Building horizontal structure formwork structure and construction method thereof

Abstract

The application discloses a building horizontal structure template structure and a construction method thereof, and belongs to the technical field of building template structures. The template structure is composed of template units, and the size of the template structure is designed according to the structure characteristics. The template structure is a large-module whole installation and turnover floor template, and the template structure overcomes the shortcomings of the prior art, such as single-piece installation and large engineering operation quantity. In the construction process, the template structure is vertically hoisted by using a material lifting system and is horizontally carried and installed and disassembled by using a hydraulic lifting vehicle, so that the dependence on tower cranes is reduced, and the template structure has the characteristics of quick construction, short construction period, less labor input, high quality, green environmental protection and the like. The template structure solves the problems of single-piece installation and disassembly and large engineering operation quantity of the prior steel-aluminum template in the construction of horizontal structures.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, specifically to a formwork structure for horizontal building structures and its construction method. Background Technology

[0002] With the development of the construction industry, formwork technology has gradually become more diversified. As a core technology in concrete structure construction, formwork plays a vital role in the construction period, quality, cost, and safety of concrete structure projects.

[0003] For horizontal concrete structures, traditional formwork mainly uses wooden molds, which has since evolved into green and energy-saving formwork such as steel and aluminum molds. Existing steel and aluminum formwork technologies involve transporting the formwork to the construction site and installing and dismantling it piece by piece, resulting in a massive workload.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of the invention and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0005] To overcome the shortcomings of existing technologies, a formwork structure for horizontal building structures and its construction method are provided to solve the problem of large workload in the construction of horizontal structures using existing steel and aluminum formwork, which involves the installation and dismantling of individual pieces.

[0006] To achieve the above objectives, a horizontal structural formwork structure for buildings is provided, comprising:

[0007] A rectangular splicing mold includes multiple template units spliced ​​together. The outer edge of each template unit has a flange plate. The flange plates of two adjacent template units are detachably connected by bolts. Supporting steel is connected between the flange plates on opposite sides of the template unit. An edge sealing plate is detachably installed on the outer edge of the splicing mold, and the edge sealing plate has a lifting hole.

[0008] Multiple keels, the keels being supported by the supporting steel of multiple template units, the keels being bolted to the supporting steel;

[0009] At least four legs arranged in a matrix and height adjustable, the legs are connected to the keel, the legs are detachably equipped with rollers, and the opposite sides of the legs are connected to the flange plates of the template unit by diagonal bracing rods.

[0010] Multiple support columns are installed at the bottom of each of the keels.

[0011] Furthermore, the template unit is a steel template or an aluminum template.

[0012] Furthermore, the edge banding plate is bolted to the flange plate of the template unit on the outer edge of the splicing mold.

[0013] Furthermore, the diagonal brace includes a threaded sleeve and a plug-in screw, with the plug-in screw screw respectively screwed into both ends of the threaded sleeve, and the plug-in screw screw at one end of the screw sleeve is hinged to the fastener.

[0014] Furthermore, a support plate is formed on the top of the outrigger, the support plate is supported on the keel, a locking rod is provided on the upper part of the keel, and the two ends of the locking rod extend downward to form locking rods, which are detachably connected to the support plate.

[0015] Furthermore, the outrigger includes:

[0016] The outer tube is set vertically, and the bottom of the support plate is connected to the insertion tube. The insertion rod is detachably inserted into the upper end of the outer tube.

[0017] An inner tube, the upper end of which is adjustablely installed inside the lower end of the outer tube;

[0018] A base, with a threaded rod vertically mounted on its upper end. The upper end of the threaded rod is movably inserted into the lower end of the inner tube. The threaded rod is screwed with a threaded engagement member, which is supported on the lower end of the inner tube.

[0019] Furthermore, the roller is vertically and flexibly mounted on the support leg via a bracket, the bracket comprising:

[0020] A riser, wherein the roller is rotatably mounted on the riser;

[0021] Multiple auxiliary plates are connected to the riser. The multiple auxiliary plates are spaced apart along the length of the riser. The other end of each auxiliary plate is detachably connected to the lower end of the inner tube.

[0022] Furthermore, a lifting rod is movably inserted into the lifting hole, an end plate is formed at the upper end of the lifting rod, an ear plate is fixedly provided on the end plate, and a cable hole for connecting the lifting machinery's sling is provided on the ear plate. An anti-detachment component is adjustablely installed at the lower end of the lifting rod, and the outer diameter of the anti-detachment component is larger than the inner diameter of the lifting hole.

[0023] This invention provides a construction method for a horizontal formwork structure in a building, comprising the following steps:

[0024] The formwork for the horizontal structure of the building is hoisted onto the floor slab below the horizontal structure of the building to be constructed.

[0025] The lifting mechanism is positioned below the splicing mold, and the splicing mold is lifted to the design elevation using the lifting mechanism;

[0026] Adjust the height of at least four legs so that the floor slab is supported by the legs;

[0027] Remove the lifting mechanism;

[0028] Multiple support columns are installed on the multiple keels at the bottom of the splicing mold, so that the floor slab is supported by the multiple support columns;

[0029] The horizontal structure of the building is cast on the splicing mold;

[0030] After the horizontal structure of the building meets the conditions for demolding, it is dismantled and transported to the unloading platform with the help of jacking machinery;

[0031] The building's horizontal structural template is lifted by a lifting device to the next floor of the building's horizontal structural section to be constructed for reuse.

[0032] The beneficial effects of this invention are that the building horizontal structural formwork structure and its construction method are based on formwork units assembled off-site, with large-module integral installation and turnover of floor slab formwork designed according to structural characteristics. This overcomes the shortcomings of existing formwork technology, which involves single-piece installation and large turnover work. At the same time, during the construction process, a material lifting system is used for vertical hoisting, and a hydraulic lifting vehicle is used for horizontal handling and installation and dismantling, reducing the dependence on tower cranes. It has the characteristics of fast construction, short construction period, low labor input, high quality, and green environmental protection. Attached Figure Description

[0033] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0034] Figure 1 This is a schematic diagram of the building horizontal structure template structure according to an embodiment of the present invention.

[0035] Figure 2 This is a schematic diagram illustrating the movement state of the horizontal structural template structure in an embodiment of the present invention.

[0036] Figure 3 This is a schematic diagram of the hoisting state of the horizontal structural template structure of a building according to an embodiment of the present invention.

[0037] Figure 4 This is a schematic diagram of the support leg in an embodiment of the present invention.

[0038] Figure 5 This is a schematic diagram of the connection node between the support leg and the keel in an embodiment of the present invention.

[0039] Figure 6 This is a schematic diagram of the diagonal brace according to an embodiment of the present invention. Detailed Implementation

[0040] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0041] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0042] Reference Figures 1 to 6 As shown, the present invention provides a horizontal structural template structure for buildings, including: splicing mold 1, keel 2, support leg 3 and support column 4.

[0043] The splicing module 1 comprises multiple template units 11 spliced ​​together. After splicing, the splicing module 1 is rectangular.

[0044] In this embodiment, the template unit 11 is a steel template or an aluminum template. A flange is formed on the outer edge of the template unit 11. Supporting steel is connected between the flanges on opposite sides of the template unit 11.

[0045] The flanges of two adjacent template units 11 are detachably connected by bolts. An edge sealing plate 12 is detachably installed on the outer edge of the splicing mold 1. The edge sealing plate 12 has lifting holes.

[0046] There are multiple keels 2. Keels 2 are supported by the supporting steel of multiple template units 11. Keels 2 are bolted to the supporting steel.

[0047] The number of support legs 3 is at least four. In this embodiment, the number of support legs is four. The multiple support legs 3 are arranged in a matrix.

