CN211285970U - Energy-consuming and shock-absorbing beam column joint structure for prefabricated building - Google Patents
Energy-consuming and shock-absorbing beam column joint structure for prefabricated building Download PDFInfo
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- CN211285970U CN211285970U CN201921808197.6U CN201921808197U CN211285970U CN 211285970 U CN211285970 U CN 211285970U CN 201921808197 U CN201921808197 U CN 201921808197U CN 211285970 U CN211285970 U CN 211285970U
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- 239000002783 friction material Substances 0.000 claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 12
- 238000005265 energy consumption Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000011150 reinforced concrete Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004044 response Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 16
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses an energy consumption shock attenuation beam column node structure for assembly type structure, its characterized in that: the beam column node structure comprises a precast beam (1) and a precast column (2), wherein a friction material layer (3) is tightly attached to the top of the precast column (2), one end of the precast beam (1) is horizontally arranged and installed on the friction material layer (3) at the top end of the corresponding precast column (2), and the precast beam (1) and the precast column (2) which are connected with each other are flexibly connected through allowing the precast beam (1) and the precast column (2) to be connected with each other to generate displacement or a corner. The utility model discloses a beam column node structure can improve the energy consumption damping performance of fabricated building beam column node, reduce fabricated building structure dynamic response, the holistic stability of reinforcing structure under the earthquake effect, have that the construction is simple, economic convenience and can realize the absorbing effect of power consumption.
Description
Technical Field
The utility model belongs to the assembly type structure field, specifically speaking are an energy consumption shock attenuation beam column node structure for assembly type structure.
Background
The assembly type building is an important direction for realizing green building and industrialization, has wide application prospect, but the energy dissipation and shock absorption performance of the existing assembly type building has a lot of defects:
1. compared with a cast-in-place structure, the stress performance of the connecting section of the assembled beam column is weakened, so that the structural integrity is poor, the bearing capacity of the node is reduced, and the seismic performance is poor;
2. at present, most of the existing concrete dry type connection schemes are external steel members or concrete embedded members and the like, the forms are simple, effective anchoring measures are not available, the construction is complicated, and measures such as energy dissipation and shock absorption cannot be combined;
3. at present, the mode of arranging dampers at nodes of a prefabricated frame structure can effectively dissipate seismic energy under the action of an earthquake, but the mode is only limited to good damping effect at inverted T-shaped nodes and cross-shaped nodes, and the damping device has no universality and is high in manufacturing cost;
4. the assembled energy-consuming and shock-absorbing shear wall structure system is connected by adopting the connecting beam-shear wall energy-consuming connecting device between the prefabricated shear wall pieces and the prefabricated connecting beam, and vertical seam energy-consuming connecting devices or rigid connection is adopted between vertical seams of the prefabricated shear wall pieces, so that the energy-consuming performance of the assembled shear wall structure can be improved, and the assembled energy-consuming and shock-absorbing shear wall structure system has the defects of complicated construction and high technical requirement.
Therefore, it is particularly necessary to develop an assembly type beam-column joint structure which is simple in construction, economical and convenient and can realize energy dissipation and shock absorption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that prior art exists, provide an energy consumption shock attenuation beam column node structure for assembly type structure to improve the energy consumption shock attenuation performance of assembly type structure beam column node, reduce the dynamic response of assembly type structure under the earthquake action, strengthen the holistic stability of structure.
The utility model aims at solving through the following technical scheme:
the utility model provides an energy consumption shock attenuation beam column node structure for prefabricated building which characterized in that: the beam column node structure comprises a precast beam and a precast column, wherein a friction material layer is tightly attached to the top of the precast column, one end of the precast beam is flatly arranged on the friction material layer at the top end of the corresponding precast column, and the precast beam and the precast column which are connected with each other are flexibly connected through allowing the precast beam and the precast column to be displaced or turned.
