CN114150860A - Cast-in-situ concrete slab fast-assembling early-dismantling formwork system - Google Patents
Cast-in-situ concrete slab fast-assembling early-dismantling formwork system Download PDFInfo
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- CN114150860A CN114150860A CN202111587208.4A CN202111587208A CN114150860A CN 114150860 A CN114150860 A CN 114150860A CN 202111587208 A CN202111587208 A CN 202111587208A CN 114150860 A CN114150860 A CN 114150860A
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- 238000009415 formwork Methods 0.000 title claims description 21
- 238000011065 in-situ storage Methods 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000008093 supporting effect Effects 0.000 claims description 10
- 239000011120 plywood Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000002023 wood Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
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- 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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention belongs to the technical field of building templates, and particularly relates to a cast-in-place concrete slab quick-assembly early-disassembly template system which comprises a support column assembly, a frame beam and a panel, wherein the support column assembly comprises a steel pipe upright rod and a screw rod, two adjusting nuts are arranged on the screw rod, an early-disassembly support is arranged above the adjusting nut on the upper side, a top support is fixed at the top of the screw rod, a transverse U-shaped support is arranged at the top of the early-disassembly support, and limiting through holes are formed in the inner surfaces of two ends, which are not provided with limiting wing plates, of the horizontal plane of the transverse U-shaped support; the frame beam comprises a main beam and a small beam, and a limiting rod matched with the limiting through hole is fixedly arranged at the bottom of the frame beam corresponding to the position of the limiting through hole; the small beams are combined small beams, and a panel is erected above the tops of the combined small beams. Compared with the prior art, the invention has the following advantages: all the components can be produced in a factory in a modularized manner, and assembled on site, so that the geometric dimension of the template can be ensured, the geometric dimension of the concrete after molding is further ensured, the construction quality is ensured, the material turnover rate is improved, and the construction cost is reduced.
Description
Technical Field
The invention belongs to the technical field of building templates, and particularly relates to a cast-in-place concrete slab quick-assembly early-disassembly template system.
Background
The common building industry die body system in the market at present comprises a wood die plate, a steel die plate, an aluminum alloy die plate and a plastic die plate, various systems have respective advantages and are used in various building projects in a large quantity, the existing die plate system is complex in structure and various in variety, in order to shorten the construction period, the production die plate is designed in advance, and on-site installation is the best solution.
According to the existing concrete slab formwork construction scheme, the U support of the early-dismantling screw rod is locally used, so that most of formworks on a concrete slab surface can be dismantled in advance, but partial components need to be further processed before installation so as to be convenient to install, the problems that the formworks fall off and the like easily occur in the dismantling process, the geometric dimension of the formed formworks is limited by a plurality of factors such as the technology, responsibility, material quality, temperature and humidity of construction workers, the geometric dimension of the formed concrete cannot be guaranteed, and therefore a formwork construction system which is simple to use and convenient to operate needs to be involved.
Disclosure of Invention
The invention aims to solve the problems of a building template system, and provides a cast-in-place concrete plate quick-assembly early-disassembly template system which can be assembled on site after factory modularization according to the specific conditions of a construction site, ensures the geometric dimension of a template, further ensures the geometric dimension of the concrete after molding, can be used for multiple times after one-time template matching, reduces the template manufacturing cost, realizes template matching in advance, shortens the manufacturing and installing time of the site template, and shortens the construction period.
The invention is realized by the following technical scheme: a cast-in-place concrete slab fast-assembling early-dismantling formwork system comprises a support column assembly, a frame beam and a panel, wherein the support column assembly is made into a formwork by adopting a disc buckle type steel pipe and comprises a steel pipe vertical rod and a screw rod, the steel pipe vertical rod is a national standard universal vertical rod, the upper end structure and the specification of the steel pipe vertical rod are adjusted, two adjusting nuts are arranged on the screw rod, an early-dismantling support is arranged above the adjusting nut on the upper side and is used for erecting a main beam, and a jacking support is fixed at the top of the screw rod;
the early-dismantling support comprises a vertical sleeve, the top of the vertical sleeve is provided with a transverse U-shaped support, a plurality of reinforcing plates are uniformly distributed between the outer side surface of the vertical sleeve and the bottom of the transverse U-shaped support, usually 4 reinforcing plates are arranged along the diagonal line of the bottom of the transverse U-shaped support, and the inner surfaces of two ends of the horizontal plane of the transverse U-shaped support, which are not provided with limiting wing plates, are provided with limiting through holes;
the U-shaped supports are arranged on the two adjacent transverse U-shaped supports, the deformed main beams are used for being arranged on the transverse U-shaped supports on the outermost side, limiting rods matched with the limiting through holes are fixedly arranged at the positions, corresponding to the limiting through holes, of the bottoms of the general main beams and the deformed main beams, and positioning through holes with upward openings are formed in the top parts of the general main beams and the deformed main beams, close to the end parts;
the small beams comprise independent small beams and combined small beams, the independent small beam main body is a grid plate obtained by assembling a plurality of square steel pipes and two angle steel connecting pieces, positioning rods which are vertically downward and matched with the positioning through holes are arranged at the bottom of each combined small beam close to the corners, and the combined small beams are erected on the main beams through the matching of the positioning rods and the positioning through holes; the independent small beam is erected on the top support;
the tops of the combined type small beams and the independent type small beams are flush, and a panel is erected above the combined type small beams and the independent type small beams;
after the panel is laid, the panel is cleaned, brushed with a release agent, and inspected for elevation and flatness, and the panel is made firm.
