CN216196018U - PEC support column with variable cross section - Google Patents
PEC support column with variable cross section Download PDFInfo
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- CN216196018U CN216196018U CN202122732464.XU CN202122732464U CN216196018U CN 216196018 U CN216196018 U CN 216196018U CN 202122732464 U CN202122732464 U CN 202122732464U CN 216196018 U CN216196018 U CN 216196018U
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Abstract
The utility model discloses a PEC (reinforced concrete) supporting column with a variable cross section, which comprises a steel keel and a concrete pouring part, wherein the steel keel comprises a bottom keel and a top keel, the bottom keel comprises a steel web plate and channel steel, and the channel steel is welded on two sides of the steel web plate; the top keel comprises H-shaped steel, the H-shaped steel comprises a web plate and a wing plate, the web plate is fixedly connected with the steel web plate in a welding mode, and the wing plate is fixedly connected with the channel steel; the bottom keel adopts a structural form that the channel steel is welded on two sides of the steel web plate steel, so that the cross section of the bottom keel is increased, and after the concrete filling part is poured, the concrete filling part is filled between the steel web plate and the channel steel and in an opening of the channel steel, so that the contribution of the concrete filling part to the supporting force and the anti-torsion force of the bottom keel is optimized; the top keel adopts H-shaped steel to reduce the steel consumption of the PEC column and reduce the manufacturing cost of the PEC column.
Description
Technical Field
The utility model relates to the technical field of building components, in particular to a PEC (reinforced concrete) support column with a variable cross section.
Background
The assembled reinforced concrete frame structure is one of the important directions for the development of building structures in China, is beneficial to the development of industrialization of buildings in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and ensuring the quality of building engineering.
The PEC column is a combined column which is formed by arranging a certain number of transverse tie bars or fixed stirrup cages between flanges of H-shaped steel and pouring concrete on two sides of a web plate. The section can increase the contribution of concrete to the bearing capacity of the member, enhance the horizontal lateral stiffness of the member, improve the anti-seismic ductility of the member, reduce the construction cost and be commonly used for a frame structure.
The bottom layer column is used as a main vertical bearing component and a lateral force resisting component, and the failure of the bottom layer column of the frame structure is often the main reason for the overall collapse of the structure according to earthquake damage investigation, and the bottom layer column is reinforced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides the PEC support column with the variable cross section, the steel keel is divided into the bottom keel and the top keel, the bottom keel improves the bearing capacity and the lateral stiffness resistance of the bottom keel in a structural mode of adopting welding groove steel on two sides of a steel web, the top keel adopts H-shaped steel, the steel consumption of the PEC column is reduced, and the manufacturing cost is reduced.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the PEC support column with the variable cross section comprises a steel keel and a concrete pouring part, wherein the steel keel comprises a bottom keel and a top keel, the bottom keel comprises a steel web and channel steel, and the channel steel is welded on two sides of the steel web; the top fossil fragments are including H shaped steel, H shaped steel is including web and pterygoid lamina, the web with steel web welded fastening connects, the pterygoid lamina with channel-section steel fixed connection.
By adopting the technical scheme, the bottom keel adopts a structural form of welding channel steels on two sides of the steel web steel, the cross section of the bottom keel is increased, and after the concrete filling part is poured, the concrete filling part is filled between the steel web and the channel steel and in the opening of the channel steel, so that the contribution of the concrete filling part to the supporting force and the torsional force of the bottom keel is optimized; the top keel adopts H-shaped steel to reduce the steel consumption of the PEC column and reduce the manufacturing cost of the PEC column.
The utility model is further configured to: the channel-section steel including floor and flange board, the floor with steel web welds, the flange board orientation is kept away from steel web one side sets up.
Through adopting above-mentioned technical scheme, can fill between two flange boards after the concrete filling portion pours, form thicker concrete filling portion in the both sides of steel web, also can fill concrete filling portion between floor and the steel web simultaneously, improved the bearing capacity and the anti lateral stiffness of PEC bottom course post on the weak axis direction.
The utility model is further configured to: and a first longitudinal stressed steel bar is arranged in the flange plate.
Through adopting above-mentioned technical scheme, the first vertical atress reinforcing bar that sets up in the flange board can increase the bite-splice force and the anti-torsion performance of concrete filling portion in the flange board.
The utility model is further configured to: the rib plate is provided with a through hole, a reinforcing steel bar is arranged in the through hole, and the reinforcing steel bar clamps the first longitudinal stress steel bar.
