Concrete laminated slab component

Abstract

The utility model discloses a concrete laminated slab component, and relates to the technical field of building construction. The concrete laminated slab component comprises a prefabricated bottom plate and a plurality of strip-shaped ribs, a reinforcing mesh is arranged in the prefabricated bottom plate, and the orthographic projection area of the reinforcing mesh is located in the range of the orthographic projection area of the prefabricated bottom plate; the prefabricated bottom plate comprises a first area and a second area, and the thickness of the second area is smaller than that of the first area; the second area is used for being connected with a building main body; the strip-shaped ribs are arranged on the surface of the prefabricated bottom plate and used for enhancing the strength of the prefabricated bottom plate. According to the technical scheme provided by the utility model, ribs are not exposed out of the four sides of the concrete laminated slab component, and the structural strength of the concrete laminated slab component can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a concrete composite plate component. Background Art

[0002] Concrete composite slab components are widely used in prefabricated concrete structure systems. In the prior art, concrete composite slab components generally have reinforcement on all four sides, and the exposed steel bars are used to connect with the main body of the building. However, the reinforcement on all four sides of the concrete composite slab components will lead to poor versatility in the production formwork, complex production process, and difficulty in protecting the finished product. At the same time, the concrete composite slab components themselves are insufficient in strength and are prone to damage during production and transportation, affecting the quality of the finished product. Based on the above considerations, there is an urgent need for a concrete composite slab component that has no reinforcement on all four sides and has sufficient self-strength.

[0003] It should be noted that the above contents are only used to assist in understanding the technical solution of the present utility model, and do not constitute an admission that the above contents are prior art. Utility Model Content

[0004] The main purpose of the utility model is to provide a concrete composite slab component, aiming to achieve the concrete composite slab component without reinforcement on four sides and to effectively improve its structural strength.

[0005] To achieve the above-mentioned purpose, the utility model provides a concrete composite slab component, comprising:

[0006] A prefabricated base plate, wherein a steel mesh is provided inside the prefabricated base plate, and the orthographic projection area of ​​the steel mesh is located within the range of the orthographic projection area of ​​the prefabricated base plate; the prefabricated base plate comprises a first area and a second area, the thickness of the second area is less than the thickness of the first area; the second area is used to be interconnected with an external building body;

[0007] A plurality of strip ribs are arranged on the surface of the prefabricated bottom plate, and the strip ribs are used to enhance the strength of the prefabricated bottom plate.

[0008] In one embodiment, the thickness of the first region is 30-55 mm, and the thickness of the second region is 0.7-0.8 times the thickness of the first region.

[0009] In one embodiment, the second area is arranged on one side of the prefabricated bottom plate close to the edge thereof, and the second area surrounds the annular outer side of the first area.

[0010] In one embodiment, the strip rib is disposed at the junction of the first area and the second area.

[0011] In one embodiment, a plurality of the strip ribs are arranged in a linear array along a preset direction; or, a plurality of the strip ribs are arranged in a mesh structure.

[0012] In one embodiment, the cross section of the strip rib is a trapezoidal structure, and the cross section width of the strip rib gradually decreases along a vertical line of the prefabricated bottom plate and in a direction away from the prefabricated bottom plate.

[0013] In one embodiment, rib steel bars are disposed inside the strip-shaped ribs, and the rib steel bars are fixedly connected to the steel mesh.

[0014] In one embodiment, the ribbed steel bars include any one of truss steel bars, rectangular steel cages or thin-walled steel sections.

[0015] In one embodiment, when the rib steel bars are truss steel bars, the side of the truss steel bars with a single steel bar is fixedly connected to the steel mesh, and the side of the truss steel bars with double steel bars faces away from the steel mesh.

[0016] In one embodiment, the strip rib is provided with a reserved hole for the embedded wire to pass through.

