CN112681730A - Prefabricated formwork column and machining method thereof - Google Patents
Prefabricated formwork column and machining method thereof Download PDFInfo
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- CN112681730A CN112681730A CN202110173883.6A CN202110173883A CN112681730A CN 112681730 A CN112681730 A CN 112681730A CN 202110173883 A CN202110173883 A CN 202110173883A CN 112681730 A CN112681730 A CN 112681730A
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- 238000009415 formwork Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000003754 machining Methods 0.000 title description 2
- 230000002787 reinforcement Effects 0.000 claims abstract description 111
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000003672 processing method Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 61
- 239000010959 steel Substances 0.000 claims description 61
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a prefabricated formwork column and a processing method thereof, wherein the prefabricated formwork column comprises a concrete shell, any cross section of the concrete shell is square and equal in size, the concrete shell is a dismounting-free shell, a structural reinforcement cage is arranged in the concrete shell, a reinforcement lantern ring is arranged on the structural reinforcement cage, a first longitudinal reinforcement is placed in a hollow area of the concrete shell, the first longitudinal reinforcement penetrates through the reinforcement lantern ring, and the hollow area of the concrete shell is square and is poured by concrete. According to the invention, the concrete shell is prefabricated in a factory in advance, and is taken as a column template, so that the time for erecting the template is saved, the structural reinforcement cage is erected in the concrete shell, the strength of the concrete shell is increased, the stability and rigidity of the shell during cast-in-place concrete are ensured, the construction procedure is simplified, and the construction period is accelerated.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a prefabricated formwork column and a processing method thereof.
Background
In a building, columns are used for supporting a beam truss and mainly bear pressure and sometimes bear bending moment; at present, in the building work process, the post is the mode that adopts cast in situ concrete mostly, and this kind of building mode needs on-the-spot ligature steel reinforcement cage to prop up and establish and demolish the template, this needs a large amount of manpower and materials, has also increased the time cost simultaneously, is unfavorable for whole construction progress.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a prefabricated formwork column and a method for manufacturing the same, wherein a concrete shell is prefabricated in a factory in advance, and the concrete shell is used as a formwork for the column, so that the formwork erecting time is saved, a structural reinforcement cage is erected in the concrete shell, the strength of the concrete shell is increased, the stability and rigidity of the shell during the cast-in-place of concrete are ensured, the construction procedure is simplified, and the construction period is shortened.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a prefabricated formwork column, includes the concrete casing, arbitrary cross section of concrete casing all is square and the size equals, the concrete casing is exempts from to demolish the casing, be equipped with the structure reinforcement cage in the concrete casing, be equipped with the reinforcing bar lantern ring on the structure reinforcement cage, first longitudinal reinforcement has been placed in the hollow region of concrete casing, first longitudinal reinforcement passes the reinforcing bar lantern ring, the hollow region of concrete casing is square and with concrete placement.
Furthermore, the concrete shell is made of concrete after centrifugal rotation.
Further, construct the steel reinforcement cage and include the vertical reinforcing bar of second and horizontal reinforcing bar, same vertical adjacent two distance between the horizontal reinforcing bar all is equal, construct the steel reinforcement cage and run through the direction of height of concrete casing, the vertical reinforcing bar of second and the horizontal reinforcing bar of four sides of constructing the steel reinforcement cage are all pre-buried in the concrete casing, the cross section of constructing the steel reinforcement cage is "mouth" style of calligraphy, "field" style of calligraphy or "weig" style of calligraphy.
Furthermore, the steel bar lantern ring is fixed through first connecting reinforcement on the horizontal reinforcing bar of structure steel bar cage four sides, and is same vertical on the horizontal reinforcing bar the centre of a circle of steel bar lantern ring all is on same longitudinal line, the partial reinforcing bar of first connecting reinforcement is pre-buried in the concrete casing, adjacent two be connected with the second connecting reinforcement between the steel bar lantern ring, the steel bar lantern ring with the second connecting reinforcement is on same horizontal plane, just the steel bar lantern ring with the second connecting reinforcement all places in the hollow area of concrete casing.
Further, prefabricated formwork column still includes the connecting rod of steel reinforcement, the connecting rod of steel reinforcement is pre-buried in the concrete casing with wallboard butt joint department, the connecting rod of steel reinforcement includes a cover muscle section of thick bamboo and telescopic reinforcement, telescopic reinforcement places in the cover muscle section of thick bamboo just telescopic reinforcement's tip is located outside the cover muscle section of thick bamboo, the terminal surface of a cover muscle section of thick bamboo with the side of concrete casing is on the coplanar, telescopic reinforcement passes through the reservation reinforcing bar fixed connection in welding mode and the wallboard.
A processing method of a prefabricated formwork column comprises the following steps:
s1: binding a structural reinforcement cage, and fixing a reinforcement lantern ring through a first connecting reinforcement and a second connecting reinforcement;
s2: cleaning the square die and the four right-angled triangular core rods and coating a release agent;
s3: placing the structural reinforcement cage into a square mold, and then respectively placing four right-angled triangular core rods at four corners of the structural reinforcement cage;
s4: uniformly pouring the proportioned concrete into a square mould, and mounting and fixing the square mould;
s5: placing the square mould on a centrifuge for rotation, and taking down the square mould after the rotation is stopped;
s6: and after the prefabricated formwork column is formed, removing the square mould and the right-angled triangular core rod, and performing steam curing on the prefabricated formwork column.
Further, in S3, the right-angled triangular mandrel is placed inside the structural reinforcement cage, the right-angled side of the right-angled triangular mandrel is parallel to the side of the square mold, and a certain distance is provided between the right-angled triangular mandrel and the square mold, where the distance is the wall thickness of the prefabricated mold shell column.
Further, the steel bar lantern ring is not arranged on the construction steel bar cage at the position of the right-angled triangle core bar.
Further, the S2 includes fixing the reinforcing bar coupler bars to the inner wall of the square mold.
Compared with the prior art, the invention has the beneficial effects that: the concrete is prefabricated into the column shell in advance in a factory by adopting the centrifugal machine, and the concrete shell is used as a template of the column, so that the time for erecting and disassembling the template in the traditional method for constructing the column is saved; the structural reinforcement cage is pre-embedded in the concrete shell in advance, so that the strength and rigidity of the shell are improved, and the concrete shell is prevented from cracking due to high pressure when concrete is cast in situ; in addition, the steel bar ferrules in the concrete shell are interconnected through the second connecting steel bars and fixedly connected with the structural steel bar cage through the first connecting steel bars, so that after the first longitudinal steel bars are inserted into the steel bar ferrules, the interconnected steel bar ferrules form stirrups relative to the first longitudinal steel bars, the stirrups and the structural steel bar cage form a whole under the action of the first connecting steel bars, and the compressive strength and the shear strength of the whole column are improved after concrete is poured; the pre-buried bar connection pole in the concrete casing is connected with the reservation reinforcing bar in the wallboard, has increased joint strength and shear strength between prefabricated formwork post and the wallboard.
Drawings
Fig. 1 is a schematic structural view of a prefabricated formwork column according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a prefabricated formwork column according to a second embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a prefabricated formwork column and wall panel splice according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a reinforcement cage constructed in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the reinforcing bar coupler of the present invention;
FIG. 6 is a cross-sectional view of the construction of the reinforcement cage in the square mold of the present invention;
FIG. 7 is a schematic structural view of a right-angled triangular mandrel of the present invention;
in the figure: 1-a concrete shell; 2-constructing a reinforcement cage; 3-steel bar lantern ring; 4-a hollow region of the concrete shell; 5-a first longitudinal reinforcement; 6-first connecting steel bars; 7-second connecting steel bars; 8-a steel bar connecting rod; 9-a wall body; 10-reserved steel bars in the wall plate; 11-a square mould; 12-right-angled triangle core rod; 21-a second longitudinal bar; 22-transverse steel bars; 81-sleeve rib cylinder; 82-telescopic reinforcing steel bars; 121-mandrel body; 122-a handle; 123-pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "longitudinal", "lateral", "horizontal", "height", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 4, in an embodiment of the present invention, a prefabricated formwork column is provided, including a concrete casing 1, any cross section of the concrete casing 1 is square and has the same size, the concrete casing 1 is a dismantling-free casing, so that a formwork erecting time is saved, a structural reinforcement cage 2 is disposed in the concrete casing 1, so as to increase strength and rigidity of the concrete casing 1, prevent cracking of the concrete casing 1 due to a large pressure during cast-in-place concrete, a reinforcement collar 3 is disposed on the structural reinforcement cage 2, a first longitudinal reinforcement 5 is disposed in a hollow area 4 of the concrete casing, the first longitudinal reinforcement 5 penetrates through the reinforcement collar 3, and the hollow area 4 of the concrete casing is square and is cast with concrete.
The concrete shell 1 is made of concrete after centrifugal rotation.
Construct steel reinforcement cage 2 and include second longitudinal reinforcement 21 and horizontal reinforcing bar 22, same vertical ascending adjacent two distance between the horizontal reinforcing bar 22 all is equal, construct steel reinforcement cage 2 and run through the direction of height of concrete casing 1, the second longitudinal reinforcement 21 of structure steel reinforcement cage 2 and the horizontal reinforcing bar 22 of four sides are all pre-buried in the concrete casing 1, the cross section of constructing steel reinforcement cage 2 is "mouth" style of calligraphy, "field" style of calligraphy or "weig" style of calligraphy.
The steel bar lantern ring 3 is fixed through first connecting reinforcement 6 on the horizontal reinforcing bar 22 of 2 four sides of structure steel reinforcement cage, same vertical on the horizontal reinforcing bar 22 the centre of a circle of steel bar lantern ring 3 all is on same longitudinal line, guarantees that first longitudinal reinforcement 5 passes smoothly, the partial reinforcing bar of first connecting reinforcement 6 is pre-buried in the concrete casing 1, adjacent two be connected with second connecting reinforcement 7 between the steel bar lantern ring 3, the steel bar lantern ring 3 with second connecting reinforcement 7 is on same horizontal plane, just the steel bar lantern ring 3 with second connecting reinforcement 7 all places in the hollow region 4 of concrete casing, the steel bar lantern ring 3 of connecting through second connecting reinforcement 7 has formed the stirrup for first longitudinal reinforcement 5.
As shown in fig. 2-3 and fig. 5, in the second embodiment, the prefabricated formwork column further includes a reinforcing steel bar connecting rod 8, the reinforcing steel bar connecting rod 8 is pre-embedded in the joint with the wall plate 9 in the concrete casing 1, the reinforcing steel bar connecting rod 8 includes a sleeve rib cylinder 81 and telescopic steel bars 82, the telescopic steel bars 82 are placed in the sleeve rib cylinder 81 and the end portions of the telescopic steel bars 82 are located outside the sleeve rib cylinder 81, the end surface of the sleeve rib cylinder 81 and the side surface of the concrete casing 1 are on the same plane, the telescopic steel bars 82 are fixedly connected with the reserved steel bars 10 in the wall plate through a welding mode, and the connection strength and the shear strength between the prefabricated formwork column and the wall plate 9 are increased.
As shown in fig. 6-7, a method for processing a prefabricated formwork column comprises the following steps:
s1: binding a structural reinforcement cage 2, and fixing a reinforcement lantern ring 3 through a first connecting reinforcement 6 and a second connecting reinforcement 7;
s2: cleaning the square die 11 and the four right-angled triangular core rods 12 and coating a release agent;
s3: placing the structural reinforcement cage 2 into a square mould 11, and then respectively placing four right-angled triangular core rods 12 at four corners of the structural reinforcement cage 2;
s4: uniformly pouring the proportioned concrete into the square mould 11, and mounting and fixing the square mould;
s5: placing the square mould 11 on a centrifuge for rotation, and taking down the square mould after the rotation is stopped;
s6: after the prefabricated formwork column is formed, the square die 11 and the right-angled triangle core rod 12 are removed, and steam curing is carried out on the prefabricated formwork column.
In S3, the right-angle triangular core rod 12 is placed inside the structural reinforcement cage 2, the right-angle side of the right-angle triangular core rod 12 is parallel to the side of the square mold 11, and a certain distance is provided between the right-angle triangular core rod 12 and the square mold 11, where the distance is the wall thickness of the prefabricated formwork column; under the action of the right-angled triangular core rod 12, the hollow region 4 of the concrete shell assumes a square configuration.
The right-angled triangle core rod 12 is fixed in the square die 11 through the cover plates at the two ends of the square die 11, and the positions of the structural reinforcement cage 2 and the square die 11 are fixed because the right-angled triangle core rod 12 is also placed in the structural reinforcement cage 2 at the same time.
The steel bar lantern ring 3 is not arranged on the structural steel bar cage 2 positioned at the right-angled triangle core bar 12, so that the condition that the right-angled triangle core bar 12 and the steel bar lantern ring 3 collide with each other is avoided.
The S2 further includes fixing the reinforcing bar coupler bars 8 to the inner wall of the square mold 11.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.
Claims (9)
1. The utility model provides a prefabricated formwork column, includes the concrete casing, its characterized in that, arbitrary cross section of concrete casing all is square and the size equals, the concrete casing is exempts from to demolish the casing, be equipped with the structure steel reinforcement cage in the concrete casing, be equipped with the steel reinforcement lantern ring on the structure steel reinforcement cage, first longitudinal reinforcement has been placed in the hollow region of concrete casing, first longitudinal reinforcement passes the steel reinforcement lantern ring, the hollow region of concrete casing is square and pours with concrete.
2. A prefabricated formwork column as claimed in claim 1, wherein the concrete shell is formed from concrete by centrifugal rotation.
3. The prefabricated formwork column of claim 1, wherein the structural reinforcement cage comprises second longitudinal reinforcements and transverse reinforcements, two adjacent longitudinal reinforcements are equal to each other in distance between the transverse reinforcements, the structural reinforcement cage penetrates through the height direction of the concrete shell, the second longitudinal reinforcements of the structural reinforcement cage and the transverse reinforcements of four sides of the structural reinforcement cage are embedded in the concrete shell, and the cross section of the structural reinforcement cage is in a shape like a Chinese character 'kou', a shape like a Chinese character 'tian' or a shape like a Chinese character 'wei'.
4. The prefabricated formwork column as claimed in claim 1, wherein the reinforcement lantern rings are fixed on transverse reinforcements on four sides of the structural reinforcement cage through first connecting reinforcements, centers of circles of the reinforcement lantern rings on the transverse reinforcements in the same longitudinal direction are on the same longitudinal line, part of reinforcements of the first connecting reinforcements are embedded in the concrete shell, second connecting reinforcements are connected between every two adjacent reinforcement lantern rings, the reinforcement lantern rings and the second connecting reinforcements are on the same horizontal plane, and the reinforcement lantern rings and the second connecting reinforcements are placed in a hollow area of the concrete shell.
5. The prefabricated formwork column as claimed in claim 1, wherein the prefabricated formwork column further comprises a steel bar connecting rod, the steel bar connecting rod is embedded in the concrete shell at the joint with the wallboard, the steel bar connecting rod comprises a sleeve rib cylinder and telescopic steel bars, the telescopic steel bars are placed in the sleeve rib cylinder, the end portions of the telescopic steel bars are located outside the sleeve rib cylinder, the end face of the sleeve rib cylinder and the side face of the concrete shell are located on the same plane, and the telescopic steel bars are fixedly connected with reserved steel bars in the wallboard in a welding mode.
6. A processing method of a prefabricated formwork column is characterized by comprising the following steps:
s1: binding a structural reinforcement cage, and fixing a reinforcement lantern ring through a first connecting reinforcement and a second connecting reinforcement;
s2: cleaning the square die and the four right-angled triangular core rods and coating a release agent;
s3: placing the structural reinforcement cage into a square mold, and then respectively placing four right-angled triangular core rods at four corners of the structural reinforcement cage;
s4: uniformly pouring the proportioned concrete into a square mould, and mounting and fixing the square mould;
s5: placing the square mould on a centrifuge for rotation, and taking down the square mould after the rotation is stopped;
s6: and after the prefabricated formwork column is formed, removing the square mould and the right-angled triangular core rod, and performing steam curing on the prefabricated formwork column.
7. The method as claimed in claim 6, wherein in step S3, the right-angle triangular mandrel is placed inside the construction steel reinforcement cage, the right-angle side of the right-angle triangular mandrel is parallel to the side of the square mold, and there is a certain distance between the right-angle triangular mandrel and the square mold, and the distance is the wall thickness of the prefabricated formwork column.
8. The method as claimed in claim 6, wherein the reinforcement cage at the right-angled triangle core rod is not provided with the reinforcement collar.
9. The method as claimed in claim 6, wherein the step S2 further comprises fixing a reinforcing bar connecting bar to an inner wall of the square mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173883.6A CN112681730A (en) | 2021-02-09 | 2021-02-09 | Prefabricated formwork column and machining method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173883.6A CN112681730A (en) | 2021-02-09 | 2021-02-09 | Prefabricated formwork column and machining method thereof |
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| CN112681730A true CN112681730A (en) | 2021-04-20 |
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| CN202110173883.6A Pending CN112681730A (en) | 2021-02-09 | 2021-02-09 | Prefabricated formwork column and machining method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704095A (en) * | 2022-04-15 | 2022-07-05 | 濮阳市宏超建筑安装有限公司 | Continuous casting equipment and method for reinforcement cage concrete pipe in building |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984471A (en) * | 2019-12-06 | 2020-04-10 | 北京工业大学 | Semi-prefabricated reinforced concrete column with shear keys and construction method thereof |
-
2021
- 2021-02-09 CN CN202110173883.6A patent/CN112681730A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984471A (en) * | 2019-12-06 | 2020-04-10 | 北京工业大学 | Semi-prefabricated reinforced concrete column with shear keys and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704095A (en) * | 2022-04-15 | 2022-07-05 | 濮阳市宏超建筑安装有限公司 | Continuous casting equipment and method for reinforcement cage concrete pipe in building |
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Application publication date: 20210420 |
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