CN215406929U - Prefabricated reinforced concrete splicing column - Google Patents
Prefabricated reinforced concrete splicing column Download PDFInfo
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- CN215406929U CN215406929U CN202120923816.7U CN202120923816U CN215406929U CN 215406929 U CN215406929 U CN 215406929U CN 202120923816 U CN202120923816 U CN 202120923816U CN 215406929 U CN215406929 U CN 215406929U
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Abstract
The utility model discloses a prefabricated reinforced concrete splicing column which comprises a concrete upper column, a concrete lower column and splicing nodes, wherein the concrete upper column is provided with a plurality of splicing nodes; the lower end of the concrete upper column is connected with the upper end of the splicing node, and the upper end of the concrete lower column is connected with the lower end of the splicing node; the lower end of the concrete upper column is provided with an upper tenon body, the upper end of the concrete lower column is provided with a lower tenon body, and the upper tenon body and the lower tenon body respectively extend into the connecting sleeve; the upper tenon body and the lower tenon body are inserted into the connecting sleeve, and the concrete upper column or the concrete lower column is connected with the splicing node in a tenon manner, so that the effective transmission of the shearing force and the axial force at the splicing node of the concrete column is realized; the splicing joint is simple in structure, dry-type connection is adopted, wet operation is not needed, construction is accelerated, the construction period is greatly shortened, industrial popularization and production are facilitated, and the production efficiency of prefabricated parts can be improved.
Description
Technical Field
The utility model belongs to the technical field of concrete members, and particularly relates to a prefabricated reinforced concrete splicing column.
Background
In the existing assembly type frame mechanism, the problems of concrete pouring compactness, inconvenience in steel bar connection and the like caused by complex beam column arrangement in a beam column node steel bar core area cannot be ignored; meanwhile, the prefabricated reinforced concrete splicing node is a key in the assembled frame structure, and the splicing node is often an anti-seismic weak position of the assembled structure; at present, most of the post-cast strip is reserved for connection, so that the construction period is long, and the wet operation amount is large.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides a prefabricated reinforced concrete splicing column, which aims to solve the technical problems that existing concrete splicing nodes are mostly connected in a mode of reserving a post-pouring zone, the construction period is long, and the wet operation amount is large.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a prefabricated reinforced concrete splicing column which comprises a concrete upper column, a concrete lower column and splicing nodes, wherein the concrete upper column is provided with a plurality of steel bars; the lower end of the concrete upper column is connected with the upper end of the splicing node, and the upper end of the concrete lower column is connected with the lower end of the splicing node; the splicing node comprises an upper web plate, a connecting sleeve and a lower web plate; the upper web plate and the lower web plate are arranged in parallel at an interval from top to bottom, and the connecting sleeve is arranged between the upper web plate and the lower web plate;
the lower end of the concrete upper column is provided with an upper tenon body, and the outer side of the upper tenon body is sleeved with an upper web plate; the upper side of the upper web plate is fixedly connected with the lower end of the concrete upper column, and the lower side of the upper web plate is fixedly connected with the upper end of the connecting sleeve; the upper end of the concrete lower column is provided with a lower tenon body, and the lower web plate is sleeved outside the lower tenon body; the lower side of the lower web plate is fixedly connected with the upper end of the concrete lower column, and the upper side of the lower web plate is fixedly connected with the lower end of the connecting sleeve; the upper tenon body and the lower tenon body respectively extend into the connecting sleeve.
Furthermore, the splicing node also comprises an angular rib plate and a middle rib plate; the corner of the connecting sleeve is provided with a corner rib plate, the upper end of the corner rib plate is connected with the upper web, and the lower end of the corner rib plate is connected with the lower web; a middle rib plate is arranged between every two adjacent corner rib plates, and the side edge of the middle rib plate is fixedly connected with the side wall of the connecting sleeve; the upper end of the middle rib plate is connected with the upper web plate, and the lower end of the middle rib plate is connected with the lower web plate.
