Laminated slab wood pattern reduction supporting system

Abstract

The utility model relates to a laminated slab wood pattern reduction supporting system. The laminated slab wood pattern reduction supporting system comprises a concrete foundation, a supporting unit, a prefabricated slab body and a pouring slab body. The concrete foundation, the supporting unit, the prefabricated plate body and the pouring plate body are sequentially arranged from bottom to top, and the supporting unit is used for supporting the prefabricated plate body and the pouring plate body; the number of the prefabricated slab bodies is at least two, the prefabricated slab bodies are laid on the tops of the supporting units, the prefabricated slab bodies and the pouring slab body jointly form a floor slab body, the concrete foundation is of a bottom bearing structure, and the pouring slab body is made in a concrete pouring mode. The pouring plate body is poured on the upper layers of the prefabricated plate bodies and the supporting units, and the prefabricated plate bodies and the pouring plate body are solidified to form an integrated structure; the problems that the lower side of an existing floor is prone to bulging and needs to be repaired and polished are solved, and meanwhile the problems that a traditional floor is long in construction period and low in efficiency are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a composite board wood formwork reduction support system. Background Art

[0002] As an important part of the building structure, the floor slab is a concrete structure that divides different floors of a multi-story building. It is usually used to support the weight of the building and distribute the load.

[0003] At present, the common construction method of floor slabs is to use the formwork for full wet pouring. Workers need to first set up the pouring formwork, then tie the steel skeleton in the pouring formwork, and then pour concrete into the formwork. In order to ensure the stability of the steel skeleton position and avoid the displacement of the steel skeleton, the steel skeleton needs to be fixed before pouring. The construction of floor slabs in this way is large in engineering and cumbersome in construction. Moreover, after pouring concrete into the formwork, the formwork will be deformed due to the load-bearing, resulting in general leakage and even bulging of the concrete slab on both sides and the bottom. On the one hand, after the concrete hardens, there will be local bulges on the lower side of the floor slab at these positions, resulting in low flatness of the lower side of the floor slab. A lot of repair and grinding work is required to ensure the flatness of the bottom surface and the floor slabs on both sides, which brings great trouble to subsequent decoration and other accidents. On the other hand, the local position of the steel skeleton is in a bent state, which will seriously deteriorate the mechanical properties of the steel skeleton, and it is easy to have cracks and other problems, which seriously affects the construction quality of the floor slab. At the same time, the traditional floor slab has a long construction period and low efficiency, which affects the progress of the project construction.

[0004] Therefore, in view of this, the inventor proposes a composite board wood formwork reduction support system to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a composite board wood formwork reduction support system to solve the problem that the lower side of the existing floor slab is prone to bulging and needs to be repaired and polished; the second purpose is to solve the problem of long construction period and low efficiency of traditional floor slabs.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A composite board wood formwork reduction support system, comprising a concrete foundation, a support unit, a prefabricated board body and a cast board body;

[0008] The concrete foundation, the support unit, the precast panel body and the casting panel body are arranged in sequence from bottom to top, and the support unit is used to support the precast panel body and the casting panel body;

[0009] There are at least two prefabricated panels, each of which is laid flat on the top of the supporting unit at intervals. The prefabricated panels and the cast panel together form the floor body. The concrete foundation is the bottom bearing structure. The cast panel is made of cast-in-place concrete. The cast panel is cast on the upper layer of the prefabricated panel and the supporting unit. Each of the prefabricated panels and the cast panel is cured to form an integrated structure.

[0010] Furthermore, the support unit includes a first support component, a second support component and a plate strip, the bottom of the first support component is installed on the concrete foundation, the top of the first support component overlaps with the second support component, at least two of the plate strips are laid flat on the upper surface of the second support component at intervals, the prefabricated panel is arranged in the interval area between the two plate strips, and the two sides of the plate strip are respectively overlapped with the edges of the two adjacent prefabricated panel bodies.

[0011] According to the above technical solution, the bottom of the first support assembly is installed on the concrete foundation to ensure stability and load-bearing capacity. The top of the second support assembly is in contact with the bottom of the prefabricated panel body, playing a direct supporting role. When the prefabricated panel body is placed on the support unit, its weight is mainly transferred to the first support assembly through the second support assembly, and then dispersed to the concrete foundation by the first support assembly, thereby achieving the role of supporting the prefabricated panel body.

[0012] By overlapping the two sides of the plate strip with the edges of two adjacent prefabricated panels, the bearing capacity of the entire structure can be improved. When the prefabricated panels are installed on the plate strip, the plate strip can effectively disperse and transfer the load on the prefabricated panels, thereby reducing the pressure on the single primary keel and effectively preventing the possibility of cracking of the prefabricated panels due to uneven force.

[0013] Furthermore, the first supporting assembly includes a transverse connecting rod and a vertical connecting rod, the number of the transverse connecting rod and the number of the vertical connecting rod are both multiple, and the axis of each transverse connecting rod is perpendicular to the axis of each vertical connecting rod.

[0014] According to the above technical solution, the transverse connecting rods and the vertical connecting rods constitute the main frame of the first supporting assembly. The transverse connecting rods and the vertical connecting rods intersect vertically to form a grid structure that can provide strong bearing capacity and stability. When the prefabricated panel is installed above the first supporting assembly, the weight of the prefabricated panel is transferred to the concrete foundation through the transverse connecting rods and the vertical connecting rods. The grid structure formed can effectively disperse the gravity of the prefabricated panel and prevent local overload.

[0015] Furthermore, the second supporting assembly includes a main keel and a secondary keel, and there are multiple main keels and secondary keels. Each main keel is installed on the top of the vertical connecting rod corresponding to it. The axes of the main keel and the secondary keel are perpendicular to each other, and the secondary keel is erected above the main keel.

[0016] According to the above technical solution, multiple main purlins are respectively installed on the top of the corresponding vertical connecting rods to form the main load-bearing structure. Multiple secondary purlins are erected above the main purlins, perpendicular to the axis of the main purlins, to form a supporting plane. The vertically crossed layout of the main purlins and the secondary purlins enhances the stability and bearing capacity of the entire second supporting assembly. The prefabricated panel is erected on the secondary purlins, and its weight is transferred to the main purlin through the secondary purlins. The main purlins then disperse the weight to the vertical connecting rods below and finally transfer it to the concrete foundation.

[0017] Furthermore, it also includes a waterproof roll, which is laid on the upper surface of the plate strip, and the prefabricated board body is arranged in the interval area between two of the plate strips, and the two sides of the prefabricated board body respectively press the edges of the waterproof roll on the two adjacent plate strips.

[0018] According to the above technical solution, the waterproof membrane is laid on the upper surface of the slab mainly to prevent leakage of slurry from the gap between two adjacent prefabricated slabs. The waterproof membrane is made of polymer materials or special coatings, has good waterproof properties, and can effectively block the penetration of moisture and concrete slurry, thereby maintaining the dryness and integrity of the structure.

[0019] When installing the prefabricated body, it is necessary to ensure that the waterproof membrane is firmly fixed to the bottom of the prefabricated body, and the prefabricated board body is firmly pressed on the waterproof membrane to avoid displacement or damage during the pouring process to ensure the effectiveness of the waterproof and leakage-proof effects.

[0020] Furthermore, at least two main keels arranged parallel to each other are erected on top of the vertical connecting rod.

[0021] According to the above technical solution, the main purlin, as the main load-bearing structure, is erected on the top of the vertical connecting rod, which can effectively transfer the weight of the prefabricated panel and other loads generated during the construction process to the vertical connecting rod. Since at least two main purlins parallel to each other are set, this layout helps to evenly disperse gravity and avoid single-point overload, thereby enhancing the overall load-bearing capacity. The joint action of multiple main purlins can effectively resist the bending or twisting force that may be generated by the prefabricated panel and maintain the stability of the overall structure.

[0022] Furthermore, at least two ribs are provided on both sides of the prefabricated plate body, and the end of each rib is bent to form a bent portion.

[0023] According to the above technical solution, the bent portion of the rib can increase the connection strength of the end of the precast panel. After pouring, the precast panel can better form an integral structure with the poured concrete, improving the ability to resist deformation and damage. At the same time, the bent portion of the rib can effectively restrain the shrinkage of the concrete and the stress concentration caused by temperature changes, thereby reducing the possibility of cracking of the concrete during the use of the floor slab.

[0024] Furthermore, when the prefabricated board is laid on the waterproof membrane, a casting groove is formed between two adjacent prefabricated board bodies, and the ribs on the two adjacent prefabricated board bodies extend into the casting groove respectively.

[0025] According to the above technical solution, by extending the ribs on adjacent prefabricated panels into the casting trough and pouring concrete in the trough, a firm connection can be formed between the prefabricated panels, which can greatly improve the integrity of the structure; at the same time, due to the presence of the casting trough, the concrete can be fully filled and solidified in the trough to form a continuous, waterproof barrier, which can not only prevent the leakage of concrete slurry, but also improve the overall waterproof performance, especially on the basis of using waterproof membranes, further enhancing the waterproof effect. The ribs extend into the casting trough and are fixed therein, which can increase the seismic performance of the structure, improve the bearing capacity between the prefabricated panels, enable them to jointly bear a greater load, help reduce cracks caused by temperature changes or loads, help disperse stress, and further reduce the risk of cracks.

[0026] Furthermore, at least two convex ribs are provided on the top of the prefabricated board body, and each of the convex ribs protrudes upward along the height direction of the prefabricated board body.

[0027] According to the above technical solution, the design of the convex rib increases the structural rigidity of the top of the prefabricated panel, so that the prefabricated panel can better maintain its shape and stability when subjected to load, reducing the possibility of deformation, which is equivalent to increasing the cross-sectional area of ​​the prefabricated panel to a certain extent and improving its bearing capacity, which means that the prefabricated panel can withstand greater weight and pressure, thereby improving the safety of the structure; at the same time, the raised shape of the convex rib helps to optimize the stress distribution at the top of the prefabricated panel, reduce stress concentration, thereby extending the service life of the prefabricated panel and preventing cracks from occurring.

[0028] Furthermore, the main keel is a steel pipe, and the secondary keel is a wooden strip.

[0029] According to the above technical solution, the main keel is a steel pipe with a higher load-bearing capacity, which can meet the construction needs of a wider range. In addition, the steel pipe is not easy to be damaged during the construction process and is simple to process. The installation and disassembly of the steel pipe are relatively convenient, which helps to improve construction efficiency. Wooden strips are used as secondary keels for easy transportation and installation. Wooden strips are easy to process and can be cut, drilled, tied, etc. as needed. The cost of wooden strips is usually lower, which helps to reduce the overall construction cost.

[0030] Beneficial effects of the utility model:

[0031] The utility model forms the floor body by prefabricated panels and cast panels. The prefabricated panels are in the form of multiple prefabricated panels laid flat on the top of the support unit. The prefabricated panels are prefabricated and can be manufactured in the factory, which ensures the quality and standardization of the components, reduces the materials required for on-site construction, and reduces the reinforcement of the floor, saving construction costs and reducing costs. The prefabricated panels serve as the bottom mold for the cast panel. It is not necessary to use the full wet pouring method as in the prior art. It is only necessary to set up supports for the prefabricated panels. Since the prefabricated panels are prefabricated, the trouble of bulging at the bottom of the floor caused by full wet pouring is avoided. No repair and polishing is required, which greatly saves the construction period and avoids affecting the progress of the project construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is an overall schematic diagram of the reduced-volume support system of the wood formwork of the composite board of the utility model;

[0033] Figure 2 For the utility model Figure 1 Schematic diagram of part A;

[0034] Figure 3 For the utility model Figure 1 Schematic diagram of part B;

[0035] Figure 4 It is a plan view of setting up the main keel and the secondary keel in the reduced support system of the wood formwork of the composite board of the utility model;

[0036] Figure 5 It is a schematic plan view of the prefabricated board after the prefabricated board is installed in the reduced-volume support system of the wooden formwork of the composite board of the utility model;

[0037] Figure 6 For the utility model Figure 4 Schematic diagram of part C;

[0038] Figure 7 For the utility model Figure 4 Schematic diagram of the floor plan after the waterproof membrane is installed;

[0039] Figure 8It is a partial structural schematic diagram of the floor structure and the supporting body that can be quickly erected according to the utility model.

[0040] Among them, there are concrete foundation 1, support unit 2, first support assembly 21, transverse connecting rod 211, vertical connecting rod 212, second support assembly 22, main keel 221, secondary keel 222, plate strip 23, prefabricated panel body 3, ribs 311, convex ribs 312, casting panel body 4, waterproof membrane 5, casting trough 6. DETAILED DESCRIPTION

[0041] The following will describe the implementation of the present invention with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are only for illustrating the present invention, not for limiting the scope of protection of the present invention.

[0042] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0043] This embodiment proposes a composite board wood formwork reduction support system, such as Figures 1 to 8 As shown, it includes a concrete foundation 1, a support unit 2, a prefabricated plate body 3 and a cast plate body 4; Figure 1 As shown, the concrete foundation 1 , the support unit 2 , the precast panel body 3 and the cast panel body 4 are arranged in sequence from bottom to top, and the support unit 2 is used to support the precast panel body 3 and the cast panel body 4 .

[0044] like Figure 1 and Figure 5 As shown, the number of precast panels 3 is at least two, and each precast panel 3 is laid flat on the top of the support unit 2 at intervals. The precast panel 3 and the cast panel 4 together form a floor slab body (not shown). The concrete foundation 1 is a bottom bearing structure, generally the floor of this floor. The cast panel 4 is made of cast-in-place concrete. The cast panel 4 is cast on the upper layer of each precast panel 3 and the support unit 2, and each precast panel 3 and the cast panel 4 are cured to form an integrated structure.

[0045] The prefabricated panel 3 is manufactured in a prefabricated manner and can be manufactured in a factory, thereby ensuring the quality and standardization of the prefabricated panel 3, reducing the materials required for on-site construction, and reducing the reinforcement of the floor slab body, saving construction expenses, and reducing costs.

[0046] As a preferred embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the support unit 2 includes a first support assembly 21, a second support assembly 22 and a plate belt 23. The bottom of the first support assembly 21 is installed on the concrete foundation 1, the top of the first support assembly 21 overlaps with the second support assembly 22, at least two plate belts 23 are laid flat on the upper surface of the second support assembly 22 at intervals, and the precast panel 3 is arranged in the interval area between the two plate belts 23, and the two sides of the plate belt 23 overlap with the edges of the two adjacent precast panels 3. According to the above technical solution, the bottom of the first support assembly 21 is installed on the concrete foundation 1 to ensure stability and load-bearing capacity, the top of the second support assembly 22 contacts with the bottom of the precast panel 3, and plays a direct supporting role. When the precast panel 3 is placed on the support unit 2, its weight is mainly transferred to the first support assembly 21 through the second support assembly 22, and then dispersed to the concrete foundation 1 by the first support assembly 21, so as to achieve the role of supporting the precast panel 3.

[0047] By overlapping the two sides of the plate strip 23 with the edges of two adjacent prefabricated panels 3, the bearing capacity of the entire structure can be improved. When the prefabricated panel 3 is installed on the plate strip 23, the plate strip 23 can effectively disperse and transfer the load on the prefabricated panel 3, thereby reducing the pressure on the single primary keel 222. At the same time, it can also effectively prevent the prefabricated panel 3 from cracking due to uneven force.

[0048] As a preferred embodiment, the first support assembly 21 includes a transverse link 211 and a vertical link 212. The number of the transverse link 211 and the number of the vertical link 212 are both multiple. The axis of each transverse link 211 and the axis of each vertical link 212 are perpendicular to each other. The axis of each transverse link 211 and the vertical link 212 are connected by a disc-shaped diagonal rod. The disc-shaped diagonal rod plays a role in stabilizing the structure in the scaffolding or formwork frame. When the transverse link 211 and the vertical link 212 are connected by the disc-shaped diagonal rod, they together form a stable support structure, which increases the stability of the entire structure and enables it to withstand greater loads and resist external disturbances.

[0049] According to the above technical solution, the transverse connecting rod 211 and the vertical connecting rod 212 constitute the main frame of the first support assembly 21, and the transverse connecting rod 211 and the vertical connecting rod 212 intersect vertically to form a grid structure that can provide strong bearing capacity and stability; when the prefabricated panel body 3 is installed above the first support assembly 21, the weight of the prefabricated panel body 3 is transferred to the concrete foundation 1 through the transverse connecting rod 211 and the vertical connecting rod 212, and the grid structure formed can effectively disperse the gravity of the prefabricated panel body 3 to prevent local overload.

