Cast-in-place concrete non-dismantling large formwork structure
By adopting a large-block formwork structure that does not require disassembly and using steel trusses and fasteners for limiting and fixing, the problems of long installation time and difficult adjustment of traditional small-block formwork are solved, achieving an efficient construction process and overall performance improvement.
Patent Information
- Application Number
- CN202422855195.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Traditional small-piece formwork takes a long time to install and is difficult to adjust, resulting in low construction efficiency and prone to deviations.
A large-block formwork structure that does not require disassembly is adopted, and steel trusses and fasteners are used for limiting and fixing. This simplifies the formwork installation process and uses a large-block formwork structure to improve construction efficiency.
It shortens the formwork installation time, reduces the adjustment and correction links, improves construction efficiency, and enhances the overall performance of cast-in-place concrete in buildings.
Smart Images

Figure CN223373935U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to a cast-in-situ concrete large-block formwork structure that does not require disassembly, and belongs to the technical field of construction engineering. Background Art
[0002] As society's awareness of environmental protection increases, the construction industry is also seeking ways to reduce waste generation and resource consumption. Traditional wooden formwork or other reusable formwork needs to be recycled after use, while non-disassembly formwork directly becomes part of the building, reducing the impact on the environment. Most non-disassembly formwork technologies on the market are small-piece, which need to be installed piece by piece. Each piece needs to be precisely aligned and fixed, which will significantly increase installation time and reduce construction efficiency. During the installation process, the adjustment and correction of small-piece formwork is more difficult and prone to deviations.
[0003] Therefore, in view of the shortcomings in the prior art, a large-block formwork structure for cast-in-place concrete without dismantling is proposed. Utility Model Content
[0004] The purpose of the present invention is to provide a large-block formwork structure for cast-in-place concrete that does not require disassembly in order to solve the above problems, so as to solve the problems raised in the above background technology.
[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a cast-in-place concrete non-disassembly large-block formwork structure, including a ground floor, a ceiling floor and vertical reinforcement installed at both ends of the ground floor and the ceiling floor, characterized in that vertical reinforcement and relatively arranged non-disassembly large-block formwork are installed between the ground floor and the ceiling, the non-disassembly large-block formwork includes a formwork, a steel truss, and a fastener, the steel truss is installed on the back of the formwork, the fasteners are arranged between multiple groups of the steel trusses, and the fasteners are arranged at both ends of the formwork for limiting adjacent non-disassembly large-block formworks.
[0006] Furthermore, the steel truss includes bent steel bars, diagonal steel bars and longitudinal stress-bearing steel bars. The bottom ends of multiple groups of the bent steel bars are connected in series to the back of the large-block formwork that does not require disassembly through the longitudinal stress-bearing steel bars, and adjacent bent steel bars are connected through the diagonal steel bars.
[0007] Furthermore, the steel bar truss also includes longitudinal supporting steel bars, and the top ends of the multiple groups of bent steel bars are connected in series through the longitudinal supporting steel bars.
[0008] Furthermore, the fastener includes a sliding hook and a contact plate, and the sliding hook is provided on one side of the contact plate.
[0009] Furthermore, the contact plate is used to limit the position when connected to the relatively set large-block non-disassembly formwork. The contact plate is connected to the longitudinal support steel bars on the relatively set large-block non-disassembly formwork, and the longitudinal support steel bars and the sliding hook are fixed in place by pushing the contact plate toward the sliding hook.
[0010] Furthermore, a cavity is formed between the relatively arranged large non-disassembly formwork blocks, and concrete is placed in the cavity.
