CN214784945U - Prefabricated reinforced concrete column foundation swinging energy dissipation node with fan-shaped damping device - Google Patents
Prefabricated reinforced concrete column foundation swinging energy dissipation node with fan-shaped damping device Download PDFInfo
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- CN214784945U CN214784945U CN202121054555.6U CN202121054555U CN214784945U CN 214784945 U CN214784945 U CN 214784945U CN 202121054555 U CN202121054555 U CN 202121054555U CN 214784945 U CN214784945 U CN 214784945U
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- 238000013016 damping Methods 0.000 title claims abstract description 46
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 34
- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims description 21
- 210000002435 tendon Anatomy 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the building structure field relates to a take fan-shaped damping device's prefabricated reinforced concrete column base to sway power consumption node, including prefabricated post and base station, the bottom of prefabricated post is the circular arc end, be equipped with on the base station with this circular arc end complex circular arc groove, the prefabricated post passes through the circular arc end to set up in the circular arc of base station and serves, and prefabricated post and base station pass through the prestressing tendons and connect to be connected with a plurality of elastic damping device between prefabricated bottom of the column portion lateral wall and the base station. The utility model discloses a circular arc connection structure cooperation elastic damping device realizes swaing the power consumption effect of prefabricated post, simple structure, and the practicality is strong, can be arranged in polytype assembly type building structure.
Description
Technical Field
The utility model belongs to the building field relates to a building connected node structure, especially relates to a take fan-shaped damping device's prefabricated reinforced concrete column base to sway power consumption node.
Background
The fabricated concrete building has a small difference from the traditional cast-in-place structure in the seismic performance, and particularly the seismic performance of the node position is lower than the node seismic capacity of the cast-in-place structure. The traditional cast-in-place structure is often added with a plurality of swinging components in an anti-seismic design, so that the seismic energy absorbed by the structure is consumed, and the damage of an earthquake to the structure is effectively reduced. But the current fabricated concrete building structure still has the problem of insufficient anti-seismic performance.
Chinese utility model patent application with publication number CN209369024U discloses a full-assembly prestressed reinforced concrete frame, its major structure includes: the system comprises a fan-shaped viscoelastic damper, a prefabricated reinforced concrete frame beam, an expansion cable through hole, an expansion cable, a beam support, an anchorage device, a prefabricated reinforced concrete column, a foundation, a first embedded steel plate, a second embedded steel plate, a grouting sleeve and reinforcing steel bars; fan-shaped viscoelastic dampers for improving the anti-seismic performance are arranged at two ends of the prefabricated reinforced concrete frame beam respectively, one ends of the fan-shaped viscoelastic dampers are connected with the second embedded steel plates of the prefabricated reinforced concrete frame beam through high-strength bolts, and the other ends of the fan-shaped viscoelastic dampers are connected with the first embedded steel plates on the adjacent prefabricated reinforced concrete columns through high-strength bolts.
According to the technical scheme, the fan-shaped viscoelastic damper is adopted, and tensioning is carried out through the tensioning cable, so that the anti-seismic performance of the structure can be improved, and the overall safety of the structure is ensured. But due to the structural limitation, the stress on the node is concentrated, so that the prefabricated reinforced concrete column still has higher fracture risk.
Disclosure of Invention
The application aims to solve the problems and provide a prefabricated reinforced concrete column foundation swinging energy dissipation node with a fan-shaped damping device;
in order to achieve the above purpose, the utility model adopts the following technical proposal:
the application creatively provides a take fan-shaped damping device's prefabricated reinforced concrete column base to sway power consumption node, including prefabricated post and base station, the bottom of prefabricated post is the circular arc end, be equipped with on the base station with this circular arc end complex circular arc groove, the prefabricated post passes through the circular arc end to set up in the circular arc of base station and serves, and prefabricated post and base station pass through the prestressing tendons and connect to be connected with a plurality of elastic damping device between prefabricated bottom of the column portion lateral wall and the base station.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping devices, four elastic damping devices are arranged between the side wall of the bottom of the prefabricated column and the base station along the orthogonal direction.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, the elastic damping device is a fan-shaped viscoelastic damping device.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, a first arc steel plate is arranged on the upper edge end face of the arc end of the prefabricated column.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, a first annular groove is formed in the outer circumference of the arc end of the prefabricated column, the outer edge of the first arc steel plate extends upwards and is embedded into the first annular groove, and the first arc steel plate is embedded upwards into the first annular groove and is flush with the outer circumference of the prefabricated column.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, a second arc steel plate is arranged on the arc groove of the base station along the groove surface.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, a second annular groove is formed in the outer edge of the arc groove of the base station, the outer edge of the second arc steel plate extends outwards and is embedded into the second annular groove, and the part, embedded into the second annular groove, of the second arc steel plate is flush with the upper surface of the base station.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, the prefabricated column is provided with a first reserved through hole along the axis, a second reserved through hole is longitudinally formed in the center of the arc groove of the base station, the prefabricated column is connected with the base station so that the first reserved through hole is communicated with the second reserved through hole, the prestressed tendon penetrates through the first reserved through hole and the second reserved through hole, and two ends of the prestressed tendon are respectively fixed with the prefabricated column and the base station.
In the prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device, the arc angle of the vertical section of the arc end and the arc groove along the central line is 60-75 degrees.
In the prefabricated reinforced concrete column base swinging energy consumption node with the fan-shaped damping device, the criticizing cross section of the prefabricated column is circular, square or polygonal.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a circular arc connection structure cooperation elastic damping device realizes swaing the power consumption effect of prefabricated post, simple structure, and the practicality is strong, can be arranged in polytype assembly type building structure.
The utility model belongs to dry-type connected node, the construction speed is fast, and is efficient, does not have wet operation, can not exert an influence to the surrounding environment, belongs to green construction.
The steel plate is adopted for the contact surface, so that the abrasion in the swinging process can be reduced, and the safety performance is improved.
Elastic damping device quadrature sets up, with convex connection structure cooperation, can effectively guarantee prefabricated post stability in a plurality of directions, increases connected node's application range.
Drawings
Fig. 1 is a schematic structural diagram of a prefabricated column foundation swing connecting node provided by the application.
Fig. 2 is a schematic structural view of a prefabricated column provided herein.
Fig. 3 is a schematic front view of a base station according to the present invention.
Fig. 4 is a schematic top view of a prefabricated column provided herein.
In the figure, a precast column 1, an arc end 11, a first arc steel plate 12, a first annular groove 13, a first reserved through hole 14, an arc groove 21, a base station 2, an arc groove 21, a second arc steel plate 22, a second annular groove 23, a second reserved through hole 24, an elastic damping device 3 and a prestressed tendon 4.
Detailed Description
Further illustrated by the following specific examples;
as shown in fig. 1, a prefabricated reinforced concrete column foundation swinging energy dissipation node with a fan-shaped damping device comprises a prefabricated column 1 and a base station 2, wherein the bottom end of the prefabricated column 1 is an arc end 11, an arc groove 21 matched with the arc end 11 is arranged on the base station 2, the prefabricated column 1 is arranged on the arc end 11 of the base station 2 through the arc end 11, the prefabricated column 1 and the base station 2 are connected through a prestressed tendon 4, and a plurality of elastic damping devices 3 are connected between the bottom side wall of the prefabricated column 1 and the base station 2. The utility model discloses a convex connection structure cooperation elastic damping device realizes the energy consumption effect that sways of prefabricated post 1, simple structure, and the practicality is strong, can be arranged in polytype assembly type building structure.
As shown in fig. 2, a first arc steel plate 12 is arranged on the arc end 11 of the precast column 1 along the end surface.
As a preferable technical solution, the outer circumference of the arc end 11 of the precast column 1 is provided with a first annular groove 13, the outer edge of the first arc steel plate 12 extends upwards and is embedded in the first annular groove 13, and the part of the first arc steel plate 12 embedded upwards in the first annular groove 13 is flush with the outer circumference of the precast column 1.
More specifically, the outer surface of the first arc steel plate 12 is a smooth surface having a roughness Ra of less than 0.8 μm.
As shown in fig. 3, the second arc steel plate 22 is provided along the groove surface on the arc groove 21 of the base 2.
The outer edge of the arc groove 21 of the base platform 2 is provided with a second annular groove 23, the outer edge of the second arc steel plate 22 extends outwards to be embedded into the second annular groove 23, and the part of the second arc steel plate 22 embedded outwards into the second annular groove 23 is flush with the upper surface of the base platform 2.
More specifically, the outer surface of the second arc steel plate 22 is a smooth surface having a roughness Ra of less than 0.8 μm.
The steel plate is adopted for the contact surface, so that the abrasion in the swinging process can be reduced, and the safety performance is improved. And the contact surfaces are smooth surfaces, so that friction is further reduced, and abrasion in the swinging process is reduced.
As shown in fig. 1, 2, 3 and 4, the precast column 1 is provided with a first reserved through hole 14 along an axis, a second reserved through hole 24 is longitudinally arranged at the center of an arc groove 21 of the base platform 2, the precast column 1 is connected with the base platform 2 so as to communicate the first reserved through hole 14 with the second reserved through hole 24, the prestressed tendon 4 penetrates through the first reserved through hole 14 and the second reserved through hole 24, and two ends of the prestressed tendon 4 are respectively fixed with the precast column 1 and the base platform 2.
The horizontal section of the precast column 1 is circular, and the arc angle of the vertical section of the arc end 11 and the arc groove 21 along the center line is 60-75 degrees.
As a preferable technical solution, four elastic damping devices 3 are arranged between the sidewall of the bottom of the prefabricated column 1 and the base 2 along the orthogonal direction. Elastic damping device 3 sets up along vertical plane, and the prefabricated post 1 lateral wall is connected to elastic damping device 3's one end, and one end is connected base station 2 upper surface. Four elastic damping device 3 are two liang of relative quadrature settings, and with the cooperation of convex connection structure, can effectively guarantee prefabricated post stability in a plurality of directions, increase connected node's application range.
Specifically, the elastic damper device 3 is a fan-shaped viscoelastic damper device. The fan-shaped viscoelastic damper can be a beam-column joint dry-connection fan-shaped viscoelastic damper disclosed in the patent application document of the Chinese utility model with the publication number of CN 206448585U.
The prefabricated column 1 is a reinforced concrete column.
In other embodiments of the present invention, the horizontal cross-section of the prefabricated column 1 is square.
In the vertical section of prefabricated post 1 along the central line that is on a parallel with a side, the arc angle of arc end 11 and arc groove 21 along the vertical section of central line is 60 ~ 75.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms precast column 1, circular arc end 11, first circular arc steel plate 12, first annular groove 13, first reserved through hole 14, circular arc groove 21, base 2, circular arc groove 21, second circular arc steel plate 22, second annular groove 23, second reserved through hole 24, elastic damping device 3, prestressed tendon 4, etc. are used more herein. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a take fan-shaped damping device's prefabricated reinforced concrete column base to sway power consumption node, includes prefabricated post (1) and base station (2), its characterized in that: the bottom of prefabricated post (1) is circular arc end (11), be equipped with on base station (2) with this circular arc end (11) complex circular arc groove (21), prefabricated post (1) sets up on circular arc end (11) of base station (2) through circular arc end (11), prefabricated post (1) and base station (2) are connected through prestressing tendons (4) to be connected with a plurality of elastic damping device (3) between prefabricated post (1) bottom lateral wall and base station (2).
2. The prefabricated reinforced concrete column foundation sway energy dissipation node with sector damping devices of claim 1, wherein: four elastic damping devices (3) are arranged between the side wall of the bottom of the prefabricated column (1) and the base platform (2) along the orthogonal direction.
3. The prefabricated reinforced concrete column-based swinging energy dissipation node with the fan-shaped damping device as claimed in claim 1 or 2, wherein: the elastic damping device (3) is a fan-shaped viscoelastic damping device.
4. The prefabricated reinforced concrete column foundation sway energy dissipation node with sector damping devices of claim 1, wherein: a first arc steel plate (12) is arranged on the upper edge end face of the arc end (11) of the prefabricated column (1).
5. The prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device as claimed in claim 4, wherein: the outer circumference of the arc end (11) of the prefabricated column (1) is provided with a first annular groove (13), the outer edge of the first arc steel plate (12) extends upwards to be embedded into the first annular groove (13), and the part of the first arc steel plate (12) embedded upwards into the first annular groove (13) is flush with the outer circumference of the prefabricated column (1).
6. The prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device as claimed in claim 4, wherein: and a second arc steel plate (22) is arranged on the arc groove (21) of the base platform (2) along the groove surface.
7. The prefabricated reinforced concrete column foundation swinging energy dissipation node with the fan-shaped damping device as claimed in claim 6, wherein: the outer edge of the arc groove (21) of the base platform (2) is provided with a second annular groove (23), the outer edge of the second arc steel plate (22) extends outwards to be embedded into the second annular groove (23), and the part of the second arc steel plate (22) embedded into the second annular groove (23) outwards is flush with the upper surface of the base platform (2).
8. The prefabricated reinforced concrete column foundation sway energy dissipation node with sector damping devices of claim 1, wherein: prefabricated post (1) is provided with first reservation through-hole (14) along the axis, base station (2) circular arc groove (21) center vertically is provided with second reservation through-hole (24), prefabricated post (1) is connected so that first reservation through-hole (14) and second reservation through-hole (24) intercommunication, and prestressing tendons (4) run through in first reservation through-hole (14) and second reservation through-hole (24) and the both ends of prestressing tendons (4) are fixed with prefabricated post (1) and base station (2) respectively.
9. The prefabricated reinforced concrete column foundation sway energy dissipation node with sector damping devices of claim 1, wherein: the arc angle of the arc end (11) and the arc groove (21) along the vertical section of the central line is 60-75 degrees.
10. The prefabricated reinforced concrete column foundation sway energy dissipation node with sector damping devices of claim 1, wherein: the horizontal section of the prefabricated column (1) is circular, square or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054555.6U CN214784945U (en) | 2021-05-17 | 2021-05-17 | Prefabricated reinforced concrete column foundation swinging energy dissipation node with fan-shaped damping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054555.6U CN214784945U (en) | 2021-05-17 | 2021-05-17 | Prefabricated reinforced concrete column foundation swinging energy dissipation node with fan-shaped damping device |
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| Publication Number | Publication Date |
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| CN214784945U true CN214784945U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121054555.6U Expired - Fee Related CN214784945U (en) | 2021-05-17 | 2021-05-17 | Prefabricated reinforced concrete column foundation swinging energy dissipation node with fan-shaped damping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142460A (en) * | 2022-08-16 | 2022-10-04 | 福建众腾建设工程有限公司 | Anti-seismic building construction structure |
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- 2021-05-17 CN CN202121054555.6U patent/CN214784945U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142460A (en) * | 2022-08-16 | 2022-10-04 | 福建众腾建设工程有限公司 | Anti-seismic building construction structure |
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Granted publication date: 20211119 |