Further, the concrete upper column comprises an upper column body, an upper end plate and an upper column steel sleeve; the upper tenon body is arranged in the middle of the lower end of the upper column body, and the upper end plate is fixedly arranged at the lower end of the upper column body and is fixedly connected with the upper web; the upper column steel sleeve covers the outer side of the upper tenon body, the upper end of the upper column steel sleeve is fixedly connected with the upper end plate, and the lower end of the upper column steel sleeve extends into the connecting sleeve.
Furthermore, the concrete upper column also comprises an internal upper column steel sleeve; the built-in upper column steel sleeve is arranged at the lower end of the upper column body, the built-in upper column steel sleeve is wrapped in concrete of the upper column body, and longitudinal ribs in the upper column body are fixedly connected with the built-in upper column steel sleeve respectively.
Furthermore, the lower ends of the longitudinal ribs in the upper column body sequentially penetrate through the upper end plate and the upper web plate, and the longitudinal ribs, the upper end plate and the upper web plate in the upper column body are fixedly connected together through bolts.
Furthermore, an upper column embedded section steel is arranged in the upper tenon body, the upper end of the upper column embedded section steel extends into the concrete upper column, and the lower end of the upper column embedded section steel is flush with the lower end of the upper tenon body; be provided with the pre-buried shaped steel of lower prop in the lower tenon body, the lower extreme of the pre-buried shaped steel of lower prop extends to the concrete lower prop in, the upper end is parallel and level with the upper end of lower tenon body.
Further, the concrete lower column comprises a lower column body, a lower end plate and a lower column steel sleeve, and the lower tenon body is arranged in the middle of the upper end of the lower column body; the lower end plate is fixedly arranged at the lower end of the lower column body and is fixedly connected with the lower web plate; the lower column steel sleeve covers the outer side of the lower tenon body, the lower end of the lower column steel sleeve is fixedly connected with the lower end plate, and the upper end of the lower column steel sleeve extends into the connecting sleeve.
Further, the concrete lower column also comprises a steel sleeve of the built-in lower column; the built-in lower column steel sleeve is arranged at the upper end of the lower column body, the built-in lower column steel sleeve is wrapped in concrete of the lower column body, and longitudinal ribs in the lower column body are fixedly connected with the built-in upper column steel sleeve respectively.
Furthermore, the lower ends of the longitudinal ribs in the lower column body sequentially penetrate through the lower end plate and the lower web plate, and the longitudinal ribs, the lower end plate and the lower web plate in the lower column body are fixedly connected together through bolts.
Furthermore, the splicing nodes are arranged at the positions 1-1.2m away from the column bottom.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a prefabricated reinforced concrete splicing column, which is characterized in that an upper tenon body is arranged at the lower end of a concrete upper column, a lower tenon body is arranged at the upper end of a concrete lower column, the upper tenon body and the lower tenon body are respectively inserted into a connecting sleeve, and the concrete upper column or the concrete lower column is in tenon type connection with a splicing node, so that the effective transmission of shearing force and axial force at the splicing node of the concrete column is realized; the splicing joint is simple in structure, dry-type connection is adopted, wet operation is not needed, construction is accelerated, the construction period is greatly shortened, industrial popularization and production are facilitated, and the production efficiency of prefabricated parts can be improved.
Furthermore, the corner rib plates are arranged at the corners of the connecting sleeves, and the middle rib plates are arranged in the middle of the side walls of the connecting sleeves, so that the rigidity and the strength of the splicing nodes are effectively improved, and the stability of the concrete splicing column is ensured.
Furthermore, the built-in upper column steel sleeve is arranged on the concrete upper column, the built-in lower column steel sleeve is arranged on the concrete lower column, and longitudinal bars in the concrete column are positioned by the aid of the built-in steel sleeves, so that the longitudinal bars are prevented from being deviated in the concrete pouring process.