[0048] The height of each leg is adjustable. The four legs (3) are connected to the keel (2). See also... Figure 2 The support leg 3 is detachably equipped with rollers 35. Diagonal braces 31 are connected between the opposite sides of the support leg 3 and the flange plate of the template unit 11.

[0049] There are multiple support columns 4. Multiple support columns 4 are installed at the bottom of each keel 2.

[0050] In a preferred embodiment, the edge banding 12 is bolted to the flange plate of the template unit 11 on the outer edge of the splicing mold 1.

[0051] In this embodiment, refer to Figures 1 to 3As shown, a lifting rod 13 is movably inserted through the lifting hole of the edge sealing plate 12. An end plate 14 is formed at the upper end of the lifting rod 13. An ear plate is fixedly provided on the end plate 14. The ear plate has a cable hole for connecting the lifting sling of the lifting machinery. An anti-detachment component is adjustablely installed at the lower end of the lifting rod 13. The outer diameter of the anti-detachment component is larger than the inner diameter of the lifting hole.

[0052] In this embodiment, the lifting rod is a screw rod. The anti-detachment component is a nut. The anti-detachment component is screwed onto the lower end of the lifting rod.

[0053] During construction, the components are first assembled to form a complete interlocking mold, and then hoisted as a whole using lifting machinery. Specifically, as follows... Figure 3 As shown, the slings of the hoisting machinery are connected to the lifting holes of the ear plate, thereby hoisting the splicing mold.

[0054] See Figure 1 and Figure 4 As shown, the support leg 3 includes: an outer tube 32, an inner tube 33, and a base 34.

[0055] The outer tube 32 is vertically positioned. A tube is connected to the bottom of the support plate 321. The upper end of the inner tube 33 is adjustablely installed within the lower end of the outer tube 32. A threaded rod is vertically mounted on the upper end of the base 34. The upper end of the threaded rod is movably inserted into the lower end of the inner tube 33. A threaded engagement piece is screwed onto the threaded rod. The threaded engagement piece is supported at the lower end of the inner tube 33.

[0056] Continue reading Figure 1 and Figure 2 As shown, the diagonal brace 31 includes a threaded sleeve 311 and a plug-in screw 312. Plug-in screws 312 are screwed onto both ends of the threaded sleeve 311. The plug-in screw 312 at one end of the threaded sleeve is hinged to the fastener.

[0057] In this embodiment, diagonal braces are provided on opposite sides of two adjacent support legs. Each support leg has two diagonal braces. The fasteners of the diagonal braces are detachably locked to the upper end of the outer tube.

[0058] See Figure 5 As shown, a support plate 321 is formed on the top of the support leg 3. The support plate 321 is supported on the keel 2. A locking rod is provided on the upper part of the keel 2. Locking rods 322 are formed by extending downwards from both ends of the locking rod. The locking rods 322 are detachably connected to the support plate 321. In this embodiment,

[0059] The bottom of the support plate is connected to a plug rod 323. The plug rod 323 is detachably inserted into the upper end of the outer tube 32.

[0060] Continue reading Figure 2 As shown, the roller 35 is mounted on the support leg 3 in a height-adjustable manner via the bracket 36.

[0061] Specifically, the support 36 includes: a riser 361 and multiple auxiliary plates 362.

[0062] The roller 35 is rotatably mounted on the riser 361. The roller is rotatably mounted on the lower end of the riser via an axle. Multiple attachment plates 362 are connected to the riser 361. The multiple attachment plates 362 are spaced apart along the length of the riser 361. The other end of the attachment plate 362 is detachably connected to the lower end of the inner tube 33.

[0063] This invention provides a construction method for a horizontal formwork structure in a building, characterized in that:

[0064] S1: Hoist the horizontal structural formwork of the building onto the floor slab below the horizontal structural formwork of the building to be constructed.

[0065] The assembled template units are numbered according to the order of installation on the drawings. The installation is based on beams, walls, and columns. To facilitate transportation within the splicing plane, the template units on both sides of the floor slab are installed first, and the template units in the middle are installed last.

[0066] S2: Place the lifting mechanism below the splicing mold 1 and lift the splicing mold 1 to the design elevation using the lifting mechanism.

[0067] During the initial installation of the splicing formwork, a tower crane is used to lift the formwork onto the floor slab, and then a hydraulic lift truck is used for in-plane transportation. Since the keel and splicing formwork have already been assembled off-site, after the splicing formwork is transported to the designated location, the support legs at the four corners of the formwork are installed first, and then the hydraulic lift truck is used to raise the formwork to the designated height.

[0068] S3: Adjust the height of at least four legs 3 so that the floor slab is supported by the legs 3.

[0069] Adjust the elevation of the splicing mold by adjusting the height of the outriggers. Use a level or straightedge to check the elevation of the splicing mold surface, ensuring the error is within a controllable range. The hydraulic lift can only be removed after the splicing mold is stable.

[0070] S4: Remove the lifting mechanism.

[0071] S5: Install multiple support columns 4 on the multiple keels 2 at the bottom of the splicing mold 1 so that the floor slab is supported by the multiple support columns 4.

[0072] After removing the hydraulic lift truck, the installation of the remaining support columns began. According to design calculations, the support columns and outriggers were installed alternately.

[0073] During installation, the support columns should be arranged according to the spacing to ensure a firm connection between the support columns and the splicing mold. Finally, adjust the connecting bolts of the diagonal braces to ensure they are securely supported.

[0074] After the support columns are installed, the connecting bolts between the flanges of the installation formwork units are tightened using an electric wrench. If gaps appear in the formwork connections due to improper clamping between bolts, they are reinforced using inclined compression clamps.

[0075] Due to structural factors such as the location of beams, walls, columns, and irregularities in floor slabs, gaps may exist between formwork units. Appropriate wooden molds can be cut according to the size of the gaps and used to fill them. The wooden molds can then be placed in the gaps between two formwork units.

[0076] S6: Cast the horizontal structure of the building on the splicing mold 1.

[0077] S7: After the horizontal structure of the building meets the conditions for demolding, it is dismantled and transported to the unloading platform with the help of jacking machinery.

[0078] Once the concrete reaches the strength required for demolding, the splicing formwork is removed.

[0079] The dismantling of the splicing formwork follows the principle of dismantling the later supports first and the earlier supports last; non-load-bearing parts are dismantled first, followed by load-bearing parts.

[0080] When dismantling the support columns, a hydraulic lift truck is used for dismantling and transportation. First, dismantle the support columns in the middle of the formwork. Drive the hydraulic lift truck to the bottom of the formwork, and then adjust the height of the support columns so that the formwork can slowly descend under its own weight and fall onto the lifting platform of the hydraulic lift truck. The lift truck is then used for horizontal transportation.

[0081] S8: The horizontal structural formwork of the building is lifted to the next floor of the horizontal structural formwork to be constructed using a lifting device for reuse.

[0082] The unloading platform and automatic lifting device use hydraulic jacks to achieve vertical climbing between floors via vertical climbing rails, making construction simple and quick. At the same time, the automatic lifting device, in conjunction with the unloading platform, replaces the tower crane, greatly reducing the time occupied by tower crane transportation and speeding up on-site construction.

[0083] The building horizontal structural formwork structure and its construction method of the present invention are large-module integral installation and turnover floor slab formwork assembled off-site based on formwork units and designed according to structural characteristics. This overcomes the shortcomings of existing formwork technology, which involves single-piece installation and large turnover work. At the same time, during the construction process, a material lifting system is used for vertical hoisting, and a hydraulic lifting vehicle is used for horizontal handling and installation and dismantling, reducing the dependence on tower cranes. It has the characteristics of fast construction, short construction period, low labor input, high quality, and green environmental protection.

[0084] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A construction method for a horizontal formwork structure of a building, characterized in that, The formwork structure for horizontal building structures includes: A rectangular splicing mold includes multiple template units spliced ​​together. The outer edge of each template unit has a flange plate. The flange plates of two adjacent template units are detachably connected by bolts. Supporting steel is connected between the flange plates on opposite sides of the template unit. An edge sealing plate is detachably installed on the outer edge of the splicing mold, and the edge sealing plate has a lifting hole. Multiple keels, the keels being supported by the supporting steel of multiple template units, the keels being bolted to the supporting steel; At least four legs arranged in a matrix and height adjustable, the legs are connected to the keel, the legs are detachably equipped with rollers, and the opposite sides of the legs are connected to the flange plates of the template unit by diagonal bracing rods. Multiple support columns are installed at the bottom of each of the keels; The top of the outrigger is formed with a support plate, which is supported by the keel. A locking rod is provided on the upper part of the keel, and the two ends of the locking rod extend downward to form locking rods. The locking rods are detachably connected to the support plate. The support leg includes: a vertically arranged outer tube, with an insertion tube connected to the bottom of the support plate, the insertion tube being detachably inserted into the upper end of the outer tube; an inner tube, the upper end of which is adjustablely installed into the lower end of the outer tube; and a base, with a threaded rod vertically arranged at the upper end of the base, the upper end of which is movably inserted into the lower end of the inner tube, the threaded rod being screwed with a threaded engagement member, the threaded engagement member being supported at the lower end of the inner tube. The roller is vertically mounted on the support leg via a bracket, the bracket including: a riser, the roller being rotatably mounted on the riser; multiple attachment plates connected to the riser, the multiple attachment plates being spaced apart along the length of the riser, and the other end of the attachment plate being detachably connected to the lower end of the inner tube; The construction method for horizontal formwork structures in buildings includes the following steps: The formwork for the horizontal structure of the building is hoisted onto the floor slab below the horizontal structure of the building to be constructed. The lifting machinery is placed below the splicing mold and is used to lift the splicing mold to the design elevation. When the splicing mold is installed for the first time, a tower crane is used to lift the splicing mold onto the floor slab, and then a hydraulic lifting vehicle is used for in-plane transportation. Since the keel and splicing mold have been assembled off-site, after the splicing mold is transported to the predetermined position, the support legs at the four corners of the splicing mold are installed first, and the splicing mold is lifted to the predetermined height by the hydraulic lifting vehicle. Adjust the height of at least four legs so that the floor slab is supported by the legs; Remove the lifting mechanism; Multiple support columns are installed on the multiple keels at the bottom of the splicing mold, so that the floor slab is supported by the multiple support columns; The horizontal structure of the building is cast on the splicing mold; After the horizontal structure of the building meets the conditions for demolding, it is dismantled and transported to the unloading platform with the help of jacking machinery; The building's horizontal structural template is lifted by a lifting device to the next floor of the building's horizontal structural section to be constructed for reuse.

2. The construction method for the formwork structure of a building's horizontal structure according to claim 1, characterized in that, The template unit is a steel template or an aluminum template.

3. The construction method for the formwork structure of a horizontal building structure according to claim 1, characterized in that, The edge banding plate is bolted to the flange plate of the template unit on the outer edge of the splicing mold.

4. The construction method for the formwork structure of a horizontal building structure according to claim 1, characterized in that, The diagonal brace includes a threaded sleeve and a plug-in screw. The plug-in screw is screwed into both ends of the threaded sleeve, and the plug-in screw at one end of the threaded sleeve is hinged to the fastener.

5. The construction method for the formwork structure of a building's horizontal structure according to claim 1, characterized in that, A lifting rod is movably inserted through the lifting hole. An end plate is formed at the upper end of the lifting rod. An ear plate is fixedly provided on the end plate. The ear plate has a cable hole for connecting the lifting sling of the lifting machinery. An anti-detachment component is adjustablely installed at the lower end of the lifting rod. The outer diameter of the anti-detachment component is larger than the inner diameter of the lifting hole.

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