Longitudinal steel bars are buried along the length direction of the prefabricated column, the upper ends of the longitudinal steel bars extend out of the friction material layer at the top end of the prefabricated column, one end of each prefabricated beam is flatly placed on the friction material layer at the top end of the corresponding prefabricated column, the upper ends of the longitudinal steel bars upwards penetrate out of the upper edge of each prefabricated beam and then are connected with nuts, and the nuts and the longitudinal steel bars which form the bolt structures are flexibly connected with the prefabricated beams and the prefabricated column.
The nut and the longitudinal steel bar form a high-strength bolt.
The precast beam is a reinforced concrete precast beam.
The prefabricated column is a reinforced concrete prefabricated square column.
The friction material layer is made of friction materials.
The thickness of the friction material layer is 1/4-2/3 of the thickness of the precast beam.
Compared with the prior art, the utility model has the following advantages:
the utility model discloses a roof beam, post in the energy dissipation shock attenuation beam column node structure are prefabricated component, and roof beam, post combine into the bolt through longitudinal reinforcement and nut and carry out flexonics and add the one deck friction material between the beam column, and flexonics is that the component that allows interconnect shifts or the corner, does not restrict the beam column and takes place to warp, consequently when taking place relative displacement or corner between the beam column, drives friction material and beam column surface and produces the friction, thereby reach the effect that consumes energy and reduce the dynamic response of structure under the earthquake effect; compared with the beam column node of the existing fabricated building, the construction method of the energy-consuming and shock-absorbing beam column node structure is relatively simple, friction materials are easy to obtain and are various in types, the requirements of different design functions and manufacturing cost can be met, and the energy-consuming and shock-absorbing beam column node structure is suitable for common single-layer plants.
Drawings
Fig. 1 is a front view of the node structure of the energy-consuming and shock-absorbing beam column of the present invention;
figure 2 is the left side view of the energy-consuming and shock-absorbing beam-column joint structure of the utility model.
Wherein: 1, prefabricating a beam; 2, prefabricating a column; 3-a friction material layer; 4-longitudinal steel bars; and 5, a nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1: the utility model provides an energy consumption shock attenuation beam column node structure for assembly type structure, this beam column node structure includes precast beam 1 and precast column 2, and it has friction material layer 3 to closely laminate at the top of precast column 2, and precast beam 1 one end is kept flat and is installed on the friction material layer 3 on corresponding precast column 2 top, adopts between precast beam 1 and the precast column 2 to allow interconnect's precast beam 1 and precast column 2 to take place the flexible connection of displacement or corner.
A specific example of a flexible connection is: longitudinal steel bars 4 are buried along the length direction of the prefabricated column 2, the upper ends of the longitudinal steel bars 4 extend out of the top ends of the prefabricated column 2 and the friction material layer 3, one end of the prefabricated beam 1 is flatly placed on the friction material layer 3 at the top end of the corresponding prefabricated column 2, the upper end of each longitudinal steel bar 4 upwards penetrates out of the upper edge of the corresponding prefabricated beam 1 and then is connected with a nut 5, and the nut 5 and the longitudinal steel bars 4 which form a bolt structure are flexibly connected with the prefabricated beam 1 and the prefabricated column 2. In addition, the nut 5 and the longitudinal bar 4 constitute a high-strength bolt.
The precast beam 1 is a reinforced concrete precast beam, the precast column 2 is a reinforced concrete precast square column, the friction material layer 3 is made of friction materials, and the thickness of the friction material layer 3 is 1/4-2/3 of the thickness of the precast beam 1.
Example one
When the energy-consuming and shock-absorbing beam-column node structure is used for building a single-storey factory building, a prefabricated beam 1 is a reinforced concrete prefabricated beam, and the size of the prefabricated beam is determined by the structure of the specific assembled single-storey factory building; the prefabricated column 2 is a reinforced concrete prefabricated square column, and the size is determined by a specific assembly type single-layer factory building structure. The structure is as shown in fig. 1 and fig. 2, and comprises a precast beam 1, a precast column 2, a friction material layer 3, internal longitudinal steel bars 4 and nuts 5, wherein a friction material layer 3 is added between the precast beam 1 and the precast column 2 of the fabricated building, the beam-column connection adopts the internal longitudinal steel bars 4 and the high-strength nuts 5 for connection, and the flexible connection mode allows deformation between connected components, so that under the action of an earthquake, when relative displacement or a corner occurs between the beam-column, the friction material plays a role in friction energy dissipation, the dynamic response of the structure under the action of the earthquake is reduced, and the purposes of energy dissipation and shock absorption are achieved.
