CN119122264A - A formwork-free tool for post-casting strip of top plate - Google Patents
A formwork-free tool for post-casting strip of top plate Download PDFInfo
- Publication number
- CN119122264A CN119122264A CN202411363367.XA CN202411363367A CN119122264A CN 119122264 A CN119122264 A CN 119122264A CN 202411363367 A CN202411363367 A CN 202411363367A CN 119122264 A CN119122264 A CN 119122264A
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- Prior art keywords
- post
- pull rod
- cast strip
- degree
- formwork
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- 238000005266 casting Methods 0.000 title claims description 6
- 238000010276 construction Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000009415 formwork Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- 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
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A formwork supporting-free tool for a post-cast strip of a top plate belongs to the technical field of building construction. The die comprises a bottom die, a cross rod, a pull rod assembly and a sealing strip, wherein the die-stripping-free quick-easy-closing net comprises a pre-buried pull rod, a 45-degree pull rod and a 60-degree pull rod, one ends of the 45-degree pull rod and the 60-degree pull rod are respectively welded at an angle of 60 degrees of the pre-buried pull rod, the other ends of the 45-degree pull rod and the 60-degree pull rod are welded with the cross rod, and the cross rod is welded with the bottom die. The novel post-cast strip support system has the advantages that the novel post-cast strip support system is very simple in overall structure, convenient to manufacture and process, convenient and fast to construct, stable and reliable to use, the embedded pull rods, the 45-degree inclined pull rods, the 60-degree inclined pull rods and the cross rods are common steel bars on a construction site, local materials are convenient to obtain, recycling of resources is achieved, the use of a large number of steel pipes and templates is reduced, the problem that the post-cast strip support system occupies construction space for a long time, the supporting time is too long, the overall construction is affected is solved, the construction efficiency is effectively improved, and the construction cost is reduced.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly provides a formwork-supporting-free tool for a post-cast strip of a top plate.
Background
At present, in the field of building construction, roof post-cast strip construction is a common and important step. The traditional post-cast strip construction method needs a large amount of supporting materials such as steel pipes, so that the construction cost is increased, a large amount of construction space is occupied, and the construction operation becomes complex and the efficiency is low. Therefore, the invention provides a mould supporting-free tool for a post-cast strip of a top plate, which aims to solve the defects in the traditional method and realize high efficiency, convenience and cost saving of post-cast strip construction.
Disclosure of Invention
The invention aims to provide a formwork-supporting-free tool for a post-cast strip of a top plate, which solves the problems of large occupied space, complex construction operation, low efficiency and the like.
The invention realizes the formwork-supporting-free operation in the post-pouring strip construction process through a simple structural design. The tool is processed in advance to manufacture a finished product, and the template is not required to be removed after the post-cast strip is constructed. The tool mainly comprises a post-cast strip template supporting system which is composed of a pre-buried pull rod, an inclined pull rod structure, a bottom die and the like, so that the top plate post-cast strip formwork supporting-free is realized. The tool can be customized according to the shape and the size of the post-cast strip, is simple to operate, can realize quick positioning and installation, reduces the use of a large number of steel pipes, avoids the problem of using a traditional formwork system to occupy the construction period, improves the construction progress, construction quality, is safe and reliable, and saves cost.
The die comprises a bottom die 1, a cross rod 9, a pull rod assembly and a sealing strip 10, wherein the die-stripping-free quick-easy-closing net 11 comprises a pre-buried pull rod 8, a 45-degree pull rod 2 and a 60-degree pull rod 3, one ends of the 45-degree pull rod 2 and the 60-degree pull rod 3 are respectively welded at an angle of 60 degrees at the pre-buried pull rod 8, the other ends of the 45-degree pull rod 2 and the 60-degree pull rod are welded with the cross rod 9, and the cross rod 9 is welded with the bottom die 1.
The side mold structure of the concrete structure at two sides of the post-pouring belt is independently formed by a 45-degree pull rod 2, a 60-degree pull rod 3, a pre-buried pull rod 8 and a cross rod 9, wherein the cross rod 9, the bottom mold 1 and the sealing strip 10 form a bottom mold structure, and the quick-release and easy-closing-in net 11 is free of mold disassembly.
The embedded pull rod 8 is fixed in the concrete structures 6 at the two sides of the post-pouring belt in advance in an embedded mode, and plays a key role in the overall stability of the tool. The pull rod assemblies are longitudinally arranged in a group at intervals of 500mm along the post-pouring belt, and when the thickness of a floor slab is greater than 300mm, the spacing is required to be reduced to 300-400 mm;
The 45-degree pull rod 2, the 60-degree pull rod 3 and the embedded pull rod 8 are all steel bars with phi 12, so that local materials are conveniently available, the operation and the use are simple, the bottom die 1 is a 3-mm thick steel plate or a profiled galvanized steel plate, and the closing-in templates of concrete structures 6 on two sides of the post-cast strip adopt a quick-closing-in net 11 without removing the die. The cross bar 9 is a phi 12 steel bar or 30 x 30 square steel.
The embedded pull rod 8, the 45-degree pull rod 2 and the 60-degree pull rod 3 are welded by double-sided welding 5d to form a whole, the anchoring length of the embedded pull rod 8 is required to meet the standard requirement and is not less than 420mm, the 45-degree pull rod 2, the 60-degree pull rod 3 and the cross rod 9 are welded (double-sided welding 5 d) and then connected with the bottom die 1 through the cross rod 9, when the bottom die 1 adopts a thin steel plate with the thickness of 3mm, a welding connection mode (double-sided welding 5 d) is adopted, and when the bottom die 1 adopts a profiled steel plate, an anchor bolt connection mode is adopted.
The cross rod 9 is connected with the bottom die 1 to enable the bottom die to be stressed uniformly, the integrity of the tool is increased, the mechanical stability of the tool is guaranteed, the bottom surface of the bottom die 1 and the bottom surface of the concrete structures 6 on two sides of the post-cast strip are positioned on the same horizontal plane, and the lower part of the post-cast strip is sealed.
And two sides of the post-pouring belt adopt formwork-free quick-easy closing-up nets, so that the closing-up molding quality of concrete structures at two sides of the post-pouring belt is ensured. And the post-pouring belt U-shaped seal is formed together with the bottom die 1.
And a sealing strip 10 is arranged between the bottom die 1 and the concrete structures 6 at the two sides of the post-pouring strip, so that the structure is stable. Through this structure, be favorable to the gap between post-cast strip both sides concrete structure 6 and die block 1 to seal, offset the influence of the deformation of partial post-cast strip to this instrument simultaneously, guarantee this instrument normal use.
The mode of adopting the embedded pull rod 8 and the bottom die 1 replaces the existing post-pouring strip formwork supporting mode, so that a large number of steel pipes and templates are reduced, the construction step of removing the formwork is omitted, the operation is simpler, and the construction efficiency is improved.
The construction of the formwork-free tool for the post-cast strip of the top plate comprises the following steps:
The method comprises the steps of 1, accurately manufacturing a top plate post-pouring belt mould-supporting-free tool according to a drawing, manufacturing a bottom mould 1 according to post-pouring belt width, and controlling the lengths and positions of a pre-buried pull rod 8, a 45-degree pull rod 2 and a 60-degree pull rod 3 according to the thickness of a floor slab, wherein the anchoring length of the pre-buried pull rod 8 is required to meet the standard requirement and is not less than 420mm;
Step 2, accurately positioning the post-cast strip position, fixing a top plate post-cast strip formwork-free tool in a positioned post-cast strip area, and pasting a sealing strip 10 at the joint of a bottom die 1 and concrete structures 6 at two sides, wherein the design is used for counteracting extrusion of partial post-cast strip deformation to the top plate post-cast strip formwork-free tool, compensating gaps generated at the post-cast strip deformation, preventing slurry leakage at the post-cast strip casting position, and avoiding the post-cast strip concrete casting quality problem:
and 3, constructing the post-cast strip structural steel bars 4 and the water stop steel plates 5 after the tool is installed according to the rule that the steel bars in the post-cast strip are required to be arranged in a full length mode. The quick easy binding off net 11 of mould is exempted from to tear open in post-cast strip both sides template adoption improves post-cast strip both sides concrete structure 6 and pours quality, avoids post-cast strip both sides to avoid the mould instrument disturbance to the roof post-cast strip when tearing out the mould, improves overall stability:
and 4, before concrete is poured on the concrete structures 6 on the two sides of the post-pouring belt, the post-pouring belt cover plate is required to protect the top plate post-pouring belt formwork-supporting-free tool, pollution in the concrete pouring process is prevented, garbage before pouring of the post-pouring belt is prevented from entering the top plate post-pouring belt formwork-supporting-free tool, and maintenance is performed in time after concrete pouring.
And 5, pouring post-cast strip concrete when the pouring date of the post-cast strip concrete reaches the requirement, and curing in time. And finishing all construction procedures of the formwork-free tool of the post-cast strip of the top plate, and performing the next construction after the concrete strength of the post-cast strip reaches the design requirement.
The invention has the following technical effects:
The conventional post-pouring strip supporting system is updated, the whole structure is very simple, the manufacturing and processing are convenient, the construction is convenient and quick, the use is stable and reliable, the embedded pull rods 8, the 45-degree pull rods 2, the 60-degree pull rods 3 and the cross rods 9 are common steel bars or small-sized steel bars on a construction site, the local materials are convenient, the resource recycling is realized, the use of a large number of steel pipes and templates is reduced, the problem that the post-pouring strip supporting system occupies construction space for a long time, the whole construction is influenced by overlong supporting time is solved, the construction efficiency is effectively improved, and the construction cost is reduced.
Drawings
FIG. 1 is a schematic plan layout of a top plate post-cast strip formwork-free tool.
FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1.
Fig. 3 is an enlarged view of a portion of the node B of fig. 2.
Fig. 4 is a partial enlarged view of the node C in fig. 2.
In the figure, a bottom die 1, a 45-degree pull rod 2, a 60-degree pull rod 3, post-cast strip structural steel bars 4, water stop steel plates 5, concrete structures 6 on two sides of the post-cast strip, post-cast strip construction joints 7, pre-buried pull rods 8, cross rods 9, sealing strips 10 and a die-stripping-free quick-easy-closing-up net 11.
Detailed Description
The invention is further described with reference to the accompanying drawings, so that the design concept, the technical scheme and the advantages of the invention are more clear.
As shown in fig. 1-4, the top plate post-cast strip formwork-supporting-free tool comprises a pull rod structure consisting of a 45-degree pull rod 2, a 60-degree pull rod 3, a pre-buried pull rod 8 and a cross rod 9, wherein the cross rod 9, a bottom die 1 and a sealing strip 10 form a bottom die structure, and a formwork-removal-free quick-easy-closing-in net 11 independently forms a side die structure of a concrete structure at two sides of the post-cast strip.
The 45-degree pull rod 2, the 60-degree pull rod 3 and the embedded pull rod 8 are all steel bars with phi 12, so that local materials are conveniently available, the operation and the use are simple, the bottom die 1 is a 3-mm thick steel plate or a profiled galvanized steel plate, and the closing-in templates of concrete structures 6 on two sides of the post-cast strip adopt a quick-closing-in net 11 without removing the die. The cross bar 9 is a phi 12 steel bar or 30 x 30 square steel.
The embedded pull rod 8, the 45-degree pull rod 2 and the 60-degree pull rod 3 are integrally formed by adopting a welding mode, the 45-degree pull rod 2, the 60-degree pull rod 3 and the cross rod 9 are connected with the bottom die 1 through the cross rod 9, and the connection is connected with an anchor bolt (the bottom die 1 is a steel plate) by adopting welding, so that the whole pull rod structure system is formed.
The cross rod 9 is connected with the bottom die 1 to enable the bottom die to be stressed uniformly, meanwhile, the integrity of the tool is improved, the mechanical stability of the tool is guaranteed, the bottom surface of the bottom die 1 and the bottom surface of the concrete structures 6 on two sides of the post-cast strip are located on the same horizontal plane, sealing strips 10 are arranged between the concrete structures 6 on two sides of the post-cast strip and the bottom die 1, the concrete structures 6 on two sides of the post-cast strip are closed by adopting a die stripping-free quick-easy-closing-in net 11, and the post-cast strip forms a U-shaped seal.
The sealing strip between the bottom die 1 and the concrete structures 6 on two sides of the post-cast strip is beneficial to stable structure, namely, the gap between the concrete structures 6 on two sides of the post-cast strip and the bottom die 1 is closed, and meanwhile, the influence of the deformation of the post-cast strip on the tool is counteracted, so that the normal use of the tool is ensured.
Before concrete is poured on concrete structures 6 on two sides of the post-cast strip, the post-cast strip cover plate is required to protect finished products of the top plate post-cast strip formwork-free tool, pollution in the concrete pouring process is prevented, garbage before pouring of the post-cast strip is prevented from entering the top plate post-cast strip formwork-free tool, and maintenance is performed in time after concrete pouring.
And when the concrete pouring date of the concrete structures 6 at the two sides of the post-pouring belt meets the requirement, pouring the concrete of the post-pouring belt and curing in time. And finishing all construction procedures of the formwork-free tool of the post-cast strip of the top plate, and performing the next construction after the concrete strength of the post-cast strip reaches the design requirement.
The invention updates the conventional post-pouring strip supporting system, has the advantages of very simple integral structure, convenient manufacturing and processing, convenient and quick construction, stable and reliable use, and the embedded pull rod 8, the 45-degree pull rod 2, the 60-degree pull rod 3 and the cross rod 9 are common steel bars or small-sized section steel on a construction site, are convenient for local material taking, realize resource recycling, reduce the use of a large number of steel pipes and templates, solve the problems that the post-pouring strip supporting system occupies construction space for a long time, and the support time is too long to influence the integral construction, effectively improve the construction efficiency and reduce the construction cost.
What has been described above is merely a partial, but not all embodiments of the invention. Based on the embodiments of the present invention, those skilled in the art may make modifications and substitutions with the conventional common general knowledge, such as changes in the material of the bottom die, changes in the material of the tie rods, changes in the number, etc., all fall within the scope of the present invention.
Claims (5)
1. The top plate post-pouring belt formwork-supporting-free tool is characterized by comprising a bottom die (1), a cross rod (9), a pull rod assembly and a sealing strip (10), wherein the pull rod assembly comprises a pre-buried pull rod (8), a 45-degree pull rod (2) and a 60-degree pull rod (3), one ends of the 45-degree pull rod (2) and the 60-degree pull rod (3) are welded at an angle of 60 degrees at the pre-buried pull rod (8) respectively, the other ends of the 45-degree pull rod and the 60-degree pull rod are welded with the cross rod (9), and the cross rod (9) is welded with the bottom die (1);
the side mold structure of the concrete structure at two sides of the post-pouring belt is independently formed by a 45-degree pull rod (2), a 60-degree pull rod (3), a pre-buried pull rod (8) and a cross rod (9), wherein the cross rod (9), the bottom mold (1) and the sealing strip (10) form a bottom mold structure, and the mold-disassembling-free quick-easy-closing-in net (11).
2. The top plate post-cast strip formwork-free tool according to claim 1 is characterized in that the embedded pull rod (8), the 45-degree pull rod (2) and the 60-degree pull rod (3) are integrally formed by welding through double-sided welding 5d, the anchoring length of the embedded pull rod (8) is required to meet the standard requirement and is not less than 420mm, the 45-degree pull rod (2) and the 60-degree pull rod (3) are welded with the cross rod (9) through double-sided welding 5d, the cross rod (9) is connected with the bottom die (1), the double-sided welding 5d welding connection mode is adopted when the bottom die (1) is made of a 3-mm thick steel plate, and the anchor bolt connection mode is adopted when the bottom die (1) is made of a profiled steel plate.
3. The top plate post-cast strip formwork-supporting-free tool according to claim 1 is characterized in that steel bars with phi 12 are adopted by the 45-degree pull rod (2), the 60-degree pull rod (3) and the embedded pull rod (8), a 3-mm thick steel plate or a profiled galvanized steel plate is adopted by the bottom die (1), a formwork-stripping-free quick-easy-closing-in net (11) is adopted by a concrete structure (6) closing-in template on two sides of the post-cast strip, and steel bars with phi 12 or 30 x 30 square steel are adopted by the cross rods (9).
4. The top plate post-cast strip formwork-free tool according to claim 1, wherein the cross rod (9) is connected with the bottom die (1) to enable the bottom die to be stressed uniformly, meanwhile, the integrity of the tool is increased, the mechanical stability of the tool is guaranteed, the bottom surface of the bottom die (1) and the bottom surfaces of concrete structures (6) on two sides of the post-cast strip are located on the same horizontal plane, sealing strips (10) are arranged between the concrete structures (6) on two sides of the post-cast strip and the bottom die (1), the concrete structures (6) on two sides of the post-cast strip are closed by adopting a formwork-removal-free quick-easy-closing-in net (11), and the post-cast strip forms a U-shaped seal.
5. The roof post-cast strip formwork-free tool as claimed in claim 1, wherein the construction using the tool comprises the steps of:
The method comprises the steps of 1, accurately manufacturing a top plate post-pouring belt mould-supporting-free tool according to a drawing, manufacturing a bottom mould (1) according to post-pouring belt width, and controlling the lengths and positions of an embedded pull rod (8), a 45-degree pull rod (2) and a 60-degree pull rod (3) according to the thickness of a floor slab, wherein the anchoring length of the embedded pull rod (8) is required to meet the standard requirement and is not less than 420mm;
Step 2, accurately positioning the post-cast strip position, fixing a post-cast strip mold-supporting-free tool of a top plate in a positioned post-cast strip area, and pasting sealing strips (10) at the joint of a bottom die (1) and concrete structures (6) on two sides, wherein the design is used for counteracting extrusion of partial post-cast strip deformation to the post-cast strip mold-supporting-free tool of the top plate, compensating gaps generated at the post-cast strip deformation, preventing slurry leakage at the post-cast strip casting position when concrete is cast, and avoiding the problem of post-cast strip concrete casting quality:
Step 3, after the tool is installed, the post-cast strip structural steel bars (4) and the water stop steel plates (5) are constructed, the formwork on two sides of the post-cast strip adopts a formwork stripping-free quick-easy closing-in net (11), the casting quality of concrete structures (6) on two sides of the post-cast strip is improved, the disturbance of the formwork supporting-free tool on the top plate post-cast strip during the formwork stripping on two sides of the post-cast strip is avoided, and the overall stability is improved:
Step 4, before concrete is poured on the concrete structures (6) on the two sides of the post-pouring belt, a post-pouring belt cover plate is required to protect a finished product of the post-pouring belt formwork-free tool of the top plate, pollution in the concrete pouring process is prevented, garbage before pouring of the post-pouring belt is prevented from entering the post-pouring belt formwork-free tool of the top plate, and maintenance is performed in time after concrete pouring;
And 5, pouring post-cast strip concrete when the pouring date of the post-cast strip concrete reaches the requirement, curing in time, completing all construction procedures of the top plate post-cast strip formwork-free tool, and performing next construction after the strength of the post-cast strip concrete reaches the design requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411363367.XA CN119122264A (en) | 2024-09-27 | 2024-09-27 | A formwork-free tool for post-casting strip of top plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411363367.XA CN119122264A (en) | 2024-09-27 | 2024-09-27 | A formwork-free tool for post-casting strip of top plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119122264A true CN119122264A (en) | 2024-12-13 |
Family
ID=93763688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411363367.XA Pending CN119122264A (en) | 2024-09-27 | 2024-09-27 | A formwork-free tool for post-casting strip of top plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119122264A (en) |
-
2024
- 2024-09-27 CN CN202411363367.XA patent/CN119122264A/en active Pending
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