CN211143502U - Prefabricated column containing corrugated pipe and frame structure thereof - Google Patents
Prefabricated column containing corrugated pipe and frame structure thereof Download PDFInfo
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- CN211143502U CN211143502U CN201922012033.9U CN201922012033U CN211143502U CN 211143502 U CN211143502 U CN 211143502U CN 201922012033 U CN201922012033 U CN 201922012033U CN 211143502 U CN211143502 U CN 211143502U
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Abstract
A prefabricated column containing corrugated pipes and a frame structure thereof are provided, wherein the prefabricated column comprises a column main body; the column main body is of a reinforced concrete structure, and a steel reinforcement framework is arranged in the column main body; the steel bar framework comprises erecting steel bars and stirrups; the erection steel bars are provided with a group and are arranged at intervals along the outer side surface of the column main body; the stirrups are provided with a group and are hooped outside the group of erection steel bars at intervals along the vertical direction; transverse steel bars and longitudinal steel bars are arranged in the erection steel bars; a corrugated pipe is embedded in the through length of the column main body; the corrugated pipe is penetrated with a stressed steel bar; the upper end of the stressed steel bar exceeds the top of the column main body, and the lower end of the stressed steel bar is positioned below the bottom of the column main body; the corrugated pipe is also filled with pore slurry. The utility model discloses it is big, the required precision of connected node to the reinforcing bar counterpoint to solve traditional prefabricated post quality is high, and the construction degree of difficulty is big, and seam grout technology is complicated, and construction quality controllability is poor and frame construction's shear resistance and anti-seismic performance receive the great technical problem of connected node's influence.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to a prefabricated post that contains bellows and frame construction thereof.
Background
At present, China is popularizing and assembling integral concrete buildings, and the existing assembling integral frame building is complex in node connection, heavy in prefabricated column weight and high in economic cost. The common horizontal abutted seam connection mode of the fabricated frame structure mainly comprises sleeve grouting connection, bolt connection and the like, wherein the most widely applied fabricated frame of the sleeve grouting connection.
The sleeve is connected in a grouting mode, a grouting sleeve is reserved at the bottom of the column, reinforcing steel bars are inserted into the grouting sleeve after the grouting sleeve is transported to the site, and special grouting materials are poured into the grouting sleeve.
And (3) connecting slurry anchors, reserving holes at the bottoms of the columns, enabling the column reinforcing steel bars of the next layer to extend upwards and extend into the reserved holes of the prefabricated columns of the upper layer, and grouting the holes at the bottoms of the prefabricated columns of the upper layer downwards.
And (4) bolt connection, wherein bolt holes are reserved at the bottoms of the columns, and nuts are installed after the overhanging steel bars of the next layer of columns are aligned to the bolt holes at the bottoms of the upper layer of columns. The bearing capacity of the column bottom connected by the bolts is low, and certain influence is exerted on the shearing resistance and the seismic resistance of the frame structure.
The hollow of the Japanese prefabricated hollow column is manufactured by a core-pulling pore-forming process, and is mostly formed in a rectangular or square shape; the prior prefabricated hollow columns in China all adopt the idea of Japanese products. The hole wall is comparatively smooth after the core pulling pore-forming, and the new and old concrete has poorer bonding performance. And the core-pulling hole-forming cost is high, and large-area popularization and application are difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated post that contains bellows and frame construction thereof solves that traditional prefabricated post quality is big, the required precision of junctor node to the reinforcing bar counterpoint is high, and the construction degree of difficulty is big, and seam grout technology is complicated, and construction quality controllability is poor and frame construction's shear resistance and anti-seismic performance receive the great technical problem of junctor's influence.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A prefabricated column containing corrugated pipes comprises a column main body; the column main body is of a reinforced concrete structure; a steel bar framework is arranged in the column main body; the steel bar framework comprises erecting steel bars and stirrups; the erection steel bars are provided with a group and are arranged at intervals along the outer side surface of the column main body; the hooping is provided with a group of hooping which is hooped outside the group of erection steel bars at intervals along the vertical direction; transverse steel bars and longitudinal steel bars are arranged in the erection steel bars to divide the internal space of the steel bar framework into a group of cells; a corrugated pipe is embedded in the column main body and positioned in the cell along the whole length of the vertical shaft of the column main body; a stressed steel bar penetrates through the corrugated pipe; the upper end of the stressed steel bar exceeds the top of the column main body, and the lower end of the stressed steel bar is positioned below the bottom of the column main body; pore slurry is filled in the corrugated pipe; the stressed steel bars are poured into the pore canal slurry.
Preferably, the horizontal section of the corrugated pipe is circular, elliptical or rectangular; the corrugated pipe is made of metal corrugated pipes or plastic corrugated pipes.
A frame structure based on prefabricated columns comprises frame columns, frame beams and floor slabs; the frame columns comprise a group of prefabricated columns which are arranged at intervals along the vertical direction, and the distance between every two adjacent prefabricated columns is equal to the sum of the thicknesses of the frame beams and the floor slabs;
the frame beam is arranged on the top of the lower prefabricated column; the floor slab is laid on the frame beam, and the side edge of the floor slab is flush with the end part of the corresponding side of the frame beam; the stress steel bars on the lower layer fully or partially extend into the corrugated pipe on the upper layer and are connected or welded with the stress steel bars on the upper layer through connecting sleeves; a node concrete layer is filled in a node area formed by enclosing the prefabricated columns, the frame beams and the floor slab on the lower layer; the top surface of the node concrete layer is flush with the top surface of the floor slab; and a joint slurry layer is arranged between the top surface of the node concrete layer and the prefabricated column on the upper layer.
Preferably, each group of the stressed steel bars is arranged in each corrugated pipe, and each group of the stressed steel bars is fixed into a bundle through a connecting piece; the connecting pieces are arranged in a group and are arranged at intervals along the vertical direction; the connecting piece is made of steel bars or steel wires.
Preferably, a reinforcing rib is further arranged in the corrugated pipe of the prefabricated column; the upper end of the reinforcing rib extends into the corrugated pipe on the upper layer, and the lower end of the reinforcing rib exceeds the bottom surface of the prefabricated column and is poured in the node concrete layer.
Preferably, the side surface of the prefabricated column and the position corresponding to the connecting sleeve are provided with mounting grooves; mounting holes are formed in the side wall of the corrugated pipe and correspond to the corrugated pipe; the mounting groove is communicated with the pore passage in the corrugated pipe.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. In the prefabricated column containing the corrugated pipe, the upper prefabricated column and the lower prefabricated column are connected through the stress steel bars and the connecting sleeves, so that the overall anti-seismic performance of the fabricated building is good; the vertical through hole is formed in the prefabricated column through the corrugated pipe, the concrete of the prefabricated column and the pore slurry are tightly connected, the prefabricated part and the post-cast part can form a unified whole, and the connection firmness is far superior to that of a connection mode that cast-in-place concrete is in direct contact with the prefabricated concrete.
2. The prefabricated column in the utility model is provided with the corrugated pipe in the steel reinforcement framework, the vertical through hole is directly reserved and formed, the manufacturing process is simple and easy to operate, the processing efficiency is high, and the construction quality controllability of the prefabricated template is strong; due to the addition of the corrugated pipe, the weight of the prefabricated column can be reduced, and transportation and hoisting are facilitated; in addition, the stressed steel bars in the prefabricated column of the utility model are arranged in the vertical through holes and connected in the corrugated pipe; when the structure is used for construction, the connection of the upper layer stressed steel bar and the lower layer stressed steel bar can be carried out before the hoisting of the upper layer prefabricated column, and the upper layer prefabricated column is sleeved outside the upper layer stressed steel bar after the connection is finished, so that the construction convenience of the connection node is greatly improved.
3. The construction method of the frame structure of the utility model has high prefabrication rate, saves templates and greatly reduces the workload of cast-in-place construction on a construction site; the construction method is convenient and efficient, the working procedures are simple, the operation difficulty is low, the position is corrected, the connecting piece is placed, and the slurry is poured to finish the connecting construction, so that the time and the labor are saved, the construction efficiency is greatly improved, and the construction quality is high in controllability; the corrugated pipes in the prefabricated columns can flexibly adjust the arranged positions and the number according to the size and the actual construction condition of the prefabricated columns, and the prefabricated columns are convenient and flexible to manufacture; and the pore slurry can be directly poured from the upper part of the corrugated pipe, so that the working procedure of the grouting process is greatly simplified, the grouting time is saved, the grouting difficulty is reduced, and the grouting quality can be effectively controlled and ensured.
4. The utility model adopts the mode of combining the through connection with the traditional node connection, the connection of the stressed steel bars on the upper layer and the lower layer is carried out in the corrugated pipe on the upper layer, and the corrugated pipe is also provided with a reinforcing rib; the upper end of the reinforcing rib extends into the corrugated pipe on the upper layer, the lower end of the reinforcing rib exceeds the bottom surface of the prefabricated column and is poured in the node concrete layer, and the structural design greatly enhances the connection firmness and the shear strength of the horizontal connection node.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the bellows provided in the center pillar body of the present invention.
Fig. 2 is a schematic view of the horizontal section structure of the middle prefabricated column of the present invention when the horizontal section is circular.
Fig. 3 is a schematic view of the horizontal section structure of the middle prefabricated column of the present invention when the horizontal section is rectangular.
Fig. 4 the utility model discloses well node structure between prefabricated post and the beam slab sketch map.
Fig. 5 in the construction method of the present invention, the stress steel bars of the lower layer all extend into the upper corrugated pipe in the eighth step, and the connection is completed.
Fig. 6 in the construction method of the present invention, the stress reinforcement of the lower layer in the step eight extends into the upper corrugated pipe, and the connection is completed.
Fig. 7 is a schematic structural view of the corrugated pipe after a set of stressed steel bars are connected by the connecting piece.
Fig. 8 is a schematic structural diagram of the construction method of the present invention after the step ten construction is completed.
Fig. 9 is a schematic structural diagram of the construction method of the present invention after the construction is completed in step eleven.
Fig. 10 is a schematic structural view of the frame structure of the present invention, wherein the mounting groove is formed on the side surface of the prefabricated column and at the position corresponding to the connecting sleeve.
Fig. 11 is a schematic structural diagram of the frame structure of the present invention, in which the corrugated tube of the prefabricated column is provided with a reinforcing rib.
Reference numerals: 1-prefabricated column, 1.1-column main body, 1.2-corrugated pipe, 1.3-steel reinforcement framework, 1.3.1-erection steel reinforcement, 1.3.2-stirrup, 1.4-longitudinal steel reinforcement, 1.5-unit lattice, 1.6-transverse steel reinforcement, 2-connecting piece, 3-joint slurry layer, 4-reinforcing rib, 5-connecting sleeve, 6-frame beam, 7-floor slab, 8-stress steel reinforcement, 9-node concrete layer, 10-pore slurry, 11-mounting groove, 12-mounting hole and 13-inclined strut.
Detailed Description
As shown in fig. 1-11, the prefabricated column containing corrugated tubes comprises a column body 1.1; the column main body 1.1 is of a reinforced concrete structure; a steel reinforcement framework 1.3 is arranged in the column main body 1.1; the steel bar framework 1.3 comprises erecting steel bars 1.3.1 and stirrups 1.3.2; the erection steel bars 1.3.1 are provided with a group and are arranged at intervals along the outer side surface of the column main body 1.1; the stirrups 1.3.2 are provided with a group and are hooped outside the group of erection steel bars 1.3.1 at intervals along the vertical direction; transverse steel bars 1.6 and longitudinal steel bars 1.4 are arranged in the erection steel bars 1.3.1 to divide the internal space of the steel bar framework 1.3 into a group of unit lattices 1.5; a corrugated pipe 1.2 is embedded in the column main body 1.1 and positioned in the cell 1.5 along the whole length of the vertical axis of the column main body 1.1; a stressed steel bar 8 penetrates through the corrugated pipe 1.2; the upper end of the stressed steel bar 8 exceeds the top of the column main body 1.1, and the lower end of the stressed steel bar 8 is positioned below the bottom of the column main body 1.1; pore slurry 10 is filled in the corrugated pipe 1.2; the stressed steel bars 8 are poured into the pore canal slurry 10.
In this embodiment, the horizontal section of the column body 1.1 is circular, elliptical or rectangular.
In this embodiment, the horizontal section of the corrugated pipe 1.2 is circular, elliptical or rectangular; the corrugated pipe 1.2 is made of metal corrugated pipe or plastic corrugated pipe.
The frame structure containing the prefabricated columns comprises frame columns, frame beams 6 and floor slabs 7; the method is characterized in that: the frame columns comprise a group of prefabricated columns 1 which are arranged at intervals in the vertical direction, and the distance between every two adjacent prefabricated columns 1 is equal to the sum of the thicknesses of the frame beams 6 and the floor slabs 7;
the frame beam 6 is arranged at the top of the lower prefabricated column 1; the floor slab 7 is laid on the frame beam 6, and the side edge of the floor slab 7 is flush with the end part of the corresponding side of the frame beam 6; the stress steel bars 8 on the lower layer fully or partially extend into the corrugated pipe 1.2 on the upper layer and are connected or welded with the stress steel bars 8 on the upper layer through the connecting sleeves 5; a node concrete layer 9 is filled in a node area formed by enclosing the lower prefabricated column 1, the frame beam 6 and the floor slab 7; the top surface of the node concrete layer 9 is flush with the top surface of the floor slab 7; a joint slurry layer 3 is arranged between the top surface of the node concrete layer 9 and the prefabricated column 1 on the upper layer.
In this embodiment, when the stressed steel bars 8 of the lower layer partially extend into the corrugated pipe 1.2 of the upper layer, the rest stressed steel bars 8 are anchored in the joint concrete layer 9.
In this embodiment, each group of the stressed steel bars 8 is arranged in each corrugated pipe 1.2, and each group of the stressed steel bars 8 is fixed into a bundle through the connecting piece 2; the connecting pieces 2 are provided with a group and are arranged at intervals along the vertical direction; the connecting piece 2 is made of steel bars or steel wires.
In this embodiment, the corrugated pipe 1.2 of the prefabricated column 1 is further provided with a reinforcing rib 4; the upper end of the reinforcing rib 4 extends into the upper corrugated pipe 1.2, and the lower end of the reinforcing rib 4 exceeds the bottom surface of the prefabricated column 1 and is poured in the node concrete layer 9.
In the embodiment, the side surface of the prefabricated column 1 and the position corresponding to the connecting sleeve 5 are provided with mounting grooves 11; a mounting hole 12 is formed in the side wall of the corrugated pipe 1.2 at a position corresponding to the corrugated pipe 1.2; the mounting groove 11 is communicated with the pore channel in the corrugated pipe 1.2.
In this embodiment, the construction method of the frame structure includes the steps of:
step one, manufacturing a prefabricated column 1 in a factory: the manufacturing method of the prefabricated column 1 comprises the following steps.
And 2, placing the corrugated pipe 1.2 in the steel reinforcement framework 1.3, correcting the position of the corrugated pipe 1.2, and erecting a template.
And 3, pouring concrete of the precast column 1, and curing to reach standard strength.
And 4, removing the template to form the prefabricated column 1.
And step two, conveying the prefabricated column 1 to a construction site.
And step three, carrying out accurate measurement and paying off, and determining the installation position of the prefabricated column 1 on the lower layer.
And fourthly, inserting a stressed steel bar 8 into the prefabricated column 1 at the lowest layer, and installing the prefabricated column 1 at the lowest layer to ensure that the upper end of all or part of the stressed steel bar 8 extends into the prefabricated column 1 at the upper layer to be constructed.
And step five, pouring the pore canal slurry 10 into the corrugated pipe 1.2 in the prefabricated column 1 at the lowest layer.
And step six, completing the construction of the frame beam 6 and the floor slab 7.
And step seven, pouring a node concrete layer 9.
And step eight, correspondingly connecting the stressed steel bars 8 in the prefabricated columns 1 on the upper layer with the stressed steel bars 8 in the prefabricated columns 1 on the lower layer in the step four by adopting a connecting sleeve 5 or directly welding.
And step nine, measuring and paying off, determining the installation position of the prefabricated column 1 on the upper layer, and arranging a seam slurry layer 3.
Step ten, hoisting the upper-layer prefabricated column 1 to enable the upper-layer prefabricated column 1 to be sleeved outside the stressed steel bar 8 constructed in the step eight, adjusting the position and the angle, and then temporarily fixing the upper-layer prefabricated column 1.
And step eleven, pouring pore canal slurry 10 into the corrugated pipe 1.2 in the prefabricated column 1 on the upper layer, and maintaining.
And step twelve, repeating the process from the step six to the step eleven to complete the construction of the whole structure.
In this embodiment, when the corrugated tube 1.2 of the prefabricated column 1 is further provided with the reinforcing ribs 4, the reinforcing ribs 4 are inserted into the positions of the node concrete layers 9 to be poured before the node concrete layers 9 are poured in the seventh step.
In this embodiment, in the tenth step, when the prefabricated column 1 on the upper layer is temporarily fixed, the inclined strut 13 is supported and arranged on the outer side of the prefabricated column 1 on the upper layer.
In this embodiment, the pore slurry 10 in the corrugated pipe 1.2 is concrete, high-strength mortar or high-strength grouting material.
In this embodiment, the length of the excess portion is not less than 8 times the nominal diameter of the overhanging stressed steel bar 8.
In this embodiment, after the construction in step eight is completed, the connecting member 2 is used to connect a set of stressed steel bars 8 in each corrugated pipe 1.2.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (6)
1. A prefabricated column comprising corrugated tubing, comprising a column body (1.1); the column main body (1.1) is of a reinforced concrete structure; the method is characterized in that: a steel reinforcement framework (1.3) is arranged in the column main body (1.1); the steel bar framework (1.3) comprises erecting steel bars (1.3.1) and stirrups (1.3.2); the erection steel bars (1.3.1) are provided with a group and are arranged at intervals along the outer side surface of the column main body (1.1); the stirrups (1.3.2) are provided with a group and are hooped at the outer side of the group of erection steel bars (1.3.1) at intervals along the vertical direction; transverse steel bars (1.6) and longitudinal steel bars (1.4) are arranged in the erection steel bars (1.3.1), and the internal space of the steel bar framework (1.3) is divided into a group of cells (1.5); a corrugated pipe (1.2) is embedded in the column main body (1.1) and positioned in the cell (1.5) along the whole length of a vertical shaft of the column main body (1.1); a stressed steel bar (8) penetrates through the corrugated pipe (1.2); the upper end of the stressed steel bar (8) exceeds the top of the column main body (1.1), and the lower end of the stressed steel bar (8) is positioned below the bottom of the column main body (1.1); pore slurry (10) is filled in the corrugated pipe (1.2); the stressed steel bars (8) are poured in the pore canal slurry (10).
2. The preformed column containing corrugated tubing of claim 1, wherein: the horizontal section of the corrugated pipe (1.2) is circular, elliptic or rectangular; the corrugated pipe (1.2) is made of a metal corrugated pipe or a plastic corrugated pipe.
3. A frame structure based on a prefabricated column containing corrugated pipes according to any one of claims 1-2, comprising frame columns, frame beams (6) and floor slabs (7); the method is characterized in that: the frame column comprises a group of prefabricated columns (1) which are arranged at intervals in the vertical direction, and the distance between every two adjacent prefabricated columns (1) is equal to the sum of the thicknesses of the frame beam (6) and the floor slab (7);
the frame beam (6) is arranged at the top of the lower prefabricated column (1); the floor (7) is laid on the frame beam (6), and the side edge of the floor (7) is flush with the end part of the corresponding side of the frame beam (6); the stress steel bar (8) of the lower layer extends into the corrugated pipe (1.2) of the upper layer wholly or partially and is connected or welded with the stress steel bar (8) of the upper layer through a connecting sleeve (5); a node concrete layer (9) is filled in a node area formed by enclosing the prefabricated columns (1), the frame beams (6) and the floor slabs (7) at the lower layer; the top surface of the node concrete layer (9) is flush with the top surface of the floor slab (7); a joint slurry layer (3) is arranged between the top surface of the node concrete layer (9) and the prefabricated column (1) on the upper layer.
4. The frame structure of claim 3, wherein: each group of stressed steel bars (8) is arranged in each corrugated pipe (1.2), and each group of stressed steel bars (8) is fixed into a bundle through a connecting piece (2); the connecting pieces (2) are provided with a group and are arranged at intervals along the vertical direction; the connecting piece (2) is made of steel bars or steel wires.
5. The frame structure of claim 3, wherein: a reinforcing rib (4) is further arranged in the corrugated pipe (1.2) of the prefabricated column (1); the upper end of the reinforcing rib (4) extends into the upper corrugated pipe (1.2), and the lower end of the reinforcing rib (4) exceeds the bottom surface of the prefabricated column (1) and is poured in the node concrete layer (9).
6. The frame structure of claim 3, wherein: the side surface of the prefabricated column (1) and the position corresponding to the connecting sleeve (5) are provided with mounting grooves (11); mounting holes (12) are formed in the side wall of the corrugated pipe (1.2) at positions corresponding to the corrugated pipe (1.2); the mounting groove (11) is communicated with a pore passage in the corrugated pipe (1.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012033.9U CN211143502U (en) | 2019-11-20 | 2019-11-20 | Prefabricated column containing corrugated pipe and frame structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012033.9U CN211143502U (en) | 2019-11-20 | 2019-11-20 | Prefabricated column containing corrugated pipe and frame structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211143502U true CN211143502U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922012033.9U Expired - Fee Related CN211143502U (en) | 2019-11-20 | 2019-11-20 | Prefabricated column containing corrugated pipe and frame structure thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN211143502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725475A (en) * | 2019-11-20 | 2020-01-24 | 中国建筑标准设计研究院有限公司 | Prefabricated column with built-in high-corrugated pipe, frame structure of prefabricated column and construction method of prefabricated column |
| CN112854602A (en) * | 2021-01-15 | 2021-05-28 | 东南大学 | Hollow corrugated pipe interlayer steel pipe concrete column |
-
2019
- 2019-11-20 CN CN201922012033.9U patent/CN211143502U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725475A (en) * | 2019-11-20 | 2020-01-24 | 中国建筑标准设计研究院有限公司 | Prefabricated column with built-in high-corrugated pipe, frame structure of prefabricated column and construction method of prefabricated column |
| CN112854602A (en) * | 2021-01-15 | 2021-05-28 | 东南大学 | Hollow corrugated pipe interlayer steel pipe concrete column |
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