[0011] Beneficial effects of the utility model:
[0012] The utility model utilizes the large-block formwork and the fasteners arranged on the back, and utilizes the resistance plates and sliding hooks on the fasteners to limit and fix the relatively arranged large-block formwork. There is no need to install the formwork piece by piece, which shortens the installation time of the non-disassembly formwork and reduces the adjustment and correction links between small-block formworks. The large-block formwork structure not only improves the construction efficiency, but also enhances the overall performance of the cast-in-place concrete of the building. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the large template that does not require disassembly in the present utility model;
[0015] Figure 3 It is a cross-sectional schematic diagram of the utility model;
[0016] Figure 4 This is a schematic diagram of a fastener of the present utility model;
[0017] Figure 5 This is the installation diagram of the utility model Figure 1 ;
[0018] Figure 6 This is the installation diagram of the utility model Figure 2 ;
[0019] Figure 7 This is the installation diagram of the utility model Figure 3 ;
[0020] Figure 8 This is the installation diagram of the utility model Figure 4 ;
[0021] In the figure: A. Large formwork that does not require disassembly; 1. Formwork; 2. Fasteners; 2.1. Sliding hooks; 2.2. Contact plates; 3. Steel trusses; 3.1. Bending steel bars; 3.2. Diagonal steel bars; 3.3. Longitudinal supporting steel bars; 3.4. Longitudinal force-bearing steel bars; 4. Joints; 5. Concrete; 6. Vertical bars; 7. Ground slabs; 8. Frame bars; 9. Ceiling slabs. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figures 1-8 As shown, Figures 1-8 A large-block formwork structure for cast-in-situ concrete that does not require disassembly is schematically shown according to the utility model.
[0024] A cast-in-place concrete non-disassembly large-block formwork structure includes a ground floor slab 7, a ceiling slab 9, and vertical reinforcement 8 installed at both ends of the ground floor slab 7 and the ceiling slab 9. It is characterized in that vertical reinforcement 6 and a relatively non-disassembly large-block formwork A are installed between the ground floor slab 7 and the ceiling slab 9. The non-disassembly large-block formwork A includes a formwork 1, a steel truss 3, and a fastener 2. The steel truss 3 is installed on the back of the formwork 1. Fasteners 2 are arranged between multiple groups of steel trusses 3. The fasteners 2 are arranged at both ends of the formwork 1 for limiting adjacent non-disassembly large-block formworks A.
[0025] Among them, the template 1 adopts glass fiber reinforced cement board with high strength and strong corrosion resistance to meet the requirements of later combination with concrete.
[0026] Among them, one end of the vertical reinforcement 6 is pre-installed on the ground floor 7, and the other end passes through the non-dismantling large-block formwork A and extends to the ceiling floor 9.
[0027] Furthermore, the steel truss 3 includes bent steel bars 3.1, diagonal steel bars 3.2 and longitudinal stress-bearing steel bars 3.4. The bottom ends of multiple groups of bent steel bars 3.1 are connected in series to the back of the large-scale formwork A that does not require disassembly through the longitudinal stress-bearing steel bars 3.4, and adjacent bent steel bars 3.1 are connected through diagonal steel bars 3.2.
[0028] Furthermore, the steel bar truss 3 further includes longitudinal supporting steel bars 3.3, and the top ends of the plurality of groups of bent steel bars 3.1 are connected in series via the longitudinal supporting steel bars 3.3.
[0029] Among them, adjacent bent steel bars 3.1 are connected by diagonal steel bars 3.2 to ensure the structural stability of the steel truss 3.
[0030] Furthermore, the fastener 2 includes a sliding hook 2.1 and a contact plate 2.2, and the sliding hook 2.1 is provided on one side of the contact plate 2.2.
[0031] Furthermore, the contact plate 2.2 is used to limit the position when connected to the relatively set large-block non-removal formwork A. The contact plate 2.2 is connected to the longitudinal support steel bars 3.3 on the relatively set large-block non-removal formwork A, and the longitudinal support steel bars 3.3 and the sliding hook 2.1 are fixed in place by pushing the contact plate toward the direction of the sliding hook.
[0032] Among them, the back sides of the relatively arranged large-block template A are in a mirror image relationship.
[0033] Furthermore, a cavity is formed between the relatively arranged large non-disassembly formwork blocks A, and concrete 5 is placed in the cavity.
[0034] Among them, the relatively arranged large-scale templates A that do not require disassembly will produce joints 4 during installation. By staggering the joints, a direct connection line between the two templates can be effectively avoided, reducing possible defects caused by joint connection, and is also beneficial to the adjustment and connection of the templates during the construction process, thereby improving the efficiency and quality of construction.
[0035] Among them, the weak points at the joints 4 of the large formwork A which do not need to be dismantled when the concrete 5 is poured in situ are also weakened, and the concentrated stress can be dispersed and balanced when the concrete 5 is poured in situ.
[0036] Among them, a cavity is formed between the relatively large-block formwork A that does not need to be dismantled, and the steel truss 3 and the vertical steel bars 6 formed in the cavity are cast-in-place concrete as a whole, and finally form an integral cast-in-place concrete 5 large-block formwork structure that does not need to be dismantled, ensuring that the cast-in-place concrete 5 is effectively connected to the ground floor slab 7 and the ceiling floor slab 9.
[0037] Beneficial effects of the utility model:
[0038] The utility model utilizes the large-block formwork A and the fastener 2 provided on the back, and utilizes the resistance plate 2.2 and the sliding hook 2.1 on the fastener 2 to limit and fix the relatively arranged large-block formwork. There is no need to install the formwork piece by piece, which shortens the installation time of the non-disassembly formwork and reduces the adjustment and correction links between small-block formworks. The large-block formwork structure not only improves the construction efficiency, but also enhances the overall performance of the cast-in-place concrete of the building.
[0039] In this utility model, refer to Figure 5-Figure 8 , a method for installing a large formwork structure for cast-in-place concrete without dismantling is as follows:
[0040] Step 1: Determine the location where concrete 5 is required on the ground floor slab 7, and pre-embed and install vertical reinforcement 6 and frame reinforcement 8.
[0041] Step 2: Install the large formwork A on one side of the cast-in-place concrete 5 position. Figure 5 , install the non-removable large template A on the other side of the concrete 5 position. Figure 6The back of the relatively large template A is in a mirror image relationship. The longitudinal support steel bar 3.3 behind the large template A corresponds to the contact plate 2.2 on the relatively large template A, until the longitudinal support steel bar 3.3 is in substantial contact with the contact plate 2.2. Figure 7 ;
[0042] Step 3: Then, push the large template A on the other side along the contact plate 2.2 toward the slide hook 2.1 to fix the longitudinal support steel bar 3.3 and the slide hook 2.1 in place. Figure 8 Repeat the above steps to install all the large-block templates A that do not require disassembly. Finally, a cavity is formed between the relative large-block templates A for pouring concrete 5.
[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0044] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A cast-in-place concrete large-block formwork structure that does not require disassembly, comprising a ground floor slab, a ceiling slab, and reinforcement bars installed at both ends of the ground floor slab and the ceiling slab, characterized in that: Vertical reinforcement and relatively arranged large-block formwork that does not require disassembly are installed between the ground floor and the ceiling floor. The large-block formwork that does not require disassembly includes a formwork, a steel truss, and fasteners. The steel truss is installed on the back of the formwork, and the fasteners are arranged between multiple groups of the steel trusses. The fasteners are arranged at both ends of the formwork for limiting adjacent large-block formwork that does not require disassembly.
2. A cast-in-place concrete large-block formwork structure free of disassembly as claimed in claim 1, characterized in that: The steel truss includes bent steel bars, diagonal steel bars and longitudinal stress-bearing steel bars. The bottom ends of multiple groups of the bent steel bars are connected in series to the back of the large-block formwork that does not require disassembly through the longitudinal stress-bearing steel bars, and adjacent bent steel bars are connected through the diagonal steel bars.
3. A cast-in-place concrete large-block formwork structure free of disassembly as claimed in claim 2, characterized in that: The steel bar truss further includes longitudinal supporting steel bars, and the top ends of the plurality of groups of bent steel bars are connected in series via the longitudinal supporting steel bars.
4. A cast-in-situ concrete large-block formwork structure free of dismantling as claimed in claim 3, characterized in that: The fastener includes a sliding hook and a contact plate, and the sliding hook is provided on one side of the contact plate.
5. A cast-in-place concrete large-block formwork structure free of dismantling as claimed in claim 4, characterized in that: The contact plate is used to limit the position when connected to the relatively set large-block non-removal formwork. The contact plate is connected to the longitudinal support steel bars on the relatively set large-block non-removal formwork, and the longitudinal support steel bars and the sliding hook are fixed in place by pushing the contact plate toward the sliding hook.
6. A cast-in-situ concrete large-block formwork structure that does not require disassembly as claimed in claim 5, characterized in that: A cavity is formed between the relatively arranged large non-disassembly formwork blocks, and concrete is placed in the cavity.