CN114108823B - Fabricated component and connecting method - Google Patents
Fabricated component and connecting method Download PDFInfo
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- CN114108823B CN114108823B CN202111679010.9A CN202111679010A CN114108823B CN 114108823 B CN114108823 B CN 114108823B CN 202111679010 A CN202111679010 A CN 202111679010A CN 114108823 B CN114108823 B CN 114108823B
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- connecting section
- assembly body
- section
- frame
- closed cavity
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Abstract
The invention discloses an assembled component and a connecting method, wherein the assembled component comprises an upper assembly body and a lower assembly body, and a frame beam is arranged on the lower assembly body; an upper connecting section extends downwards from the bottom of the upper assembly body, a lower connecting section extends downwards from the top of the lower assembly body, the upper connecting section and the lower connecting section are connected to form a closed cavity, and connecting slurry for connecting the upper connecting section and the lower connecting section is arranged in the closed cavity; the lower connecting section is provided with a grouting guide pipe for guiding connecting slurry into the closed cavity, the upper connecting section is provided with a vent pipe for ventilating the closed cavity, construction of a concrete part in the steel pipe column can be completed quickly, assembly is improved, field wet operation workload is reduced, and concrete construction quality in the column is further guaranteed.
Description
Technical Field
The invention relates to the field of building components, in particular to an assembled component and a connecting method.
Background
At present, the steel pipe concrete column (including circular pipe concrete column and square pipe concrete column, collectively called steel pipe concrete column) has been widely used in industrial and civil buildings, the column includes two parts of external steel structure circular pipe or square pipe and internal concrete, wherein the external circular pipe or square pipe and steel frame connection node structure has many ways, its internal concrete part is basically the site perfusion or site jacking, the construction speed is slow, the site wet operation is many, the construction energy consumption is high, and the construction quality is inconvenient to control, often the concrete perfusion or jacking is not in place, the concrete quality is poor and other construction quality problems occur, it is not favorable for realizing the assembly and rapid construction.
Therefore, in order to solve the above problems, there is a need for an assembly type member and a connection method, which can quickly complete the construction of the concrete portion in the steel pipe column, improve the assembly, reduce the on-site wet work workload, and further ensure the quality of the concrete construction in the column.
Disclosure of Invention
In view of this, the present invention provides an assembly member and a connection method, which can quickly complete the construction of the concrete portion in the steel pipe column, improve the assembly, reduce the workload of the field wet operation, and further ensure the quality of the concrete construction in the column.
The assembly type component and the connecting method comprise an upper assembly body and a lower assembly body, wherein a frame beam is arranged on the lower assembly body; an upper connecting section extends downwards from the bottom of the upper assembly body, a lower connecting section extends downwards from the top of the lower assembly body, the upper connecting section and the lower connecting section are connected to form a closed cavity, and connecting slurry for connecting the upper connecting section and the lower connecting section is arranged in the closed cavity; the lower connecting section is provided with a grouting guide pipe for guiding connecting slurry to the closed cavity, and the upper connecting section is provided with a ventilation pipe for ventilating the closed cavity.
Further, the grouting guide pipe is positioned at the bottom of the side face of the lower connecting section, and the vent pipe is positioned at the top of the side face of the upper connecting section.
Furthermore, a partition plate is arranged between the upper connecting section and the lower connecting section, and a pulp guide hole which is positioned in the middle of the partition plate and is communicated with the upper connecting section and the lower connecting section is formed in the partition plate.
Further, the pouring height of the closed cavity is 700-1000 mm.
Further, an upper transverse plate is arranged in the upper connecting section, a plurality of upper studs are preset on the upper transverse plate, a lower transverse plate is arranged in the lower connecting section, and a plurality of lower studs are preset on the lower transverse plate.
Furthermore, the bottom of the upper transverse plate is provided with a vent groove which is in a cross shape, and the air inlet of the vent pipe is positioned in the middle of the cross shape.
Further, the frame beam is arranged on the lower section assembly body close to the lower connecting section along the height direction, the frame beam comprises a frame cross beam and a frame longitudinal beam which are mutually perpendicular and connected, and the lower section assembly body is perpendicular to the frame cross beam and the frame longitudinal beam and connected with the frame cross beam and the frame longitudinal beam.
Furthermore, the material of the connecting slurry can be one or a combination of a plurality of micro-expansion fine aggregate concrete, grouting material and self-compacting micro-expansion concrete.
Further, the wall thickness of the upper connecting section is larger than that of the upper assembly body, and the wall thickness of the lower connecting section is larger than that of the lower assembly body.
A connection method based on the assembled components is characterized in that:
the method comprises the following steps:
a. prefabricating an upper-section assembly body, a lower-section assembly body and a frame beam;
b. mounting the frame beam on the lower section assembly body;
c. the upper connecting section of the upper assembly body and the lower connecting section of the lower assembly body are jointed through connecting slurry;
d. cutting off the vent pipe protruding out of the upper connecting section, and cutting off the grouting guide pipe protruding out of the lower connecting section;
e. and the exposed part of the grouting conduit, which is caused by the cutting, is blocked by the upper blocking plate, and the exposed part of the grouting conduit, which is caused by the cutting, is blocked by the lower blocking plate.
The invention has the beneficial effects that: according to the fabricated component and the connection method disclosed by the invention, the thickness of the steel column wall plate in the range of the reinforced node is increased, most of the concrete in the steel column is poured and constructed in a factory, only a pouring material is constructed in a field pouring section in a construction site, after pouring is finished, redundant construction guide pipes are cut off, and the guide pipe holes are blocked by adopting the plate thickness consistent with the original wall thickness, so that rapid fabricated construction is realized, the field operation amount is reduced, and the anti-seismic performance of the 'strong node' is ensured; the connecting node can effectively improve the performance of the column splicing connecting node, can quickly complete concrete construction in the column, improves the assembly efficiency, and reduces the workload of field wet operation.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention before casting;
FIG. 3 is a schematic cross-sectional view of the cast product of the present invention;
FIG. 4 is a schematic structural view of the bottom of the upper cross plate of the present invention;
FIG. 5 is a schematic view of the vent groove of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and as shown in the drawing, both the top and the bottom refer to the top and the bottom in fig. 1, which are not described herein again, the fabricated component and the connection method in this embodiment include an upper assembly 01 and a lower assembly 02, and a frame beam is mounted on the lower assembly 02; an upper connecting section 11 extends downwards from the bottom of the upper assembly body 01, a lower connecting section 21 extends downwards from the top of the lower assembly body 02, the upper connecting section 11 and the lower connecting section 21 are connected to form a closed cavity, and connecting slurry for connecting the upper connecting section 11 and the lower connecting section 21 is arranged in the closed cavity; the lower connecting section 21 is provided with a grouting guide pipe 05 for guiding connecting slurry into the closed chamber, and the upper connecting section 11 is provided with a ventilation pipe 06 which is ventilated for the closed chamber. The upper assembly body 01 and the lower assembly body 02 are prefabricated reinforced concrete columns, the connection positions of the upper assembly body 01 and the lower assembly body 02 form a shoulder beam supporting structure, the upper connecting section 11 and the lower connecting section 21 are connected to form a closed cavity, the upper assembly body 01 and the lower assembly body 02 are connected to form a whole through connecting slurry poured in the closed cavity, the grouting guide pipe 05 is located at the bottom of the side face of the lower connecting section 21, the vent pipe 06 is located at the top of the side face of the upper connecting section 11, the grouting guide pipe 05 located on the lower connecting section 21 and the vent pipe 06 located on the upper connecting section 11 can improve the plumpness of the pouring slurry filled in the closed cavity, and the connection strength of the upper assembly body 01 and the lower assembly body 02 is improved.
In this embodiment, a partition plate 07 is arranged between the upper connecting section 11 and the lower connecting section 21, a slurry guiding hole 71 located in the middle of the partition plate 07 and communicating the upper connecting section 11 and the lower connecting section 21 is formed in the partition plate 07, as shown in the figure, the partition plate 07 is located at a joint surface of the upper connecting section 11 and the lower connecting section 21, and the slurry guiding hole 71 is circularly located in the middle of the partition plate 07, so that a cavity located in the lower connecting section 21 is grouted first in a grouting process, and after the grouting is completed, the cavity located in the upper connecting section 11 is grouted continuously through the slurry guiding hole 71, so that the grouting compactness is improved, and the construction quality is improved.
In this embodiment, the casting height of the closed cavity is 700 mm-1000 mm. The airtight cavity in this scheme is the rectangle, and it is 1000mm highly to pour to be located the airtight cavity volume of linkage segment 11 and be about 1/3 ~ 1/4 of whole airtight cavity volume, the airtight cavity volume of linkage segment 11 is 1/3 of whole airtight cavity volume on this scheme for lower section assembly body 02 possesses sufficient supporting power, prevents the fracture that tie point stress big-end-up caused, the wall thickness of upper linkage segment 11 is greater than the wall thickness of upper section assembly body 01, the wall thickness of lower linkage segment 21 is greater than the wall thickness of lower section assembly body 02, further plays the effect of structure enhancement, with "strong node" shock resistance guaranteeing, this connected node can effectively improve post concatenation connected node performance, realizes accomplishing the interior concrete construction of post fast simultaneously, improves the assembly ization efficiency, reduces the wet operation work load in scene, and the construction is simple, and the small investment, and the reinforcement effect is obvious, and economic advantage is obvious.
In this embodiment, an upper transverse plate 12 is disposed in the upper connecting section 11, a plurality of upper studs 13 are disposed on the upper transverse plate 12, a lower transverse plate 22 is disposed in the lower connecting section 21, and a plurality of lower studs 23 are disposed on the lower transverse plate 22. The closed cavity constitutes the section of pouring of connecting upper assembly body 01 and hypomere assembly body 02 for further improve the holistic joint strength of section of pouring, guarantee holistic structural strength, increase shear capacity, the material of connecting the thick liquid can choose for use one or more combinations in little expanded fine aggregate concrete, grout material, the self-compaction little expanded concrete, and this scheme adopts self-compaction little expanded concrete to pour, improves structural strength.
In this embodiment, the bottom of the upper horizontal plate 12 is provided with a vent groove 14, the vent groove 14 is in a cross shape, and the air inlet of the ventilation pipe 06 is located in the middle of the cross shape. As shown in the figure, permeability cell 06 is "L" shape of buckling towards air duct 14 middle part, and communicates external environment and closed cavity, and the setup of air duct 14 is favorable to still further being full degree of being of closed cavity slip casting, improves the joint strength of tie point to be favorable to reducing the remaining gas pocket after the completion of pouring of closed intracavity portion, improve the integrality of pouring, and the simple structure of "ten" font can cover in the top of whole closed cavity, improves ventilation effect, the ox horn form of extension is buckled to grout pipe 05 from bottom to top slant upwards, improves slip casting efficiency, combines "ten" font air duct 14 to be favorable to quick slip casting and exhaust.
In this embodiment, the frame beam is mounted on the lower section assembly 02 close to the lower connecting section 21 in the height direction, the frame beam includes a frame cross beam 03 and a frame longitudinal beam 04 which are vertically connected to each other, and the lower section assembly 02 is connected to the frame cross beam 03 and the frame longitudinal beam 04 in a manner of being perpendicular to both of them. The frame roof beam is structural steel member, and frame crossbeam 03 and frame longeron 04 are mutually perpendicular to be connected and install in hypomere assembly body 02 perpendicularly to connected node is close to upper assembly body 01 and hypomere assembly body 02, makes the connection structure of this scheme of necessary adoption strengthen the connected node of upper assembly body 01 and hypomere assembly body 02, improves structural strength, in order to guarantee "strong node" anti-seismic performance.
The scheme also discloses a connection method based on the assembly type component, which is characterized in that:
the method comprises the following steps:
a. prefabricating an upper assembly body 01, a lower assembly body 02 and a frame beam;
b. mounting a frame beam on the lower assembly 02;
c. the upper connecting section 11 of the upper assembly 01 and the lower connecting section 21 of the lower assembly 02 are connected by connecting slurry
Jointing;
d. cutting off the ventilation pipe 06 protruding out of the upper connecting section 11, and cutting off the grouting guide pipe 05 protruding out of the lower connecting section 21;
e. the exposed part of the air permeability pipe 06, which is caused by cutting, is blocked by an upper blocking plate, and the exposed part of the grouting guide pipe 05, which is caused by cutting, is blocked by a lower blocking plate.
By increasing the thickness of the steel column wall plate in the range of the reinforced node, most of the concrete in the steel column is poured and constructed in a factory, only a field pouring section is used for constructing pouring materials on the field of a construction site, redundant construction guide pipes are cut off after pouring is finished, and the guide pipe holes are blocked by adopting the plate thickness consistent with the original wall thickness, so that the rapid assembly type construction is realized, the field operation amount is reduced, and the anti-seismic performance of the 'strong node' is ensured; the connecting node can effectively improve the performance of the column splicing connecting node, simultaneously realize the rapid completion of concrete construction in the column, improve the assembly efficiency and reduce the workload of field wet operation.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A fabricated component, comprising: the device comprises an upper assembly body and a lower assembly body, wherein a frame beam is arranged on the lower assembly body; an upper connecting section extends downwards from the bottom of the upper assembly body, a lower connecting section extends downwards from the top of the lower assembly body, the upper connecting section and the lower connecting section are connected to form a closed cavity, and connecting slurry for connecting the upper connecting section and the lower connecting section is arranged in the closed cavity; the lower connecting section is provided with a grouting guide pipe for guiding connecting slurry to the closed cavity, and the upper connecting section is provided with a ventilation pipe for ventilating the closed cavity; a partition plate is arranged between the upper connecting section and the lower connecting section, and a pulp guide hole which is positioned in the middle of the partition plate and is communicated with the upper connecting section and the lower connecting section is formed in the partition plate; the frame beam is arranged on the lower section assembly body close to the lower connecting section in the height direction, the frame beam comprises a frame cross beam and a frame longitudinal beam which are mutually perpendicular and connected, and the lower section assembly body is perpendicular to the frame cross beam and the frame longitudinal beam and connected with the frame cross beam and the frame longitudinal beam.
2. The fabricated component of claim 1, wherein: the grouting guide pipe is positioned at the bottom of the side face of the lower connecting section, and the vent pipe is positioned at the top of the side face of the upper connecting section.
3. The fabricated component of claim 1, wherein: the pouring height of the closed cavity is 700-1000 mm.
4. The fabricated component of claim 1, wherein: an upper transverse plate is arranged in the upper connecting section, a plurality of upper studs are preset on the upper transverse plate, a lower transverse plate is arranged in the lower connecting section, and a plurality of lower studs are preset on the lower transverse plate.
5. The fabricated component of claim 4, wherein: the bottom of the upper transverse plate is provided with a vent groove which is in a cross shape, and the air inlet of the vent pipe is positioned in the middle of the cross shape.
6. The fabricated component of claim 1, wherein: the material of the connecting slurry can be one or a combination of a plurality of micro-expansion fine stone concrete, grouting material and self-compacting micro-expansion concrete.
7. The fabricated component of claim 1, wherein: the wall thickness of the upper connecting section is larger than that of the upper assembly body, and the wall thickness of the lower connecting section is larger than that of the lower assembly body.
8. The joining method based on the fabricated component according to any one of claims 1 to 7, wherein:
the method comprises the following steps:
prefabricating an upper-section assembly body, a lower-section assembly body and a frame beam;
mounting the frame beam on the lower section assembly body;
the upper connecting section of the upper assembly body and the lower connecting section of the lower assembly body are jointed through connecting slurry;
cutting off the ventilation pipe protruding out of the upper connecting section and cutting off the grouting guide pipe protruding out of the lower connecting section;
the exposed part of the air permeability pipe caused by cutting is blocked by the upper blocking plate, and the exposed part of the grouting conduit caused by cutting is blocked by the lower blocking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679010.9A CN114108823B (en) | 2021-12-31 | 2021-12-31 | Fabricated component and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679010.9A CN114108823B (en) | 2021-12-31 | 2021-12-31 | Fabricated component and connecting method |
Publications (2)
| Publication Number | Publication Date |
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| CN114108823A CN114108823A (en) | 2022-03-01 |
| CN114108823B true CN114108823B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111679010.9A Active CN114108823B (en) | 2021-12-31 | 2021-12-31 | Fabricated component and connecting method |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MXPA04002964A (en) * | 2001-08-30 | 2005-06-20 | Robert J Simmons | Moment-resistant building frame structure componentry and method. |
| CN107916726B (en) * | 2017-12-21 | 2018-12-04 | 青岛理工大学 | Assembled self- recoverage circular steel tube concrete combined joint |
| CN108729546A (en) * | 2018-05-31 | 2018-11-02 | 东北电力大学 | A kind of dry type beam-to-column joint structure for prefabricated assembling type reinforced concrete building |
| CN109024880A (en) * | 2018-07-22 | 2018-12-18 | 北京工业大学 | Self-resetting can assemble multistage joist steel frame joint after shake |
| CN109853739B (en) * | 2019-02-27 | 2020-06-23 | 青岛理工大学 | Assembled steel-wood combined node |
| CN110173075A (en) * | 2019-06-19 | 2019-08-27 | 张晨堂 | A kind of assembling type steel structure column connect grouting anchorage node with column |
| CN212507065U (en) * | 2020-07-15 | 2021-02-09 | 唐山冀东发展燕东建设有限公司 | Steel construction assembled house mill prefabricated steel pipe concrete column |
| CN213329460U (en) * | 2020-08-12 | 2021-06-01 | 中南大学 | Steel core concrete column node connection structure |
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