CN110528689B - Assembled beam column earthquake-resistant structure - Google Patents
Assembled beam column earthquake-resistant structure Download PDFInfo
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- CN110528689B CN110528689B CN201910851896.7A CN201910851896A CN110528689B CN 110528689 B CN110528689 B CN 110528689B CN 201910851896 A CN201910851896 A CN 201910851896A CN 110528689 B CN110528689 B CN 110528689B
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- damper
- column
- precast
- connecting part
- precast beam
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- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
-
- 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
-
- 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
- E04H9/025—Structures with concrete columns
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an assembled beam-column anti-seismic structure, which belongs to the technical field of building anti-seismic structures and comprises a prefabricated beam and a prefabricated column, wherein the end part of the prefabricated beam is fixedly connected with one side of the prefabricated column; the first damper and the second damper are symmetrically arranged on two sides of the precast beam, the directions of the first damper and the second damper are consistent with the axial direction of the precast beam, and the first damper and the second damper are positioned on the same horizontal plane; the two side surfaces of the precast beam are symmetrically provided with a first connecting part and a second connecting part, one end of a first damper is hinged with the precast column, and the other end of the first damper is hinged with the first connecting part; one end of the second damper is hinged to the prefabricated column, and the other end of the second damper is hinged to the second connecting portion. According to the invention, the first damper and the second damper are symmetrically arranged at the beam-column node, so that the anti-seismic effect is improved through the energy consumption capacity of the first damper and the second damper, and meanwhile, the self-resetting capacity of the beam-column node is effectively improved.
Description
Technical Field
The invention relates to the technical field of building earthquake-resistant structures, in particular to an assembled beam-column earthquake-resistant structure.
Background
The assembly type structure is widely applied at home and abroad because of the advantages of high production efficiency, good component quality, less construction waste, resource and energy conservation, realization of green development requirement of four-in-one environmental protection, and the like. The prefabricated structure mainly comprises prefabricated components and a connecting structure, wherein the structural connection is used as an important force transmission component in the prefabricated structure, the prefabricated structure is required to have good performance and definite force transmission, and the prefabricated structure is not damaged under the action of an earthquake so as to ensure the integral stability of the structure. Therefore, how to ensure the performance of the assembled structure connection is an important content in the research of the assembled structure.
In recent years, many scholars at home and abroad research and analyze the assembled structure and obtain certain research results, but still more attention is paid to structural strength, and the performance research on the overall failure mode of the structure, such as energy consumption capacity, plastic controllability and the like, is less.
Therefore, the market needs an assembled beam-column earthquake-resistant structure with strong energy consumption and good earthquake-resistant effect.
Disclosure of Invention
The invention aims to provide an assembled beam-column anti-seismic structure, which aims to solve the problems in the prior art, and the assembled structure has a reliable anti-seismic effect on the basis of ensuring the stress strength.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an assembled beam-column anti-seismic structure which comprises a precast beam and a precast column, wherein the end part of the precast beam is fixedly connected with one side of the precast column; a first damper and a second damper are symmetrically arranged on two sides of the precast beam, the directions of the first damper and the second damper are consistent with the axial direction of the precast beam, and the first damper and the second damper are positioned on the same horizontal plane; a first connecting part and a second connecting part are symmetrically arranged on two side surfaces of the precast beam, one end of the first damper is hinged with the precast column, and the other end of the first damper is hinged with the first connecting part; one end of the second damper is hinged to the prefabricated column, and the other end of the second damper is hinged to the second connecting portion.
Optionally, the first damper and the second damper are spring dampers, metal dampers or viscous dampers.
Optionally, the first connecting portion and the second connecting portion are angle steels, a first anchor bar is arranged in the precast beam, the first anchor bar penetrates through the precast beam along a direction perpendicular to the axis of the precast beam, two ends of the first anchor bar extend out of the surface of the precast beam and are fixedly connected with the first connecting portion and the second connecting portion respectively, and the first connecting portion and the second connecting portion are connected with the first damper and the second damper respectively through a first connecting piece.
