Steel bar truss prestressed concrete laminated slab

Abstract

The utility model discloses a steel bar truss prestressed concrete laminated slab, and relates to the technical field of steel bar truss prestressed concrete laminated slabs, in particular to the steel bar truss prestressed concrete laminated slab, which comprises a base layer plate, a positioning pouring layer plate and a pouring layer cover plate, a positioning clamping column is fixedly connected to the bottom of the positioning pouring layer plate, a positioning groove is formed in the top of the base plate, a clamping groove is formed in the top of the positioning pouring layer plate, a positioning steel body is clamped in the clamping groove, and a fixing groove is formed in the bottom of the pouring layer cover plate. A steel bar truss is arranged at the top of the positioning pouring layer plate, a laminated plate is arranged in the steel bar truss, reinforcing ribs are fixedly installed at the top of the laminated plate, the positioning pouring layer plate is matched with the positioning steel body, the overall rigid strength is conveniently enhanced while installation is facilitated, and the stability during use is effectively improved through the arrangement of the multiple laminated plates and the reinforcing ribs.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar truss prestressed concrete composite slabs, in particular to a steel bar truss prestressed concrete composite slab. Background Art

[0002] Composite slabs are a type of building formwork that combines precast and cast-in-place concrete. The composite slab's connecting components are welded from a keel steel truss. When the concrete is poured, the connecting components fuse with the steel and concrete, providing a stronger bond and a stronger structure. During the construction phase, the composite slab serves as the formwork for pouring concrete, with the steel trusses welded to the keel providing strength and rigidity. During the construction phase, the composite slab serves as the formwork for pouring concrete, with the strength and rigidity of the formwork being supported by the trusses welded to the keel.

[0003] A prestressed concrete reinforced truss composite slab disclosed in the Chinese utility model patent application disclosure CN218292428U has the advantages of accelerating the solidification of concrete, facilitating disassembly and enhancing the connectivity between the formwork and concrete. However, the prestressed concrete reinforced truss composite slab still has disadvantages: First, the prestressed concrete reinforced truss composite slab is prone to damage during actual use, which reduces the safety of use, and does not have an efficient protective structure, which may easily cause damage to the steel bars at the connection; Second, the prestressed concrete reinforced truss composite slab as a whole cannot maintain a good positioning effect during the pouring process, which may cause the reinforced truss composite slab to deviate during the pouring process, reducing the prestress and strength after the overall pouring. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides a reinforced truss prestressed concrete composite slab, which solves the problems raised in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a steel truss prestressed concrete composite slab, comprising a base plate, a positioning casting layer plate and a casting layer cover plate, the side of the casting layer cover plate is fixedly connected with an outer handle, the bottom of the positioning casting layer plate is fixedly connected with a positioning column, the top of the base plate is provided with a positioning groove, the top of the base plate is provided with a positioning groove, the top of the positioning casting layer plate is provided with a clamping groove, the inside of the clamping groove is clamped with a positioning steel body, the bottom of the casting layer cover plate is provided with a fixing groove, the top of the positioning casting layer plate is provided with a steel truss, the top of the steel truss is fixedly connected to a top beam, the side of the top beam is fixedly connected to a side support rib, the inside of the steel truss is provided with a composite plate, the side of the composite plate is fixedly connected with a first steel bar, the front and rear surfaces of the composite plate are fixedly connected with a second steel bar, and the top of the composite plate is fixedly installed with a reinforcing rib.

[0008] Optionally, the base plate is the same size as the positioning casting layer plate, the positioning casting layer plate is located on the top of the base plate, the casting layer cover plate is located on the top of the positioning casting layer plate, and the outer handle is fixedly installed on the left and right side surfaces of the casting layer cover plate.

[0009] Optionally, the positioning column is clamped inside the positioning slot, the number of the positioning column is consistent with the number of the positioning slot and they are arranged in multiple corresponding groups, the positioning steel body is arranged in an I-shape, and the steel truss is symmetrically arranged in two groups on the left and right and each is located between the left and right positioning steel bodies.

[0010] Optionally, the engaging groove is set in an inverted T shape, and the bottom end of the positioning steel body is engaged with the inside of the engaging groove; the fixing groove is set in a T shape, and the top end of the positioning steel body is engaged with the inside of the fixing groove.

[0011] Optionally, the side support bars are multiple in each group and are symmetrically installed in two groups on the left and right sides. The first steel bars are symmetrically installed in two groups on the left and right sides and their ends pass through the left and right sides of the steel truss. The second steel bars are symmetrically installed in two groups on the front and back sides and their ends pass through the front and back sides of the steel truss.

[0012] Optionally, the composite board is composed of a bottom layer, a waterproof layer, an insulating layer, an inner wear-resistant layer and an outer wear-resistant layer. The outermost layer of the composite board is the outer wear-resistant layer and the bottom layer. The inner layer of the composite board is the inner wear-resistant layer, the insulating layer and the waterproof layer from top to bottom. The reinforcing ribs are fixedly installed on the top of the outer wear-resistant layer.

[0013] The utility model provides a reinforced truss prestressed concrete composite slab, which has the following beneficial effects:

[0014] 1. The steel truss prestressed concrete composite slab has a more stable truss support effect through the setting of side support bars. Through the coordinated setting of reinforcing bars and multi-layer composite slabs, the resistance strength of the composite slab during use can be effectively enhanced, thereby enhancing the external protection effect and achieving the purpose of improving safety in use.

[0015] 2. The steel truss prestressed concrete composite slab has the effect of facilitating the installation and positioning of the cast-in-place layer through the setting of the clamping column and the clamping slot. Through the coordinated setting of the positioning cast-in-place layer and the positioning steel body, the overall clamping effect can be ensured during use and the overall longitudinal rigid structure can be ensured, thereby enhancing the overall strength and achieving the purpose of improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the steel bar truss body of the utility model;

[0020] Figure 5 This is a schematic diagram of the main structure of the steel truss of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the composite plate of the utility model.

[0022] In the figure: 1. Base plate; 2. Positioning casting layer plate; 3. Casting layer cover plate; 4. Outer handle; 5. Positioning column; 6. Positioning groove; 7. Positioning steel body; 8. Engaging groove; 9. Fixing groove; 10. Steel truss; 11. Top beam; 12. Side support rib; 13. Composite plate; 14. First steel bar; 15. Second steel bar; 16. Reinforcement rib; 17. Bottom layer; 18. Waterproof layer; 19. Insulation layer; 20. Inner wear-resistant layer; 21. Outer wear-resistant layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Example 1:

[0025] See also Figures 1 to 6 The slab of the present invention is provided with the following technical scheme: a kind of steel truss prestressed concrete composite slab, comprises base plate 1, positioning casting layer plate 2 and casting layer cover plate 3, base plate 1 and positioning casting layer plate 2 have the same size, positioning casting layer plate 2 is located on the top of base plate 1, casting layer cover plate 3 is located on the top of positioning casting layer plate 2, outer handle 4 is fixedly installed on the left and right sides of casting layer cover plate 3, the setting of outer handle 4 is convenient for installation and convenient for overall movement. The side of casting layer cover plate 3 is fixedly connected with outer handle 4, the bottom of positioning casting layer plate 2 is fixedly connected with positioning card column 5, positioning card column 5 is clamped in the inside of positioning groove 6, positioning card column 5 is the same in number as positioning groove 6 and is set in multiple groups, positioning steel body 7 is set in I-shape, steel truss 10 is symmetrically arranged in two groups on the left and right and each is located between the two positioning steel bodies 7 on the left and right, the setting of positioning steel body 7 makes it possible to fully position the steel truss 10, effectively ensuring the overall longitudinal rigidity, base plate 1 A positioning groove 6 is provided on the top, a snap-fit ​​groove 8 is provided on the top of the positioning casting layer 2, a positioning steel body 7 is clamped inside the snap-fit ​​groove 8, a fixing groove 9 is provided on the bottom of the casting layer cover 3, the snap-fit ​​groove 8 is set in an inverted T shape, the bottom end of the positioning steel body 7 is clamped inside the snap-fit ​​groove 8, the fixing groove 9 is set in a T shape, the top end of the positioning steel body 7 is clamped inside the fixing groove 9, the snap-fit ​​groove 8 cooperates with the setting of the fixing groove 9 to conveniently clamp and install the positioning steel body 7, and the positioning casting layer 2 is provided with a steel truss 10 at the top, and a top beam 11 is fixedly connected to the top of the steel truss 10. Side support bars 12 are fixedly connected to the sides of the top beam 11. There are multiple side support bars 12 in each group and they are symmetrically installed in two groups on the left and right. The first steel bars 14 are symmetrically installed in the left and right groups and their ends pass through the left and right side surfaces of the steel truss 10. The second steel bars 15 are symmetrically installed in the front and back groups and their ends pass through the front and back surfaces of the steel truss 10. The arrangement of the side support bars 12 makes the support of the steel truss 10 more stable and strong.

[0026] When using this steel truss prestressed concrete composite slab, first, the positioning casting layer plate 2 is clamped and installed on the top of the base plate 1 by coordinating the positioning column 5 at the bottom of the positioning casting layer plate 2 with the positioning groove 6 at the top of the base plate 1, and then the bottom end of the positioning steel body 7 is clamped inside the clamping groove 8, and then the steel truss 10 can be installed between the two positioning steel bodies 7. After installation, the casting process can be started. After the casting is completed, the fixing groove 9 at the bottom of the casting layer cover plate 3 can be clamped on the top of the positioning steel body 7 to complete the overall installation process, which effectively ensures good overall stability and is very convenient to use and easy to operate.

[0027] Example 2:

[0028] See also Figures 1 to 6The utility model provides a technical solution: a steel truss prestressed concrete composite plate, a steel truss 10 is provided inside a composite plate 13, a first steel bar 14 is fixedly connected to the side of the composite plate 13, a second steel bar 15 is fixedly connected to the front and rear surfaces of the composite plate 13, and a reinforcing rib 16 is fixedly installed on the top of the composite plate 13. The composite plate 13 is composed of a bottom layer 17, a waterproof layer 18, an insulating layer 19, an inner wear-resistant layer 20 and an outer wear-resistant layer 21. The outermost layer of the composite plate 13 is the outer wear-resistant layer 21 and the bottom layer 17. The inner layer of the composite plate 13 is, from top to bottom, the inner wear-resistant layer 20, the insulating layer 19 and the waterproof layer 18. The reinforcing rib 16 is fixedly installed on the top of the outer wear-resistant layer 21. The arrangement of the composite plate 13 made of a multi-layer combination makes the composite plate 13 more stable and strong when used.

[0029] When using the steel truss prestressed concrete composite slab, the first steel bar 14, the second steel bar 15 and the reinforcing rib 16 are provided to enhance the overall strength of the composite slab 13, and at the same time improve the toughness of the composite slab 13 to prevent the composite slab 13 from being easily damaged due to impact force. The bottom layer 17 is provided to ensure the strength of the first steel bar 14, the second steel bar 15 and the reinforcing rib 16. The waterproof layer 18 is provided to protect the bottom layer 17 to prevent water from eroding the bottom layer 17. The insulating layer 19 is provided to improve the insulation capacity of the bottom layer 17. The inner wear-resistant layer 20 and the outer wear-resistant layer 21 are provided to protect the bottom layer 17 to prevent the bottom layer 17 from being easily worn. It is very convenient to use and has high practicality.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reinforced truss prestressed concrete composite slab, comprising a base plate (1), a positioning casting layer plate (2) and a casting layer cover plate (3), characterized in that: An outer handle (4) is fixedly connected to the side of the casting layer cover plate (3), a positioning clamping column (5) is fixedly connected to the bottom of the positioning casting layer plate (2), a positioning groove (6) is provided on the top of the base plate (1), a clamping groove (8) is provided on the top of the positioning casting layer plate (2), a positioning steel body (7) is clamped inside the clamping groove (8), a fixing groove (9) is provided on the bottom of the casting layer cover plate (3), and a steel body (7) is provided on the top of the positioning casting layer plate (2). A steel truss (10) is provided, wherein the top of the steel truss (10) is fixedly connected to a top beam (11), the side of the top beam (11) is fixedly connected to a side support rib (12), a composite plate (13) is provided inside the steel truss (10), the side of the composite plate (13) is fixedly connected to a first steel bar (14), the front and rear surfaces of the composite plate (13) are fixedly connected to a second steel bar (15), and the top of the composite plate (13) is fixedly installed with a reinforcing rib (16).

2. The steel truss prestressed concrete composite slab according to claim 1, characterized in that: The base plate (1) has the same size as the positioning casting layer plate (2); the positioning casting layer plate (2) is located on the top of the base plate (1); the casting layer cover plate (3) is located on the top of the positioning casting layer plate (2); and the outer handle (4) is fixedly installed on the left and right side surfaces of the casting layer cover plate (3).

3. The steel truss prestressed concrete composite slab according to claim 1, characterized in that: The positioning clamping column (5) is clamped inside the positioning groove (6); the number of the positioning clamping column (5) is the same as that of the positioning groove (6) and they are arranged in multiple groups corresponding to each other; the positioning steel body (7) is arranged in an I-shape; the steel bar truss (10) is symmetrically arranged in two groups on the left and right, and each group is located between the two positioning steel bodies (7) on the left and right.

4. The steel truss prestressed concrete composite slab according to claim 1, characterized in that: The engaging groove (8) is arranged in an inverted T-shape, and the bottom end of the positioning steel body (7) is engaged with the inside of the engaging groove (8); the fixing groove (9) is arranged in a T-shape, and the top end of the positioning steel body (7) is engaged with the inside of the fixing groove (9).

5. The steel truss prestressed concrete composite slab according to claim 1, characterized in that: The side support bars (12) are arranged in a plurality of groups and are symmetrically installed in two groups on the left and right sides. The first steel bars (14) are symmetrically installed in two groups on the left and right sides and their ends penetrate the left and right side surfaces of the steel bar truss (10). The second steel bars (15) are symmetrically installed in two groups on the front and back sides and their ends penetrate the front and back sides of the steel bar truss (10).

6. The steel bar truss prestressed concrete composite slab according to claim 1, characterized in that: The composite plate (13) is composed of a bottom layer (17), a waterproof layer (18), an insulating layer (19), an inner wear-resistant layer (20) and an outer wear-resistant layer (21). The outermost layer of the composite plate (13) is the outer wear-resistant layer (21) and the bottom layer (17). The inner layer of the composite plate (13) is composed of an inner wear-resistant layer (20), an insulating layer (19) and a waterproof layer (18) from top to bottom. The reinforcing rib (16) is fixedly installed on the top of the outer wear-resistant layer (21).

Images