Flooring concrete structure without cutting joint for floor support plate
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO RUNXINTENG BUILDING MATERIALS TECH CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-06-23
AI Technical Summary
Existing concrete floor decking structures suffer from overall damage due to joint cutting, resulting in dispersed load-bearing capacity, easy cracking and spalling, aging and failure of sealing materials, and impact on structural safety and service life.
The corrugated floor deck base and connecting structure are combined with a reinforced frame and anti-corrosion coating, eliminating the need for slits. Concrete pins are used to enhance the interlocking and fixing, and a wear-resistant layer is added to form an integral reinforced structure that prevents moisture penetration.
Maintain the integrity of the floor, improve crack resistance and load-bearing capacity, prevent corrosion, extend service life, reduce maintenance costs, and adapt to complex loads and temperature changes.
Smart Images

Figure CN224395865U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of floor concrete technology, and in particular to a special floor concrete structure for floor decking without cutting seams. Background Technology
[0002] Seamless concrete flooring is mainly used in industrial plants, warehousing and logistics centers, large commercial complexes and high-rise buildings. These applications have high requirements for the integrity, crack resistance, load-bearing capacity and service life of the flooring, and it needs to meet the structural stability requirements under frequent loads, temperature changes and long-term use.
[0003] Currently, conventional concrete floor decking structures typically consist of a floor decking base, a steel mesh, and an ordinary concrete layer. To alleviate shrinkage stress during the concrete hardening process and stress caused by temperature changes, it is often necessary to set transverse and longitudinal expansion joints (cut joints) on the surface of the concrete layer. By cutting joints, large areas of concrete are divided into smaller pieces to reduce crack formation. Some structures also fill the cut joints with sealant to provide both waterproofing and cushioning.
[0004] However, existing concrete floor slab structures with cut joints have many shortcomings: First, the cut joints disrupt the integrity of the floor, leading to a dispersion of the structural load-bearing capacity. Under long-term loads, stress concentration can easily occur at the edges of the cut joints, causing problems such as concrete spalling and cracking, which affects the service life of the floor. Second, the sealing material at the cut joints is prone to aging and wear, allowing moisture to seep into the base layer, corroding the floor slab and steel mesh, and reducing structural safety. To address these shortcomings, we propose a special concrete floor slab structure without cut joints for floor slabs. Utility Model Content
[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a special concrete floor structure for seamless floor decking.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A special concrete floor structure for seamless floor decking includes a floor decking base layer, wherein the floor decking base layer is a corrugated plate structure, both ends of the floor decking base layer are fixed with connecting plates, and both sides of the floor decking base layer are fixed with connecting seats. Adjacent floor decking base layers are connected by inserting the connecting plates and connecting seats, and the connecting plates and connecting seats between adjacent floor decking base layers are fixed by studs. Reinforcing frames are installed at the top and bottom of the floor decking base layer, the reinforcing frames are filled with concrete layers, and wear-resistant layers are installed on the concrete layers.
[0008] Preferably, the upper and lower surfaces of the floor decking base layer are coated with an epoxy resin coating, which is used to block moisture from contacting the floor decking base layer.
[0009] Preferably, the floor deck base layer is provided with through holes at both the crests and troughs, and the number of through holes is several groups.
[0010] Preferably, the concrete layers on both sides pass through the through hole to form a concrete key.
[0011] Preferably, the concrete pin is used to reinforce the interlocking and fixing of the floor deck base and the concrete layer.
[0012] Preferably, the reinforcing frame is a mesh-like steel structure, and the reinforcing frame is coated with an epoxy resin layer to isolate moisture from contact with the reinforcing frame.
[0013] Preferably, the concrete layer incorporates steel fibers and completely encapsulates the reinforcing skeleton.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This utility model effectively maintains the integrity of the floor by eliminating the cut joint design, avoiding the damage to the structural continuity caused by the cut joint. The concrete layer and the floor deck base layer are tightly interlocked through a special structure. With the help of the internal reinforcing skeleton and added components, the structure's ability to resist shrinkage stress and temperature stress is significantly improved. This reduces problems such as edge peeling and cracking caused by stress concentration, so that the floor can still maintain stable load-bearing capacity under long-term load and extend its service life.
[0016] Meanwhile, the anti-corrosion coating and sealed design used in the structure effectively prevent moisture infiltration, avoiding performance degradation of the floor deck and internal reinforcement components due to corrosion. This solves the problem of easy aging and failure of traditional sealing materials at joints. This not only improves the safety and stability of the structure but also reduces the need for later maintenance, lowers long-term operating costs, and is more adaptable to the needs of complex scenarios such as high-frequency loads and temperature changes. Attached Figure Description
[0017] Figure 1 This is a structural schematic diagram of a special concrete floor structure for seamless floor decking proposed in this utility model.
[0018] Figure 2 for Figure 1 Side sectional view;
[0019] Figure 3 for Figure 1 Structural diagram of the subbase of the floor decking;
[0020] Figure 4 for Figure 1A schematic diagram of the reinforced skeleton.
[0021] In the diagram: 1. Floor deck base; 2. Through hole; 3. Connecting plate; 4. Reinforcing frame; 5. Concrete layer; 6. Connecting seat; 7. Wear-resistant layer; 8. Concrete key. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Reference Figure 1-4 A special concrete floor structure for seamless floor decking includes a floor decking base 1. The floor decking base 1 adopts a corrugated plate structure, with connecting plates 3 at both ends cooperating with connecting seats 6 on both sides, so that adjacent floor decking bases 1 are connected by insertion and fixed by studs to form an integral base. This connection method enhances the continuity of the structure, avoids the damage to the integrity of the floor caused by traditional cutting, and provides basic support for the overall load-bearing capacity. The upper and lower surfaces of the floor decking base 1 are coated with epoxy resin, which can effectively block the contact between water and the base, solve the corrosion problem caused by water seepage at traditional cutting joints, and improve the structural safety.
[0024] The floor deck base layer 1 has multiple sets of through holes 2 at the crests and troughs, which are combined with the reinforcing skeleton 4 installed at the top and bottom. This skeleton is a grid-like steel structure with an epoxy resin coating on the surface. The grid structure enhances the overall strength, and the coating isolates moisture, further strengthening the anti-corrosion effect. The concrete layer 5 filled in the reinforcing skeleton 4 contains steel fibers and completely wraps the reinforcing skeleton 4, which significantly improves the crack resistance and load-bearing capacity. It can cope with the stress generated by frequent loads and temperature changes, and reduce the cracking and peeling problems caused by stress concentration in traditional structures.
[0025] Meanwhile, the concrete pin 8 formed by the concrete layer 5 passing through the through hole 2 enhances the interlocking and fixing between the floor deck base 1 and the concrete layer 5, enabling the two to work together to bear the force and further improve the overall structure; the wear-resistant layer 7 installed on the concrete layer 5 improves the wear resistance of the floor surface and extends its service life.
[0026] The floor deck base 1 is connected to the adjacent floor deck base 1 by connecting plates 3 at both ends and connecting seats 6 on both sides, and then fixed with studs to form an integral base structure. The epoxy resin coating on its surface blocks moisture contact to prevent corrosion. The reinforcing skeleton 4 is installed on the top and bottom of the floor deck base 1. The grid-like steel structure and the surface epoxy resin layer enhance the overall structural strength and isolate moisture. The concrete layer 5 is filled in the reinforcing skeleton 4. Because it contains steel fibers and completely wraps the reinforcing skeleton 4, it improves crack resistance and load-bearing capacity. At the same time, through holes 2 at the crests and troughs of the floor deck base 1 form concrete pins 8, which enhance the interlocking and fixing of the floor deck base 1 and the concrete layer 5. The wear-resistant layer 7 on the concrete layer 5 improves the surface wear resistance. All components work together to resist shrinkage and temperature stress without cutting joints, ensuring the integrity and stability of the floor, while preventing moisture from seeping into and corroding structural components.
[0027] In summary, this utility model, by eliminating the slit design and combining the tight interlocking between the floor deck base and the concrete layer with the reinforcement of the skeleton, effectively maintains the integrity of the floor, improves the load-bearing capacity and crack resistance, and solves the problems of stress concentration, peeling and cracking caused by traditional slits. At the same time, the anti-corrosion coating and the sealed structure prevent moisture penetration, avoid corrosion of the floor deck and internal components, reduce the hidden dangers caused by the aging of sealing materials, reduce the later maintenance costs, and significantly extend the service life, so as to better meet the use needs of complex scenarios such as high-frequency loads and temperature changes.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A special concrete floor structure for seamless floor decking, comprising a floor decking base layer (1), characterized in that, The floor deck base (1) is a corrugated plate structure. Both ends of the floor deck base (1) are fixed with connecting plates (3). Both sides of the floor deck base (1) are fixed with connecting seats (6). Adjacent floor deck bases (1) are connected by connecting plates (3) and connecting seats (6). The connecting plates (3) and connecting seats (6) between adjacent floor deck bases (1) are fixed by studs. The top and bottom of the floor deck base (1) are equipped with reinforcing frames (4). The reinforcing frames (4) are filled with concrete layers (5). The concrete layers (5) are equipped with wear-resistant layers (7).
2. The special concrete structure for seamless floor decking as described in claim 1, characterized in that, The upper and lower surfaces of the floor decking base (1) are coated with an epoxy resin coating, which is used to block moisture from contacting the floor decking base (1).
3. The special concrete structure for seamless floor decking as described in claim 1, characterized in that, The floor deck base layer (1) is provided with through holes (2) at both the crests and troughs, and the number of through holes (2) is several groups.
4. The special concrete structure for seamless floor decking as described in claim 3, characterized in that, The concrete layers (5) on both sides pass through the through hole (2) to form a concrete key (8).
5. A special concrete floor structure for seamless floor decking according to claim 4, characterized in that, The concrete pins (8) are used to reinforce the interlocking and fixing of the floor deck base (1) and the concrete layer (5).
6. A special concrete floor structure for seamless floor decking according to claim 1, characterized in that, The reinforcing frame (4) is a grid-like steel structure, and the reinforcing frame (4) is coated with an epoxy resin layer to isolate moisture from contact with the reinforcing frame (4).