Optionally, a support member is further provided, and two ends of the support member are respectively fixedly connected with the inner sides of two edges of the angle steel.
Optionally, an embedded part is arranged in the precast beam, and two ends of the embedded part protrude out of two side faces of the precast beam to form the first connecting part and the second connecting part.
Optionally, a second anchor bar is arranged at a position inside the prefabricated column, which is consistent with the first damper and the second damper in height, and the end part of the second anchor bar extends out of the surface of the prefabricated column and is connected with the damper through a second connecting piece.
Optionally, the both ends of first connecting piece with the both ends of second connecting piece all are provided with the trip structure, first connecting portion with all be provided with the connecting hole on the second connecting portion, first connecting piece one end pass through the pothook structure with the connecting hole of first connecting portion or second connecting portion is articulated, the other end pass through the pothook structure with first attenuator or the second attenuator tip is articulated, one section of second connecting piece pass through the trip structure with the second anchor bar tip is articulated, the other end pass through the trip structure with first attenuator or the second attenuator tip is articulated.
Optionally, the first damper and the second damper are respectively arranged in parallel in a vertical direction.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the first damper and the second damper are symmetrically arranged at the beam-column node, so that the anti-seismic effect is improved through the energy consumption capacity of the first damper and the second damper, and the self-resetting capacity of the beam-column node is effectively improved;
the invention has less structural modification, only needs to arrange the first connecting part and the first connecting part or the embedded part in the original beam column structure, and can install the first damper and the second damper on site, thereby not influencing the structural strength and having high construction efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a top view of an assembled beam-column earthquake-resistant structure provided by the present invention.
In the figure: 1-prefabricating a beam; 2-prefabricating a column; 3-a first damper; 4-a second damper; 5-a first connection; 6-a second connection; 7-a first anchor bar; 8-a second anchor bar; 9-a first connector; 10-a second connector; 11-a support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an assembled beam-column anti-seismic structure, which aims to solve the problems in the prior art, and the assembled structure has a reliable anti-seismic effect on the basis of ensuring the stress strength.
The invention provides an assembled beam-column anti-seismic structure which comprises a prefabricated beam and a prefabricated column, wherein the end part of the prefabricated beam is fixedly connected with one side of the prefabricated column; the first damper and the second damper are symmetrically arranged on two sides of the precast beam, the directions of the first damper and the second damper are consistent with the axial direction of the precast beam, and the first damper and the second damper are positioned on the same horizontal plane; the two side surfaces of the precast beam are symmetrically provided with a first connecting part and a second connecting part, one end of a first damper is hinged with the precast column, and the other end of the first damper is hinged with the first connecting part; one end of the second damper is hinged to the prefabricated column, and the other end of the second damper is hinged to the second connecting portion.
According to the invention, the first damper and the second damper are symmetrically arranged at the beam-column node, so that the anti-seismic effect is improved through the energy consumption capacity of the first damper and the second damper, and meanwhile, the self-resetting capacity of the beam-column node is effectively improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIG. 1, the fabricated beam-column earthquake-resistant structure provided by the invention comprises a precast beam 1 and a precast column 2, wherein the end part of the precast beam 1 is fixedly connected with one side of the precast column 2; the two sides of the precast beam 1 are symmetrically provided with a first damper 3 and a second damper 4, the directions of the first damper 3 and the second damper 4 are consistent with the axial direction of the precast beam 1, and the first damper 3 and the second damper 4 are positioned on the same horizontal plane; the two side surfaces of the precast beam 1 are symmetrically provided with a first connecting part 5 and a second connecting part 6, one end of the first damper 3 is hinged with the precast column 2, and the other end of the first damper 3 is hinged with the first connecting part 5; one end of the second damper 4 is hinged with the prefabricated column 2, and the other end of the second damper 4 is hinged with the second connecting part 6.
When an earthquake occurs, the beams and the columns generate relative displacement, the first damper 3 and the second damper 4 deform along with the relative displacement, and the first damper and the second damper form an energy consumption system with the beams and the columns, so that the relative positions of the beams and the columns of the post-earthquake structure can be basically recovered to the pre-earthquake form.
