five times of the diameter of the energy dissipation rib (22).
9. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: and reticular anti-cracking ribs (14) are arranged at the front and the back of the overseam concrete.
10. The earthquake intelligence parting body energy dissipation and shock absorption reinforced concrete wall body as claimed in claim 1, characterized in that: the anti-cracking ribs (14) are one or more of common reinforcing steel bars, stainless steel bars, carbon fiber ribs, glass fiber ribs, basalt ribs and aramid fiber ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624366.8A CN112746686A (en) | 2020-12-30 | 2020-12-30 | Earthquake intelligence parting body energy dissipation shock attenuation reinforced concrete wall body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624366.8A CN112746686A (en) | 2020-12-30 | 2020-12-30 | Earthquake intelligence parting body energy dissipation shock attenuation reinforced concrete wall body |
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| CN112746686A true CN112746686A (en) | 2021-05-04 |
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| CN202011624366.8A Pending CN112746686A (en) | 2020-12-30 | 2020-12-30 | Earthquake intelligence parting body energy dissipation shock attenuation reinforced concrete wall body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023015680A1 (en) * | 2021-08-11 | 2023-02-16 | 中建科工集团有限公司 | Wallboard structure and building wall |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313988Y (en) * | 1997-04-21 | 1999-04-14 | 同济大学 | Earthquake resistant wall |
| JP2000154668A (en) * | 1998-11-20 | 2000-06-06 | Shimizu Corp | Vibration damping framework |
| CN101250908A (en) * | 2008-03-21 | 2008-08-27 | 扬州大学 | Open and close type differ-yield-point steel reinforced concrete elastic dissipation energy hinge |
| CN202401613U (en) * | 2011-09-22 | 2012-08-29 | 姚攀峰 | Non-template and energy-dissipating steel plate shear wall structure |
| CN102787678A (en) * | 2012-07-10 | 2012-11-21 | 同济大学 | Shear wall structure with energy-consuming horizontal seam |
| CN103046669A (en) * | 2012-12-10 | 2013-04-17 | 北京工业大学 | Prefabricated high strength reinforced concrete shear wall with low strength energy dissipation strip and fabrication method |
| CN204898943U (en) * | 2015-07-09 | 2015-12-23 | 兰州有色冶金设计研究院有限公司 | Power consumption shear force wall |
-
2020
- 2020-12-30 CN CN202011624366.8A patent/CN112746686A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313988Y (en) * | 1997-04-21 | 1999-04-14 | 同济大学 | Earthquake resistant wall |
| JP2000154668A (en) * | 1998-11-20 | 2000-06-06 | Shimizu Corp | Vibration damping framework |
| CN101250908A (en) * | 2008-03-21 | 2008-08-27 | 扬州大学 | Open and close type differ-yield-point steel reinforced concrete elastic dissipation energy hinge |
| CN202401613U (en) * | 2011-09-22 | 2012-08-29 | 姚攀峰 | Non-template and energy-dissipating steel plate shear wall structure |
| CN102787678A (en) * | 2012-07-10 | 2012-11-21 | 同济大学 | Shear wall structure with energy-consuming horizontal seam |
| CN103046669A (en) * | 2012-12-10 | 2013-04-17 | 北京工业大学 | Prefabricated high strength reinforced concrete shear wall with low strength energy dissipation strip and fabrication method |
| CN204898943U (en) * | 2015-07-09 | 2015-12-23 | 兰州有色冶金设计研究院有限公司 | Power consumption shear force wall |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023015680A1 (en) * | 2021-08-11 | 2023-02-16 | 中建科工集团有限公司 | Wallboard structure and building wall |
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Application publication date: 20210504 |
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