CN118087785A - Non-dismantling template superposed hollow column structure and manufacturing process - Google Patents
Non-dismantling template superposed hollow column structure and manufacturing process Download PDFInfo
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- CN118087785A CN118087785A CN202410136201.8A CN202410136201A CN118087785A CN 118087785 A CN118087785 A CN 118087785A CN 202410136201 A CN202410136201 A CN 202410136201A CN 118087785 A CN118087785 A CN 118087785A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 100
- 239000011178 precast concrete Substances 0.000 claims abstract description 61
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009415 formwork Methods 0.000 claims description 29
- 239000004567 concrete Substances 0.000 claims description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000013585 weight reducing agent Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009416 shuttering Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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Abstract
The invention discloses a composite hollow column structure of a disassembly-free template and a manufacturing process, comprising two opposite precast concrete plates and two opposite disassembly-free templates, wherein the two precast concrete plates and the two disassembly-free templates enclose a column cavity; the precast concrete board is towards the inner chamber coincide face of roughness in the one side of cylinder cavity, and inner chamber coincide face corresponds with the length direction of cylinder cavity. The cylinder cavity is internally provided with a steel bar net rack, and two sides of the steel bar net rack are respectively poured into two precast concrete boards. The two sides of the precast concrete board are respectively provided with a lateral connecting plate, and the disassembly-free template is tightly attached to and connected with the lateral connecting plates. The side connecting plate is connected with embedded bars, and the embedded bars are poured in the precast concrete board. A welding ring is arranged in the disassembly-free template and is welded and connected with the side joint plate; the welding cavity is arranged at the inner ring side of the welding ring, and the welding cylinder has the advantages of high rigidity and good weight reduction effect.
Description
Technical Field
The invention relates to the technical field of assembly type constructional engineering, in particular to a composite hollow column structure of a disassembly-free template and a manufacturing process.
Background
The assembled building is to split basic components constituting the house, make the basic components into shapes by factories, and assemble the basic components to a construction site to build the house like an automobile. The disassembly-free formwork is a formwork which is popular in recent years and is permanently poured with concrete, and is not disassembled. Prefabricated columns are one form of construction in fabricated buildings, commonly used in frame construction. The overlapping member refers to a small part of the member which is prefabricated and formed, and the other part of the member is secondarily poured on a construction site and overlapped with the prefabricated and formed part to form a complete stress body.
The existing prefabricated column structure comprises a prefabricated solid column, a prefabricated hollow column and a prefabricated disassembly-free template hollow column.
The prefabricated solid column is formed by pouring the steel bar system of the column into concrete, and has the defects of heavy component weight and high transportation and installation cost; and the stressed steel bars can only be connected by sleeve grouting, so that the construction cost is high, and the quality is not easy to guarantee.
The prefabricated hollow column is formed by hollowing out the middle of the column body and concrete around the column body, and has the defects that the hollow column is only partially hollow in the center and the weight reduction effect is limited; the prefabrication and installation costs are high; the process is complex, the production efficiency is low, and the equipment investment is large; in addition, the roughness of the concrete overlapping surface in the cavity is difficult to ensure, the overlapping of the secondary pouring concrete is influenced, and the whole stress performance can not be fully ensured.
The prefabricated form hollow column, namely the formwork column, is a form of which the four sides are wrapped outside the reinforcement cage, and has the defects that the hollow column has small rigidity and is easy to damage during transportation and hoisting; casting in situ to easily expand the mold; and the form board occupies space, reduces the yield, and influences the flatness of the structural layer.
In view of the above, a new prefabricated combined hollow column structure is proposed.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the structure of the folding hollow column without the disassembling template and the manufacturing process, and the column has the advantages of high rigidity and good weight reduction effect.
The technical scheme is as follows: in order to achieve the above purpose, the composite hollow column structure of the disassembly-free formwork comprises two opposite precast concrete plates and two opposite disassembly-free formworks, wherein the two precast concrete plates and the two disassembly-free formworks enclose a column cavity; the precast concrete board is towards the inner chamber coincide face of roughness in the one side of cylinder cavity, and inner chamber coincide face corresponds with the length direction of cylinder cavity.
Further, a steel bar net rack is arranged in the cylinder cavity, and two sides of the steel bar net rack are respectively poured into the two precast concrete boards.
Further, two sides of the precast concrete board are respectively provided with a side connecting plate, and the side connecting plates are tightly connected by the disassembling-free templates.
Further, the side connecting plates are connected with embedded bars, and the embedded bars are poured into the precast concrete slab.
Further, a welding ring is arranged in the disassembly-free template, and the welding ring is connected with the side joint plate in a welding way; the inner ring side of the welding ring is a welding cavity, and the welding cavity penetrates through the disassembly-free template, so that the side board is exposed to the outer side of the disassembly-free template through the welding cavity.
Further, the disassembly-free template is formed by pouring, and the welding ring is pre-embedded in the disassembly-free template.
Further, the welding ring is connected with connecting ribs, and the connecting ribs are pre-buried in the disassembly-free template.
Further, one end of the welding ring facing the side connecting plate is flush with the disassembly-free template, and when the disassembly-free template is tightly attached to the side connecting plate, the welding ring is correspondingly attached to the side connecting plate.
Further, the height of the welding ring is smaller than the thickness of the disassembly-free template, and when the disassembly-free template is tightly attached to the side connecting plate, the welding ring is separated from the side connecting plate by a gap; the welding ring is obliquely arranged in the disassembly-free template, and one end, opposite to the side joint plate, of the welding ring is inclined towards the edge of the disassembly-free template; when the welding ring is welded with the side joint plate, the bending part is pulled to deform by the welding ring, so that the welding ring generates oblique tension to the disassembly-free template.
The manufacturing process of the composite hollow column structure of the disassembly-free template comprises the following steps: step S1: manufacturing a first surface precast concrete slab, and embedding a side joint plate and a reinforcing steel bar net rack in the first surface precast concrete slab; step S2: turning over the first surface precast concrete slab, manufacturing a second surface precast concrete slab, embedding a reinforcing steel bar net frame and side-connecting slabs, and symmetrically distributing the two precast concrete slabs on two sides of the reinforcing steel bar net frame after molding; step S3: pouring and forming the disassembly-free template, and embedding the welding ring in the disassembly-free template; step S4: and symmetrically welding the two disassembling-free templates on two sides of the precast concrete board.
The beneficial effects are that: the invention relates to a disassembly-free template superposed hollow column structure and a manufacturing process, which have the following beneficial effects:
1) The column body is formed by enclosing two opposite precast concrete plates and two opposite dismantling-free templates, has good weight reducing effect compared with a hollow column with concrete plates at the periphery, and ensures the roughness easily on the overlapped surface of the precast concrete plates;
2) The column body is formed by enclosing two opposite precast concrete plates and two opposite disassembly-free templates, and compared with the formwork column, the column body has higher rigidity and higher structural strength;
3) The disassembly-free template and the precast concrete slab are connected through the welding ring and the side plates in a welding way, the welding ring is obliquely arranged, and after the welding ring is welded with the side plates, oblique tensile force can be applied to the two sides of the disassembly-free template, so that the disassembly-free template is not easy to expand.
Drawings
FIG. 1 is a schematic cross-sectional view of a hollow cylinder of the present invention;
FIG. 2 is a schematic illustration of a rebar grid being poured into a first precast concrete panel;
FIG. 3 is a schematic illustration of a rebar grid being poured into two precast concrete panels;
FIG. 4 is a schematic diagram of the structure of the tamper-free form;
FIG. 5 is a schematic diagram of the connection of the weld ring to the connecting ribs;
FIG. 6 is a schematic view of the shape of the connecting ribs;
FIG. 7 is a schematic structural view of a lateral connecting plate and embedded ribs;
fig. 8 is a schematic view of a welding ring in an inclined arrangement.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The hollow column structure of the non-dismantling formwork superposition as described in the accompanying drawings 1 to 8 comprises two opposite precast concrete boards 1 and two opposite non-dismantling formworks 2, wherein the two precast concrete boards 1 and the two non-dismantling formworks 2 are enclosed to form a column cavity 3. Compared with the traditional solid column or the hollow column with concrete slabs around, the hollow column is composed of only two precast concrete slabs 1, so that the weight is smaller, and the weight reduction effect is obvious; compared with the shuttering column with the detachable shuttering 2, the hollow column of the invention has higher rigidity and is not easy to be damaged.
The precast concrete board 1 is formed by concrete placement, and precast concrete board 1 is the rough inner chamber coincide face 11 towards the one side of cylinder cavity 3, and when the concrete is placed in the cylinder cavity 3 for the second time, the thick inner chamber coincide face 11 can make new and old concrete coincide together, and the atress effect is better. The inner cavity overlapping surface 11 corresponds to the length direction of the cylinder cavity 3, so that the overlapping area of new and old concrete is larger, and the overlapping effect is further improved. The outside of the precast concrete panel 1, i.e. the side facing away from the column cavity 3, is a flat mould surface 12.
The steel bar net rack 4 is arranged in the cylinder cavity 3, and two sides of the steel bar net rack 4 are respectively poured into the two precast concrete boards 1. As shown in fig. 2, the rebar grid 4 includes a main rebar 13 and a stirrup 14, with the main rebar 13 and stirrup 14 being tied or welded together when in use.
The two sides of the precast concrete board 1 are respectively provided with side joint plates 5, the side joint plates 5 on the two sides of the precast concrete board 1 are symmetrically arranged, and the disassembly-free formwork 2 is tightly attached to the side joint plates 5. Since the precast concrete slab 1 is formed by casting concrete, and is difficult to be directly connected with the disassembly-free formwork 2 by welding, anchor bolts and the like, a lateral connecting plate 5 is required to be arranged to connect the disassembly-free formwork 2.
As shown in fig. 7, the side joint plates 5 are connected with embedded ribs 6, one ends of the embedded ribs 6 are firmly welded with the side joint plates 5, the other ends of the embedded ribs 6 are firmly bound or welded with the reinforcing steel bar net frame 4, and the embedded ribs 6 are integrally poured in the precast concrete slab 1, so that the side joint plates 5 are firmly connected with the precast concrete slab 1.
And a welding ring 7 is arranged in the disassembly-free template 2, and the welding ring 7 is connected with the lateral connecting plate 5 in a welding way. As shown in fig. 4, a set of welding rings 7 are respectively arranged on the upper side and the lower side of the dismantling-free formwork 2, and the two sets of welding rings 7 are respectively connected with the side plates 5 on the two precast concrete boards 1. The cross-sectional dimension of the weld ring 7 is not greater than the planar dimension of the side panel 5 to ensure that the weld ring 7 is stably connected to the side panel 5. The inner ring side of the welding ring 7 is provided with a welding cavity 8, the welding cavity 8 penetrates through the disassembly-free template 2, the side connecting plate 5 is exposed to the outer side of the disassembly-free template 2 through the welding cavity 8, during welding, the end head of a welding tool extends into the welding cavity 8, and then the inner side of the welding ring 7 is welded with the side connecting plate 5. After the welding is completed, the welding cavity 8 is blocked.
The disassembly-free template 2 is prepared from high-strength high-toughness materials, such as high-performance concrete, epoxy resin, engineering plastics and the like, and a pouring molding process is adopted, and in the molding process, the welding ring 7 is embedded in the disassembly-free template 2 and is poured into a whole with the disassembly-free template 2. As shown in fig. 5 and 6, the welding ring 7 is connected with connecting ribs 9, the connecting ribs 9 are welded on the welding ring 7, the connecting ribs 9 are pre-embedded in the disassembly-free template 2, and the welding ring 7 is completely penetrated into the disassembly-free template 2 when the disassembly-free template 2 is cast and molded.
In one embodiment, the depth direction of the welding ring 7 is consistent with the thickness direction of the disassembly-free formwork 2, one end of the welding ring 7 facing the side connecting plate 5 is flush with the disassembly-free formwork 2, when the disassembly-free formwork 2 is tightly attached to the side connecting plate 5, the welding ring 7 is correspondingly attached to the side connecting plate 5, and the welding ring 7 and the side connecting plate 5 are welded together through the welding cavity 8, so that stable connection between the disassembly-free formwork 2 and the precast concrete slab 1 is realized.
In another embodiment, as shown in fig. 8, the height of the welding ring 7 is smaller than the thickness of the disassembly-free template 2, and the welding ring 7 is spaced from the lateral connecting plate 5 when the disassembly-free template 2 is tightly attached to the lateral connecting plate 5. The connecting ribs 9 are provided with bending parts 10, the welding ring 7 is obliquely arranged in the disassembly-free template 2, and one end, opposite to the side connecting plate 5, of the welding ring 7 is inclined towards the edge of the disassembly-free template 2. When the welding ring 7 is welded with the side connection plate 5, the welding ring 7 on two sides of the same precast concrete slab 1 is clamped by the clamping mechanism, and clamping force is applied to the welding ring 7 along the inclined direction of the welding ring 7, so that the welding ring 7 pulls the bending part 10 to generate a certain degree of elastic deformation, and the welding ring 7 and the side connection plate 5 are welded under the state that the bending part 10 is deformed to a certain degree, so that after the welding is finished, the bending part 10 can keep a certain degree of elastic deformation, and the welding ring 7 generates inclined tension force to the disassembly-free formwork 2, and the direction of the tension force is consistent with the inclined direction of the welding ring 7, therefore, the tension force for straightening the disassembly-free formwork 2 towards two sides is generated on two sides of the disassembly-free formwork 2, the middle part of the disassembly-free formwork 2 is not easy to deform, the formwork expansion phenomenon is not easy to generate, and the problem of the existing disassembly-free formwork 2 is solved.
And because the height of the welding ring 7 is smaller than the thickness of the disassembly-free template 2, a temporary ring body needs to be added at the top of the welding ring 7 in the casting molding process of the disassembly-free template 2, the temporary ring body can avoid pouring materials from entering the welding ring 7, and the temporary ring body is detached after the casting molding of the disassembly-free template 2, so that the height of the welding ring 7 can be smaller than the thickness of the disassembly-free template 2.
The manufacturing process of the composite hollow column structure of the disassembly-free template comprises the following steps:
Step S1: the method comprises the steps of manufacturing a reinforcement grid 4, a welding ring 7 and a side joint plate 5 in advance, and then manufacturing a first precast concrete board 1; as shown in fig. 2, in the process of manufacturing the first-side precast concrete slab 1, a forming die is assembled, then the side joint plates 5 and the reinforcing steel bar net frame 4 are embedded, then concrete is poured to a designed height, the inner cavity overlapping surface 11 is subjected to rough treatment before the initial setting of the concrete, and then maintenance and forming are carried out, so that the first-side precast concrete slab 1 is obtained;
step S2: turning over the first precast concrete slab 1, wherein the first precast concrete slab 1 and the reinforcing steel bar net frame 4 are arranged above the first precast concrete slab, then finishing the forming die again, starting to manufacture the second precast concrete slab 1, embedding the reinforcing steel bar net frame 4 and the side joint plates 5, pouring concrete to a designed height, and performing rough treatment on the inner cavity overlapping surface 11 before initial setting of the concrete; after curing and forming, two precast concrete plates 1 are symmetrically distributed on two sides of the steel bar net rack 4;
step S3: preparing a die according to the design specification and the size, embedding a welding ring 7, and pouring and forming the die plate 2 without disassembling;
Step S4: symmetrically welding two disassembling-free templates 2 on two sides of the precast concrete board 1; if the welding rings 7 are used, the welding rings 7 on two sides of the same precast concrete slab 1 are clamped through the clamping mechanisms during welding, and clamping force is applied to the welding rings 7 along the inclined direction of the welding rings 7, so that after welding, the bending parts 10 of the connecting ribs 9 have a certain degree of elastic deformation, the welding rings 7 generate inclined pulling force on the disassembly-free formwork 2, and the inclined pulling force on two sides of the disassembly-free formwork 2 is matched with the straightening of the disassembly-free formwork 2, so that the disassembly-free formwork 2 is not easy to expand.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. The utility model provides a exempt from to unpick and laminate hollow column structure which characterized in that: the concrete column comprises two opposite precast concrete plates (1) and two opposite dismantling-free templates (2), wherein the two precast concrete plates (1) and the two dismantling-free templates (2) are enclosed into a column cavity (3); one side of the precast concrete board (1) facing the cylinder cavity (3) is a rough inner cavity overlapping surface (11), and the inner cavity overlapping surface (11) corresponds to the length direction of the cylinder cavity (3).
2. The tamper-evident form composite hollow column structure of claim 1, wherein: the column body cavity (3) is internally provided with a reinforcing steel bar net rack (4), and two sides of the reinforcing steel bar net rack (4) are respectively poured into the two precast concrete boards (1).
3. The tamper-evident form composite hollow column structure of claim 2, wherein: the two sides of the precast concrete board (1) are respectively provided with a side joint board (5), and the disassembly-free formwork (2) is tightly attached to the side joint boards (5).
4. A tamper-evident form composite hollow column structure according to claim 3, wherein: the side joint plate (5) is connected with embedded ribs (6), and the embedded ribs (6) are poured into the precast concrete board (1).
5. A tamper-evident form composite hollow column structure according to claim 3, wherein: a welding ring (7) is arranged in the disassembly-free template (2), and the welding ring (7) is welded and connected with the side joint plate (5); the inner ring side of the welding ring (7) is provided with a welding cavity (8), and the welding cavity (8) penetrates through the disassembly-free template (2) to enable the side connecting plate (5) to be exposed towards the outer side of the disassembly-free template (2) through the welding cavity (8).
6. The tamper-evident form composite hollow column structure of claim 5, wherein: the disassembly-free template (2) is cast and molded, and the welding ring (7) is pre-buried in the disassembly-free template (2).
7. The tamper-evident form composite hollow column structure of claim 6, wherein: the welding ring (7) is connected with a connecting rib (9), and the connecting rib (9) is pre-buried in the disassembly-free template (2).
8. The tamper-evident form composite hollow column structure of claim 7, wherein: one end of the welding ring (7) facing the side connecting plate (5) is flush with the disassembly-free template (2), and when the disassembly-free template (2) is tightly attached to the side connecting plate (5), the welding ring (7) is correspondingly attached to the side connecting plate (5).
9. The tamper-evident form composite hollow column structure of claim 7, wherein: the height of the welding ring (7) is smaller than the thickness of the disassembly-free template (2), and when the disassembly-free template (2) is tightly attached to the side joint plate (5), the welding ring (7) is separated from the side joint plate (5) in a clearance way; the connecting ribs (9) are provided with bending parts (10), the welding ring (7) is obliquely arranged in the disassembly-free template (2), and one end, opposite to the side connecting plates (5), of the welding ring (7) is inclined towards the edge of the disassembly-free template (2); when the welding ring (7) is welded with the side joint plate (5), the bending part (10) is pulled by the welding ring (7) to deform, so that the welding ring (7) generates oblique tension to the disassembly-free template (2).
10. The process for manufacturing the non-detachable template laminated hollow column structure according to claim 8 or 9, wherein the process comprises the following steps of: the method comprises the following steps:
step S1: manufacturing a first surface precast concrete board (1), and embedding a lateral connecting board (5) and a reinforcing steel bar net rack (4) in the first surface precast concrete board (1);
Step S2: turning over the first precast concrete slab (1), manufacturing a second precast concrete slab (1), embedding a steel bar net rack (4) and side connecting plates (5), and symmetrically distributing the two precast concrete slabs (1) on two sides of the steel bar net rack (4) after molding;
step S3: pouring and forming the disassembly-free template (2), and embedding the welding ring (7) in the disassembly-free template (2);
step S4: symmetrically welding two disassembling-free templates (2) on two sides of the precast concrete board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410136201.8A CN118087785A (en) | 2024-01-31 | 2024-01-31 | Non-dismantling template superposed hollow column structure and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410136201.8A CN118087785A (en) | 2024-01-31 | 2024-01-31 | Non-dismantling template superposed hollow column structure and manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118087785A true CN118087785A (en) | 2024-05-28 |
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ID=91159212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410136201.8A Pending CN118087785A (en) | 2024-01-31 | 2024-01-31 | Non-dismantling template superposed hollow column structure and manufacturing process |
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| Country | Link |
|---|---|
| CN (1) | CN118087785A (en) |
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2024
- 2024-01-31 CN CN202410136201.8A patent/CN118087785A/en active Pending
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