CN216340069U - Assembled reinforced concrete antidetonation post - Google Patents
Assembled reinforced concrete antidetonation post Download PDFInfo
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- CN216340069U CN216340069U CN202120211234.6U CN202120211234U CN216340069U CN 216340069 U CN216340069 U CN 216340069U CN 202120211234 U CN202120211234 U CN 202120211234U CN 216340069 U CN216340069 U CN 216340069U
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 104
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 76
- 239000010959 steel Substances 0.000 claims abstract description 76
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses an assembled reinforced concrete anti-seismic column which comprises a reinforced concrete outer circular column and a reinforced concrete inner column. The reinforced concrete inner column is arranged in the cavity S, and both are fixed on a concrete foundation. Gaps are reserved between the upper end and the side wall of the reinforced concrete inner column and the inner wall of the cavity S, a steel energy dissipation component is fixed at the upper end of the reinforced concrete inner column, and the reinforced concrete outer circular column and the steel energy dissipation component are connected through a screw. The outer circular column and the inner column form a double-column structure, an energy consumption component is arranged at the top of the inner column and connected between the inner column and the outer column, and a certain width gap is reserved between the prefabricated inner column and the outer column to adapt to deformation required by the energy consumption connection key during earthquake resistance and energy consumption, so that the connection key can transmit horizontal force between the inner column and the outer column under the level of frequent earthquakes, the inner column and the outer column can be connected to work together integrally, and the connection key can consume energy plastically under the action of rare earthquakes.
Description
Technical Field
The utility model relates to the field of building construction, in particular to an assembled reinforced concrete anti-seismic column.
Background
The reinforced concrete single-column structure is widely applied to projects such as high-speed railways, urban rail transit, station rainshes and the like, however, the single-column structure is a statically determinate structure in the vertical column direction, when the single-column structure is subjected to large horizontal load, particularly earthquake action, no redundant constraint exists in the vertical column direction, failure of the section of the column end means structural collapse, the earthquake resistance of the single column in the direction perpendicular to the column direction is greatly weaker than that in the column direction, and columns which are not well designed can be damaged due to insufficient earthquake resistance of bearing capacity, ductility and the like. Urban single-column structures are usually located in public areas with dense people streams and are still potentially subjected to risks such as automobile collision and explosion, and disaster consequences caused by structural failure can be very serious.
Therefore, there is a need to develop an anti-seismic column that is effective against horizontal loads.
Disclosure of Invention
The utility model aims to provide an assembled reinforced concrete anti-seismic column.
The technical scheme adopted for achieving the aim of the utility model is that the assembled reinforced concrete anti-seismic column comprises a reinforced concrete outer circular column and a reinforced concrete inner column.
The reinforced concrete outer circular column is internally provided with a cavity S, the lower end of the reinforced concrete outer circular column is open, the reinforced concrete inner column is installed in the cavity S, and the lower ends of the reinforced concrete outer circular column and the reinforced concrete inner column are fixed on a concrete foundation.
A gap exists between the upper end face of the reinforced concrete inner column and the top of the cavity S, and a gap exists between the side wall of the reinforced concrete inner column and the inner wall of the cavity S.
And steel energy dissipation members are fixed on the upper end faces of the reinforced concrete inner columns, and internal thread sleeves are welded on two sides of the steel energy dissipation members, which are not adjacent to each other.
Two cavity devices are pre-embedded on the reinforced concrete outer circular column, penetrate through the inner side and the outer side of the cavity S, and correspond to the two internal thread sleeves on the steel energy dissipation component respectively.
The cavity device is internally provided with a step hole for the screw to pass through, one end of the screw passes through the cavity device and is screwed into the internal thread sleeve, and the other end of the screw is screwed into the screw cap.
A base plate is arranged between the screw cap and the step surface of the step hole in the cavity device, a vertical strip-shaped hole is formed in the base plate, and the screw penetrates through the strip-shaped hole in the base plate.
Further, the steel energy dissipation member comprises channel steel, a vertical steel plate and a horizontal bottom plate.