The energy-consuming and shock-absorbing beam column node structure of the utility model enables the assembled building beam column to deform by adopting a flexible connection mode, so that the energy-consuming component can work to play the effects of consuming earthquake energy and reducing earthquake action, and the flexible connection enables the vibration of one side of the frame not to influence the other side; meanwhile, the friction material layer 3 is added at the nodes between the beams and the columns to consume energy and reduce vibration, so that the construction is relatively simple, the friction materials are various and easy to obtain, and the requirements of different design functions and manufacturing cost can be met.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (7)
1. The utility model provides an energy consumption shock attenuation beam column node structure for prefabricated building which characterized in that: the beam column node structure comprises a precast beam (1) and a precast column (2), wherein a friction material layer (3) is tightly attached to the top of the precast column (2), one end of the precast beam (1) is horizontally arranged and installed on the friction material layer (3) at the top end of the corresponding precast column (2), and the precast beam (1) and the precast column (2) which are connected with each other are flexibly connected through allowing the precast beam (1) and the precast column (2) to be connected with each other to generate displacement or a corner.
2. The energy dissipating, shock absorbing beam and column node construction for a fabricated building according to claim 1, wherein: longitudinal steel bars (4) are buried along the length direction of the prefabricated column (2), the upper ends of the longitudinal steel bars (4) extend out of the top ends of the prefabricated column (2) and the friction material layer (3), one end of the prefabricated beam (1) is flatly placed on the friction material layer (3) at the top end of the corresponding prefabricated column (2), the upper end of the longitudinal steel bars (4) upwards penetrates out of the upper edge of the prefabricated beam (1) and then is connected with nuts (5), and the nuts (5) and the longitudinal steel bars (4) which form a bolt structure are flexibly connected with the prefabricated beam (1) and the prefabricated column (2).
3. The energy dissipating, shock absorbing beam and column node construction for a fabricated building according to claim 2, wherein: the nut (5) and the longitudinal steel bar (4) form a high-strength bolt.
4. The energy dissipating, shock absorbing beam-column node construction for prefabricated buildings according to claim 1 or 2, wherein: the precast beam (1) is a reinforced concrete precast beam.
5. The energy dissipating, shock absorbing beam-column node construction for prefabricated buildings according to claim 1 or 2, wherein: the prefabricated column (2) is a reinforced concrete prefabricated square column.
6. The energy dissipating, shock absorbing beam and column node construction for a fabricated building according to claim 1, wherein: the friction material layer (3) is made of friction materials.
7. The energy dissipating, shock absorbing beam-column node construction for prefabricated buildings according to claim 1 or 6, wherein: the thickness of the friction material layer (3) is 1/4-2/3 of the thickness of the precast beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808197.6U CN211285970U (en) | 2019-10-25 | 2019-10-25 | Energy-consuming and shock-absorbing beam column joint structure for prefabricated building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808197.6U CN211285970U (en) | 2019-10-25 | 2019-10-25 | Energy-consuming and shock-absorbing beam column joint structure for prefabricated building |
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| CN211285970U true CN211285970U (en) | 2020-08-18 |
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| CN201921808197.6U Expired - Fee Related CN211285970U (en) | 2019-10-25 | 2019-10-25 | Energy-consuming and shock-absorbing beam column joint structure for prefabricated building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670724A (en) * | 2019-10-25 | 2020-01-10 | 南京工业大学 | Energy-consuming and shock-absorbing beam column joint structure for prefabricated building |
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2019
- 2019-10-25 CN CN201921808197.6U patent/CN211285970U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670724A (en) * | 2019-10-25 | 2020-01-10 | 南京工业大学 | Energy-consuming and shock-absorbing beam column joint structure for prefabricated building |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |