CN111042441A - Mold-free superposed column and construction method thereof - Google Patents
Mold-free superposed column and construction method thereof Download PDFInfo
- Publication number
- CN111042441A CN111042441A CN201911305220.4A CN201911305220A CN111042441A CN 111042441 A CN111042441 A CN 111042441A CN 201911305220 A CN201911305220 A CN 201911305220A CN 111042441 A CN111042441 A CN 111042441A
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- concrete
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- column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
Abstract
The invention discloses a mold-free superposed column and a construction method thereof. The construction method comprises the following steps: (1) binding a column reinforcement cage; (2) building concrete prefabricated building blocks and binding and connecting beard ribs, and building each concrete prefabricated building block in a staggered joint manner; (3) and pouring concrete to finally form the mould-free superposed column. The mould-free superposed column does not need additional formwork supporting and formwork removing operations, is convenient and quick to construct, greatly shortens the construction period, saves the construction cost and can realize industrialization.
Description
Technical Field
The invention relates to the field of building construction, in particular to a mold-free superposed column and a construction method thereof.
Background
The prefabricated building is vigorously developed in China, building industrialization becomes a necessary trend for the development of the building industry, a full cast-in-place building mode is changed into an integral assembling building mode of factory prefabrication and field assembly, and the integral assembling building mode becomes the mission of building practitioners at present.
At present, when a cast-in-place concrete column is constructed, concrete can be poured only by firstly erecting a wood template or a steel template, and the template can be dismantled to form the cast-in-place concrete column after the concrete reaches a certain strength. A large amount of manpower, material resources and time are consumed for formwork supporting and formwork removing. A large amount of forest resources are consumed for manufacturing the wood template, the repeated utilization rate of the wood template is low, resource waste is caused, and serious harm is brought to the environment of China. The traditional steel form has the problems of great weight, inconvenient disassembly, high labor intensity of operators and the like.
Disclosure of Invention
The invention aims to provide a mould-free superposed column and a construction method thereof. The mould-free superposed column does not need additional formwork supporting and formwork removing functions, is convenient and quick to construct, greatly shortens the construction period, saves the construction cost, can realize industrialization and does not damage the environment.
The invention aims to realize the mould-free superposed column, which comprises a concrete prefabricated side wall, a reinforcement cage and cast-in-place concrete, wherein the concrete prefabricated side wall is built by a plurality of layers of concrete prefabricated building block layers, the cast-in-place concrete is filled in the concrete prefabricated side wall, and the reinforcement cage connected with the concrete prefabricated side wall is arranged in the cast-in-place concrete.
The concrete precast block layer is formed by splicing two concrete precast blocks.
The precast concrete building blocks in the embedded stirrup, the stirrup is provided with the beard rib, and the binding and overlapping connection is performed between the beard ribs, so after concrete is poured, the connection between the precast concrete side wall and cast-in-place concrete can be enhanced, and the integrity of the superposed column is better.
The precast concrete block inboard be the mat surface, the tip is equipped with the fin, and fin length is less than the length of stirrup beard muscle, when consequently building precast concrete block, can ensure that there is certain overlap joint length when stirrup beard muscle ligature, during the concreting, can strengthen the coincide face shear resistance of precast concrete lateral wall and cast in situ concrete.
And the up and down adjacent concrete precast blocks of the concrete precast side wall are constructed in staggered joints.
The end parts of the concrete precast blocks are provided with connecting holes, and the adjacent concrete precast blocks are inserted into the connecting holes through connecting pieces to be connected; the connecting piece is provided with a positioning hole, and the positioning rod is connected in series with the positioning hole on the coaxial line to position the connecting piece.
In order to manufacture the mould-free superposed column, when the invention adopts a wet-laying method for construction, the invention comprises the following steps: (1) binding a column reinforcement cage; (2) building the concrete precast blocks layer by layer around the column reinforcement cage by adopting a wet building method, splicing two concrete precast blocks in the same layer and binding and connecting beard bars, and building the concrete precast blocks adjacent up and down in a staggered joint manner; until a precast concrete side wall is formed, (3) when the mortar joint reaches a preset strength, pouring concrete into the precast concrete side wall, and finally forming the mold-free superposed column. The concrete precast blocks can be precast in factories according to the concrete sizes of the columns, then transported to the site, and spliced and built manually. The staggered joint masonry of the concrete precast blocks can ensure the stability of the concrete precast side wall during the concrete pouring construction when mortar joint mortar reaches the preset strength.
In order to manufacture the mould-free superposed column, the invention adopts a dry-masonry method for construction, and comprises the following steps: (1) binding a column reinforcement cage; (2) building the concrete precast blocks with the end parts provided with the connecting holes layer by layer around the column steel reinforcement cage by a dry building method, splicing two concrete precast blocks in the same layer and binding and connecting the beard bars, and building the concrete precast blocks which are adjacent up and down in a staggered joint manner; until the prefabricated concrete side wall is formed; (3) inserting a connecting piece with a positioning hole into connecting holes of two concrete prefabricated blocks in the same layer on the side wall of the concrete prefabricated part to connect the two concrete prefabricated blocks, and serially connecting positioning rods with the positioning holes on the same line to position the connecting piece; (4) and pouring concrete into the precast concrete side wall, removing the positioning rod and the connecting piece after the concrete reaches a certain strength, spraying concrete in the hole for filling, forming a bare concrete cylindrical surface, and finally forming the mold-free superposed column.
According to the mold-free superposed column, the precast concrete side wall is superposed with the cast-in-place concrete and is a part of the whole mold-free superposed column, and meanwhile, the precast concrete side wall is also used as a template on the periphery of the cast-in-place concrete, so that additional formwork supporting and formwork removing operations are not needed. The concrete prefabricated side wall is formed by splicing and building concrete prefabricated building blocks, construction is convenient and rapid, in addition, the concrete prefabricated building blocks can realize factory production and standardized operation, construction efficiency is improved, construction period is shortened, labor intensity of operators is reduced, and construction cost is saved.
Drawings
Both the figures 1 and 2 are schematic structural diagrams of concrete precast blocks;
fig. 3 is a top view of a concrete precast block;
fig. 4 is a top view of a concrete precast block for a circular composite post;
FIG. 5 is a view showing the construction of the connector;
FIG. 6 is a schematic view of a positioning rod structure;
FIG. 7 is a schematic structural view of a spliced concrete precast block after a column reinforcement cage is bound;
FIG. 8 is a schematic structural view of a concrete precast side plate formed after the concrete precast blocks are built;
FIG. 9 is a schematic structural view of a mold-free laminated column after concrete is poured;
FIG. 10 is a schematic structural view of a connecting member inserted after splicing of concrete precast blocks;
FIG. 11 is a schematic view of the cast concrete structure after the positioning rods are connected in series with the positioning holes on the coaxial lines to position the connecting members;
FIG. 12 is a schematic structural view of a mold-free superposed column after dry-masonry construction is completed;
FIG. 13 is a top view of a mold-free, telescoping column;
FIG. 14 is a block diagram of another embodiment of a mold-free laminated column.
Detailed Description
The following structure is combined with the accompanying drawings in the embodiment of the present invention to further explain the technical solution in the embodiment of the present invention.
As shown in fig. 1 to 14, the mold-free superposed column of the present invention comprises a precast concrete side wall, a reinforcement cage 8, and cast-in-place concrete 9, wherein the precast concrete side wall is built by multiple precast concrete block layers, the cast-in-place concrete 9 is filled in the precast concrete side wall, and the reinforcement cage 8 connected with the precast concrete side wall is arranged in the cast-in-place concrete 9. The concrete precast block layer is formed by splicing two concrete precast blocks 1.
Referring to fig. 1-4, a concrete precast block 1 is illustrated, wherein fig. 1-3 illustrate a half-square block, and fig. 4 illustrates a half-circle block; the stirrups are embedded in the concrete prefabricated building block 1, the stirrups are provided with the beard ribs 3, and the beard ribs 3 are bound and connected in a lap joint manner, so that after the concrete 9 is poured, the connection between the concrete prefabricated side wall and the cast-in-place concrete 9 can be enhanced, and the integrity of the superposed column is better; the inside of the concrete precast block 1 is a rough surface, the end part of the concrete precast block is provided with a convex rib 2, the length of the convex rib 2 is smaller than that of the beard rib 3, therefore, when the concrete precast block 1 is built, certain lap joint length can be ensured when the stirrup beard rib 3 is bound, and when concrete 9 is poured, the shearing resistance of the superposed surface of the concrete precast side wall and the cast-in-place concrete 9 can be enhanced.
Referring to fig. 2, the end of each concrete precast block 1 is provided with a connecting hole 4, and the adjacent concrete precast blocks 1 are inserted into the connecting holes 4 through connecting pieces 5 to be connected; the connecting piece 5 comprises a piece body with a positioning hole 6, two parallel inserting rods are arranged at the end part of the piece body, the axis of the positioning hole 6 is vertical to the plane where the two inserting rods are located, and the positioning rod 7 is serially connected with the positioning hole 6 which is located on the same axis to position the connecting piece 5. Referring to fig. 5-6, a connecting member 5 and a positioning rod 7 for manufacturing the above-mentioned mold-free composite column are respectively provided, when the concrete precast block 1 is connected and constructed, the connecting member 5 is inserted into a connecting hole 4 of two horizontally (horizontally) adjacent concrete precast blocks 1 (i.e. two concrete precast blocks in or on the same layer of the concrete precast block layer) through two insertion rods on the side wall of the concrete precast block, and the connecting member 5 is positioned by connecting the positioning rod 7 in series with a positioning hole 6 located on the same axis in the longitudinal direction.
Referring to fig. 7-9, in order to illustrate the process of manufacturing the above-mentioned mold-free composite column, the construction method of the present invention using the wet-laying method includes the following steps: (1) binding a column reinforcement cage 8, and referring to fig. 7; (2) building the concrete precast blocks 1 and binding and connecting the stirrup and beard bars 3, and building each concrete precast block 1 in staggered joints, referring to fig. 8; (3) when the mortar joint 10 reaches the preset strength, concrete 9 is poured, and finally the mould-free superposed column is formed, and the reference figure 9 shows. The size of the concrete precast block 1 can be precast in a factory according to the concrete size of the column, and then the concrete precast block is transported to the site and is spliced and built manually. The precast concrete blocks 1 are constructed in staggered joints, and when mortar joint mortar 10 reaches preset strength, the stability of the precast concrete side wall can be ensured during the construction of pouring concrete 9.
Referring to fig. 7, 10-12, another schematic process diagram for manufacturing the above mold-free composite column is shown, and the construction method of the present invention is implemented by a dry-masonry method, and includes the following steps: (1) binding a column reinforcement cage 8, and referring to fig. 7; (2) splicing the concrete precast blocks 1 in a staggered way by a dry-laying method and binding and connecting the beard ribs 3, and referring to fig. 10; (3) inserting the connecting piece 5 into the connecting hole 4 on the prefabricated concrete side wall for connection, and serially connecting the positioning holes 6 on the same axis by using positioning rods 7 to position the connecting piece 5, referring to fig. 11; (4) and (3) pouring concrete 9, removing the positioning rods 7 and the connecting pieces 5 after the concrete reaches a certain strength, spraying concrete in the holes for filling, forming a bare concrete cylindrical surface, and finally forming the mold-free superposed column, referring to fig. 12.
Referring to fig. 9, 12-14, the structural schematic diagrams of the mold-free composite column are both schematic diagrams, and the mold-free composite column includes a precast concrete side wall, a reinforcement cage 8, and cast-in-place concrete 9, where the precast concrete side wall is built by multiple precast concrete block layers, the cast-in-place concrete 9 is filled in the precast concrete side wall, and the reinforcement cage 8 connected with the precast concrete side wall is arranged in the cast-in-place concrete 9. According to the mold-free superposed column, the precast concrete side wall is superposed with the cast-in-place concrete 9 and is a part of the whole mold-free superposed column, and meanwhile, the precast concrete side wall is also used as a template around the cast-in-place concrete 9, so that additional mold supporting and mold removing operations are not needed. The concrete prefabricated side wall is formed by splicing and building the concrete prefabricated building blocks 1, construction is convenient and fast, in addition, the concrete prefabricated building blocks 1 can realize factory production and standardized operation, construction efficiency is improved, construction period is shortened, labor intensity of operators is reduced, and construction cost is saved.
Claims (8)
1. The utility model provides a exempt from mould coincide post, includes the precast concrete lateral wall, its characterized in that: the concrete prefabricated side wall is formed by building a plurality of concrete prefabricated building block layers, cast-in-place concrete is filled in the concrete prefabricated side wall, and a reinforcement cage connected with the concrete prefabricated side wall is arranged in the cast-in-place concrete.
2. The mold-free laminated column of claim 1, wherein: each layer of the concrete precast block layer is formed by splicing two concrete precast blocks.
3. The mold-free laminated column of claim 2, wherein: the hooping is embedded in the concrete precast building block, the hooping is provided with the beard ribs, and the beard ribs are bound and connected in an overlapping manner.
4. The mold-free laminated column according to claim 2 or 3, wherein: the inner side of the concrete precast block is a rough surface, the end part of the concrete precast block is provided with a convex rib, and the length of the convex rib is less than that of the stirrup and beard rib.
5. The mold-free laminated column according to claim 2 or 3, wherein: and the up and down adjacent concrete precast blocks of the concrete precast side wall are constructed in staggered joints.
6. The mold-free laminated column according to claim 2 or 3, wherein: the end parts of the concrete prefabricated building blocks are provided with connecting holes, and the adjacent concrete prefabricated building blocks are inserted into the connecting holes through connecting pieces to be connected; the connecting piece is provided with a positioning hole, and the positioning rod is connected in series with the positioning hole on the coaxial line to position the connecting piece.
7. A method of making the mold-free laminated column of claim 3, wherein: the method comprises the following steps: (1) binding a column reinforcement cage; (2) building the concrete precast blocks layer by layer around the column reinforcement cage by adopting a wet building method, splicing two concrete precast blocks in the same layer and binding and connecting beard bars, and building the concrete precast blocks adjacent up and down in a staggered joint manner; until a precast concrete side wall is formed, (3) when the mortar joint reaches a preset strength, pouring concrete into the precast concrete side wall, and finally forming the mold-free superposed column.
8. A method of making the mold-free laminated column of claim 3, wherein: the method comprises the following steps: (1) binding a column reinforcement cage; (2) building the concrete precast blocks with the end parts provided with the connecting holes layer by layer around the column steel reinforcement cage by a dry building method, splicing two concrete precast blocks in the same layer and binding and connecting the beard bars, and building the concrete precast blocks which are adjacent up and down in a staggered joint manner; until the prefabricated concrete side wall is formed; (3) inserting a connecting piece with a positioning hole into connecting holes of two concrete prefabricated blocks in the same layer on the side wall of the concrete prefabricated part to connect the two concrete prefabricated blocks, and serially connecting positioning rods with the positioning holes on the same line to position the connecting piece; (4) and pouring concrete into the precast concrete side wall, removing the positioning rod and the connecting piece after the concrete reaches a certain strength, spraying concrete in the hole for filling, forming a bare concrete cylindrical surface, and finally forming the mold-free superposed column.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911305220.4A CN111042441A (en) | 2019-12-17 | 2019-12-17 | Mold-free superposed column and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911305220.4A CN111042441A (en) | 2019-12-17 | 2019-12-17 | Mold-free superposed column and construction method thereof |
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| CN111042441A true CN111042441A (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554331A (en) * | 2020-12-11 | 2021-03-26 | 吴莉莹 | Modular-design high-rise building frame mounting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554331A (en) * | 2020-12-11 | 2021-03-26 | 吴莉莹 | Modular-design high-rise building frame mounting structure |
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