[0017] The technical solution of the utility model is to set a steel mesh inside the prefabricated base plate, and the orthographic projection area of ​​the steel mesh is within the range of the orthographic projection area of ​​the prefabricated base plate, so that the steel mesh is not exposed outside the prefabricated base plate, that is, the prefabricated base plate adopts a design without reinforcement on the four sides. At the same time, the prefabricated base plate is divided into a first area and a second area, and the second area is used to connect with the external building body; and, considering that the connection between the second area and the building body will occupy a certain building space, the thickness of the second area is set to be less than the thickness of the first area, and the thickness difference is used as the connection space between the second area and the building body, so that in actual operation, there is no need to consider the additional connection space between the second area and the building body in the building space, which is conducive to improving the convenience of installation. In addition, in the utility model, a plurality of strip ribs are also arranged on the surface of the prefabricated base plate, and the strip ribs are used to enhance the self-structural strength of the prefabricated base plate, better control the deformation and cracking of the concrete composite plate components, and ensure that the concrete composite plate components are not easily damaged during production and transportation. In addition, the thickness of the concrete composite plate components can be appropriately thinned on the basis of meeting the use strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a structural schematic diagram of one embodiment of a concrete composite slab member provided by the utility model;

[0020] Figure 2 The second structural schematic diagram of an embodiment of a concrete composite slab member provided by the utility model;

[0021] Figure 3 A schematic diagram of the installation structure in which a prefabricated bottom plate and a building main body are connected to each other in one embodiment of a concrete composite slab component provided by the utility model;

[0022] Figure 4 A schematic diagram of an installation structure in which two prefabricated bottom plates are connected to each other in one embodiment of a concrete composite slab member provided by the utility model;

[0023] Figure 5 A structural schematic diagram of a reinforcement portion in an embodiment of a concrete composite slab member provided by the utility model;

[0024] Figure 6 A schematic diagram of the structure of rib steel bars and steel mesh in an embodiment of a concrete composite slab member provided by the utility model;

[0025] Figure 7 A schematic diagram of the structure of rib steel bars in an embodiment of a concrete composite slab member provided by the utility model;

[0026] Figure 8 This is a structural schematic diagram of a manufacturing mold in an embodiment of a concrete composite slab component provided by the utility model;

[0027] Fig. 9 The second structural schematic diagram of a manufacturing mold in an embodiment of a concrete composite slab component provided by the utility model;

[0028] Fig.10 The third structural schematic diagram of the manufacturing mold in one embodiment of the concrete composite slab component provided by the utility model.

[0029] Description of reference numerals:

[0030] 1. Prefabricated bottom plate; 101. First area; 102. Second area; 2. Steel mesh; 3. Strip ribs; 301. Rib steel bars; 3011. Truss steel bars; 3012. Rectangular steel cage; 3013. Thin-walled steel; 4. Reinforcement; 5. Reserved holes; 6. Formwork; 601. Sidewall mold; 602. First cushion block mold; 603. Second cushion block mold; 7. Exposed steel bars; 8. Connecting steel bars; 9. Building body;

[0031] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, what is described is only a part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, it should be noted that the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0035] In the prior art, concrete composite slab components generally use reinforcement on four sides, and use the exposed part of the reinforcement to connect with the main body of the building. However, the reinforcement on four sides of concrete composite slab components will lead to poor versatility of the template, complex production process and difficulty in protecting the finished product. At the same time, the concrete composite slab components themselves are insufficient in strength and are easily damaged during production and transportation, affecting the quality of the finished product.

[0036] In order to solve this technical problem, the present invention proposes a new concrete composite slab component.

[0037] See also Figure 1-2 In one embodiment of the utility model, the concrete composite slab component comprises:

[0038] A prefabricated base plate 1, wherein a steel mesh 2 is provided inside the prefabricated base plate 1, and an orthographic projection area of ​​the steel mesh 2 is located within the range of the orthographic projection area of ​​the prefabricated base plate 1; the prefabricated base plate 1 comprises a first area 101 and a second area 102, wherein the thickness of the second area 102 is less than the thickness of the first area 101; the second area 102 is used to be interconnected with an external building body 9; wherein the building body can be represented as a main structural wall or a structural beam, and the present application does not impose any specific restrictions thereon.

[0039] A plurality of strip ribs 3 are arranged on the surface of the prefabricated bottom plate 1 , and the strip ribs 3 are used to enhance the strength of the prefabricated bottom plate 1 .

[0040] In the technical solution of the utility model, by arranging the steel mesh 2 inside the prefabricated base plate 1, and the orthographic projection area of ​​the steel mesh 2 is within the range of the orthographic projection area of ​​the prefabricated base plate 1, the steel mesh 2 is not exposed outside the prefabricated base plate 1, that is, the prefabricated base plate 1 adopts a design without reinforcement on the four sides. At the same time, the prefabricated base plate 1 is divided into a first area 101 and a second area 102, and the second area 102 is connected to the building main body 9; and considering that the connection between the second area 102 and the building main body 9 will occupy a certain building space, the thickness of the second area 102 is set to be less than the thickness of the first area 101, and the thickness difference is used as the connection space between the second area 102 and the building main body 9, so that in actual operation, there is no need to consider reserving additional connection space between the second area 102 and the building main body 9 in the building space, which is conducive to improving installation convenience. In addition, in the utility model, a plurality of strip ribs 3 are arranged on the surface of the prefabricated base plate 1, and the strip ribs 3 are utilized to enhance the structural strength of the prefabricated base plate 1, so as to better control the deformation and cracking of the concrete composite plate components, thereby ensuring that the concrete composite plate components are not easily damaged during the production and transportation process. Furthermore, on the basis of meeting the use strength, the thickness of the concrete composite plate components can be appropriately thinned.

[0041] Understandable, see attached Figure 3 , attached Figure 3 FIG. a is a schematic diagram of the installation structure of the prefabricated base plate 1 and the building main body 9 in the prior art, Figure 3 FIG. b is a schematic diagram of the installation structure of the prefabricated base plate 1 and the building main body 9 of the utility model. Figure 3As can be seen from Figure a of the prior art, since the exposed steel bar 7 is provided, the exposed steel bar 7 can be directly inserted into the interior of the building body 9 to achieve the installation between the prefabricated bottom plate 1 and the building body 9. However, since the steel bar is not exposed in the present invention, it is necessary to extend a connecting steel bar 8 inside the building body 9, and use the connecting steel bar 8 to connect with the edge side (i.e., the second area 102) of the prefabricated bottom plate 1. Figure 3 It can be seen from Figure b that the connection space between the second area 102 and the building main body 9 will occupy a certain building space. Therefore, in the utility model, the thickness of the second area 102 is set to be smaller than the thickness of the first area 101, and the thickness difference is used as the connection space between the second area 102 and the building main body 9.

[0042] Similarly, when two adjacent prefabricated bottom plates 1 are connected to each other, refer to the attached Figure 4 , attached Figure 4 FIG. a is a schematic diagram of an installation structure in which two prefabricated bottom plates 1 are connected to each other in the prior art. Figure 4 Figure b is a schematic diagram of the installation structure of two prefabricated base plates 1 connected to each other in the utility model. Figure 4 As can be seen from FIG. a of the prior art, since exposed steel bars 7 are provided, the exposed steel bars 7 can be directly fixedly connected (for example, welded) to the connecting steel bars 8 located between the two prefabricated bottom plates 1 to achieve mutual connection of the two prefabricated bottom plates 1. However, since the steel bars are not exposed in the present invention, the connecting steel bars 8 need to be connected to the edge side (i.e., the second area 102) of the prefabricated bottom plates 1. Figure 4 It can be seen from Figure b that the connection space between the second area 102 and the connecting steel bar 8 will occupy a certain building space. Therefore, in the utility model, the thickness of the second area 102 is set to be smaller than the thickness of the first area 101, and the thickness difference is used as the connection space between the second area 102 and the connecting steel bar 8.

[0043] Regarding the connection method between the prefabricated bottom plate 1 and the connecting steel bar 8, since the prefabricated bottom plate 1 is a concrete structural material, the two can rely on the bond strength between the connecting steel bar 8 and the steel bar, and the rough surface of the second area 102 of the concrete material to achieve indirect overlap of the steel bars, and transmit force through the bond strength of the concrete to the steel bars. In addition, it should be noted that after understanding the technical solution of the present application, those skilled in the art can think of other connection methods between the prefabricated bottom plate 1 and the connecting steel bar 8 without creative effort, and they should also fall within the protection scope of the present application.