Through adopting above-mentioned technical scheme, through the through-hole of seting up on the floor and the reinforcing bar who runs through the through-hole, make the connection between first vertical atress reinforcing bar and the floor inseparabler, further improved the bearing performance and the anti lateral force performance of flange board one side concrete filling portion.
The utility model is further configured to: first vertical atress reinforcing bar is provided with 4 and two liang of a set of settings in one side in the channel-section steel, the reinforcing bar runs through two in proper order through-hole on the flange board, the reinforcing bar with first vertical atress reinforcing bar constitutes the steel reinforcement cage.
Through adopting above-mentioned technical scheme, the vertical reinforcing bar of two liang of a set of settings can guarantee flange board both sides concrete filling portion stable in structure, and the reinforcing bar runs through the through-hole on the flange board in proper order, forms the steel reinforcement cage with four vertical reinforcing bars, has increased the wholeness between concrete filling portion and steel web, the channel-section steel, avoids concrete filling portion to take place to break away from at the bearing in-process.
The utility model is further configured to: the reinforcing steel bars and the first longitudinal stress steel bars are located in the range of the flange plate.
Through adopting above-mentioned technical scheme, avoid concrete filling portion to surpass the flange board scope, easily the drawing of patterns and the flattening after pouring.
The utility model is further configured to: the H-shaped steel is characterized in that C-shaped steel bars are arranged in webs of the H-shaped steel, two ends of each C-shaped steel bar are welded to wing plates respectively, and openings of the C-shaped steel bars face one side of the webs.
Through adopting above-mentioned technical scheme, the concrete filling portion in the web can be reinforceed to H shaped steel web internal weld C shaped steel muscle, avoids the concrete filling portion to drop.
The utility model is further configured to: and a second longitudinal stressed steel bar is arranged between the C-shaped steel bar and the web plate, and the second longitudinal stressed steel bar is bound and connected with the C-shaped steel bar.
Through adopting above-mentioned technical scheme, the C type reinforcing bar forms the anti torsion performance of steel reinforcement cage in order to strengthen the interior concrete filling portion of web after with the vertical atress reinforcing bar ligature connection of second in the web.
In summary, the present invention has the following effects:
the lower part of the PEC support column is stressed greatly, and a steel skeleton is formed by welding a web plate on a channel steel, so that the bearing capacity and the lateral stiffness of the PEC support column in the weak axis direction are improved;
2. the channel steels on the two sides face outwards, and the sections of concrete are filled in the channel steels, so that the PEC support columns are connected with the building wallboard in the strong axis direction, and the connection adaptability of the building wall is improved;
and 3, the upper part of the PEC support column structure is stressed less, the variable cross section is common H-shaped steel, the connection cross section is simple, and the steel consumption is saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the overall structure of a variable cross-section PEC support column;
FIG. 2 is an elevation view of a variable cross-section PEC support column;
FIG. 3 is a cross-sectional view of the bottom keel prior to casting;
FIG. 4 is a cross-sectional view of the bottom keel after casting;
figure 5 is a schematic cross-sectional view of the top keel prior to casting;
figure 6 is a schematic cross-sectional view of the top keel after casting.
In the figure; 1. a bottom keel; 11. a steel web; 12. channel steel; 121. a rib plate; 1211. a through hole; 122. a flange plate; 2. a top keel; 21. h-shaped steel; 211. a web; 212. a wing plate; 22. c-shaped steel bars; 3. a first longitudinally stressed steel bar; 4. reinforcing steel bars; 5. a concrete pouring section; 6. a second longitudinally stressed steel bar.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 4 and 6, a PEC support column of variable cross-section comprises a steel keel comprising a bottom keel 1 and a top keel 2 and a concrete pour 5.
As shown in fig. 3 and 4, the bottom keel 1 comprises a steel web 11 and channel steel 12, and the channel steel 12 is welded on two sides of the steel web 11; the channel steel 12 comprises a rib plate 121 and a flange plate 122, the rib plate 121 is welded with the steel web 11, the flange plate 122 faces to one side far away from the steel web 11, and a first longitudinal stressed steel bar 3 is arranged in the flange plate 122; the rib plate 121 is provided with a through hole 1211, reinforcing steel bars 4 are arranged in the through hole 1211, the reinforcing steel bars 4 clamp the first longitudinal stress steel bars 3, the first longitudinal stress steel bars 3 are provided with 4 reinforcing steel bars, every two reinforcing steel bars are arranged in the channel steel 12, the reinforcing steel bars 4 sequentially penetrate through the through holes 1211 in the flange plate 122, the reinforcing steel bars 4 and the first longitudinal stress steel bars 3 form a steel bar cage, and the reinforcing steel bars 4 and the longitudinal steel bars are located in the range of the flange plate 122.
