Reinforced composite floor slab and reinforcing device

Abstract

The utility model relates to the technical field of composite floor slabs, in particular to a reinforced composite floor slab and a reinforcing device. The reinforced composite floor slab comprises at least two layers of floor slabs which are sequentially arranged in an overlapped mode, grouting holes are formed in the reinforced composite floor slab, and the grouting holes penetrate through the floor slabs in the thickness direction of the reinforced composite floor slab. Upper fixing holes are further formed in the periphery of the top end of the grouting hole of the floor located at the top, lower fixing holes are formed in the periphery of the bottom end of the grouting hole of the floor located at the bottom, and the grouting hole is communicated with the upper fixing holes and the lower fixing holes to form a grouting space. The upper fixing hole and the lower fixing hole are respectively formed in the top end and the bottom end of the grouting hole, and the axial section of the grouting space is I-shaped, so that a reinforcing device and a gap between the reinforcing device and the side wall of the grouting space can be filled with slurry during grouting, and the connection strength between floor slabs in the laminated floor slab is enhanced; and through the combined action of the slurry and the reinforcing device, the reinforcing effect of the whole composite floor slab is improved.

Description

Technical Field

[0001] This utility model relates to the field of composite floor slab technology, and more specifically, to a reinforced composite floor slab and a reinforcement device. Background Technology

[0002] In the field of building engineering technology, composite floor slabs are a common building structure, consisting of two layers of slabs bonded together with adhesive materials. They offer advantages such as high strength, light weight, and ease of construction. However, due to improper construction quality control or environmental factors, composite floor slabs may experience hollowing during use, meaning poor bonding or localized separation between the two layers. This can lead to a decrease in structural load-bearing capacity and limitations on functionality.

[0003] Patent CN222716320U discloses a reinforced composite floor slab and a reinforcement device. It involves filling the slab with grout through injection holes, with multiple overflow holes ensuring uniform grout distribution. The conduit body remains within the injection holes and integrates with the reinforced composite floor slab, thus restoring and supporting hollow areas. However, in this reinforced composite floor slab and reinforcement device, the conduit body only penetrates a portion of the composite floor slab, resulting in poor support for the lowest layer and weak overall reinforcement of the composite floor slab. Utility Model Content

[0004] To overcome the shortcomings mentioned above, this utility model aims to provide a reinforced composite floor slab and a reinforcement device.

[0005] This utility model provides a reinforced composite floor slab, comprising at least two layers of floor slabs stacked sequentially, wherein the reinforced composite floor slab has grouting holes that penetrate each floor slab in the thickness direction of the reinforced composite floor slab;

[0006] The floor slab at the top is provided with upper fixing holes around the top of the grouting hole, and the floor slab at the bottom is provided with lower fixing holes around the bottom of the grouting hole. The grouting hole communicates with the upper fixing holes and the lower fixing holes to form a grouting space. The reinforcing device extends from bottom to top through the grouting hole and is connected to the sealing plug at the top. Grout is injected into the reinforcing device, and the grout fills the gap between the reinforcing device and the side wall of the grouting space.

[0007] Furthermore, the axial section of the grouting space is I-shaped.

[0008] Furthermore, the reinforced composite floor slab is provided with a plurality of grouting holes at intervals.

[0009] This utility model also provides a reinforcement device for the aforementioned reinforced composite floor slab, including a conduit, a hollow limiting base plate fixedly connected to the bottom end of the conduit, the conduit being connected to the limiting base plate; a sealing plug detachably connected to the top end of the conduit; and the diameter of the limiting base plate being larger than the diameter of the conduit.

[0010] Furthermore, a first through hole is provided on the side wall of the conduit, and a second through hole is provided on the upper surface of the limiting base for the overflow of slurry.

[0011] Furthermore, the upper surface of the limiting chassis is also provided with an overflow baffle, and the overflow baffle has an overflow hole.

[0012] Furthermore, the upper surface of the limiting chassis is fixed with three overflow baffles whose height increases sequentially from the inside to the outside, namely the first overflow baffle, the second overflow baffle, and the third overflow baffle; the first overflow baffle, the second overflow baffle, and the third overflow baffle are all circular ring-shaped plates, and are respectively provided with a first overflow hole, a second overflow hole, and a third overflow hole.

[0013] Furthermore, the sum of the height of the third overflow baffle and the height of the limiting chassis is equal to the height of the lower fixing hole.

[0014] Furthermore, the outer wall of the limiting chassis is also provided with a fiber mesh fabric layer, and an adhesive layer is brushed on the outside of the fiber mesh fabric layer to further enhance the bonding effect.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention effectively solves the problems of insufficient support for the lowest layer of composite slab and weak overall reinforcement in the prior art by improving the design of the reinforcement device and the structure of the grouting space, and significantly improves the structural stability and load-bearing capacity of the composite floor slab.

[0017] By designing a limiting chassis, the bottom of the reinforcement device is flush with the bottom of the reinforced composite floor slab. At the same time, the height of the limiting chassis matches the height of the lower fixing hole. After grouting, the grout, together with the fixing device, can effectively support the bottom floor slab, thus solving the problem of insufficient support for the bottom composite slab in the existing technology and ensuring the stability of the overall composite floor slab.