Furthermore, the longitudinal ribs in the concrete upper column sequentially penetrate through the upper end plate and the upper web plate and are fixed through the bolts, and the connection of the longitudinal ribs in the concrete lower column, the upper end plate and the upper web plate is utilized, so that the bending moment of the concrete upper column is effectively transmitted to the splicing node.
Furthermore, the longitudinal ribs in the concrete lower column sequentially penetrate through the lower end plate and the lower web plate and are fixed through the bolts, and the connection of the longitudinal ribs in the concrete upper column, the lower end plate and the lower web plate is utilized, so that the bending moment of the concrete lower column is effectively transmitted to the splicing node.
Furthermore, the embedded profile steel is arranged in the upper tenon body or the lower tenon body, so that the rigidity of the upper tenon body or the lower tenon body is effectively improved, and the transmission effect of the shearing force and the axial force at the splicing joint of the concrete column is improved.
Furthermore, the splicing node is arranged at a position 1-1.2m away from the column bottom, so that the field installation construction and maintenance are facilitated; meanwhile, the joint is arranged at the reverse bending point of the splicing column, so that the stress of the joint is small, and the durability of the splicing column is improved.
According to the prefabricated reinforced concrete splicing column, the splicing nodes are arranged in the column close to the reverse bending points, so that the prefabricated reinforced concrete splicing column is low in stress and simple in structure, and is beneficial to acceleration of construction; meanwhile, the splicing node structures form a unity, the industrialized popularization and production are facilitated, and the production efficiency of the prefabricated part is effectively improved.
Drawings
FIG. 1 is an exploded view of a prefabricated reinforced concrete spliced column according to the present invention;
FIG. 2 is a side view of a prefabricated reinforced concrete spliced column according to the present invention;
fig. 3 is a cross-sectional view of the prefabricated reinforced concrete splicing column according to the present invention.
Wherein, 1 concrete upper column, 2 concrete lower column, 3 splice joint; 11, an upper column body, 12, an upper end plate and 13, an upper column steel sleeve; 21 lower column body, 22 lower end plate, 23 lower column steel sleeve; 101 an upper tenon body and 201 a lower tenon body; 31 upper web, 32 connecting sleeve, 33 lower web, 34 corner rib, 35 middle rib.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following embodiments further describe the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in the attached drawings 1-3, the utility model provides a prefabricated reinforced concrete splicing column, which comprises a concrete upper column 1, a concrete lower column 2 and a splicing node 3; the lower end of the concrete upper column 1 is fixedly connected with the upper end of the splicing node 3, and the upper end of the concrete lower column 2 is connected with the lower end of the splicing node 3; the lower end of the concrete upper column 1 is provided with an upper tenon body 101, the upper end of the concrete lower column 2 is provided with a lower tenon body 201, the upper tenon body 101 is fixedly inserted in the upper end of the splicing node 3, and the lower tenon body 201 is fixedly inserted in the lower end of the splicing node 3; according to the utility model, the upper tenon body 101 and the lower tenon body 201 are inserted into the splicing node 3, and the concrete upper column 1 or the concrete lower column 2 is in tenon type connection with the splicing node 3, so that the effective transmission of the shearing force and the axial force at the splicing node of the concrete column is realized.
The concrete upper column 1 comprises an upper column body 11, an upper end plate 12, an upper column steel sleeve 13 and a built-in upper column steel sleeve, wherein an upper tenon body 101 is arranged in the middle of the lower end of the upper column body 11, and the upper end plate 12 is fixedly arranged at the lower end of the upper column body 11 and sleeved outside the upper tenon body 101; the upper column steel sleeve 13 covers the outer side of the upper tenon body 101, the upper end of the upper column steel sleeve 13 is fixedly connected with the upper end plate 12, and the lower end of the upper column steel sleeve 13 extends into the splicing node 3; the built-in upper column steel sleeve is arranged at the lower end of the upper column body 11, the built-in upper column steel sleeve is wrapped in concrete of the upper column body 11, and longitudinal ribs in the upper column body 11 are fixedly connected with the built-in upper column steel sleeve respectively.
The concrete lower column 2 comprises a lower column body 21, a lower end plate 22, a lower column steel sleeve 23 and a built-in lower column steel sleeve, wherein the lower tenon body 201 is arranged in the middle of the upper end of the lower column body 21, and the lower end plate 22 is fixedly arranged at the upper end of the lower column body 21 and sleeved outside the lower tenon body 201; the lower column steel sleeve 23 covers the outer side of the lower tenon body 201, the lower end of the lower column steel sleeve 23 is fixedly connected with the lower end plate 22, and the upper end of the lower column steel sleeve 23 extends into the splicing node 3; the built-in lower column steel sleeve is arranged at the lower end of the lower column body 21, the built-in lower column steel sleeve is wrapped in concrete of the lower column body 21, and longitudinal ribs in the lower column body 21 are fixedly connected with the built-in upper column steel sleeve respectively.
In the utility model, the built-in upper column steel sleeve is arranged in the upper column body 11, the built-in lower column steel sleeve is arranged in the lower column body 21, and the longitudinal bar in the upper column body 11 and the built-in upper column steel sleeve are welded and fixed, so that the effective positioning of the longitudinal bar is realized, and the longitudinal bar is prevented from deviating in the concrete pouring process.
The splicing node 3 comprises an upper web plate 31, a connecting sleeve 32, a lower web plate 33, an angular rib plate 34 and a middle rib plate 35, wherein the upper web plate 31 and the lower web plate 33 are arranged in parallel at an interval from top to bottom, and the connecting sleeve 32 is arranged between the upper web plate 31 and the lower web plate 33; the upper web plate 31 is sleeved outside the upper tenon body 101, the upper side of the upper web plate 31 is fixedly connected with the upper end plate 12, and the lower side of the upper web plate 31 is fixedly connected with the upper end of the connecting sleeve 32; the lower web plate 33 is sleeved outside the lower tenon body 201, the lower side of the lower web plate 33 is fixedly connected with the lower end plate 22, and the upper side of the lower web plate is fixedly connected with the lower end of the connecting sleeve 32; an angular rib plate 34 is arranged at the corner of the connecting sleeve 32, the upper end of the angular rib plate 34 is welded and fixed with the upper web plate 31, the lower end of the angular rib plate 34 is welded and fixed with the lower web plate 33, and the side elevation of the angular rib plate 34 is welded and fixed with the side wall of the connecting sleeve 32; a middle rib plate 35 is arranged between two adjacent corner rib plates 34, and the side edge of the middle rib plate 35 is welded and fixed with the side wall of the connecting sleeve 32; the upper end of the middle rib plate 35 is welded and fixed with the upper web plate 31, and the lower end is welded and fixed with the lower web plate 33; preferably, the angular rib plates 34 are angle steels, and the middle rib plate 35 is of a U-shaped steel structure.
In the utility model, the upper tenon body 101 is provided with upper column embedded section steel, the upper end of the upper column embedded section steel extends into the upper column body 11, and the lower end of the upper column embedded section steel is flush with the lower end of the upper tenon body 101 and is welded and fixed with the upper column steel sleeve 13; lower column embedded section steel is arranged in the lower tenon body 201, the lower end of the lower column embedded section steel extends into the lower column body 21, and the upper end of the lower column embedded section steel is flush with the lower end of the lower tenon body 201 and is welded and fixed with the lower column steel sleeve 23; by arranging the upper column embedded section steel in the upper tenon body 101 and the lower column embedded section steel in the lower tenon body 201, the rigidity of the upper tenon body 101 and the rigidity of the lower tenon body 201 are effectively improved, and the effectiveness of shear force and axial force transmission between the concrete upper column 1 or the concrete lower column 2 and a splicing node is improved; preferably, the upper column embedded section steel or the lower column embedded section steel both adopt I-shaped steel structures.
In the utility model, a plurality of upper column longitudinal rib through holes are uniformly formed in the upper end plate 12, a plurality of upper column longitudinal rib positioning holes are uniformly formed in the upper web plate 31, and the upper column longitudinal rib through holes and the upper column longitudinal rib positioning holes are arranged in a one-to-one correspondence manner; the lower ends of the longitudinal ribs in the upper column body 11 are exposed, the exposed ends are provided with rolling straight threads, the lower ends of the longitudinal ribs in the upper column body 11 sequentially penetrate through the longitudinal rib pipe through holes in the upper end plate 12 and the upper column longitudinal rib positioning holes in the upper web plate 31 and are fixed by bolts; longitudinal ribs in the upper column body 11 sequentially penetrate through the upper end plate and the upper web plate and are fixed through bolts, so that the bending moment transmission between the concrete upper column 1 and the splicing node 3 is ensured; a plurality of upper column fixing holes are correspondingly formed in the upper end plate 12 and the upper web plate 31, embedded bolts are arranged at the lower end of the upper column body 11 and sequentially penetrate through the upper column fixing holes in the upper end plate 12 and the upper web plate 31, and the upper end plate 12, the upper web plate 31 and the upper column body 11 are fixedly connected together through the embedded bolts.
A plurality of lower column longitudinal rib through holes are uniformly formed in the lower end plate 22, a plurality of lower column longitudinal rib positioning holes are uniformly formed in the lower web plate 33, and the lower column longitudinal rib through holes and the lower column longitudinal rib positioning holes are arranged in a one-to-one correspondence manner; the upper ends of the longitudinal ribs in the lower column body 21 are exposed, the exposed ends are provided with rolling straight threads, and the lower ends of the longitudinal ribs in the lower column body 21 sequentially penetrate through the lower column longitudinal rib through holes in the lower end plate 22 and the lower column longitudinal rib positioning holes in the lower web plate 33 and are fixed by bolts; longitudinal ribs in the lower column body 21 sequentially penetrate through the lower end plate and the lower web plate and are fixed through bolts, so that the bending moment transmission between the concrete lower column 2 and the splicing node 3 is ensured; a plurality of lower column fixing holes are correspondingly formed in the lower end plate 22 and the lower web plate 33, embedded bolts are arranged at the upper end of the lower column body 21 and sequentially penetrate through the lower column fixing holes in the lower web plate 33 and the lower column fixing holes in the lower end plate 22, and the lower end plate 22, the lower web plate 33 and the lower column body 21 are fixedly connected together through the embedded bolts.
According to the utility model, the splicing node 3 is arranged at the reverse bending point of the splicing column, and the stress at the reverse bending point is smaller; preferably, the splicing node is arranged 1-1.2m away from the column bottom, so that the on-site construction installation and the later maintenance are facilitated.
The construction process comprises the following steps:
the utility model relates to a construction process of a prefabricated reinforced concrete splicing column, which comprises the following steps:
Wherein, the concrete upper column 1 manufacture process includes: firstly, manufacturing an upper column steel bar cage, manufacturing rolled straight threads at the end heads of longitudinal bars, welding and connecting the upper column steel bar cage with the longitudinal bars through an internal upper column steel sleeve, welding and connecting the upper column steel sleeve with embedded I-shaped steel, and welding and connecting an upper end plate with the upper column steel sleeve; then erecting a mold and pouring concrete to obtain the concrete upper column 1; the manufacturing process of the concrete lower column 2 is the same as that of the concrete upper column 1, and the details are not repeated here; the splicing node is manufactured, for example: respectively manufacturing positioning holes in the connecting sleeve, the upper web plate and the lower web plate; and welding the lower web plate and the connecting steel sleeve, and welding the upper web plate and the connecting steel sleeve to obtain the splicing node.
And 2, installing the splicing node 3 at the upper end of the concrete upper column 1, ensuring that a lower column longitudinal rib positioning hole on the lower web is matched with a longitudinal rib in the lower column body 21 and fixedly connecting the lower column longitudinal rib positioning hole with the longitudinal rib through a bolt.
The prefabricated reinforced concrete splicing column comprises a concrete upper column, a concrete lower column and splicing nodes, wherein bending moment is transmitted between the concrete upper column and the concrete lower column to the splicing nodes through longitudinal ribs, and shearing force and partial axial force are transmitted through connection of upper and lower tenon bodies and a connecting sleeve; the built-in upper column steel sleeve is arranged in the upper column body, the built-in lower column steel sleeve is arranged in the lower column body, the longitudinal ribs in the upper column body and the built-in upper column steel sleeve are welded and fixed respectively, and the longitudinal ribs in the lower column body and the built-in lower column steel sleeve are welded and fixed, so that the longitudinal ribs are effectively positioned, and the longitudinal ribs are prevented from deviating in the concrete pouring process; the longitudinal ribs in the concrete column are exposed, the exposed ends of the longitudinal ribs are processed with rolling straight threads, and the longitudinal ribs are connected with the splicing nodes through bolts, so that the effective transmission of the bending moment of the nodes is realized; the concrete upper column and the concrete lower column are in tenon type connection through the splicing joints, and the effect of transferring shearing force and partial axial force is achieved.
The above-described embodiment is only one of the embodiments that can implement the technical solution of the present invention, and the scope of the present invention is not limited by the embodiment, but includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed.
Claims (10)
1. The prefabricated reinforced concrete splicing column is characterized by comprising a concrete upper column (1), a concrete lower column (2) and splicing nodes (3); the lower end of the concrete upper column (1) is connected with the upper end of the splicing node (3), and the upper end of the concrete lower column (2) is connected with the lower end of the splicing node (3); the splicing node (3) comprises an upper web plate (31), a connecting sleeve (32) and a lower web plate (33); the upper web plate (31) and the lower web plate (33) are arranged in parallel at intervals up and down, and the connecting sleeve (32) is arranged between the upper web plate (31) and the lower web plate (33);
the lower end of the concrete upper column (1) is provided with an upper tenon body (101), and the upper web plate (31) is sleeved on the outer side of the upper tenon body (101); the upper side of the upper web plate (31) is fixedly connected with the lower end of the concrete upper column (1), and the lower side of the upper web plate is fixedly connected with the upper end of the connecting sleeve (32); the upper end of the concrete lower column (2) is provided with a lower tenon body (201), and a lower web plate (33) is sleeved outside the lower tenon body (201); the lower side of the lower web plate (33) is fixedly connected with the upper end of the concrete lower column (2), and the upper side of the lower web plate is fixedly connected with the lower end of the connecting sleeve (32); the upper tenon body (101) and the lower tenon body (201) respectively extend into the connecting sleeve (32).
2. The prefabricated reinforced concrete splicing column according to claim 1, wherein the splicing node (3) further comprises an angular rib plate (34) and a middle rib plate (35); an angular rib plate (34) is arranged at the corner of the connecting sleeve (32), the upper end of the angular rib plate (34) is connected with the upper web plate (31), and the lower end of the angular rib plate is connected with the lower web plate (33); a middle rib plate (35) is arranged between two adjacent corner rib plates (34), and the side edge of the middle rib plate (35) is fixedly connected with the side wall of the connecting sleeve (32); the upper end of the middle rib plate (35) is connected with the upper web plate (31), and the lower end is connected with the lower web plate (33).
3. The prefabricated reinforced concrete splicing column as claimed in claim 1, wherein the concrete upper column (1) comprises an upper column body (11), an upper end plate (12) and an upper column steel sleeve (13); the upper tenon body (101) is arranged in the middle of the lower end of the upper column body (11), and the upper end plate (12) is fixedly arranged at the lower end of the upper column body (11) and is fixedly connected with the upper web plate (31); the upper column steel sleeve (13) covers the outer side of the upper tenon body (101), the upper end of the upper column steel sleeve (13) is fixedly connected with the upper end plate (12), and the lower end of the upper column steel sleeve extends into the connecting sleeve (32).
4. A prefabricated reinforced concrete spliced pole as claimed in claim 3, wherein the concrete upper pole (1) further comprises an internal upper pole steel sleeve; the built-in upper column steel sleeve is arranged at the lower end of the upper column body (11), the built-in upper column steel sleeve is wrapped in concrete of the upper column body (11), and longitudinal ribs in the upper column body (11) are fixedly connected with the built-in upper column steel sleeve respectively.
5. The prefabricated reinforced concrete splicing column as claimed in claim 3, wherein the lower ends of the longitudinal bars in the upper column body (11) are sequentially arranged through the upper end plate (12) and the upper web (31), and the longitudinal bars in the upper column body (11), the upper end plate (12) and the upper web (31) are fixedly connected together through bolts.
6. The prefabricated reinforced concrete splicing column as claimed in claim 1, wherein upper column embedded section steel is arranged in the upper tenon body (101), the upper end of the upper column embedded section steel extends into the concrete upper column (1), and the lower end of the upper column embedded section steel is flush with the lower end of the upper tenon body (101); be provided with the pre-buried shaped steel of lower prop in lower tenon body (201), the lower extreme of the pre-buried shaped steel of lower prop extends to concrete lower prop (2), the upper end and the upper end parallel and level of lower tenon body (201).
7. The prefabricated reinforced concrete spliced pole as claimed in claim 1, wherein the concrete lower pole (2) comprises a lower pole body (21), a lower end plate (22) and a lower pole steel sleeve (23), and the lower tenon body (201) is arranged in the middle of the upper end of the lower pole body (21); the lower end plate (22) is fixedly arranged at the lower end of the lower column body (21) and is fixedly connected with the lower web plate (33); the lower column steel sleeve (23) covers the outer side of the lower tenon body (201), the lower end of the lower column steel sleeve (23) is fixedly connected with the lower end plate (22), and the upper end of the lower column steel sleeve extends into the connecting sleeve (32).
8. The prefabricated reinforced concrete spliced column as claimed in claim 7, wherein the concrete lower column (2) further comprises an internal lower column steel sleeve; the built-in lower column steel sleeve is arranged at the upper end of the lower column body (21), the built-in lower column steel sleeve is wrapped in concrete of the lower column body (21), and longitudinal ribs in the lower column body (21) are fixedly connected with the built-in upper column steel sleeve respectively.
9. The prefabricated reinforced concrete splicing column as claimed in claim 7, wherein the lower ends of the longitudinal bars in the lower column body (21) are sequentially arranged through the lower end plate (22) and the lower web (33), and the longitudinal bars in the lower column body (21), the lower end plate (22) and the lower web (33) are fixedly connected together by bolts.
10. A prefabricated reinforced concrete splicing column according to claim 1, characterized in that the splicing nodes (3) are arranged at a height of 1-1.2m from the column bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923816.7U CN215406929U (en) | 2021-04-29 | 2021-04-29 | Prefabricated reinforced concrete splicing column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923816.7U CN215406929U (en) | 2021-04-29 | 2021-04-29 | Prefabricated reinforced concrete splicing column |
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| CN215406929U true CN215406929U (en) | 2022-01-04 |
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| CN202120923816.7U Active CN215406929U (en) | 2021-04-29 | 2021-04-29 | Prefabricated reinforced concrete splicing column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324200A (en) * | 2022-08-31 | 2022-11-11 | 长安大学 | Dry-type connecting structure between reinforced concrete columns and bearing capacity calculating method |
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2021
- 2021-04-29 CN CN202120923816.7U patent/CN215406929U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324200A (en) * | 2022-08-31 | 2022-11-11 | 长安大学 | Dry-type connecting structure between reinforced concrete columns and bearing capacity calculating method |
| CN115324200B (en) * | 2022-08-31 | 2024-01-16 | 长安大学 | Dry-type connection structure between reinforced concrete columns and bearing capacity calculation method |
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