[0044] More specifically, in the embodiment of the present invention, the thickness of the first region 101 is 30-55 mm, and the thickness of the second region 102 is 0.7-0.8 times the thickness of the first region 101. In this way, by placing specific restrictions on the thickness of the first region 101 and the second region 102, it is ensured that the quality of the finished concrete composite slab component meets the actual use requirements.

[0045] More specifically, in the embodiments of the present invention, referring to the attached Figure 1-2 , the second area 102 is arranged on one side of the prefabricated base plate 1 close to its edge; in this arrangement, since the connection position between the prefabricated base plate 1 and the building body 9 is mainly located on the edge side of the prefabricated base plate 1, the second area 102 is arranged on one side of the prefabricated base plate 1 close to its edge.

[0046] Furthermore, the second area 102 surrounds the annular outer side of the first area 101. In this arrangement, since it is impossible to predict which edge of the prefabricated bottom plate 1 will be connected to the building body 9 during the actual installation process during the manufacturing process of the concrete composite slab component, the annular outer side surrounding the first area 101 is set as the second area 102, that is, the thickness of the edge area of ​​the prefabricated bottom plate 1 is less than the thickness of the middle area thereof; in this way, any edge of the prefabricated bottom plate 1 can be connected to the building body 9 during the installation process, thereby improving work efficiency.

[0047] More specifically, in the embodiments of the present invention, referring to the attached Figure 1-2 , a strip rib 3 is provided at the junction of the first area 101 and the second area 102. In this way, due to the thickness difference between the first area 101 and the second area 102, in order to avoid obvious concave-convex structure on the surface of the prefabricated bottom plate 1, a strip rib 3 can be provided at the junction of the first area 101 and the second area 102, and the strip rib 3 is used as the transition area between the first area 101 and the second area 102, so that the concave-convex structure on the surface of the prefabricated bottom plate 1 has a certain degree of concealment.

[0048] More specifically, in the embodiment of the present invention, a plurality of strip ribs 3 are arranged in a linear array along a preset direction; or, a plurality of strip ribs 3 are arranged in a mesh structure. Figure 1 As shown, when a plurality of strip ribs 3 are arranged in a linear array along a preset direction, it is defined as a unidirectional strip rib structure; Figure 2 As shown, when a plurality of strip ribs 3 are arranged in a mesh structure, it is defined as a bidirectional strip rib structure. Compared with the unidirectional strip rib structure, the bidirectional strip rib structure can enhance the strength of the concrete composite slab component to a greater extent, better control the deformation and cracking of the concrete composite slab component, and ensure that the concrete composite slab component is not easily damaged during production and transportation. In addition, the thickness of the concrete composite slab component can be appropriately reduced on the basis of meeting the use strength.

[0049] It should be noted that in the above arrangement where several strip ribs 3 are linearly arrayed in a preset direction, the preset direction can be selected as the length direction, width direction or any angular direction of the precast base plate 1, and the present application does not make specific limitations on it.

[0050] More specifically, in the embodiment of the present utility model, the cross-sectional width of the strip rib 3 gradually decreases along the perpendicular line of the precast base plate 1 and away from the precast base plate 1, that is, the strip rib 3 is arranged in a trapezoidal structure. Such an arrangement is considered in the manufacturing process of the concrete composite slab component. Concrete needs to be poured into the mold. After the concrete solidifies and reaches the demolding strength, the concrete composite slab component is demolded to separate it from the mold. During the demolding process, the cross-sectional width of the strip rib 3 is set in a trapezoidal structure, so that the side of the strip rib 3 has a certain demolding slope, which is convenient for the strip rib 3 to be separated from the mold.