The channel-section steel level sets up and the opening down, and two internal thread sleeves weld the outside on two edges of a wing of channel-section steel respectively.
The two vertical steel plates which are mutually spaced are welded to the lower surface of the channel steel web plate, the lower ends of the vertical steel plates are welded on the horizontal bottom plate, and the horizontal bottom plate is connected with the top surface of the reinforced concrete inner column through bolts.
Furthermore, a plurality of outer column connection longitudinal ribs and a plurality of inner column connection longitudinal ribs are pre-buried on the upper surface of the concrete foundation, and the upper ends of the outer column connection longitudinal ribs and the inner column connection longitudinal ribs extend out of the upper surface of the concrete foundation.
The lower ends of the reinforced concrete outer circular column and the reinforced concrete inner column are pre-embedded with a plurality of connecting steel sleeves, and the connecting steel sleeves penetrate through the lower end faces of the reinforced concrete outer circular column and the reinforced concrete inner column.
And a plurality of outer column connecting longitudinal ribs are inserted into the connecting steel sleeves at the lower ends of the outer reinforced concrete circular columns, and a plurality of inner column connecting longitudinal ribs are inserted into the connecting steel sleeves at the lower ends of the inner reinforced concrete columns and are grouted into each connecting steel sleeve.
Further, a cement-based material is plugged in the cavity device and is positioned on one side, facing the screw cap, of the backing plate.
Furthermore, the outer surface of the reinforced concrete inner column is wrapped with a PVC pipe.
The technical effect of the utility model is undoubtedly that the outer circular column and the inner column form a 'double-column' structure, the energy consumption component is arranged on the top of the inner column and connected between the inner column and the outer column, and a certain width gap is reserved between the prefabricated inner column and the outer column to adapt to the deformation required by the energy consumption connecting key during the earthquake resistance and energy consumption, so that the connecting key can transmit the horizontal force between the inner column and the outer column under the level of frequent earthquakes, the inner column and the outer column can be connected to work integrally, and the connecting key can consume energy plastically under the action of rare earthquakes. In addition, the anti-seismic column successfully realizes a plurality of anti-seismic defense lines, and the concrete in the core area is still basically intact even if the outer concrete is damaged under the impact of impact and explosion transient severe impact, so that the structure is effectively prevented from collapsing, and the personal safety is protected.
Drawings
FIG. 1 is a schematic view of an anti-seismic column of the present invention;
FIG. 2 is a schematic view of a steel energy dissipating component;
FIG. 3 is a schematic view of a cavity apparatus;
fig. 4 is a schematic view of a backing plate.
In the figure: the concrete foundation comprises a concrete foundation 1, a reinforced concrete outer circular column 2, a reinforced concrete inner column 3, an outer column connecting longitudinal rib 4, an inner column connecting longitudinal rib 5, a connecting steel sleeve 6, a steel energy dissipation member 7, a channel steel 701, a vertical steel plate 702, a horizontal bottom plate 703, a cavity device 8, a base plate 9, a nut 10, a screw 11, a gap 13 and an internal thread sleeve 14.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the utility model and the scope of the utility model is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses an assembled reinforced concrete anti-seismic column, which comprises a reinforced concrete outer circular column 2 and a reinforced concrete inner column 3.
The reinforced concrete outer circular column 2 is internally provided with a cavity S, the lower end of the reinforced concrete outer circular column is open, and the reinforced concrete inner column 3 is arranged in the cavity S. The outer surface of the reinforced concrete inner column 3 is wrapped with a PVC pipe.
Referring to fig. 1, a plurality of outer column connecting longitudinal ribs 4 and a plurality of inner column connecting longitudinal ribs 5 are embedded in the upper surface of the concrete foundation 1, and the upper ends of the outer column connecting longitudinal ribs 4 and the inner column connecting longitudinal ribs 5 extend out of the upper surface of the concrete foundation 1.
The lower ends of the reinforced concrete outer circular column 2 and the reinforced concrete inner column 3 are both pre-embedded with a plurality of connecting steel sleeves 6, and the connecting steel sleeves 6 penetrate through the lower end faces of the reinforced concrete outer circular column 2 and the reinforced concrete inner column 3.
And a plurality of outer column connecting longitudinal ribs 4 are inserted into the connecting steel sleeve 6 at the lower end of the reinforced concrete outer circular column 2, and a plurality of inner column connecting longitudinal ribs 5 are inserted into the connecting steel sleeve 6 at the lower end of the reinforced concrete inner column 3 and are grouted into each connecting steel sleeve 6.
Referring to fig. 1, a gap exists between the upper end surface of the reinforced concrete inner column 3 and the top of the cavity S, and a gap 13 exists between the side wall of the reinforced concrete inner column 3 and the inner wall of the cavity S.
The upper end surface of the reinforced concrete inner column 3 is provided with a steel energy dissipation member 7, referring to fig. 2, the steel energy dissipation member 7 comprises a channel steel 701, a vertical steel plate 702 and a horizontal bottom plate 703. The channel steel 701 is horizontally arranged, the opening of the channel steel 701 is downward, and the two internal thread sleeves 14 are respectively welded to the outer sides of two flanges of the channel steel 701. The two vertical steel plates 702 which are spaced from each other are welded to the lower surface of a web plate of the channel steel 701, the lower ends of the vertical steel plates 702 are welded on the horizontal bottom plate 703, and the horizontal bottom plate 703 is connected with the top surface of the reinforced concrete inner column 3 through bolts.
Two cavity devices 8 are pre-embedded on the reinforced concrete outer circular column 2, the cavity devices 8 penetrate through the inner side and the outer side of the cavity S, and the two cavity devices 8 respectively correspond to the two internal thread sleeves 14 on the steel energy dissipation component 7.
Referring to fig. 3, the inside of the cavity device 8 is a stepped hole for the screw 11 to pass through, one end of the screw 11 passes through the cavity device 8 and is screwed into the internal thread sleeve 14, and the other end is screwed into the nut 10.
A backing plate 9 is arranged between the screw cap 10 and the step surface of the step hole in the cavity device 8, referring to fig. 4, a vertical strip-shaped hole is arranged on the backing plate 9, the screw rod 11 penetrates through the strip-shaped hole on the backing plate 9, and when the column body is horizontally loaded, the screw rod 11 can swing up and down in the strip-shaped hole. The cavity device 8 is internally blocked with cement-based materials which are positioned on one side of the backing plate 9 facing the screw cap 10.
During construction, a reinforced concrete outer circular column 2, a reinforced concrete inner column 3 and a steel energy dissipation member 7 are prefabricated in a factory, when the reinforced concrete outer circular column, the reinforced concrete inner column and the reinforced concrete energy dissipation member are installed on site, an outer column connecting longitudinal rib 4 and an inner column connecting longitudinal rib 5 are pre-buried in a concrete foundation 1, the steel energy dissipation member 7 is installed on the top of the reinforced concrete inner column 3, then the reinforced concrete inner column 3 is hoisted to enable the inner column connecting longitudinal rib 5 to enter a sleeve, then the reinforced concrete outer circular column 2 is hoisted to enable a cavity device 8 to be aligned with an internal thread sleeve 14, a screw rod 11 is screwed into the internal thread sleeve 14, a backing plate 9 is placed, a screw cap 10 is screwed, a cement-based material is adopted to plug the screw cap 10, and finally a connecting steel sleeve 6 at the bottom of the column is grouted to enable the column to be fixedly connected with the foundation.
Example 2:
the embodiment discloses an assembled reinforced concrete anti-seismic column, which comprises a reinforced concrete outer circular column 2 and a reinforced concrete inner column 3.
The reinforced concrete outer circular column 2 is internally provided with a cavity S, the lower end of the reinforced concrete outer circular column is open, the reinforced concrete inner column 3 is installed in the cavity S, and the lower ends of the reinforced concrete outer circular column 2 and the reinforced concrete inner column 3 are fixed on the concrete foundation 1.
Referring to fig. 1, a gap exists between the upper end surface of the reinforced concrete inner column 3 and the top of the cavity S, and a gap 13 exists between the side wall of the reinforced concrete inner column 3 and the inner wall of the cavity S.
The upper end face of the reinforced concrete inner column 3 is fixedly provided with a steel energy dissipation member 7, and two sides of the steel energy dissipation member 7 which are not adjacent are welded with an internal thread sleeve 14.
Two cavity devices 8 are pre-embedded on the reinforced concrete outer circular column 2, the cavity devices 8 penetrate through the inner side and the outer side of the cavity S, and the two cavity devices 8 respectively correspond to the two internal thread sleeves 14 on the steel energy dissipation component 7.
Referring to fig. 3, the inside of the cavity device 8 is a stepped hole for the screw 11 to pass through, one end of the screw 11 passes through the cavity device 8 and is screwed into the internal thread sleeve 14, and the other end is screwed into the nut 10.
A backing plate 9 is arranged between the screw cap 10 and the step surface of the step hole in the cavity device 8, referring to fig. 4, a vertical strip-shaped hole is arranged on the backing plate 9, and the screw 11 passes through the strip-shaped hole on the backing plate 9.
Example 3:
the main structure of this embodiment is the same as that of embodiment 2, and further, referring to fig. 2, the steel energy dissipation member 7 includes a channel steel 701, a vertical steel plate 702, and a horizontal bottom plate 703.
The channel steel 701 is horizontally arranged, the opening of the channel steel 701 is downward, and the two internal thread sleeves 14 are respectively welded to the outer sides of two flanges of the channel steel 701.
The two vertical steel plates 702 which are spaced from each other are welded to the lower surface of a web plate of the channel steel 701, the lower ends of the vertical steel plates 702 are welded on the horizontal bottom plate 703, and the horizontal bottom plate 703 is connected with the top surface of the reinforced concrete inner column 3 through bolts.
Example 4:
in the same manner as in embodiment 3, further, referring to fig. 1, a plurality of outer pillar connecting longitudinal ribs 4 and a plurality of inner pillar connecting longitudinal ribs 5 are embedded in the upper surface of the concrete foundation 1, and the upper ends of the outer pillar connecting longitudinal ribs 4 and the inner pillar connecting longitudinal ribs 5 all extend out of the upper surface of the concrete foundation 1.
The lower ends of the reinforced concrete outer circular column 2 and the reinforced concrete inner column 3 are both pre-embedded with a plurality of connecting steel sleeves 6, and the connecting steel sleeves 6 penetrate through the lower end faces of the reinforced concrete outer circular column 2 and the reinforced concrete inner column 3.
And a plurality of outer column connecting longitudinal ribs 4 are inserted into the connecting steel sleeve 6 at the lower end of the reinforced concrete outer circular column 2, and a plurality of inner column connecting longitudinal ribs 5 are inserted into the connecting steel sleeve 6 at the lower end of the reinforced concrete inner column 3 and are grouted into each connecting steel sleeve 6.
Example 5:
the main structure of this embodiment is the same as that of embodiment 4, and further, the cavity device 8 is sealed with a cement-based material, and the cement-based material is located on the side of the backing plate 9 facing the screw cap 10.
Example 6:
the main structure of the present embodiment is the same as that of embodiment 5, and further, the outer surface of the reinforced concrete inner column 3 is wrapped with a PVC pipe.
Claims (5)
1. The utility model provides an assembled reinforced concrete antidetonation post which characterized in that: comprises a reinforced concrete outer circular column (2) and a reinforced concrete inner column (3);
the reinforced concrete outer circular column (2) is internally provided with a cavity S, the lower end of the reinforced concrete outer circular column is open, the reinforced concrete inner column (3) is installed in the cavity S, and the lower ends of the reinforced concrete outer circular column (2) and the reinforced concrete inner column (3) are fixed on the concrete foundation (1);
a gap exists between the upper end surface of the reinforced concrete inner column (3) and the top of the cavity S, and a gap (13) exists between the side wall of the reinforced concrete inner column (3) and the inner wall of the cavity S;
the upper end face of the reinforced concrete inner column (3) is fixedly provided with a steel energy dissipation component (7), and two sides of the steel energy dissipation component (7) which are not adjacent are welded with internal thread sleeves (14);
two cavity devices (8) are pre-embedded on the reinforced concrete outer circular column (2), the cavity devices (8) penetrate through the inner side and the outer side of the cavity S, and the two cavity devices (8) respectively correspond to two internal thread sleeves (14) on the steel energy dissipation component (7);
a step hole for a screw rod (11) to pass through is formed in the cavity device (8), one end of the screw rod (11) passes through the cavity device (8) and is screwed into the internal thread sleeve (14), and the other end of the screw rod is screwed into the screw cap (10);
a backing plate (9) is arranged between the screw cap (10) and the step surface of the step hole in the cavity device (8), a vertical strip-shaped hole is formed in the backing plate (9), and the screw rod (11) penetrates through the strip-shaped hole in the backing plate (9).
2. An assembled reinforced concrete anti-seismic column as defined in claim 1, wherein: the steel energy dissipation member (7) comprises a channel steel (701), a vertical steel plate (702) and a horizontal bottom plate (703);
the channel steel (701) is horizontally arranged, the opening of the channel steel is downward, and the two internal thread sleeves (14) are respectively welded to the outer sides of two flanges of the channel steel (701);
the two vertical steel plates (702) which are spaced from each other are welded to the lower surface of a web plate of the channel steel (701), the lower ends of the vertical steel plates (702) are welded on the horizontal bottom plate (703), and the horizontal bottom plate (703) is connected with the top surface of the reinforced concrete inner column (3) through bolts.
3. An assembled reinforced concrete anti-seismic column as defined in claim 1, wherein: a plurality of outer column connecting longitudinal ribs (4) and a plurality of inner column connecting longitudinal ribs (5) are pre-embedded in the upper surface of the concrete foundation (1), and the upper ends of the outer column connecting longitudinal ribs (4) and the inner column connecting longitudinal ribs (5) extend out of the upper surface of the concrete foundation (1);
the lower ends of the reinforced concrete outer circular column (2) and the reinforced concrete inner column (3) are embedded with a plurality of connecting steel sleeves (6), and the connecting steel sleeves (6) penetrate through the lower end faces of the reinforced concrete outer circular column (2) and the reinforced concrete inner column (3);
the outer column connecting longitudinal ribs (4) are inserted into connecting steel sleeves (6) at the lower ends of the outer reinforced concrete circular columns (2), and the inner column connecting longitudinal ribs (5) are inserted into the connecting steel sleeves (6) at the lower ends of the inner reinforced concrete columns (3) and are grouted into each connecting steel sleeve (6).
4. An assembled reinforced concrete anti-seismic column as defined in claim 1, wherein: and a cement-based material is blocked in the cavity device (8), and is positioned on one side, facing the screw cap (10), of the backing plate (9).
5. An assembled reinforced concrete anti-seismic column as defined in claim 1, wherein: the outer surface of the reinforced concrete inner column (3) is wrapped with a PVC pipe.
Priority Applications (1)
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CN202120211234.6U CN216340069U (en) | 2021-01-26 | 2021-01-26 | Assembled reinforced concrete antidetonation post |
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CN202120211234.6U CN216340069U (en) | 2021-01-26 | 2021-01-26 | Assembled reinforced concrete antidetonation post |
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CN202120211234.6U Expired - Fee Related CN216340069U (en) | 2021-01-26 | 2021-01-26 | Assembled reinforced concrete antidetonation post |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114856085A (en) * | 2022-05-05 | 2022-08-05 | 广州大学 | Swing type bearing-vibration damping/vibrating dual-function combined column |
-
2021
- 2021-01-26 CN CN202120211234.6U patent/CN216340069U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114856085A (en) * | 2022-05-05 | 2022-08-05 | 广州大学 | Swing type bearing-vibration damping/vibrating dual-function combined column |
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Granted publication date: 20220419 |
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