Further, the first damper 3 and the second damper 4 are spring dampers, metal dampers, or viscous dampers.
Furthermore, the first connecting portion 5 and the second connecting portion 6 are angle steels, a first anchor bar 7 is arranged in the precast beam 1, the first anchor bar 7 penetrates through the precast beam 1 along the direction perpendicular to the axis, two ends of the first anchor bar 7 extend out of the surface of the precast beam 1 and are fixedly connected with the first connecting portion 5 and the second connecting portion 6 respectively, and the first connecting portion 5 and the second connecting portion 6 are connected with the first damper 3 and the second damper 4 respectively through a first connecting piece 9.
The first anchor bar 7 is preferably installed by a method of grouting first and inserting the anchor bar later, and the diameter of a drilled hole is more than 15mm larger than that of the first anchor bar 7; when the anchor bar is installed by a method of inserting the anchor bar firstly and then grouting, the diameter of a drill hole is preferably 40mm larger than that of the anchor bar, the grouting is ensured to be full, and rock powder and accumulated water in a front hole of the anchor bar installation are cleaned up.
Furthermore, a support piece 11 is further arranged, two ends of the support piece 11 are fixedly connected with the inner sides of two edges of the angle steel respectively, the support piece 11 effectively improves the overall rigidity of the angle steel, and the tensile and compression resistance of the angle steel during earthquake occurrence is optimized.
Furthermore, an embedded part is arranged in the precast beam 1, and two ends of the embedded part protrude out of two side faces of the precast beam 1 to form a first connecting part 5 and a second connecting part 6.
In the process of manufacturing the precast beam 1 in a factory, the embedded part is installed at a specified position in the precast beam 1, the embedded part is reliably welded with the structural steel bars of the precast beam 1, and then concrete is poured to form the precast beam 1 with the exposed first connecting part 5 and the exposed second connecting part 6.
Furthermore, second anchor bars 8 are respectively arranged at the positions, with the same height, of the first damper 3 and the second damper 4 in the prefabricated column 2, the end portions of the second anchor bars 8 extend out of the surface of the prefabricated column 2 and are connected with the dampers through second connecting pieces 10, and the installation mode of the second anchor bars 8 is the same as that of the first anchor bars 7.
Furthermore, the both ends of first connecting piece 9 and the both ends of second connecting piece 10 all are provided with the trip structure, all be provided with the connecting hole on first connecting portion 5 and the second connecting portion 6, 9 one end of first connecting piece is articulated with the connecting hole of first connecting portion 5 or second connecting portion 6 through the trip structure, the other end passes through the trip structure and articulates with first attenuator 3 or 4 tip of second attenuator, second connecting piece 10 one section is articulated with 8 tip of second anchor bar through the trip structure, the other end passes through the trip structure and articulates with first attenuator 3 or 4 tip of second attenuator.
Further, first attenuator 3 and second attenuator 4 set up a plurality ofly side by side in vertical direction respectively to further improve the anti-seismic performance of beam column node.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. An assembled beam-column anti-seismic structure comprises a precast beam and a precast column, wherein the end part of the precast beam is fixedly connected with one side of the precast column; the method is characterized in that: a first damper and a second damper are symmetrically arranged on two sides of the precast beam, the directions of the first damper and the second damper are consistent with the axial direction of the precast beam, and the first damper and the second damper are positioned on the same horizontal plane; a first connecting part and a second connecting part are symmetrically arranged on two side surfaces of the precast beam, one end of the first damper is hinged with the precast column, and the other end of the first damper is hinged with the first connecting part; one end of the second damper is hinged with the precast column, and the other end of the second damper is hinged with the second connecting part; the first connecting part and the second connecting part are both angle steels, a first anchor bar is arranged in the precast beam and penetrates through the precast beam along the direction vertical to the axis of the precast beam, two ends of the first anchor bar extend out of the surface of the precast beam and are fixedly connected with the first connecting part and the second connecting part respectively, and the first connecting part and the second connecting part are connected with the first damper and the second damper respectively through a first connecting piece; second anchor bars are respectively arranged in the prefabricated column at the positions with the same height as the first damper and the second damper, and the end parts of the second anchor bars extend out of the surface of the prefabricated column and are connected with the dampers through second connecting pieces;
the both ends of first connecting piece with the both ends of second connecting piece all are provided with the trip structure, first connecting portion with all be provided with the connecting hole on the second connecting portion, first connecting piece one end pass through the pothook structure with the connecting hole of first connecting portion or second connecting portion is articulated, the other end pass through the pothook structure with first attenuator or the second attenuator tip is articulated, second connecting piece one end pass through the trip structure with the second anchor bar tip is articulated, the other end pass through the trip structure with first attenuator or the second attenuator tip is articulated.
2. The fabricated beam-column earthquake-resistant structure of claim 1, wherein: the first damper and the second damper are spring dampers, metal dampers or viscous dampers.
3. The fabricated beam-column earthquake-resistant structure of claim 1, wherein: the angle iron is characterized by further comprising a supporting piece, wherein two ends of the supporting piece are fixedly connected with the inner sides of two edges of the angle iron respectively.
4. The fabricated beam-column earthquake-resistant structure of claim 1, wherein: the prefabricated beam is internally provided with embedded parts, and two ends of each embedded part protrude out of two side faces of the prefabricated beam to form the first connecting part and the second connecting part.
5. The fabricated beam-column earthquake-resistant structure of claim 1, wherein: the first damper and the second damper are respectively arranged in parallel in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851896.7A CN110528689B (en) | 2019-09-10 | 2019-09-10 | Assembled beam column earthquake-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910851896.7A CN110528689B (en) | 2019-09-10 | 2019-09-10 | Assembled beam column earthquake-resistant structure |
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| Publication Number | Publication Date |
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| CN110528689A CN110528689A (en) | 2019-12-03 |
| CN110528689B true CN110528689B (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910851896.7A Active CN110528689B (en) | 2019-09-10 | 2019-09-10 | Assembled beam column earthquake-resistant structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113236004B (en) * | 2021-04-28 | 2023-08-01 | 北京建筑大学 | Energy consumption device and connection structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525679A (en) * | 2016-01-21 | 2016-04-27 | 东南大学 | Local prestress assembly type energy-dissipating beam column joint |
| CN109235681A (en) * | 2018-08-27 | 2019-01-18 | 东南大学 | A kind of low damage node of assembled Self-resetting prestressed concrete frame mild-steel energy-consumption |
| CN109798011A (en) * | 2019-03-06 | 2019-05-24 | 东南大学 | Series connection disc spring large deformation energy-dissipation beam column node |
| CN209277282U (en) * | 2018-10-15 | 2019-08-20 | 扬州工业职业技术学院 | A kind of connection structure of damper assembling frame node |
-
2019
- 2019-09-10 CN CN201910851896.7A patent/CN110528689B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525679A (en) * | 2016-01-21 | 2016-04-27 | 东南大学 | Local prestress assembly type energy-dissipating beam column joint |
| CN109235681A (en) * | 2018-08-27 | 2019-01-18 | 东南大学 | A kind of low damage node of assembled Self-resetting prestressed concrete frame mild-steel energy-consumption |
| CN209277282U (en) * | 2018-10-15 | 2019-08-20 | 扬州工业职业技术学院 | A kind of connection structure of damper assembling frame node |
| CN109798011A (en) * | 2019-03-06 | 2019-05-24 | 东南大学 | Series connection disc spring large deformation energy-dissipation beam column node |
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Effective date of registration: 20231103 Address after: No. 5 Beijing West Road, Nanjing, Jiangsu Province Patentee after: CHINA JIANGSU INTERNATIONAL ECONOMIC AND TECHNICAL COOPERATION Group Ltd. Address before: 211189 No. 2 Southeast University Road, Jiangning District, Nanjing, Jiangsu Patentee before: SOUTHEAST University |
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