CN114775816B - Construction method for flanging one-time pouring molding formwork - Google Patents
Construction method for flanging one-time pouring molding formwork Download PDFInfo
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- CN114775816B CN114775816B CN202210502223.2A CN202210502223A CN114775816B CN 114775816 B CN114775816 B CN 114775816B CN 202210502223 A CN202210502223 A CN 202210502223A CN 114775816 B CN114775816 B CN 114775816B
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- 238000009415 formwork Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000000465 moulding Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 48
- 239000004033 plastic Substances 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 12
- 239000004567 concrete Substances 0.000 claims description 43
- 238000012423 maintenance Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0652—One-piece elements fully recoverable
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/06—Forming boards or similar elements the form surface being of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a construction method for flanging one-time pouring molding formwork, which comprises the following steps: prefabricating a support, and embedding a plastic sleeve in the support; paying off and positioning, and mounting a support; a threaded steel rod is sleeved in the plastic sleeve, a PVC sleeve is sleeved on the threaded steel rod according to the thickness requirement of the floor slab, the upper end of the threaded steel rod is in threaded connection with a steel plate at the bottom end of the supporting upright post, and the threaded steel rod is heightened and leveled; installing aluminum alloy templates, connecting the aluminum alloy templates by adopting square steel pipes, and installing reinforcing positioning buckles on the opposite aluminum alloy templates; and after the formwork is installed, casting and forming are carried out once, removing the formwork, curing and grouting and hole filling are carried out. The invention has simple and convenient operation, the adopted formwork is detachable and can be repeatedly utilized, the construction efficiency is improved, and the construction cost is reduced.
Description
Technical Field
The invention belongs to the technical field of flanging pouring construction, and particularly relates to a construction method for one-step flanging pouring forming formwork.
Background
In the building construction, 200-350 high-concrete flanging is required to be poured at the root of a wall body for kitchen, bathroom and other parts. Because the hanging die is required to be supported when the hanging die and the floor slab are cast at one time, different formwork supporting structures are required to be cut and customized on site according to different sizes, repeated turnover usability is poor, the engineering cost is increased, and the construction is unfavorable for green civilized construction. Meanwhile, the construction difficulty is high, the deflection is easy to occur, and the construction quality is affected. The secondary pouring molding is usually adopted in engineering, the formwork is convenient, but the construction flows of new elastic wires, roughening, formwork supporting, pouring, maintenance and the like are needed, the workload is increased, and the construction period is wasted. Meanwhile, the water-proof effect of the flanging is far inferior to that of the primary casting molding due to secondary casting.
Chinese patent CN109025262B discloses a construction method of one-step casting molding of concrete flanges, in which a hanging die for casting concrete flanges is assembled in a casting construction area, and a hanging die template is checked; after the mold hanging template is accepted, pouring the main body structure, and pouring flanging within 20-30 minutes after the concrete pouring of the main body structure is finished; and after the concrete reaches the form removal strength, the form is removed, and the concrete flanging can be formed at one time. But the support component is not adjustable, can not be recycled, and the formwork template is more complicated.
Disclosure of Invention
The invention aims to provide a construction method for flanging one-time pouring molding formwork support, which is used for accelerating construction efficiency, improving formwork support repeated use rate and reducing cost.
In order to achieve the above purpose, the following technical scheme is provided:
A construction method for flanging one-time pouring molding formwork comprises the following steps:
1) Prefabricating a support: pouring the residual materials after the on-site concrete pouring into a rubber mold, inserting a plastic sleeve before the concrete is finally set, enabling the top of the plastic sleeve to be flush with the upper end surface of the support, curing, and demolding;
2) Paying-off positioning: positioning and marking all angles of the flanging according to the axis of the main body structure of the flanging part and a building design drawing, and popping up positioning lines on a bottom die of the main body structure by using ink fountain lines for positioning and marking points;
3) And (2) mounting support: placing a support on the bottom die of each corner according to the positioning marks of each corner of the flanging, so that the outer edge line of the support coincides with the positioning line;
4) Installing a floor thickness adjusting structure: the lower end of the floor thickness adjusting structure is connected with a plastic sleeve, a PVC sleeve is sleeved outside the installed floor thickness adjusting structure, the top surface of the PVC sleeve is level with the concrete floor surface, the height of the PVC sleeve is set according to the floor thickness requirement, the PVC sleeve can be completely sleeved outside the floor thickness adjusting structure, and the floor thickness adjusting structure can be taken out after injection molding is completed;
5) And (3) installing a supporting column: the upper end of the floor thickness adjusting structure is connected with the lower end of the supporting upright post, the connection position of the floor thickness adjusting structure and the supporting upright post is adjusted, the lower end of the supporting upright post is flush with the concrete floor surface, the installation of the adjustable supporting structure is completed, and the adjustable supporting structure is used for connecting an aluminum alloy template and is simultaneously used for the elevation of the floor thickness;
6) Installing an aluminum alloy template: an aluminum alloy template with the same height as the flanging height is selected, the aluminum alloy template is placed along a positioning line, and the aluminum alloy template are connected by adopting a supporting upright post;
7) Installing and reinforcing positioning buckle: installing reinforcing positioning buckles on the installed opposite aluminum alloy templates, wherein the reinforcing positioning buckles enable the aluminum alloy templates to be more stable and play a role in elevation;
8) Pouring concrete: pouring the flange while pouring the concrete floor slab, pouring the concrete floor slab to the position of the reinforcing and positioning buckle, vibrating the concrete floor slab by using a vibrating rod to compact the concrete floor slab, and trowelling the surface of the concrete floor slab by using a trowel;
9) Removing the die: under the condition that the strength of the concrete can ensure that the appearance and edges of the concrete are not damaged by removing the formwork, the aluminum alloy formwork, the floor slab thickness adjusting structure and the supporting upright post are removed;
10 Maintenance and grouting and hole filling: covering the concrete after pouring, maintaining the concrete in a moisture-preserving way, blowing out dust and sundries in the hole after the maintenance is finished, grouting, finishing and finishing with a trowel, and maintaining in a moisture-preserving way.
Further, the support upright post comprises a square steel pipe and a steel plate, and the steel plate is fixed at the lower end of the square steel pipe.
Further, the floor thickness adjusting structure comprises a threaded steel rod and an octagonal nut, threads are formed in the plastic sleeve, the lower end of the threaded steel rod is inserted into the plastic sleeve to be in threaded connection with the plastic sleeve, the upper end of the threaded steel rod is in threaded connection with the steel plate, the octagonal nut is adopted for vertical fixation, the PVC sleeve is sleeved outside the threaded steel rod, the upper top surface of the PVC sleeve is contacted with the steel plate, and the lower end surface of the PVC sleeve is contacted with the support.
Further, the aluminum alloy template is of a U-shaped structure, the U-shaped structure facilitates connection of the aluminum alloy template and the square steel tube, and the reinforcing and positioning buckle is of a concave structure.
Further, the bolt holes are formed in the side faces of the square steel pipes, the bolts penetrate through the bolt holes to connect the side edges of the aluminum alloy templates with the square steel pipes, nuts are used for fixing, and demolding after casting molding is facilitated.
Further, the lower end of the aluminum alloy template is flush with the lower end of the supporting upright post after being installed.
Further, the curing environment in the step 1) is that the temperature is 20+/-2 ℃, the humidity is more than or equal to 95%, and the curing is carried out for 28 days and the demoulding is carried out.
Further, a reinforcing positioning buckle is arranged on the aluminum alloy template which is arranged in the step 7) at intervals of 1-1.5 m.
Further, the curing process in the step 10) is to cover and keep moisture for curing the concrete within 12 hours, and the curing time is not less than 14 days.
Further, cement mortar with a mass ratio of cement to sand of 1:2.5 is used for grouting in the step 10), and an expanding agent accounting for 6% -8% of the total mass is added.
The invention has the beneficial effects that:
1) The formwork device provided by the invention combines the adjustable supporting structure with the aluminum alloy formwork, so that one-time pouring molding of flanging is realized;
2) The adjustable supporting structure can meet the requirements of floor slabs with different thicknesses;
3) The device has the advantages of simple structure, convenient installation, detachability, capability of being adjusted according to different construction requirements to meet actual construction requirements, more important capability of being recycled for multiple times, material saving and cost reduction;
4) The construction method is simple to operate and quick to install, and the construction efficiency is effectively improved.
Drawings
FIG. 1 is a schematic view of an adjustable support structure of the present invention;
FIG. 2 is an enlarged detail view at A;
FIG. 3 is a schematic diagram of the connection mode of the present invention;
Fig. 4 is a top view of the present invention.
In the figure: 1. an adjustable support structure; 11. a support; 111. a plastic sleeve; 12. a floor thickness adjusting structure; 121. a threaded steel rod; 122. an octagonal nut; 13. a support column; 131. square steel pipes; 1311. bolt holes; 132. a steel plate; 2. an aluminum alloy template; 3. reinforcing the positioning buckle; 4. PVC sleeve.
Detailed Description
The invention will be further described with reference to the drawings and examples of the specification, but the scope of the invention is not limited thereto.
As shown in fig. 1 and 2, the adjustable supporting structure 1 comprises a support 11, a floor thickness adjusting structure 12 and a supporting column 13, the support 11 is a precast concrete block, a plastic sleeve 111 is embedded in the support 11, an opening of the plastic sleeve 111 faces upwards, an opening end is flush with an upper end face of the support 11, threads are formed in the plastic sleeve 111, the supporting column 13 comprises a square steel pipe 131 and a steel plate 132, the steel plate 132 is fixed at the lower end of the square steel pipe 131, a threaded hole is formed in the steel plate 132, the floor thickness adjusting structure 12 comprises a threaded steel rod 121 and an octagonal nut 122, the lower end of the threaded steel rod 121 is inserted into the plastic sleeve 111 and is in threaded connection with the plastic sleeve 111, the upper end and the lower end face of the threaded steel rod 121 are respectively provided with an octagonal nut 122 for up-down fixing, a PVC sleeve 4 is sleeved outside the threaded steel rod 121, the upper end of the PVC sleeve 4 is contacted with the lower surface of the steel plate 132, and the lower end of the PVC sleeve 4 is contacted with the upper end of the support 11.
As shown in fig. 3 and fig. 4, the side surface of the square steel pipe 131 is provided with a bolt hole 1311, the aluminum alloy template 2 is in a U-shaped structure, bolts penetrate through the bolt hole 1311 and are fixedly connected with two side surfaces of the aluminum alloy template 2, so that connection between the aluminum alloy template 2 and the aluminum alloy template 2 is achieved, in the figure, the adjustable supporting structure 1 is arranged at a corner, the adjustable supporting structure 1 can also be used for horizontal connection between the aluminum alloy template 2 and the aluminum alloy template 2, the lower end of the aluminum alloy template 2 is flush with the lower end of the supporting upright post 13, the upper parts of the two opposite aluminum alloy templates 2 are vertically clamped into the reinforcing positioning buckle 3, and the reinforcing positioning buckle 3 is in a concave structure.
Example 1
A construction method for flanging one-time pouring molding formwork is characterized by comprising the following steps:
1) Prefabricated support 11: pouring residual materials after on-site concrete pouring into a rubber mold, inserting a plastic sleeve 111 before final setting of concrete, enabling the top of the plastic sleeve 111 to be flush with the upper end face of a support 11, placing the support in a curing chamber with the temperature of 20+/-2 ℃ and the humidity of more than or equal to 95% for curing for 28 days, and demolding, wherein the support 11 is a 5cm by 5cm precast concrete block, and the height of the plastic sleeve 111 is 4cm;
2) Paying-off positioning: positioning and marking all angles of the flanging according to the axis of the main body structure of the flanging part and a building design drawing, and popping up positioning lines on a bottom die of the main body structure by using ink fountain lines for positioning and marking points;
3) Mounting support 11: placing a support 11 on the bottom die of each corner according to the positioning marks of each corner of the flanging, so that the outer edge line of the support 11 coincides with the positioning line;
4) Installing a floor thickness adjusting structure 12: the lower end of the threaded steel rod 121 is inserted into a plastic sleeve 111 and is in threaded connection with the plastic sleeve 111, a PVC sleeve 4 is sleeved outside the threaded steel rod 121, and the top surface of the PVC sleeve 4 is level with the surface of the concrete floor;
5) Mounting a supporting upright post 13: the upper end of the threaded steel rod 121 is in threaded connection with a steel plate 132 at the lower end of the supporting upright 13, the size of the steel plate 132 is 5cm x 0.5cm, the connection position of the threaded steel rod 121 and the steel plate 132 is adjusted, so that the steel plate 132 is flush with the concrete floor surface, and the installation of the adjustable supporting structure 1 is completed;
6) Installing an aluminum alloy template 2: selecting an aluminum alloy template 2 with the same height as the flanging height, wherein the aluminum alloy template 2 is of a U-shaped structure, the widths of two sides are 5cm, the thickness of the aluminum alloy template 2 is 0.5cm, connecting holes corresponding to bolt holes 1311 of square steel pipes 131 are formed in two side edges of the aluminum alloy template 2, the aluminum alloy template 2 is placed along a positioning line, the aluminum alloy template 2 and the aluminum alloy template 2 are connected by adopting square steel pipes 131, the side length of each square steel pipe 131 is 5cm x 5cm, the wall thickness of each pipe is 0.5cm, bolts penetrate through the bolt holes 1311 in each square steel pipe 131 to realize the connection between the square steel pipes 131 and the side edges of the aluminum alloy template 2, the bolts are fixed by nuts, the distance between the bolt holes 1311 is 15cm, and the aperture of each bolt hole 1311 is 1cm;
7) Installing and reinforcing positioning buckle 3: the method comprises the steps that reinforcement positioning buckles 3 are installed on the installed opposite aluminum alloy templates 2, the reinforcement positioning buckles 3 are concave aluminum alloy steel plates, the width of two side edges is 5cm, the thickness is 5cm, and the set distance between the reinforcement positioning buckles 3 is 1 meter;
8) Pouring concrete: the concrete floor slab is poured, flanging pouring is carried out, pouring is carried out to the position of the reinforcing and positioning buckle 3, the concrete floor slab is compacted by vibrating with a vibrating rod, and the surface is trowel finishing and polishing are carried out;
9) Removing the die: under the condition that the strength of the concrete can ensure that the appearance and edges of the concrete are not damaged by removing the formwork, the aluminum alloy formwork 2, the floor slab thickness adjusting structure 12 and the supporting upright posts 13 are removed;
10 Maintenance and grouting and hole filling: covering and moisturizing the concrete after pouring, wherein the curing time is 15 days, blowing out dust and sundries in holes formed by connection after curing, preparing cement mortar with the mass ratio of cement to sand being 1:2.5, adding 8% of swelling agent with the total mass, grouting, plastering with a trowel, finishing, and moisturizing and curing.
Claims (10)
1. A construction method for flanging one-time pouring molding formwork is characterized by comprising the following steps:
1) Prefabricated support (11): casting the residual materials after the on-site concrete casting into a rubber mold, inserting a plastic sleeve (111) before the final setting of the concrete, enabling the top of the plastic sleeve (111) to be flush with the upper end surface of a support (11), curing, and demolding;
2) Paying-off positioning: positioning and marking all angles of the flanging according to the axis of the main body structure of the flanging part and a building design drawing, and popping up positioning lines on a bottom die of the main body structure by using ink fountain lines for positioning and marking points;
3) Mounting support (11): placing a support (11) on the bottom die of each corner according to the positioning marks of each corner of the flanging, so that the outer edge line of the support (11) is overlapped with the positioning line;
4) Installing a floor thickness adjusting structure (12): connecting the lower end of the floor thickness adjusting structure (12) with a plastic sleeve (111), sleeving a PVC sleeve (4) outside the installed floor thickness adjusting structure (12), and elevating the top surface of the PVC sleeve (4) and the surface of the concrete floor;
5) Installing a supporting column (13): the upper end of the floor thickness adjusting structure (12) is connected with the lower end of the supporting upright post (13), the connection position of the floor thickness adjusting structure (12) and the supporting upright post (13) is adjusted, the lower end of the supporting upright post (13) is flush with the concrete floor surface, and the installation of the adjustable supporting structure (1) is completed;
6) Installing an aluminum alloy template (2): an aluminum alloy template (2) with the same height as the flanging height is selected, the aluminum alloy template (2) is placed along a positioning line, and the aluminum alloy template (2) are connected by adopting a supporting upright post (13);
7) Installing, reinforcing and positioning buckle (3): installing reinforcing positioning buckles (3) on the installed opposite aluminum alloy templates (2);
8) Pouring concrete: the concrete floor slab is poured, flanging pouring is carried out, pouring is carried out to the position of the reinforcing and positioning buckle (3), the concrete floor slab is compacted by vibrating with a vibrating rod, and the surface is trowel finishing and light receiving are carried out;
9) Removing the die: under the condition that the strength of the concrete can ensure that the appearance and edges of the concrete are not damaged by the removal of the formwork, the aluminum alloy formwork (2), the floor slab thickness adjusting structure (12) and the supporting upright posts (13) are removed;
10 Maintenance and grouting and hole filling: covering the concrete after pouring, maintaining the concrete in a moisture-preserving way, blowing out dust and sundries in the hole after the maintenance is finished, grouting, finishing and finishing with a trowel, and maintaining in a moisture-preserving way.
2. The construction method of the flanging one-time casting forming formwork according to claim 1, wherein the supporting upright (13) comprises a square steel pipe (131) and a steel plate (132), and the steel plate (132) is fixed at the lower end of the square steel pipe (131).
3. The construction method of the flanging one-time pouring forming formwork according to claim 2, wherein the floor thickness adjusting structure (12) comprises a threaded steel rod (121) and an octagonal nut (122), threads are formed in the plastic sleeve (111), the lower end of the threaded steel rod (121) is inserted into the plastic sleeve (111) to be in threaded connection with the plastic sleeve (111), the upper end of the threaded steel rod (121) is in threaded connection with a steel plate (132) and is fixed up and down by adopting the octagonal nut (122), the PVC sleeve (4) is sleeved outside the threaded steel rod (121), the upper top surface of the PVC sleeve (4) is in contact with the steel plate (132), and the lower end surface of the PVC sleeve is in contact with the support (11).
4. A construction method of a flanging one-time pouring forming formwork as claimed in claim 3, wherein the aluminum alloy template (2) is of a U-shaped structure, and the reinforcing positioning buckle (3) is of a concave structure.
5. The construction method of the flanging one-time casting forming formwork according to claim 4, wherein the side face of the square steel pipe (131) is provided with a bolt hole (1311), and the bolt penetrates through the bolt hole (1311) to connect the side face of the aluminum alloy template (2) with the square steel pipe (131) and is fixed by adopting a nut.
6. A construction method of a flanging one-time casting forming formwork as claimed in claim 1, wherein the lower end of the aluminum alloy template (2) is flush with the lower end of the supporting upright (13) after the formwork is installed.
7. The construction method of the flanging one-time pouring molding formwork support as claimed in claim 1, wherein the maintenance environment of the step 1) is 20+/-2 ℃ in temperature, the humidity is more than or equal to 95%, and the formwork support is maintained for 28 days and is demoulded.
8. The construction method of the flanging one-time pouring molding formwork support as claimed in claim 1, wherein the reinforcing positioning buckle (3) is arranged on the aluminum alloy formwork (2) which is arranged in the step 7) at intervals of 1-1.5 m.
9. The construction method of the flanging one-time pouring molding formwork as claimed in claim 1, wherein the curing process in the step 10) is to cover and preserve the concrete within 12 hours, and the curing time is not less than 14 days.
10. The construction method of the flanging one-time pouring molding formwork support as claimed in claim 1, wherein cement mortar with the mass ratio of cement to sand being 1:2.5 is used for grouting in the step 10), and an expanding agent accounting for 6% -8% of the total mass is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502223.2A CN114775816B (en) | 2022-05-10 | 2022-05-10 | Construction method for flanging one-time pouring molding formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502223.2A CN114775816B (en) | 2022-05-10 | 2022-05-10 | Construction method for flanging one-time pouring molding formwork |
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| CN114775816A CN114775816A (en) | 2022-07-22 |
| CN114775816B true CN114775816B (en) | 2024-06-25 |
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| CN112196261A (en) * | 2020-09-27 | 2021-01-08 | 中国建筑第七工程局有限公司 | Waterproof anti-bank pouring and reinforcing mold |
| CN215670991U (en) * | 2021-08-25 | 2022-01-28 | 北京中铁建建筑科技有限公司 | Easy-to-disassemble member convenient to disassemble and assemble |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN217420505U (en) * | 2022-05-10 | 2022-09-13 | 浙江省一建建设集团有限公司 | Flanging one-step pouring forming formwork supporting device |
| CN116122570A (en) * | 2023-02-21 | 2023-05-16 | 中国华西企业有限公司 | Detachable turnover formwork stand bar supporting base and mounting and dismounting method thereof |
| CN116816075A (en) * | 2023-07-18 | 2023-09-29 | 杭州滨江建筑集团有限公司 | One-time pouring molding construction method for reinforced concrete inverted ridge of aluminum template |
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