Sandwich floor slab made of magnesium oxysulfate foaming building blocks

Abstract

The utility model relates to the technical field of buildings, in particular to a magnesium oxysulfate foaming building block sandwich floor slab which comprises a bottom concrete surface layer, a lower-layer framework, a magnesium oxysulfate foaming building block sandwich layer, an upper-layer framework and a top concrete surface layer, and the magnesium oxysulfate foaming building block sandwich layer is clamped between the bottom concrete surface layer and the top concrete surface layer. The magnesium oxysulfate foaming building block sandwich layer is connected with the bottom concrete surface layer through a lower-layer framework, the magnesium oxysulfate foaming building block sandwich layer is connected with the top concrete surface layer through an upper-layer framework, the magnesium oxysulfate foaming building block sandwich layer is formed by splicing building block battens, and the adjacent building block battens are connected through connecting assemblies. The building block battens comprise magnesium oxysulfate foaming building blocks and middle concrete building blocks which are arranged in a staggered mode. The reinforcing mesh formed by the T-shaped steel and the reinforcing steel bars serves as a stress component and is matched with the sandwich layer structure, so that the overall strength of the component can be improved, and fire prevention and heat preservation are achieved.

Description

Technical Field

[0001] This utility model relates to the field of building technology, and in particular to a magnesium oxide foamed block sandwich floor slab. Background Technology

[0002] Prefabricated construction is a systematic project, with its main development goals being to improve building quality, accelerate production speed, conserve resources, reduce environmental pollution, and promote sustainable development in the construction industry. Sandwich panels consist of two layers of molded metal panels (or other material panels) and a high-polymer insulating core that is foamed and cured directly between the panels. Due to its unique structure, sandwich panels possess natural advantages such as lightweight, high strength, rigidity, thermal insulation, and ease of on-site assembly. Existing sandwich panels use cotton or foam as the core material, resulting in insufficient support and a tendency to deform. Magnesium oxysulfate cement, a type of magnesia cement, offers advantages such as lightweight, low density, high strength, and good air stability, effectively improving the shortcomings of insufficient support in the sandwich layer. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a sandwich floor slab with magnesium oxysulfate foamed blocks, which is easy to construct and achieves fireproof and heat insulation of the floor slab.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A magnesium oxysulfate foamed block sandwich floor slab includes a bottom concrete surface layer, a lower frame, a magnesium oxysulfate foamed block sandwich layer, an upper frame, and a top concrete surface layer. The magnesium oxysulfate foamed block sandwich layer is sandwiched between the bottom and top concrete surface layers. The magnesium oxysulfate foamed block sandwich layer is connected to the bottom concrete surface layer through the lower frame, and the magnesium oxysulfate foamed block sandwich layer is connected to the top concrete surface layer through the upper frame. The magnesium oxysulfate foamed block sandwich layer is spliced ​​from block strips, and adjacent block strips are connected by connecting components. The block strips include staggered magnesium oxysulfate foamed blocks and intermediate concrete blocks.

[0006] The upper and lower skeletons are symmetrically arranged and have the same structure, including T-shaped steel and reinforcing bars. The vertical plates of the T-shaped steel have several round holes. The T-shaped steel arranged side by side are connected by reinforcing bars inserted in the round holes. The horizontal plates of the T-shaped steel are embedded in the sandwich layer of magnesium oxysulfate block. A part of the vertical plates of the T-shaped steel is embedded in the bottom concrete surface layer or the top concrete surface layer.

[0007] The connecting assembly includes a connecting plate, a pressure plate, a connecting plate groove, and a locking groove. One side of an adjacent intermediate concrete block is provided with a connecting plate groove, and the other side is provided with a locking groove. The connecting plate is installed in the connecting plate groove. The outer side of the connecting plate is provided with an extended locking claw portion, which is engaged in the locking groove. The connecting plate is connected to the connecting plate groove by a support bolt. The outer end of the support bolt is connected to one side of the pressure plate. The other side of the pressure plate is connected to the locking groove by a support bolt. The pressure plate is embedded in the bottom concrete surface layer or the top concrete surface layer.

[0008] Compared with existing technologies, the beneficial effects of this utility model are:

[0009] 1. The floor slab with magnesium oxysulfate foamed blocks used in this utility model has lightweight, high strength, and thermal insulation properties. The steel mesh formed by T-shaped steel and steel bars serves as a load-bearing component, which, together with the sandwich layer structure, can improve the overall strength of the component and achieve the effects of fireproofing and thermal insulation.

[0010] 2. The core layer of the sulfur-oxygen-magnesium foamed block of this utility model adopts an assembly structure, which shortens the construction time and improves the construction efficiency.

[0011] 3. The middle layer sandwich panel of this utility model uses magnesium sulfate foamed blocks to replace traditional sulfate cement, which has the advantages of being green and environmentally friendly. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a side view of the present invention.

[0014] Figure 3 This is a structural schematic diagram of a block strip.

[0015] Figure 4 This is a schematic diagram showing the connection between the masonry blocks and the upper and lower skeletons.

[0016] Figure 5 This is a structural diagram of a T-shaped steel section.

[0017] Figure 6 This is a structural diagram of the connecting components.

[0018] Figure 7 This is a schematic diagram of the connecting plates.

[0019] Figure 8 This is a schematic diagram of the pressure plate.

[0020] In the diagram: 1. Bottom concrete surface layer; 2. Lower skeleton; 3. Magnesium oxysulfate foamed block sandwich layer; 4. Upper skeleton; 5. Top concrete surface layer; 6. Connecting component; 7. Magnesium oxysulfate foamed block; 8. Middle concrete block; 9. T-shaped steel; 10. Reinforcing bar; 11. Round hole; 12. Connecting plate; 13. Pressure plate; 14. Connecting plate groove; 15. Slot; 16. Claw part; 17. Support bolt. Detailed Implementation

[0021] In the description of this utility model, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1-8 A magnesium oxysulfate foamed block sandwich floor slab includes a bottom concrete surface layer 1, a lower frame 2, a magnesium oxysulfate foamed block sandwich layer 3, an upper frame 4, and a top concrete surface layer 5. The magnesium oxysulfate foamed block sandwich layer 3 is sandwiched between the bottom concrete surface layer 1 and the top concrete surface layer 5. The magnesium oxysulfate foamed block sandwich layer 3 is connected to the bottom concrete surface layer 1 through the lower frame 2, and the magnesium oxysulfate foamed block sandwich layer 3 is connected to the top concrete surface layer 5 through the upper frame 4. The magnesium oxysulfate foamed block sandwich layer 3 is spliced ​​from block strips, and adjacent block strips are connected by connecting components 6. The block strips include staggered magnesium oxysulfate foamed blocks 7 and intermediate concrete blocks 8.

[0024] The upper frame 4 and the lower frame 2 are symmetrically arranged, and the upper frame 4 and the lower frame 2 have the same structure, including T-shaped steel 9 and steel bars 10. The vertical plate of the T-shaped steel 9 is provided with several round holes 11. The T-shaped steel 9 arranged side by side is connected by steel bars 10 passing through the round holes 11. The horizontal plate of the T-shaped steel 9 is embedded in the sulfur-oxygen-magnesium foamed block sandwich layer 3, and part of the vertical plate of the T-shaped steel 9 is embedded in the bottom concrete surface layer 1 or the top concrete surface layer 5.

[0025] The connecting assembly includes a connecting plate 12, a pressure plate 13, a connecting plate groove 14, and a locking groove 15. One side of an adjacent intermediate concrete block 8 is provided with a connecting plate groove 14, and the other side is provided with a locking groove 15. The connecting plate 12 is installed in the connecting plate groove 14. The outer side of the connecting plate 12 is provided with an elongated locking claw 16, which is engaged in the locking groove 15. The connecting plate 12 is connected to the connecting plate groove 15 by a support bolt 17. The outer end of the support bolt 17 is connected to one side of the pressure plate 13, and the other side of the pressure plate 13 is connected to the locking groove 15 by the support bolt 17. The pressure plate 13 is embedded in the bottom concrete surface layer 1 or the top concrete surface layer 5.

[0026] A construction method for a magnesium oxysulfate foamed block sandwich floor slab, the specific steps of which are as follows:

[0027] 1) Place the T-shaped steel 9 of the upper frame 4 and the lower frame 2 in the template, and pour sulfur-oxygen magnesium foam material to form sulfur-oxygen magnesium foam blocks 7. Make block strips on both sides of the sulfur-oxygen magnesium foam blocks 7 with C30 concrete.

[0028] 2) Insert the reinforcing bar 10 into the round hole of the T-shaped steel 9; and keep the length of the reinforcing bars on both sides consistent.

[0029] 3) Fabricate the support template and apply a layer of machine oil to the inside of the support template for lubrication;

[0030] Place masonry strips with upper skeleton 4 and lower skeleton 2 on the support formwork, and use spacers to support the masonry strips according to the design height; pour the bottom concrete surface layer 1 with concrete; cure after the concrete is poured; remove the support formwork when it reaches the initial setting state, and continue to cure at room temperature to obtain the component.

[0031] 4) Arrange the components obtained in step 3) side by side, connect the connecting plate 12 to the prefabricated connecting plate groove 14 with the support bolt 17, and engage the claw part 16 of the connecting plate 12 with the prefabricated groove 15 on the adjacent masonry strip. Connect the pressure plate 13 to the support bolt 17, and connect the pressure plate 13 to the groove 15 with the support bolt 17.