[0051] More specifically, in the embodiment of the present utility model, referring to the attached Figure 5 , a strengthening part 4 is provided at the connection of the strip rib 3 and the second area 102; such an arrangement is considered that the thickness of the second area 102 is relatively thin, so that the connection strength between the strip rib 3 and the second area is lower than that between the strip rib 3 and the first area 101. Therefore, in this embodiment, a strengthening part 4 is provided at the connection of the strip rib 3 and the second area 102, and the strengthening part 4 is used to improve the connection strength between the strip rib 3 and the second area 102. Specifically, the strengthening part can be formed by thickening the cross-section of the connection of the strip rib 3 connected to the second area 102.

[0052] In another embodiment of the present utility model, referring to the attached Figure 6-7 , rib bars 301 are arranged inside the strip rib 3, and the rib bars 301 are fixedly connected to the steel bar mesh 2. Such an arrangement is to improve the self-strength of the strip rib 3 by arranging rib bars 301 inside the strip rib 3; the rib bars 301 are fixedly connected to the steel bar mesh 2 to ensure that there is no relative displacement between the strip rib 3 and the precast base plate 1.

[0053] More specifically, in the embodiment of the present utility model, the rib bars 301 include any one of truss bars 3011 (Figure a in the attached Figure 7 ), rectangular steel bar cages 3012 (Figure b in the attached Figure 7 ) or thin-walled steel sections 3013 (Figure c in the attached Figure 7 ). Among them, the thin-walled steel section 3013 refers to a structure composed of thin steel plates or strip steels with a thickness of 1.5 - 5 mm cold-bent into various cross-sections. As shown in the attached drawings, in this embodiment, the thin-walled steel section 3013 adopts a C-shaped cross-section.

[0054] Furthermore, when the rib reinforcement 301 adopts the truss reinforcement 3011, the side of the truss reinforcement 3011 provided with a single reinforcement is fixedly connected to the reinforcement mesh 2, and the side of the truss reinforcement 3011 provided with double reinforcement faces the side away from the reinforcement mesh 2. Such a configuration is made in consideration of the fact that during the manufacturing process of the concrete composite slab component, the prefabricated bottom plate 1 is manufactured upward and the strip ribs 3 are manufactured downward; and in consideration of the fact that the common truss reinforcement includes an upper chord, a lower chord, and a web member for connecting the upper chord and the lower chord, wherein the upper chord includes a single reinforcement, the lower chord includes double reinforcement, and the upper chord and the lower chord form a triangular structure. Therefore, before pouring concrete, the steel mesh 2 is first laid on the side of the truss steel bars 3011 where a single steel bar is provided, and the steel mesh 2 is tied together with the single steel bar of the truss steel bars 3011, and then the side of the truss steel bars 3011 where double steel bars are provided is used as a support point to be placed stably in the mold; thereby facilitating the stable placement of the steel mesh 2 and the truss steel bars 3011 in the mold.

[0055] More specifically, in the embodiment of the present utility model, the strip rib 3 is provided with a reserved hole 5 for the pre-buried wire to pass through. In this way, the reserved hole 5 is formed by perforating between the ribs, providing installation space for pre-buried wires such as electromechanical pipelines.

[0056] In combination with the above embodiments, a method for manufacturing a concrete composite slab member is specifically described below, which includes the following steps:

[0057] Step S1: Refer to the attached Figure 8-10 , a retaining mold 601 is arranged at the edge of the mold platform 6, a first cushion block mold 602 is arranged on both sides parallel to the strip rib 3 to distinguish the strip rib 3 from the prefabricated bottom plate 1, and a second cushion block mold 603 is arranged in the thin thickness area corresponding to the second area 102 of the prefabricated bottom plate 1, wherein the thickness of the first cushion block mold 602 is less than that of the second cushion block mold 603; at the same time, special blocking blocks (not shown in the drawings) are arranged at the corresponding positions of the reserved holes 5, the hanging holes, etc., so as to form a manufacturing mold;

[0058] Step S2: welding or tying the ribbed steel bars 301 and the steel mesh 2 into a whole, and then installing them into the corresponding position of the manufacturing mold, during which measures are taken to control the thickness of the steel bars and the surface of the component;

[0059] