CN212405751U - Column prefabricated part - Google Patents
Column prefabricated part Download PDFInfo
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- CN212405751U CN212405751U CN202020747892.2U CN202020747892U CN212405751U CN 212405751 U CN212405751 U CN 212405751U CN 202020747892 U CN202020747892 U CN 202020747892U CN 212405751 U CN212405751 U CN 212405751U
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- column
- die sleeve
- column die
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Abstract
The utility model relates to an assembly type structure technical field, in particular to post prefab and manufacturing method, installation and construction method thereof. The utility model discloses a column prefabricated part, which comprises a column die sleeve, a plurality of inner baffles, a plurality of longitudinal steel bars and a protective layer; the longitudinal steel bars are arranged on the inner wall of the column die sleeve, the inner baffle is arranged in the column die sleeve, and the protective layer is arranged on the outer side wall of the column die sleeve; the inner baffle is connected with the column die sleeve and the longitudinal steel bar; the middle part of the column die sleeve is provided with a hole communicated with the structural beam, and two ends of the column die sleeve are provided with end plates; the connecting sections at the two ends of the column die sleeve comprise end plates for vertically splicing the upper section and the lower section of the column prefabricated member. The utility model discloses still disclose simultaneously the manufacturing method and the installation construction method of post prefab. The utility model discloses the on-spot installation construction work load of reducible post prefab still can overcome when the atress vertical billet is easy at first the buckled defect, improve the whole bearing capacity of structure post.
Description
Technical Field
The utility model relates to an assembly type structure technical field, in particular to post prefab.
Background
At present, the assembly type buildings in China are gradually rising, and various assembly type structure systems are continuously emerging. The invention relates to a semi-assembled structural system (application number: 201921267207X) and a semi-assembled structural system and a construction method thereof (application number: 2019107279418) invented by Guangdong petrochemical industry institute, which form the semi-assembled structural system by adopting a prefabricated cavity column, a rear grouting shear wall, a groove beam and an assembled floor slab, and have the advantages of light prefabricated components, reliable connection of vertical components, good integrity, proximity to a stress system of a cast-in-place structure, easy popularization and the like. The semi-fabricated structure system has the advantages of both fabricated structure and cast-in-place structure.
However, the invention also has the following disadvantages:
1. the prefabricated hollow column has complex installation and construction process. The installation method comprises the steps of firstly butting and temporarily fixing the section of column and the lower section of column, then connecting the longitudinal steel bar in the steel framework of the section of column and the lower section of column, installing the tie steel bar of the connecting section, welding the steel plates to form the steel pipe sealing connecting section, welding the steel pipe of the connecting section with the longitudinal steel bar, and finally removing the temporary fixing device after concrete is poured in a cavity in the connecting section.
2. After the prefabricated cavity column is poured with concrete to form the structural column, the longitudinal steel bars are easily buckled at first during stress, so that the integral cooperative bearing capacity of the structural column cannot be fully exerted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a column prefabricated part, which can greatly reduce the workload of the field installation and construction of the column prefabricated part and improve the assembly construction efficiency; meanwhile, the defect that a longitudinal steel bar is easy to buckle at first when the structural column is stressed is overcome, and the integral cooperative bearing capacity of the structural column is fully exerted.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a column prefabricated part comprises a column die sleeve, a plurality of inner baffles, a plurality of vertical steel bars and a protective layer; the inner baffle is arranged in the column die sleeve and connected with the column die sleeve, the longitudinal steel bar is arranged on the inner wall of the column die sleeve and connected with the column die sleeve, and the protective layer is arranged on the outer side wall of the column die sleeve.
Preferably, the column die sleeve is a steel die sleeve.
Preferably, the cross section of the column die sleeve is square or L-shaped or T-shaped or cross-shaped or other special shapes, and a hole communicated with the beam is formed in the position, corresponding to the structural beam, of the column die sleeve.
Preferably, the two ends of the column prefabricated member are provided with end plates, holes are formed in the end plates, and the positions of the holes of the column end plates of the upper section and the lower section correspond to each other, so that the spliced upper section and the spliced lower section are communicated with a cavity in the column prefabricated member.
Preferably, the end plates at two ends of the column prefabricated part are connected with the column die sleeve; preferably, said end plates are also connected to the longitudinal bars.
Preferably, the inner partition plate is provided with holes at intervals, and the holes in the inner partition plate can communicate with the concrete solidification parts on two sides of the inner partition plate.
Preferably, the inner partition plate is connected with the column die sleeve and is also connected with the longitudinal steel bar.
Preferably, the two ends of the column die sleeve comprise connecting sections; relative to the middle section, the connecting section has the same or increased thickness and same or increased material strength as the inner hollow size of the middle section.
Preferably, the protective layer is arranged on the outer side wall of the column die sleeve, and the protective layer can be provided with corresponding protective layers according to different protective requirements.
Preferably, when the column prefabricated member is manufactured, the protective layer is not arranged at the connecting position of the upper column prefabricated member and the lower column prefabricated member, and the protective layer is arranged after the column prefabricated member is vertically assembled on site.
Preferably, the protective layer may include a steel wire mesh so that the protective layer is firmly connected to the column form cover.
Preferably, the connecting position of the column prefabricated member of the upper section and the lower section is provided with a shear connector.
Preferably, the method for forming the shear connector at the connection position of the upper and lower column preforms comprises the following steps: the shear connector can be preset on one of the column prefabricated members during manufacturing; or by inserting shear connectors into the column ends while casting concrete elements in the column pre-forms in situ; or the shear connectors can be directly placed at the connecting positions of the upper and lower sections of the column prefabricated member to form the column prefabricated member during on-site vertical splicing of the column prefabricated member.
Compared with the prior art, the beneficial effects of the utility model include:
(1) the connecting sections are arranged at the two ends of the column prefabricated member, the end plates are arranged on the connecting sections, and the reliable force transmission between the upper section column and the lower section column is ensured by a method of directly splicing the connecting sections without connecting longitudinal steel bars of the upper section column prefabricated member and the lower section column prefabricated member on site or manufacturing a column mold sleeve of the connecting sections on site. The method greatly reduces the workload of on-site installation and construction of the column prefabricated member and improves the assembly construction efficiency;
(2) the longitudinal steel bars in the column prefabricated member are connected by adopting the inner partition plate, when the structural column is stressed, the longitudinal steel bars are laterally supported or connected in four directions along the total height, the longitudinal steel bars are not easy to buckle, and the overall cooperative bearing capacity of the structural column can be fully exerted.
(3) The inner partition plate is provided with holes at intervals, concrete solidifying pieces on two sides of the inner partition plate are communicated, and the inner partition plate and concrete form a whole.
In this application, vertical billet and column die sleeve are held to the interior baffle, and the closely interlock of interior baffle and concrete setting piece can make the column die sleeve exert the constraint effect to the concrete better on the one hand, and on the other hand can make the structure post form a whole, and various materials can full play its advantage of separately the biggest in the structure post.
Drawings
The present invention will now be further described with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a structural schematic of a cross-section of a column preform of the present application;
FIG. 2 is a side view of the column preform of FIG. 1 in a horizontal orientation;
FIG. 3 is a schematic view of an inner bulkhead of a column preform of the present application;
FIG. 4 is a structural schematic of another cross section of a column preform of the present application;
FIG. 5 is a structural schematic of yet another cross-section of a column preform of the present application;
FIG. 6 is a schematic illustration of a shielding approach for a column preform of the present application;
FIG. 7 is a schematic view of end plates at both ends of the column preform of FIG. 1;
FIG. 8 is a schematic view of the shear connector in positional relationship to the end plates;
FIG. 9 is a schematic plan view of the shear connector in the post preform;
FIG. 10 is a schematic illustration of the splicing of the present column preform to the lower column preform;
FIG. 11 is a flow chart of a method of manufacturing a column preform of the present application;
fig. 12 is a flowchart of an installation construction method of the column preform of the present application.
The labels in the figure are:
1: column die sleeve, 11: middle section of the column die case, 12: the connecting sections at the two ends of the column die sleeve,
2: inner partition, 21: the hole that the interval set up on the inner baffle, 3: a longitudinal steel strip having a longitudinal direction,
4: protective layer, 41: thermal insulation delamination in the protective layer, 42: wire mesh in the protective layer, 43: protective delamination in the overcoat, 44: a steel wire mesh connecting piece is arranged on the steel wire mesh,
5: end plate, 51: an opening on the end plate is provided with a hole,
6: shear connector, 61: shear connection bar, 62: the steel pipe is connected in a shearing-resistant manner,
alpha-1: upper connecting section of a column preform, α -2: a lower connecting section of the column prefabricated part,
beta: middle section of column preform, θ: a beam-column joint section of a column prefabricated part,
a: the lower connecting section of the column prefabricated part to be installed,
b: the upper connecting section of the lower section column prefabricated member after being installed,
c: and concrete concreting parts poured in the cavity of the lower section column prefabricated part.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example one
As shown in fig. 1 to 5, the column prefabricated member provided by the present invention comprises a column mold sleeve 1, a plurality of inner partition plates 2, a plurality of longitudinal steel bars 3 and a protective layer 4; the inner baffle 2 is arranged in the column die sleeve 1 and is connected with the column die sleeve 1 and the longitudinal steel bar 3, the longitudinal steel bar 3 is arranged on the inner wall of the column die sleeve 1 and is connected with the column die sleeve 1, and the protective layer 4 is arranged on the outer side wall of the column die sleeve 1.
The utility model provides a post prefab, it accomplishes at the mill prefabrication, transports to the building site on-the-spot and assembles the completion back in the preset position of structure post, forms the structure post promptly after pouring concrete element in the cavity of the post prefab of this application.
As shown in fig. 1 to 5, the column form 1 is preferably a steel form, the cross section of the steel form is square or L-shaped or T-shaped or cross-shaped or other special shapes, the column form 1 is provided with a hole communicated with a beam at a position corresponding to a structural beam, and after the prefabricated members such as on-site beams, columns, shear walls and plates are assembled, concrete concreting is poured in the cavity of the column prefabricated member and on the beam and plate laminated layer, so that a structural system including the structural beam and the structural column can be integrated.
The longitudinal steel bar 3 can adopt one or more of plain steel bar, ribbed steel bar, steel wire, steel strand, cold-rolled twisted steel bar and flat steel. In this embodiment, vertical billet 3 adopts the reinforcing bar, sets up respectively on the corner and the inside wall of column die sleeve 1.
The inner partition plate 2 is connected with the column die sleeve 1 and also connected with the longitudinal steel bar 3, and the connection mode in the embodiment adopts welding.
As shown in fig. 3, the inner partition 2 is provided with holes 21 at intervals, so that concrete concreting parts on two sides of the inner partition 2 can be communicated.
As shown in fig. 1-5, the inner baffle 2 of this application holds vertical billet 3 and post die sleeve 1, and inner baffle 2 and the inseparable interlock of concrete setting piece, and post die sleeve 1 plays the restraint effect to the concrete, and post die sleeve 1, inner baffle 2, vertical billet 3 in the structural column and concrete setting piece form a whole, and various materials can full play the biggest advantage separately.
As shown in fig. 6, the protective layer 4 is disposed on the outer sidewall of the column die sleeve 1, and the protective layer 4 may be provided with corresponding protective layers according to different protective requirements.
Preferably, the protective layer 4 may include a steel wire mesh 42 to firmly connect the protective layer 4 with the column form cover 1.
On the lateral wall of column die sleeve 1 inoxidizing coating 4 includes heat preservation layering 41, wire net 42 and protection layering 43, and wire net 42 passes through wire net connecting piece 44 interval with column die sleeve 1 and is connected and bury in protection layering 43 for inoxidizing coating 4 and column die sleeve 1 firm in connection. In this embodiment, the protective layer 43 is formed by foam concrete.
Preferably, when the column prefabricated member is manufactured, the protective layer is not arranged at the connecting position of the upper section column prefabricated member and the lower section column prefabricated member, and the protective layer is additionally arranged after the column prefabricated member is assembled in the field installation.
As shown in fig. 7, the column preform of the present application is provided with end plates 5 at both ends thereof, the end plates being provided with holes 51; the positions of the holes 51 of the upper and lower section column end plates correspond to each other, so that the cavities in the column prefabricated members of the upper and lower sections after splicing can be communicated; the size and location of the end plate opening 51 facilitates insertion of the shear connector. The number, location, and shape of the end plate holes 51 are not limited in this application.
The utility model provides a post prefab both ends set up the end plate, are favorable to post prefab both ends shape accuracy, and are favorable to strengthening the connection between the upper and lower section post.
As shown in FIGS. 8 to 10, shear connectors 6 are provided at the connection positions of the upper and lower column preforms. The shear connector 6 of the present embodiment includes shear reinforcements 61 and shear steel pipes 62.
When the column prefabricated member is vertically spliced, a shear connector preset at the top end of one section of the column prefabricated member is inserted into the cavity of the other section of the column prefabricated member, or when the column prefabricated member is vertically spliced, the shear connector is simultaneously inserted into the cavity of the upper section of the column prefabricated member and the cavity of the lower section of the column prefabricated member.
The method for forming the shear connector at the connecting position of the upper and lower sections of the column prefabricated member comprises the following steps: the shear connector can be preset on one of the column prefabricated members during manufacturing; or by inserting shear connectors into the column ends while casting concrete elements in the column pre-forms in situ; or the shear connectors can be directly placed at the connecting positions of the upper and lower sections of the column prefabricated member to form the column prefabricated member during on-site vertical splicing of the column prefabricated member.
The shear connector of the present embodiment is formed by inserting the shear connector into the concrete member at the column end when the concrete member is cast in situ.
The shear connector is arranged at the connecting position of the two sections of column prefabricated members, so that the bearing capacity of the connecting position of the column prefabricated members is improved. The number, location, materials and methods of formation of the shear connectors are not limited, nor are the shear connectors considered essential components of the present application.
As shown in fig. 10, before the column precast member is installed in place, concrete is poured into the cavity of the lower column precast member, and the shear connectors are fixed in the lower column concrete. When the column prefabricated part and the lower column are vertically spliced, the shear connector at the top end of the lower column is inserted into a cavity of the column prefabricated part, after the plane position and the verticality are corrected, the upper column and the lower column are in butt welding connection, and full welding connection or intermittent welding is adopted for welding.
Example two
As shown in fig. 11, the present embodiment discloses a method for manufacturing a pillar preform according to the first embodiment, including the steps of:
s1: manufacturing the column die sleeve according to a preset shape, wherein the middle section of the column die sleeve is connected with the connecting sections at the two ends, and the position of the column die sleeve corresponding to the structural beam is provided with a hole connected with the beam;
s2: manufacturing an inner partition plate;
s3: installing the inner partition plate and the longitudinal steel bar at a preset position in the column die sleeve; the inner baffle is connected with the column die sleeve and the longitudinal steel bar at the same time;
s4: mounting end plates at two ends of the column die sleeve;
s5: and manufacturing a protective layer of the outer side wall of the column die sleeve.
Preferably, when the column prefabricated member is manufactured, the protective layer is not manufactured at the connecting position of the upper section column prefabricated member and the lower section column prefabricated member, and the protective layer is additionally manufactured after the column prefabricated member is assembled on site.
Preferably, the column preform is fabricated with local reinforcement at the beam-column joint location.
EXAMPLE III
As shown in fig. 12, the present embodiment discloses a method for installing and constructing a column preform according to the first embodiment, including the following steps:
s1: hoisting the column prefabricated member in place at a preset position of the structural column;
s2: vertically splicing the column prefabricated members;
s3: and (5) making a protective layer at the connecting position of the upper and lower sections of the column prefabricated member.
Preferably, the method for forming the shear connector at the connection position of the upper and lower column preforms comprises the following steps: when the column prefabricated members are vertically spliced, a shear connector preset at the top end of one section of the column prefabricated member is inserted into a cavity of the other section of the column prefabricated member; or when the column prefabricated member is vertically spliced, the shear connector is simultaneously inserted into the cavity of the upper section of the column prefabricated member and the cavity of the lower section of the column prefabricated member.
The shear connector of the present embodiment is formed by inserting the shear connector into the concrete member at the column end when the concrete member is cast in situ.
Preferably, the connection mode between the two sections of column prefabricated members adopts welding.
The vertical splicing process of the column prefabricated member comprises the following steps: inserting a shear connector while the section of column is in butt joint with the lower section of column, correcting the plane position and the verticality, performing spot welding for temporary fixation, performing butt welding on the upper section of column and the lower section of column, and performing full-length welding or intermittent welding.
And after the vertical splicing of the column prefabricated members is finished, pouring concrete concreting parts in the cavities of the column prefabricated members to form the structural columns.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (6)
1. A column preform characterized by: the device comprises a column die sleeve, a plurality of inner baffles, a plurality of longitudinal steel bars and a protective layer;
the inner baffle is arranged in the column die sleeve and connected with the column die sleeve, the longitudinal steel bar is arranged on the inner wall of the column die sleeve and connected with the column die sleeve, and the protective layer is arranged on the outer side wall of the column die sleeve.
2. The column preform of claim 1, wherein: and the column formwork sleeve is provided with a hole communicated with the beam at a position corresponding to the structural beam.
3. The column preform of claim 1, wherein: end plates are arranged at two ends of the column prefabricated part and connected with the column die sleeve; the end plate is provided with a hole, the positions of the holes of the upper section column end plate and the lower section column end plate correspond to each other, and the upper section column end plate and the lower section column end plate are communicated with a cavity in the column prefabricated member after the column prefabricated member is spliced.
4. The column preform of claim 1, wherein: the inner partition plate is provided with holes at intervals.
5. The column preform of claim 1, wherein: the inner baffle is connected with the column die sleeve and the longitudinal steel bar at the same time.
6. The column preform of claim 1, wherein: the two ends of the column die sleeve comprise connecting sections; relative to the middle section, the connecting section has the same or increased thickness and same or increased material strength as the inner hollow size of the middle section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747892.2U CN212405751U (en) | 2020-04-27 | 2020-04-27 | Column prefabricated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747892.2U CN212405751U (en) | 2020-04-27 | 2020-04-27 | Column prefabricated part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212405751U true CN212405751U (en) | 2021-01-26 |
Family
ID=74375827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020747892.2U Active CN212405751U (en) | 2020-04-27 | 2020-04-27 | Column prefabricated part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212405751U (en) |
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2020
- 2020-04-27 CN CN202020747892.2U patent/CN212405751U/en active Active
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