CN115467546A - Reinforced structure of building column and construction method thereof - Google Patents
Reinforced structure of building column and construction method thereof Download PDFInfo
- Publication number
- CN115467546A CN115467546A CN202211009824.6A CN202211009824A CN115467546A CN 115467546 A CN115467546 A CN 115467546A CN 202211009824 A CN202211009824 A CN 202211009824A CN 115467546 A CN115467546 A CN 115467546A
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- Prior art keywords
- column body
- main column
- metal support
- metal supporting
- building
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- 238000010276 construction Methods 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 69
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000011372 high-strength concrete Substances 0.000 claims abstract description 7
- 230000008093 supporting effect Effects 0.000 claims description 38
- 238000003466 welding Methods 0.000 claims description 15
- 239000004567 concrete Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 239000011120 plywood Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Abstract
The invention discloses a reinforced structure of a building column, which comprises a main column body, wherein at least two metal support frames are uniformly and tightly arranged around the main column body along the height direction, a plurality of layers of stirrups and vertical steel bars are annularly distributed around the main column body, the stirrups penetrate through the metal support frames and are mutually bound or welded and fixed, the stirrups at the innermost layer are tightly bound on the main column body, rough surfaces are chiseled on the surface of the main column body, a wrapping template around the main column body is poured by high-strength concrete to form a reinforced protection outer layer, the metal support frames at the bottom floor are supported on a pile cap, and the metal support frames between the floor surfaces are aligned with an upper floor plate and a lower floor plate at intervals. The invention also discloses a construction method of the reinforced structure of the building column. The strengthening and reinforcing structure can quickly and firmly strengthen the original column body, is efficient and reasonable in reinforcing structure, and can form effective and stable support.
Description
Technical Field
The invention relates to the field of building column reinforcement and repair, in particular to a reinforced reinforcement structure of a building column. The invention also relates to a construction method of the reinforced structure of the building column.
Background
The structure is consolidated to traditional cylinder includes the cylinder, the cylinder outside all around is equipped with the reinforcement steel sheet, be connected through the concrete between reinforcement steel sheet and the main part, be equipped with a plurality of through-holes on the reinforcement steel sheet, the concrete passes through-hole and reinforcement steel sheet surface parallel and level, be equipped with the strengthening rib on the reinforcement steel sheet, the strengthening rib is X shape cross arrangement, the reinforcement steel sheet outside is equipped with the back up coat. The reinforcing structure of the column in the building protects the whole structure of the column in all directions, and avoids the situation of local cracking and damage; after the reinforcement work is completed, the entire structure of the column body is not affected by the decoration. However, this conventional construction is only a partial reinforcement of the column and does not achieve a large increase in the load-bearing capacity, and thus is not suitable for an integral column reinforcement and restoration requiring an integral load-bearing capacity in response to the increase.
Disclosure of Invention
The invention aims to provide a reinforced structure of a building column, which can quickly and integrally reinforce and improve the bearing capacity of the column. The technical problem to be solved by the invention also comprises providing a construction method of the reinforced structure of the building column.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a reinforcement structure of building cylinder, includes main cylinder, characterized by: the main column body is evenly clung to along direction of height around and is provided with two at least metal supporting racks, centers on main column body annular distribution has multilayer stirrup and vertical reinforcing bar, and the stirrup passes metal supporting rack and ligature or welded fastening each other, and inlayer stirrup is tightened on main column body, the rough surface is dug out to main column body surface, parcel template adopts high-strength concrete placement to form the intensive protection skin around the main column body, the metal supporting rack supporting of bottom floor is on pile cap, and the interval floor board is aimed at about the metal supporting rack between each floor.
Preferably, the inlayer the stirrup is the cylinder and closes the annular hoop board that is provided with for, the annular hoop board pass through the connecting piece with metal support frame fixed connection, stirrup and vertical reinforcing bar with connecting piece and metal support frame ligature or welded fastening.
Preferably, the annular hoop plate is provided with a through hole, the main column body is provided with a plurality of expansion screws, and the expansion screws fix the annular hoop plate on the main column body.
Preferably, the metal support frame has circular plates at upper and lower ends thereof, the upper and lower circular plates being aligned with each other.
Preferably, the arc-shaped hoop plate is spliced by a plurality of pieces, and the splicing part is connected by welding.
Preferably, the floor plate is drilled with a connecting hole, the upper end of the metal support frame is provided with a sleeve, the metal support frames adjacent to the upper floor and the lower floor penetrate through the connecting hole to mutually form inserting sleeve connection, and concrete enters the connecting hole to enable the upper main column body and the lower main column body to form an integrated structure at the metal support frame.
Preferably, the metal support frame is partially protruded upwards to form a connecting end, the connecting end is provided with the sleeve, and the partially protruded connecting ends of the metal support frames of the upper and lower floors are mutually inserted and connected at the sleeve and are welded and fixed; the connecting piece is a short steel bar, and the annular hoop plate and the metal supporting frame are welded and fixed through the short steel bar.
The invention also provides a construction method of the reinforced structure of the building column, which comprises the following steps:
a. chiseling a rough surface on the surface of the main cylinder;
b. fixing the annular hoop plates on the main column body in layers, welding and connecting the annular hoop plates of the segments, drilling expansion screws aiming at the through holes on the annular hoop plates, and fixing the annular hoop plates and the metal support frame on the main column body by bolts;
c. tightly supporting the upper end and the lower end of the metal supporting frame on an upper floor plate and a lower floor plate, wherein the metal supporting frames on the upper floor plate and the lower floor plate are aligned with each other;
d. binding or welding and fixing the inner-layer stirrups and the connecting piece, penetrating the outer-layer stirrups through the metal supporting frame and binding or welding and fixing, and binding or welding and fixing the vertical steel bars on the inner side of the metal supporting frame with the stirrups and the connecting piece;
e. surrounding the main column body and the peripheral installation part by adopting a template, and pouring high-strength concrete to form a reinforced protection outer layer;
f. and removing the formwork for maintenance after the concrete is solidified.
Preferably, the floor plate is drilled with a connecting hole, the upper end of the metal support frame is provided with a sleeve, the metal support frames adjacent to each other on the upper floor and the lower floor penetrate through the connecting hole to form plug bush connection, the connecting hole is surrounded by the template, and the poured concrete enters the connecting hole to enable the upper main column body and the lower main column body to form an integrated structure at the metal support frame.
Compared with the prior art, the invention has the beneficial effects that:
1. can enough form the reinforcement through the peripheral parcel to the cylinder with reinforceing the outer layer, the back up coat can form extra intensive supporting effect through effectual upper and lower connection and supporting relation again simultaneously, is suitable for the building transformation project that needs promote the bearing capacity by a wide margin.
2. The whole framework that alternates has adopted the modularization skeleton structure, wherein evenly hugs closely along direction of height and is provided with two at least metal supporting framves, centers on the main column body annular distribution has multilayer stirrup and vertical reinforcing bar, and the stirrup passes metal supporting framves and ligature or welded fastening each other, and inlayer stirrup is tightened on the main column body the annular hoop board that the stirrup was provided for post is last, and the annular hoop board outside is fixed with the fretwork plywood, metal supporting framves with fretwork plywood welded fastening, stirrup and vertical reinforcing bar pass fretwork plywood and ligature or welded fastening. Therefore, an internal framework structure capable of being quickly inserted and fixed is formed, and the template is matched to facilitate quick forming.
Drawings
Fig. 1 is a schematic cross-sectional view of a reinforcing structure of a building column provided in embodiment 1 of the present invention, in which pouring is not completed around a main column;
fig. 2 is a schematic cross-sectional structural view of a reinforcing structure of a building column according to embodiment 1 of the present invention, in which a main column is cast around its periphery;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic cross-sectional view of a structure of a reinforcing and reinforcing structure for a building column according to embodiment 2 of the present invention;
fig. 5 is a partially enlarged view of a portion B of fig. 4.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, characteristics and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 3, in embodiment 1 of the present invention, a reinforcing structure for a building column includes a main column 1, at least two metal support frames 2 are uniformly and closely arranged around the main column 1 along a height direction, in this embodiment, 3 metal support frames 2 are arranged in common, multiple layers of stirrups 3 and vertical steel bars 4 are annularly distributed around the main column 1, the stirrups 3 penetrate through the metal support frames 2 and are bound or welded and fixed to each other, an innermost layer of the stirrups is bound on the main column, a rough surface is chiseled on the surface of the main column 1, a formwork is wrapped around the main column 1 and is poured with high-strength concrete to form a reinforcing protective outer layer 5, the metal support frames 2 of a bottom floor are supported on a pile support platform, and the metal support frames 2 between floors are aligned with each other at an upper and a lower interval floor. The inlayer the annular hoop board 6 that is provided with is hugged closely on the stirrup 3 for the cylinder, arc hoop board 6 adopts the multi-disc to piece together, and concatenation department adopts welded connection, annular hoop board 6 through the connecting piece with metal supporting rack 2 fixed connection, the connecting piece generally adopts the short steel bar welding, stirrup 3 and vertical reinforcing bar 4 with connecting piece and 2 ligatures of metal supporting rack or welded fastening. The annular hoop plate 6 is provided with a through hole, the main column body 1 is provided with a plurality of expansion screws 7, and the expansion screws 7 fix the annular hoop plate 7 on the main column body 1. The hoop plate 6 can be formed into a more firm structure with the main column 1 by driving the expansion screw 7, so that the reinforced frame and the main column 1 can be formed into a more firm integrated structure.
Referring to fig. 1 and 3, in order to align the metal frame to be added up and down to form a stronger support, the metal support frame 2 is provided with circular plates 8 at the upper and lower ends thereof, and the upper and lower circular plates 8 are aligned with each other.
Referring to fig. 1 to 3, the construction method of the reinforcing structure for a building column according to the present invention includes the steps of:
a. chiseling a rough surface on the surface of the main column 1;
b. fixing the annular hoop plates 6 on the main column body 1 in layers, welding and connecting the annular hoop plates 6 of each segment, drilling expansion screws 7 aiming at through holes on the annular hoop plates 6, and fixing the annular hoop plates 6 and the metal support frame 2 on the main column body by adopting bolts;
c. the upper end and the lower end of the metal support frame 2 are tightly propped against an upper floor plate and a lower floor plate, and the metal support frames 2 on the upper floor plate and the lower floor plate are mutually aligned;
d. binding or welding and fixing the inner-layer stirrups 3 and the connecting piece, penetrating the outer-layer stirrups 3 through the metal supporting frame 2 and binding or welding and fixing, and binding or welding and fixing the vertical steel bars 4 on the inner side of the metal supporting frame 2, the stirrups 3 and the connecting piece;
e. surrounding the main column body 1 and the peripheral mounting pieces by using a template, and pouring high-strength concrete to form a reinforced protection outer layer 5;
f. and removing the mold and maintaining after the concrete is solidified.
Referring to fig. 4-5, inventive example 2 is substantially the same as example 1 except that the following constructions and methods are added: the floor plate is drilled with a connecting hole 8, the upper end of the metal supporting frame 2 is provided with a sleeve 9, the metal supporting frames 2 adjacent to each other on the upper floor and the lower floor penetrate through the connecting hole 8 to form plug bush connection, the connecting hole 8 is surrounded by a template, and pouring concrete enters the connecting hole 8 to enable the upper main column body 1 and the lower main column body 1 to form an integrated structure at the metal supporting frame 2.
Referring to fig. 4, in the above embodiment 2, the metal support frame 2 partially protrudes upward to form a connection end, the sleeve 9 is disposed on the connection end, and the partially protruding connection ends of the metal support frames 2 on the upper and lower floors are inserted and connected with each other at the sleeve 9 and are welded and fixed; the connecting piece is short steel bars 10, and the annular hoop plate 6 and the metal supporting frame 2 are welded and fixed through the short steel bars 10.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a reinforced reinforcement structure of building cylinder, includes main cylinder, characterized by: the main column body is uniformly and tightly provided with at least two metal supporting frames along the height direction around, multiple layers of stirrups and vertical steel bars are distributed around the main column body in an annular mode, the stirrups penetrate through the metal supporting frames and are mutually bound or welded and fixed, the innermost stirrups are tightly bound on the main column body, rough surfaces are chiseled on the surface of the main column body, a wrapping template around the main column body is poured by high-strength concrete to form a reinforced protection outer layer, the metal supporting frames of the bottom floors are supported on a pile bearing platform, and the metal supporting frames between the floor surfaces are aligned with floor plates at intervals from top to bottom.
2. The reinforced structure of the building column according to claim 1, wherein: innermost the stirrup is the cylinder and closely pastes the annular hoop board that is provided with, the annular hoop board pass through the connecting piece with 2 fixed connection of metal support frame, stirrup and vertical reinforcement with connecting piece and metal support frame ligature or welded fastening.
3. The reinforced structure of the building column according to claim 2, wherein: the annular hoop plate is provided with a through hole, the main column body is provided with a plurality of expansion screws, and the annular hoop plate is fixed on the main column body through the expansion screws.
4. A reinforced structure of building column according to claim 1, 2 or 3, wherein: the upper and lower ends of the metal support frame have circular discs that are aligned with each other.
5. The reinforcing structure of a building column as set forth in claim 2 or 3, wherein: the arc-shaped hoop plate is formed by splicing a plurality of arc-shaped hoop plates, and the splicing part is connected by welding.
6. A reinforcing structure for a building column according to claim 2 or 3, wherein: the floor plate is drilled with a connecting hole, the upper end of the metal supporting frame is provided with a sleeve, the metal supporting frames adjacent to the upper floor and the lower floor penetrate through the connecting hole to mutually form inserting sleeve connection, and concrete enters the connecting hole to enable the upper main column body and the lower main column body to form an integrated structure at the metal supporting frame.
7. The reinforced structure of a building column as claimed in claim 6, wherein: the local parts of the metal support frames protrude upwards to form connecting ends, the connecting ends are provided with the sleeves, and the locally protruding connecting ends of the metal support frames on the upper floor and the lower floor are mutually inserted and connected at the sleeves and are welded and fixed; the connecting piece is a short steel bar, and the annular hoop plate and the metal supporting frame are welded and fixed through the short steel bar.
8. A construction method of a reinforcing structure of the building column as set forth in claim 3, wherein: the method comprises the following steps:
a. chiseling a rough surface on the surface of the main cylinder;
b. fixing the annular hoop plates on the main column body in layers, welding and connecting the annular hoop plates of the segments, drilling expansion screws aiming at the through holes on the annular hoop plates, and fixing the annular hoop plates and the metal support frame on the main column body by bolts;
c. tightly supporting the upper end and the lower end of the metal supporting frame on an upper floor plate and a lower floor plate, wherein the metal supporting frames on the upper floor plate and the lower floor plate are aligned with each other;
d. binding or welding and fixing the inner layer stirrup with the connecting piece, penetrating the outer layer stirrup through the metal support frame and binding or welding and fixing the outer layer stirrup, and binding or welding and fixing the vertical steel bar on the inner side of the metal support frame with the stirrup and the connecting piece;
e. surrounding the main column body and the peripheral mounting pieces by using a template, and pouring high-strength concrete to form a reinforced protection outer layer;
f. and removing the mold and maintaining after the concrete is solidified.
9. The method for constructing a reinforcing structure for a building column according to claim 8, wherein: the floor plate is drilled with a connecting hole, the upper end of the metal supporting frame is provided with a sleeve, the metal supporting frames adjacent to the upper floor and the lower floor penetrate through the connecting hole to form plug bush connection, the connecting hole is surrounded by the template, and poured concrete enters the connecting hole to enable the upper main column body and the lower main column body to form an integrated structure at the metal supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009824.6A CN115467546B (en) | 2022-08-22 | 2022-08-22 | Reinforced structure of building column and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009824.6A CN115467546B (en) | 2022-08-22 | 2022-08-22 | Reinforced structure of building column and construction method thereof |
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| CN115467546A true CN115467546A (en) | 2022-12-13 |
| CN115467546B CN115467546B (en) | 2024-01-12 |
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| CN202211009824.6A Active CN115467546B (en) | 2022-08-22 | 2022-08-22 | Reinforced structure of building column and construction method thereof |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10131516A (en) * | 1996-10-30 | 1998-05-19 | Kumagai Gumi Co Ltd | Reinforcing structure of existing building |
| JP2001207529A (en) * | 2000-01-25 | 2001-08-03 | Ki Kyo | Structure of steel building |
| JP2002332750A (en) * | 2001-05-08 | 2002-11-22 | Maeda Corp | Aseismic reinforcing structure for reinforced concrete support column |
| CN103437474A (en) * | 2013-09-11 | 2013-12-11 | 南京工业大学 | Novel stirrup shearing connector as well as manufacturing and installing methods thereof |
| KR101397800B1 (en) * | 2013-08-13 | 2014-05-20 | (주)한국방재기술 | Method for reinforcing seismic capability of existing moment frames buildings of reinforced concrete by section enlargement |
| CN105804427A (en) * | 2016-03-25 | 2016-07-27 | 深圳瑞和建筑装饰股份有限公司 | Reinforcing structure for reinforcing concrete column beam and reinforcing construction method of reinforcing structure |
| CN206128677U (en) * | 2016-10-26 | 2017-04-26 | 江苏伟宸建设工程有限公司 | Cylinder reinforced structure in building |
| CN106978909A (en) * | 2017-05-17 | 2017-07-25 | 李碧卿 | A kind of method that beams of concrete is connected with profile steel concrete column joint reinforcing bar |
| CN107989396A (en) * | 2017-11-29 | 2018-05-04 | 浙江新中环建筑设计有限公司 | A kind of tiny Ti handing construction method |
| CN207920139U (en) * | 2017-12-22 | 2018-09-28 | 宇杰集团股份有限公司 | A kind of Axial-compression Column of Reinforced Concrete with ruggedized construction |
| CN210828425U (en) * | 2019-08-08 | 2020-06-23 | 武汉华科永信建筑工程有限公司 | Reinforcing column structure with enlarged cross section |
| CN213418555U (en) * | 2020-09-11 | 2021-06-11 | 武汉博开建筑工程有限公司 | Large-area column reinforcing structure |
| CN215368899U (en) * | 2021-01-15 | 2021-12-31 | 百盛联合集团有限公司 | Novel large-span high-support ribbed cross beam supporting structure |
-
2022
- 2022-08-22 CN CN202211009824.6A patent/CN115467546B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10131516A (en) * | 1996-10-30 | 1998-05-19 | Kumagai Gumi Co Ltd | Reinforcing structure of existing building |
| JP2001207529A (en) * | 2000-01-25 | 2001-08-03 | Ki Kyo | Structure of steel building |
| JP2002332750A (en) * | 2001-05-08 | 2002-11-22 | Maeda Corp | Aseismic reinforcing structure for reinforced concrete support column |
| KR101397800B1 (en) * | 2013-08-13 | 2014-05-20 | (주)한국방재기술 | Method for reinforcing seismic capability of existing moment frames buildings of reinforced concrete by section enlargement |
| CN103437474A (en) * | 2013-09-11 | 2013-12-11 | 南京工业大学 | Novel stirrup shearing connector as well as manufacturing and installing methods thereof |
| CN105804427A (en) * | 2016-03-25 | 2016-07-27 | 深圳瑞和建筑装饰股份有限公司 | Reinforcing structure for reinforcing concrete column beam and reinforcing construction method of reinforcing structure |
| CN206128677U (en) * | 2016-10-26 | 2017-04-26 | 江苏伟宸建设工程有限公司 | Cylinder reinforced structure in building |
| CN106978909A (en) * | 2017-05-17 | 2017-07-25 | 李碧卿 | A kind of method that beams of concrete is connected with profile steel concrete column joint reinforcing bar |
| CN107989396A (en) * | 2017-11-29 | 2018-05-04 | 浙江新中环建筑设计有限公司 | A kind of tiny Ti handing construction method |
| CN207920139U (en) * | 2017-12-22 | 2018-09-28 | 宇杰集团股份有限公司 | A kind of Axial-compression Column of Reinforced Concrete with ruggedized construction |
| CN210828425U (en) * | 2019-08-08 | 2020-06-23 | 武汉华科永信建筑工程有限公司 | Reinforcing column structure with enlarged cross section |
| CN213418555U (en) * | 2020-09-11 | 2021-06-11 | 武汉博开建筑工程有限公司 | Large-area column reinforcing structure |
| CN215368899U (en) * | 2021-01-15 | 2021-12-31 | 百盛联合集团有限公司 | Novel large-span high-support ribbed cross beam supporting structure |
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| CN115467546B (en) | 2024-01-12 |
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