[0050] As a preferred embodiment, Figures 2 to 6 As shown, the second support assembly 22 includes a main keel 221 and a secondary keel 222. There are multiple main keels 221 and secondary keels 222. Each main keel 221 is installed on the top of the corresponding vertical connecting rod 212. The axes of the main keel 221 and the secondary keel 222 are perpendicular to each other, and the secondary keel 222 is erected above the main keel 221. A plurality of main keels 221 are installed on the top of the corresponding vertical connecting rods 212 to form the main load-bearing structure. A plurality of secondary keels 222 are erected above the main keel 221 and are perpendicular to the axis of the main keel 221 to form a supporting plane. The vertically crossed layout of the main keel 221 and the secondary keel 222 enhances the stability and bearing capacity of the entire second supporting assembly 22. The prefabricated panel 3 is erected on the plate belt 23 above the secondary keel 222, and its weight is transferred to the main keel 221 through the plate belt 23 and the secondary keel 222. The main keel 221 then distributes the weight to the vertical connecting rod 212 below, and finally transfers it to the concrete foundation 1.

[0051] In a possible embodiment, according to the size and weight of the prefabricated panel 3, the number, spacing and size of the main keels 221 and the secondary keels 222 can be adjusted to meet different support requirements, so that the second support assembly 22 can adapt to prefabricated panels 3 of various specifications and weights.

[0052] In a possible embodiment, an early-removal top support is installed on the top of the vertical connecting rod 212, and the top of the early-removal top support can be directly supported on the bottom of the prefabricated board 3 (also called the composite board) to support the structure; the top of the early-removal top support is designed to directly contact the bottom of the prefabricated board 3, thereby providing a stable supporting force. This direct support method ensures the stability and safety of the prefabricated board 3; at the same time, by using the early-removal top support as a supporting structure, the spacing between the square timbers can be effectively expanded, which means that while maintaining the stability of the structure, the use of the secondary keel 222 (square timber or wooden strips) is reduced, thereby optimizing the material cost. Traditional support systems may require dense square timbers to ensure the stability of the structure. However, by using the early-removal top support, the use of the secondary keel 222 (square timber or wooden strips) can be significantly reduced, which not only reduces the material cost, but also reduces the overall weight of the structure, which is in line with the concept of environmental protection and sustainable development.

[0053] Furthermore, if Figure 4 , Figure 5 and Figure 6 As shown, at least two mutually parallel main keels 221 are set on the top of the vertical connecting rod 212. As the main load-bearing structure, the main keel 221 is set on the top of the vertical connecting rod 212, which can effectively transfer the weight of the prefabricated panel 3 and other loads generated during the construction process to the vertical connecting rod 212. Since at least two mutually parallel main keels 221 are set, this layout helps to evenly disperse gravity and avoid single-point overload, thereby enhancing the overall load-bearing capacity. The joint action of multiple main keels 221 can effectively resist the bending or twisting force that may be generated by the prefabricated panel 3 and maintain the stability of the overall structure.

[0054] As a preferred embodiment, Figure 2 , Figure 3 and Figure 7 As shown, it also includes waterproofing coiled material 5. The laying of waterproofing coiled material 5 can form a continuous waterproof layer. The waterproofing coiled material 5 is generally tightly bonded to the base layer by self-adhesion or hot-melt to ensure the waterproof effect. After the concrete is poured, it is tightly combined with the waterproofing coiled material 5 below to form an integral waterproof and load-bearing structure. Compared with the traditional method of welding steel bar brackets to process composite plates and templates, the form of directly laying waterproofing coiled material 5 saves a lot of steel bars and composite plate materials, which not only reduces material costs, but also reduces resource consumption and waste; and the laying of waterproofing coiled material 5 is relatively simple and quick, and does not require complicated welding and processing processes, which can shorten the construction period and improve construction efficiency. Laying waterproofing coiled material 5 on the cast-in-place slab strip 3 can reduce the amount of maintenance caused by slurry retention and misalignment.

[0055] The prefabricated panel 3 is arranged in the interval between two panel strips 23, and the two sides of the prefabricated panel 3 respectively press the edges of the waterproofing membrane 5 on the two adjacent panel strips 23. The waterproofing membrane 5 is used to prevent leakage from the gap between the two adjacent prefabricated panel bodies 3. The waterproofing membrane 5 is used to prevent leakage from the gap between the two adjacent prefabricated panel bodies 3. The waterproofing membrane 5 is made of polymer materials or special coatings, has good waterproof properties, and can effectively block the penetration of moisture and concrete slurry, thereby maintaining the dryness and integrity of the structure. When laying the waterproofing membrane 5 on the top of the secondary keel 222, it is necessary to ensure that the waterproofing membrane 5 covers all possible leakage points, especially the gaps between the prefabricated panel bodies 3; the laying of the waterproofing membrane 5 needs to be flat and wrinkle-free, and the edge parts must fit tightly to prevent moisture or concrete slurry from penetrating through these gaps. When installing the prefabricated body, it is necessary to ensure that the waterproof membrane 5 is firmly fixed to the bottom of the prefabricated body, and the prefabricated board body is firmly pressed on the waterproof membrane 5 to avoid displacement or damage during the pouring process to ensure the effectiveness of the waterproof and leakage-proof effects.

[0056] As a preferred embodiment, Figure 8 As shown, at least two ribs 311 are provided at both ends of the precast panel 3, and the ends of each rib 311 are bent to form a bent portion. The bent portion of the rib 311 can increase the connection strength of the ends of the precast panel 3. After pouring, the precast panel 3 can better form an integral structure with the poured concrete, thereby improving the ability to resist deformation and damage. At the same time, the bent portion of the rib 311 can effectively restrain the shrinkage of the concrete and the stress concentration caused by temperature changes, thereby reducing the possibility of cracking of the concrete during the use of the floor slab.

[0057] As a preferred embodiment, Figure 3 , Figure 4 and Figure 5 As shown, when the prefabricated panel 3 is laid on the waterproofing membrane 5, a casting groove 6 is formed between two adjacent prefabricated panel bodies 3, and the ribs 311 on the two adjacent prefabricated panel bodies 3 extend into the casting groove 6 respectively. By extending the ribs 311 on the adjacent prefabricated panel bodies 3 into the casting groove 6 and pouring concrete in the groove, a firm connection can be formed between the prefabricated panel bodies 3, which can greatly improve the integrity of the structure; at the same time, due to the presence of the casting groove 6, the concrete can be fully filled and solidified in the groove to form a continuous, waterproof barrier, which can not only prevent the leakage of concrete slurry, but also improve the overall waterproof performance, especially on the basis of using the waterproofing membrane 5, further enhancing the waterproof effect. The ribs 311 extend into the casting groove 6 and are fixed therein, which can increase the seismic performance of the structure, improve the bearing capacity between the prefabricated panel bodies 3, enable them to jointly bear a larger load, help reduce cracks caused by temperature changes or loads, help disperse stress, and further reduce the risk of cracks.

[0058] As a preferred embodiment, Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 8 As shown, at least two convex ribs 312 are provided on the top of the prefabricated panel 3, and each convex rib 312 bulges upward along the height direction of the prefabricated panel 3. The design of the convex rib 312 increases the structural rigidity of the top of the prefabricated panel 3, so that the prefabricated panel 3 can better maintain its shape and stability when subjected to load, reducing the possibility of deformation, which is equivalent to increasing the cross-sectional area of ​​the prefabricated panel 3 to a certain extent, improving its bearing capacity, which means that the prefabricated panel 3 can withstand greater weight and pressure, and improves the safety of the structure; at the same time, the bulging shape of the convex rib 312 helps to optimize the stress distribution on the top of the prefabricated panel 3, reduce stress concentration, thereby extending the service life of the prefabricated panel 3, and preventing cracks from easily forming.

[0059] As a preferred embodiment, the main keel 221 is a steel pipe and the secondary keel 222 is a wooden strip. The main keel 221 is a steel pipe with a higher load-bearing capacity, which can meet the construction needs of a wider range, and the steel pipe is not easily damaged during the construction process, and the processing is simple. The installation and removal of the steel pipe are relatively convenient, which helps to improve the construction efficiency; the wooden strip as the secondary keel 222 is easy to carry and install, and the wooden strip is easy to process. It can be cut, drilled, tied, etc. as needed, and the cost of the wooden strip is usually lower, which helps to reduce the overall construction cost.

[0060] The utility model forms the floor body by prefabricated panels 3 and cast panels 4. A plurality of prefabricated panels 3 are laid flat on the top of the support unit 2. The prefabricated panels 3 are made in a prefabricated manner and can be manufactured in a factory, thereby ensuring the quality and standardization of the prefabricated panels 3, reducing the materials required for on-site construction, and reducing the reinforcement of the floor, saving construction costs, and reducing costs. The prefabricated panels 3 serve as the bottom mold for the cast panel 4. It is not necessary to use the full wet pouring method as in the prior art. It is only necessary to set up supports for the prefabricated panels 3, thereby avoiding the trouble of bulging at the bottom of the floor caused by full wet pouring. It is not necessary to perform repair and polishing, thereby greatly saving the construction period and avoiding affecting the progress of the project construction. The structure is compact and practical.

[0061] The above embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Any equivalent substitution or modification made by a person skilled in the art based on the present invention is within the protection scope of the present invention.

Claims

1. A composite board wood formwork reduction support system, It is characterized in that include: Concrete foundation (1), support unit (2), prefabricated slab (3) and cast slab (4); The concrete foundation (1), the support unit (2), the prefabricated slab (3) and the cast slab (4) are arranged in sequence from bottom to top, and the support unit (2) is used to support the prefabricated slab (3) and the cast slab (4); There are at least two precast panels (3), each of which is laid flat on top of the support unit (2) at intervals, and the precast panels (3) and the cast panel (4) together form a floor slab body, the concrete foundation (1) is a bottom bearing structure, the cast panel (4) is made of cast-in-place concrete, and the cast panel (4) is cast on the upper layer of the precast panel (3) and the support unit (2), and each of the precast panels (3) and the cast panel (4) is cured to form an integrated structure.

2. The composite board wood formwork reduction support system according to claim 1, Features: The support unit (2) comprises a first support component (21), a second support component (22) and a plate strip (23); the bottom of the first support component (21) is mounted on the concrete foundation (1); the top of the first support component (21) overlaps with the second support component (22); at least two of the plate strips (23) are laid flat on the upper surface of the second support component (22) at intervals; the prefabricated panel (3) is arranged in the interval between the two plate strips (23); and the two sides of the plate strip (23) overlap with the edges of two adjacent prefabricated panel bodies (3) respectively.

3. The composite board wood formwork reduction support system according to claim 2, Features: The first support assembly (21) comprises a transverse connecting rod (211) and a vertical connecting rod (212), the transverse connecting rod (211) and the vertical connecting rod (212) being provided in plural numbers, and the axis of each transverse connecting rod (211) and the axis of each vertical connecting rod (212) being perpendicular to each other.

4. The composite board wood formwork reduction support system according to claim 3, Features: The second supporting assembly (22) comprises a main keel (221) and a secondary keel (222), wherein the main keel (221) and the secondary keel (222) are multiple in number, each of the main keels (221) is mounted on the top of a corresponding one of the vertical connecting rods (212), the axes of the main keels (221) and the secondary keels (222) are perpendicular to each other, and the secondary keels (222) are arranged above the main keels (221).

5. The composite board wood formwork reduction support system according to claim 4, Features: It also includes a waterproofing coiled material (5), the waterproofing coiled material (5) being laid on the upper surface of the plate strip (23), the prefabricated plate body (3) being arranged in the interval between two of the plate strips (23), and the two sides of the prefabricated plate body (3) respectively pressing the edges of the waterproofing coiled material (5) on the two adjacent plate strips (23).

6. The composite board wood formwork reduction support system according to claim 4, Features: At least two main keels (221) arranged parallel to each other are mounted on top of the vertical connecting rod (212).

7. The composite board wood formwork reduction support system according to claim 5, Features: At least two ribs (311) are provided on both sides of the prefabricated plate body (3), and the end of each rib (311) is bent to form a bent portion.

8. The composite board wood formwork reduction support system according to claim 7, Features: When the prefabricated panel bodies (3) are laid on the waterproof coiled material (5), a casting groove (6) is formed between two adjacent prefabricated panel bodies (3), and the ribs (311) on the two adjacent prefabricated panel bodies (3) respectively extend into the casting groove (6).

9. The composite board wood formwork reduction support system according to claim 8, Features: At least two convex ribs (312) are provided on the top of the prefabricated plate body (3), and each of the convex ribs (312) bulges upwards along the height direction of the prefabricated plate body (3).

10. The composite board wood formwork reduction support system according to any one of claims 4 to 9, Features: The main keel (221) is a steel pipe, and the secondary keel (222) is a wooden strip.

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