[0032] 5) Pour the top concrete layer 5 onto the connected components. After pouring the concrete, smooth it with a trowel and cure it.

[0033] To make the objectives, technical solutions, and technical effects of this utility model clearer, the technical solutions in the embodiments of this utility model are now described clearly and completely. However, the embodiments described below are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art in conjunction with the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0034] Example:

[0035] A magnesium oxysulfate foamed block sandwich floor slab includes a bottom concrete surface layer 1, a lower frame 2, a magnesium oxysulfate foamed block sandwich layer 3, an upper frame 4, and a top concrete surface layer 5. The magnesium oxysulfate foamed block sandwich layer 3 is sandwiched between the bottom concrete surface layer 1 and the top concrete surface layer 5. The magnesium oxysulfate foamed block sandwich layer 3 is connected to the bottom concrete surface layer 1 through the lower frame 2, and the magnesium oxysulfate foamed block sandwich layer 3 is connected to the top concrete surface layer 5 through the upper frame 4. The magnesium oxysulfate foamed block sandwich layer 3 is spliced ​​from block strips, and adjacent block strips are connected by connecting components 6. The block strips include staggered magnesium oxysulfate foamed blocks 7 and intermediate concrete blocks 8.

[0036] The upper frame 4 and the lower frame 2 are symmetrically arranged, and the upper frame 4 and the lower frame 2 have the same structure, including T-shaped steel 9 and steel bars 10. The vertical plate of the T-shaped steel 9 is provided with several round holes 11. The T-shaped steel 9 arranged side by side is connected by steel bars 10 passing through the round holes 11. The horizontal plate of the T-shaped steel 9 is embedded in the sulfur-oxygen-magnesium foamed block sandwich layer 3, and part of the vertical plate of the T-shaped steel 9 is embedded in the bottom concrete surface layer 1 or the top concrete surface layer 5.

[0037] The connecting assembly includes a connecting plate 12, a pressure plate 13, a connecting plate groove 14, and a locking groove 15. One side of an adjacent intermediate concrete block 8 is provided with a connecting plate groove 14, and the other side is provided with a locking groove 15. The connecting plate 12 is installed in the connecting plate groove 14. The outer side of the connecting plate 12 is provided with an elongated locking claw 16, which is engaged in the locking groove 15. The connecting plate 12 is connected to the connecting plate groove 15 by a support bolt 17. The outer end of the support bolt 17 is connected to one side of the pressure plate 13, and the other side of the pressure plate 13 is connected to the locking groove 15 by the support bolt 17. The pressure plate 13 is embedded in the bottom concrete surface layer 1 or the top concrete surface layer 5.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and basic spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A magnesium oxide foamed block sandwich floor slab, characterized in that, It includes a bottom concrete surface layer, a lower skeleton, a magnesium oxysulfate foamed block core layer, an upper skeleton, and a top concrete surface layer. The magnesium oxysulfate foamed block core layer is sandwiched between the bottom concrete surface layer and the top concrete surface layer. The magnesium oxysulfate foamed block core layer is connected to the bottom concrete surface layer through the lower skeleton, and the magnesium oxysulfate foamed block core layer is connected to the top concrete surface layer through the upper skeleton. The magnesium oxysulfate foamed block core layer is spliced ​​from block strips. Adjacent block strips are connected by connecting components. The block strips include staggered magnesium oxysulfate foamed blocks and intermediate concrete blocks.

2. The magnesium oxide foamed block sandwich floor slab according to claim 1, characterized in that, The upper and lower skeletons are symmetrically arranged and have the same structure, including T-shaped steel and reinforcing bars. The vertical plates of the T-shaped steel have several round holes. The T-shaped steel arranged side by side are connected by reinforcing bars inserted in the round holes. The horizontal plates of the T-shaped steel are embedded in the sandwich layer of magnesium oxysulfate block. A part of the vertical plates of the T-shaped steel is embedded in the bottom concrete surface layer or the top concrete surface layer.

3. The magnesium oxide foamed block sandwich floor slab according to claim 1, characterized in that, The connecting assembly includes a connecting plate, a pressure plate, a connecting plate groove, and a locking groove. One side of an adjacent intermediate concrete block is provided with a connecting plate groove, and the other side is provided with a locking groove. The connecting plate is installed in the connecting plate groove. The outer side of the connecting plate is provided with an extended locking claw portion, which is engaged in the locking groove. The connecting plate is connected to the connecting plate groove by a support bolt. The outer end of the support bolt is connected to one side of the pressure plate. The other side of the pressure plate is connected to the locking groove by a support bolt. The pressure plate is embedded in the bottom concrete surface layer or the top concrete surface layer.

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