Further, the gag lever post includes the cylindricality body of being connected with general girder or deformation girder and the radius stage body of being connected with the cylindricality body, gag lever post total length 100mm, wherein the cylindricality body is long 85mm, and the toper body is long 15mm, and the diameter of the cylindricality body is 10mm, and radius stage body top surface diameter is 10mm, and the bottom surface diameter is 5 mm.
Furthermore, a plurality of square steel pipes of the combined type small beam are arranged in parallel, an angle steel connecting piece is fixed below the two end sides of each square steel pipe, a limiting square wood is fixed outside the square steel pipe positioned on the outermost side, and the part, positioned between the square steel pipes, of the inner side of each angle steel connecting piece is fixedly connected with the square wood; when the length of the square steel pipe is larger than 450mm, the middle position of the bottom of the square steel pipe is provided with a reinforcing connecting piece which is vertically fixed with the square steel pipe, so that the comprehensive strength of the combined type small beam can be ensured.
Furthermore, the top support is a longitudinal U-shaped support, the bottom of the independent small beam is provided with a supporting rod made of square timber, and the longitudinal U-shaped support plays a certain limiting role on the independent small beam through the supporting rod and mainly plays a role in force support of a reserved belt; the bottom surfaces of the transverse U-shaped support and the longitudinal U-shaped support are perpendicular to the steel pipe vertical pipe, the side vertical plates of the transverse U-shaped support and the longitudinal U-shaped support are perpendicular to each other, a main beam is transversely erected on the transverse U-shaped support, a supporting rod is erected on the longitudinal U-shaped support to be perpendicular to the main beam, and meanwhile, an angle steel connecting piece, a connecting square timber and a reinforcing connecting piece are also perpendicular to the main beam; the center position is equipped with the spiro union hole on the top surface of top support, enables to push up the support and passes through the fix with screw in screw rod top, and the spiro union hole both ends are equipped with connect the via hole on the top surface, can conveniently connect independent type trabecula.
Further, the lowest position of the reinforcing plate is higher than the bottom of the vertical sleeve, so that the adjusting nut can be prevented from being subjected to large resistance when being detached.
Furthermore, the reinforcing plate is provided with an opening, the anti-falling chain is hung in the opening and is connected with the combined type small beam, and the potential safety hazard of the template during removal can be reduced.
Furthermore, the panel is a common plywood or a hollow plastic template, so that the production and construction cost can be effectively reduced.
Compared with the prior art, the invention has the following advantages: all the components can be produced in a factory in a modularized manner and assembled on site, and the geometric dimension of the template can be ensured, so that the geometric dimension of the concrete after molding is ensured, and the construction quality is ensured; the square steel pipe is combined with the square wood, so that the wood loss is reduced, the rigidity and the strength of the template supporting system are increased, the material turnover rate is improved, and the material cost is reduced; the sheet is manufactured according to a certain geometric dimension according to a design scheme, so that one-time die matching and multiple use can be realized, the template manufacturing cost is reduced, the on-site template manufacturing and mounting time is shortened, the construction period is shortened, the influence of the worker technology and external factors on the construction quality is reduced, and the management of safe and civilized construction is facilitated; compared with an aluminum mould, the aluminum mould overcomes the defect that the aluminum mould is inconvenient to use in buildings with few basements, non-standard floors, few standard floors and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a support column assembly.
Fig. 3 is a top view of the jacking.
Fig. 4 is a front view of the support column assembly.
Figure 5 is a side view of a support column assembly.
Fig. 6 is a top view of the transverse u-shaped holder.
Fig. 7 is a bottom view of the transverse U-shaped holder.
FIG. 8 is a top view of the main beam installation.
Fig. 9 is a front view of the universal main beam.
Fig. 10 is a structural view of the sectional type trabecula.
Fig. 11 is a bottom view of the sectional trabeculae.
Figure 12 is a side view of a modular joist.
FIG. 13 is a schematic view of the early stage detachment in the embodiment 2.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The scheme of the invention is suitable for the construction of cast-in-place floor and roof board projects of various residences, public buildings, industrial plants and the like.
Example 1
As shown in fig. 1, a cast-in-place concrete slab fast-assembling early-dismantling formwork system comprises a support column assembly, a frame beam and panels, wherein the support column assembly adopts a disc buckle type steel pipe to manufacture a formwork, and comprises a steel pipe upright and a screw rod 1, the steel pipe upright is a national standard universal upright, the upper end structure and specification of the steel pipe upright are adjusted, two adjusting nuts 5 are arranged on the screw rod 1 and comprise an upper adjusting nut 51 and a lower adjusting nut 52, the upper adjusting nut 51 is used for adjusting the height of an early-dismantling support, the quick-dismantling formwork system can be dismantled by dismantling the quick-dismantling formwork system firstly when the formwork is dismantled, so that a main beam, an assembled trabecula and all panels except the independent trabecula can be dismantled, and the supporting effect of the formwork frame body on a reserved belt can be kept; the lower adjusting nut 52 is mainly used for adjusting the height of the early-dismantling support and the top support 3, and the early-dismantling support and the top support 3 can simultaneously move in the same direction by adjusting the lower adjusting nut, so that the purpose of adjusting the flatness of the panel is achieved; the early dismantling support is used for erecting a main beam 4, and the top of the screw 1 is fixed with a jacking support 3;
as shown in fig. 2-6, the early-dismantling holder comprises a vertical sleeve 21, a transverse u-shaped holder 2 is arranged at the top of the vertical sleeve 21, a plurality of reinforcing plates 22 are uniformly distributed between the outer side surface of the vertical sleeve 21 and the bottom of the transverse u-shaped holder 2, the lowest part of each reinforcing plate 22 is higher than the bottom of the vertical sleeve 21, so that the upper adjusting nut 51 can be prevented from being subjected to large resistance during dismantling, as shown in fig. 5, 4 reinforcing plates are arranged along the oblique diagonal line of the bottom of the transverse u-shaped holder 2, and the inner surfaces of two ends of the horizontal plane of the transverse u-shaped holder 2, which are not provided with limiting flanges, are provided with limiting through holes 23;
the frame beams comprise main beams and small beams, the main beams comprise general main beams 4 and deformed main beams, the general main beams 4 are erected on two adjacent transverse U-shaped supports 2, the deformed main beams are used for being erected on the transverse U-shaped supports 2 positioned on the outermost side, and as shown in figures 7-9, the positions of the bottoms of the general main beams 4 and the deformed main beams, which correspond to the limiting through holes 23, are fixedly provided with limiting rods 41 matched with the limiting through holes 23; the top parts of the general main beam 4 and the deformed main beam, which are close to the end parts, are provided with positioning through holes 42 with upward openings; the limiting rod 41 is arranged to be conveniently inserted into the limiting through hole 23;
as shown in fig. 10 to 11, the trabeculae comprise independent trabeculae 7 and combined trabeculae 6, the main body of the combined trabeculae 6 is a grid plate obtained by welding a plurality of square steel pipes 61 and two angle steel connecting pieces 62 after being assembled, the plurality of square steel pipes 61 of the combined trabeculae are arranged in parallel, the angle steel connecting pieces 62 are fixed below the two end sides of the square steel pipes 61, the thickness of each angle steel connecting piece 62 is 3mm, and the angle steel connecting pieces are used for connecting the square steel pipes 2 into sheets to realize one-time configuration and multiple use; the limiting square timbers 63 are fixed outside the square steel pipes 61 positioned on the outermost side, the limiting square timbers 63 are fixed with the square steel pipes 61 through self-tapping, and the parts, positioned between the square steel pipes 61, on the inner sides of the angle steel connecting pieces 62 are fixedly connected with square timbers 64; when the length of the square steel pipe 61 is greater than 450mm, a reinforcing connecting piece 65 vertically fixed to the square steel pipe 61 is arranged in the middle of the bottom of the square steel pipe 61, the reinforcing connecting piece 65 is fixedly welded to the square steel pipe 61 and used for preventing the combined type trabecula from deforming in the using process and simultaneously reinforcing the self strength of the combined type trabecula, a positioning rod 621 which is vertically downward and matched with the positioning through hole 42 is arranged at the position, close to the corner, of the bottom of the combined type trabecula 6, the positioning rod 621 is welded to the bottom of the angle steel connecting piece 62, and the combined type trabecula 6 is erected on the main beam 4 through the positioning rod 621 and the positioning through hole 42 in a matched mode;
the top of the top support 3 is provided with an independent joist 7, the center position on the top surface of the top support is provided with a screwing hole 31, the top support 3 can be fixed on the top of the screw rod 1 through a screw, two ends of the screwing hole 31 on the top surface are provided with connecting through holes 32, the diameter of the screwing hole 31 is 6mm, the diameter of the connecting through hole 32 is 10mm, the distance from the circle center of the connecting through hole 32 to the side end is 15mm, the independent joist 7 can be conveniently connected, the top support 3 is a longitudinal U-shaped support, the thickness of the side wall 33 is 3mm, the independent joist 7 is flush with the top of the combined type joist 6, a panel is erected above the independent joist 7, and the panel is a common plywood or a hollow plastic template, so that the production and construction cost can be effectively reduced; the bottom of the independent joist 7 is provided with a supporting rod 71 made of square timber, and the longitudinal U-shaped support plays a certain limiting role on the independent joist through the supporting rod 71; the bottom surfaces of the transverse U-shaped support 2 and the longitudinal U-shaped support are perpendicular to the steel pipe vertical pipe, the transverse U-shaped support 2 is perpendicular to the side vertical plate of the longitudinal U-shaped support, a main beam is transversely erected on the transverse U-shaped support 2, a supporting rod 71 is erected on the longitudinal U-shaped support to be perpendicular to the main beam, and meanwhile, the angle steel connecting piece 62, the connecting square 64 and the reinforcing connecting piece 65 are also perpendicular to the main beam;
after the panel is laid, the panel is cleaned, brushed with a release agent, and inspected for elevation and flatness, and the panel is made firm.
Example 2
As shown in fig. 13, on the basis of embodiment 1, the reinforcing plate 22 is provided with an opening 221, a fall-preventing chain is hung in the opening 221, and the fall-preventing chain is connected with the combined type small beam, so that the potential safety hazard of the template during dismantling can be reduced.
The construction method of the system comprises the following steps:
1. design and site guidance
1.1, carrying out deepening design by technicians according to construction drawings and field investigation to obtain a template production and installation scheme;
1.2, assigning technicians, and carrying out field training on constructors according to the obtained scheme so that the constructors can carry out construction according to drawings;
2. template preparation
Preparing a corresponding amount of template materials according to the design scheme obtained in the step 1.1, wherein the template materials comprise support column assemblies of various specifications, a general main beam 4, a deformed main beam, independent small beams 7, combined small beams 6 and panels;
3. brief steps of field Assembly
3.1, positioning and paying off are carried out according to an installation scheme, a support column assembly is installed according to a well placed axis, correction is carried out after completion, and the height of the early-dismantling support and the directions of the transverse U-shaped support 2 and the jacking support are adjusted;
3.2, installing main beams of corresponding models on the transverse U-shaped support 2 through the limiting through hole 23 and the limiting rod 41 in a matching way;
3.3, installing combined type small beams 6 of corresponding models on the main beams through positioning rods 621 and positioning through holes 42, and installing independent type small beams 7 through connecting through holes 32;
3.4, paving a panel above the combined type trabecula 6 according to a design scheme, and ensuring a reserved belt with the width of 10cm according to an installation scheme;
3.5, cleaning and brushing the release agent;
3.6, checking and submitting, and carrying out the next procedure after the product is checked to be qualified according to corresponding industrial indexes;
3.7, when the concrete age strength reaches about 50% of the design strength, dismantling the main beam, the assembled small beam and all the panels except the reserved belt, and simultaneously ensuring that all the support column components cannot be loosened.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A cast-in-place concrete plate fast-assembling early-dismantling template system comprises a supporting column assembly, a frame beam and panels, wherein the supporting column assembly comprises a steel pipe vertical rod and a screw rod, two adjusting nuts are arranged on the screw rod, an early-dismantling support is arranged above the adjusting nut on the upper side, and a top support is fixed at the top of the screw rod;
the U-shaped supports are arranged on the two adjacent transverse U-shaped supports, the deformed main beams are used for being arranged on the transverse U-shaped supports on the outermost side, limiting rods matched with the limiting through holes are fixedly arranged at the positions, corresponding to the limiting through holes, of the bottoms of the general main beams and the deformed main beams, and positioning through holes with upward openings are formed in the top parts of the general main beams and the deformed main beams, close to the end parts;
the small beams comprise independent small beams and combined small beams, the independent small beam main body is a grid plate obtained by assembling a plurality of square steel pipes and two angle steel connecting pieces, positioning rods which are vertically downward and matched with the positioning through holes are arranged at the bottom of each combined small beam close to the corners, and the combined small beams are erected on the main beams through the matching of the positioning rods and the positioning through holes; the independent small beam is erected on the top support;
and a panel is erected above the combined type small beam and the independent type small beam.
2. The cast-in-place concrete plate fast-assembling early-dismantling formwork system as claimed in claim 1, wherein a plurality of square steel pipes of the combined type trabecula are arranged in parallel, angle steel connectors are fixed below two end sides of the square steel pipes, limit square timbers are fixed outside the square steel pipes positioned on the outermost side, and part of the inner sides of the angle steel connectors, which are positioned between the square steel pipes, is fixedly connected with the square timbers.
3. A cast-in-situ concrete slab quick-assembling early-dismantling formwork system as claimed in claim 2, wherein a reinforcing connecting member is vertically fixed to the middle position of the bottom of the square steel pipe.
4. The cast-in-place concrete plate quick-assembly early-disassembly template system as claimed in claim 1, wherein said top holder is a longitudinal U-shaped holder.
5. The cast-in-place concrete plate quick-assembly early-disassembly template system as claimed in claim 4, wherein bottom surfaces of the transverse U-shaped support and the longitudinal U-shaped support are perpendicular to the steel tube vertical tube, and side-standing plates of the transverse U-shaped support and the longitudinal U-shaped support are perpendicular to each other.
6. The system as claimed in claim 4, wherein the top surface of the top support has a screw hole at its center, and the top surface has two connecting holes at its two ends.
7. A cast-in-situ concrete slab quick-assembling early-dismantling formwork system as claimed in claim 1, wherein the lowest part of said reinforcing plate is higher than the bottom of the vertical sleeve.
8. The cast-in-situ concrete slab quick-assembly early-dismantling formwork system as claimed in claim 1, wherein the reinforcing plate is provided with an opening, a fall preventing chain is hung in the opening, and the fall preventing chain is connected with the combined type small beam.
9. A cast-in-situ concrete slab quick-assembling early-dismantling formwork system as claimed in claim 1, wherein said slab is ordinary plywood or hollow plastic formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111587208.4A CN114150860A (en) | 2021-12-23 | 2021-12-23 | Cast-in-situ concrete slab fast-assembling early-dismantling formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111587208.4A CN114150860A (en) | 2021-12-23 | 2021-12-23 | Cast-in-situ concrete slab fast-assembling early-dismantling formwork system |
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| CN114150860A true CN114150860A (en) | 2022-03-08 |
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| CN202111587208.4A Pending CN114150860A (en) | 2021-12-23 | 2021-12-23 | Cast-in-situ concrete slab fast-assembling early-dismantling formwork system |
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| WO2013139102A1 (en) * | 2012-03-19 | 2013-09-26 | 山东普瑞玛模板有限公司 | Early-removal formwork system for concreting of constructions comprising beams, plates and columns |
| CN203905467U (en) * | 2014-06-13 | 2014-10-29 | 安阳工学院 | Building formwork chapiter dismounted early |
| CN205935647U (en) * | 2016-07-06 | 2017-02-08 | 刘凯仁 | Early horizontal bracket body of cast in situ concrete system of tearing open of template can realize |
| CN206636228U (en) * | 2017-03-28 | 2017-11-14 | 中铁建设集团有限公司 | A kind of cast in place concrete form early tears structure open |
| CN107090974A (en) * | 2017-07-03 | 2017-08-25 | 北京城建六建设集团有限公司 | A kind of top plate Quick Release support system and its construction method |
| CN208950314U (en) * | 2018-10-16 | 2019-06-07 | 中铁四局集团第三建设有限公司 | A kind of falsework device for quickly disassembling |
| JP2021085319A (en) * | 2019-12-01 | 2021-06-03 | 中嶋 勢三 | Movable metal fitting for under-beam |
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Application publication date: 20220308 |