[0018] By setting upper and lower fixing holes at the top and bottom of the grouting holes respectively, and making the axial section of the grouting space I-shaped, the grout can fill the gap between the reinforcement device and the sidewall of the grouting space during grouting. This design not only enhances the connection strength between the floors in the composite floor slab, but also further improves the overall reinforcement effect of the composite floor slab through the combined action of the grout and the reinforcement device. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of the reinforced composite floor slab in Example 1.

[0021] Figure 2 This is a schematic diagram from another perspective of the reinforced composite floor slab in Example 1.

[0022] Figure 3 This is a cross-sectional view of the reinforced composite floor slab in Example 1.

[0023] Figure 4 This is a cross-sectional view from another perspective of the reinforced composite floor slab in Embodiment 1.

[0024] Figure 5 This is a schematic diagram of the reinforcement device applied to reinforce composite floor slabs in Embodiment 2.

[0025] Figure 6 This is a schematic diagram of the reinforcement device in Embodiment 2.

[0026] Figure 7 This is a schematic diagram of the limiting chassis in Embodiment 2.

[0027] Figure 8 This is a schematic diagram of the limiting chassis from another perspective in Embodiment 2.

[0028] In the diagram: 1. Floor slab; 11. Upper fixing hole; 12. Lower fixing hole;

[0029] 2. Grouting hole; 3. Sealing plug;

[0030] 4. Conduit; 41. First through-hole;

[0031] 5. Limiting base; 51. Second through hole;

[0032] 6. First overflow baffle; 61. First overflow hole;

[0033] 7. Second overflow baffle; 71. Second overflow hole;

[0034] 8. Third overflow baffle; 81. Third overflow hole; 9. Fiber mesh fabric layer. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Example 1:

[0037] like Figures 1-4 As shown, this embodiment provides a reinforced composite floor slab, comprising at least two layers of floor slabs 1 stacked sequentially. The reinforced composite floor slab has grouting holes 2, which penetrate each layer of floor slab in the thickness direction of the reinforced composite floor slab.

[0038] The top floor slab 1 has upper fixing holes 11 arranged around the top of the grouting hole 2, and the bottom floor slab 1 has lower fixing holes 12 arranged around the bottom of the grouting hole 2. The grouting hole 2 communicates with the upper fixing holes 11 and the lower fixing holes 12 to form a grouting space with an I-shaped axial section. The reinforcing device penetrates the grouting hole 2 from bottom to top and is connected to the sealing plug 3 at the top. Grout is injected into the reinforcing device, filling the gap between the reinforcing device and the side wall of the grouting space. The floor slabs are stacked, and after the reinforcing device is inserted into the grouting hole, grout is injected inward. The grout enters and fills the gap between the reinforcing device and the side wall of the grouting space. That is, the entire grouting space is filled with grout combined with the reinforcing device, thereby reinforcing each floor slab, restoring the hollow area, and providing support to ensure the stable support of the bottom floor slab, thus ensuring the overall reinforcement and support of the composite floor slabs.

[0039] Furthermore, the reinforced composite floor slab is provided with several grouting holes 2 at intervals, which can be distributed in a rectangular matrix or in a staggered pattern at certain intervals.

[0040] Example 2:

[0041] like Figures 5-8 As shown, this embodiment provides a reinforcement device for reinforcing composite floor slabs as provided in Embodiment 1, including a conduit 4, with a hollow limiting base 5 fixedly connected to the bottom end of the conduit 4, the conduit 4 and the limiting base 5 communicating with each other, and a sealing plug 3 detachably connected to the top end of the conduit 4. The diameter of the limiting base 5 is larger than the diameter of the conduit 4.

[0042] Specifically, the conduit 4 has a first through hole 41 on its side wall and the limiting base 5 has a second through hole 51 on its upper surface for slurry overflow.

[0043] Overflow baffles are also provided on the upper surface of the limiting chassis 5, and the overflow baffles are provided with overflow holes. More specifically, three overflow baffles with increasing height from the inside to the outside are fixed to the upper surface of the limiting chassis 5, namely the first overflow baffle 6, the second overflow baffle 7 and the third overflow baffle 8. The first overflow baffle 6, the second overflow baffle 7 and the third overflow baffle 8 are all circular plates, and are respectively provided with the first overflow hole 61, the second overflow hole 71 and the third overflow hole 81.

[0044] The sum of the height of the third overflow baffle 8 and the height of the limiting chassis 5 is equal to the height of the lower fixing hole 12.

[0045] The reinforcement device is inserted below the grouting hole 2 of the reinforced composite floor slab. After insertion, the reinforcement device is supported by a support beam or other support structure to prevent it from falling and to ensure that the bottom surface of the limiting base 5 in the reinforcement device is flush with the bottom of the reinforced composite floor slab. Grout is injected into the guide tube 4, and the grout flows into the limiting base 5. Since the upper surface of the limiting base 5 has a second through hole 51, the grout overflows along the second through hole 51 and overflows outward layer by layer through the first overflow baffle 6, the second overflow baffle 7, and the third overflow baffle 8, filling the entire lower fixing hole 12. Subsequently, the grout continues to be injected and fills the grouting hole through the first through hole 41 of the guide tube 4. During the entire grouting process, as the grout overflows through each through hole or overflow hole, it restores the hollow areas of the composite floor slab. Together with the reinforcement device, it ensures the stable support of the lowest floor slab, thereby ensuring the overall reinforcement support of the composite floor slab. After grouting is completed, the sealing plug 3 is installed on the top of the conduit 4 by threaded connection, so that the top of the sealing plug is flush with the upper surface of the reinforced composite floor slab.

[0046] In this embodiment, a fiber mesh layer 9 is also provided on the outer wall of the limiting chassis 5. Before installing the reinforcement device, an adhesive layer is brushed on the outside of the fiber mesh layer 9 to further enhance the bonding and reinforcement effect.

[0047] A fiber mesh layer 9 is provided on the outer wall of the limiting chassis 5, and an adhesive is brushed on the fiber mesh layer before the reinforcement device is installed to further enhance the bonding and reinforcement effect, thereby improving the overall stability of the composite floor slab and making up for the deficiency of insufficient reinforcement effect in the existing technology.

[0048] This embodiment effectively solves the problems of insufficient support for the lowest layer of composite slab and weak overall reinforcement in the prior art by improving the design of the reinforcement device and the structure of the grouting space, and significantly improves the structural stability and load-bearing capacity of the composite floor slab.

[0049] Specifically, the design of the limiting base 5 makes the bottom of the reinforcement device flush with the bottom of the reinforced composite floor slab, and the height of the limiting base 5 matches the height of the lower fixing hole 12. After grouting, the grout and the fixing device can effectively support the bottom floor slab, thereby solving the problem of insufficient support for the bottom composite slab in the existing technology and ensuring the stability of the overall composite floor slab.

[0050] By setting upper fixing holes 11 and lower fixing holes 12 at the top and bottom of the grouting hole 2 respectively, and making the axial section of the grouting space I-shaped, the grout can fill the gap between the reinforcement device and the side wall of the grouting space during grouting. This design not only enhances the connection strength between the floors in the composite floor slab, but also further improves the overall reinforcement effect of the composite floor slab through the combined action of the grout and the reinforcement device.

[0051] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A reinforced composite floor slab, comprising at least two layers of floor slabs stacked sequentially (1), characterized in that, The reinforced composite floor slab is provided with grouting holes (2), and the grouting holes (2) penetrate each floor slab (1) in the thickness direction of the reinforced composite floor slab; The floor slab (1) at the top is provided with upper fixing holes (11) around the top of the grouting hole (2), and the floor slab (1) at the bottom is provided with lower fixing holes (12) around the bottom of the grouting hole (2). The grouting hole (2) is connected to the upper fixing holes (11) and the lower fixing holes (12) to form a grouting space. The reinforcing device passes through the grouting hole (2) from bottom to top and is connected to the sealing plug (3) at the top. Grout is injected into the reinforcing device and fills the gap between the reinforcing device and the side wall of the grouting space.

2. The reinforced composite floor slab according to claim 1, characterized in that, The axial section of the grouting space is I-shaped.

3. The reinforced composite floor slab according to claim 2, characterized in that, The reinforced composite floor slab is provided with a number of grouting holes (2) spaced apart.

4. A reinforcement device applied to reinforced composite floor slabs according to any one of claims 1-3, characterized in that, Includes a conduit (4), the bottom end of which is fixedly connected to a hollow limiting base (5), and the conduit (4) is connected to the limiting base (5); the top end of the conduit (4) is detachably connected to a sealing plug (3); the diameter of the limiting base (5) is larger than the diameter of the conduit (4).

5. The reinforcement device according to claim 4, characterized in that, The conduit (4) has a first through hole (41) on its side wall, and the limiting base (5) has a second through hole (51) on its upper surface for the overflow of slurry.

6. The reinforcement device according to claim 5, characterized in that, The upper surface of the limiting chassis (5) is also provided with an overflow baffle, and the overflow baffle has an overflow hole.

7. The reinforcement device according to claim 6, characterized in that, The upper surface of the limiting chassis (5) is fixed with three overflow baffles whose height increases sequentially from the inside to the outside, namely the first overflow baffle (6), the second overflow baffle (7) and the third overflow baffle (8); the first overflow baffle (6), the second overflow baffle (7) and the third overflow baffle (8) are respectively ring-shaped plates, and are respectively provided with a first overflow hole (61), a second overflow hole (71) and a third overflow hole (81).

8. The reinforcement device according to claim 7, characterized in that, The sum of the height of the third overflow baffle (8) and the height of the limiting chassis (5) is equal to the height of the lower fixing hole (12).

9. The reinforcement device according to claim 8, characterized in that, The outer wall of the limiting chassis (5) is also provided with a fiber mesh fabric layer (9).

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