As shown in fig. 5 and 6, the top keel 2 comprises an H-shaped steel 21, the H-shaped steel 21 comprises a web 211 and a wing plate 212, the web 211 is fixedly connected with a steel web 11 in a welding manner, the wing plate 212 is fixedly connected with a steel channel 12 in a welding manner, a C-shaped steel bar 22 is arranged in the web 211 of the H-shaped steel 21 in a welding manner, two ends of the C-shaped steel bar 22 are respectively abutted to the wing plate 212, an opening of the C-shaped steel bar 22 faces towards one side of the web 211, a second longitudinal stressed steel bar 6 is arranged between the C-shaped steel bar 22 and the web 211, and the second longitudinal stressed steel bar 6 is connected with the C-shaped steel bar 22 in a binding manner.
It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (8)
1. The PEC support column with the variable cross section comprises a steel keel and a concrete pouring part (5), and is characterized in that the steel keel comprises a bottom keel (1) and a top keel (2), the bottom keel (1) comprises a steel web (11) and channel steel (12), and the channel steel (12) is welded on two sides of the steel web (11); top fossil fragments (2) are including H shaped steel (21), H shaped steel (21) are including web (211) and pterygoid lamina (212), web (211) with steel web (11) welded fastening connects, pterygoid lamina (212) with channel-section steel (12) fixed connection.
2. The PEC support column of claim 1, wherein the channel (12) comprises ribs (121) and a flange plate (122), the ribs (121) being welded to the steel web (11), the flange plate (122) being disposed towards a side away from the steel web (11).
3. A variable cross-section PEC support column according to claim 2, wherein a first longitudinally stressed steel bar (3) is provided within the flange plate (122).
4. The PEC support column of claim 3, wherein the rib (121) has a through hole (1211), the through hole (1211) having a reinforcing bar (4) disposed therein, the reinforcing bar (4) engaging the first longitudinal force bar (3).
5. The PEC support column of claim 4, wherein the first longitudinal stressed steel bars (3) are arranged in 4 groups of two in the channel steel (12) on one side, the reinforcing steel bars (4) sequentially penetrate through the through holes (1211) on the two flange plates (122), and the reinforcing steel bars (4) and the first longitudinal stressed steel bars (3) form a reinforcement cage.
6. A variable cross-section PEC support column according to claim 5, wherein said reinforcing bars (4) and said first longitudinal load bar (3) are both located within the confines of said flange plate (122).
7. The PEC support column of claim 1, wherein a C-shaped steel (22) rib is welded in the web (211) of the H-shaped steel (21), two ends of the C-shaped steel (22) rib abut against the wing plates (212), and an opening of the C-shaped steel (22) rib faces one side of the web (211).
8. The PEC support column of claim 7, wherein a second longitudinally stressed steel bar (6) is arranged between the C-shaped steel bar (22) and the web (211), and the second longitudinally stressed steel bar (6) is bound to the C-shaped steel bar (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732464.XU CN216196018U (en) | 2021-11-09 | 2021-11-09 | PEC support column with variable cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732464.XU CN216196018U (en) | 2021-11-09 | 2021-11-09 | PEC support column with variable cross section |
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| Publication Number | Publication Date |
|---|---|
| CN216196018U true CN216196018U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122732464.XU Active CN216196018U (en) | 2021-11-09 | 2021-11-09 | PEC support column with variable cross section |
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| CN (1) | CN216196018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450377A (en) * | 2022-10-19 | 2022-12-09 | 西安建筑科技大学 | Cold-formed thin-wall H-shaped steel-polypropylene tie bar PEC column |
-
2021
- 2021-11-09 CN CN202122732464.XU patent/CN216196018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450377A (en) * | 2022-10-19 | 2022-12-09 | 西安建筑科技大学 | Cold-formed thin-wall H-shaped steel-polypropylene tie bar PEC column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350500 Fujian Chengtou Technology Co., Ltd., 188 Chuangxin Road, Guantou Town, Lianjiang county, Fuzhou City, Fujian Province Patentee after: Fujian Zuohai Technology Co.,Ltd. Address before: 350500 Fujian Chengtou Technology Co., Ltd., 188 Chuangxin Road, Guantou Town, Lianjiang county, Fuzhou City, Fujian Province Patentee before: FUJIAN CCIT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A variable cross-section PEC support column Effective date of registration: 20230418 Granted publication date: 20220405 Pledgee: Industrial Bank Limited by Share Ltd. Fuzhou branch Pledgor: Fujian Zuohai Technology Co.,Ltd. Registration number: Y2023350000119 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |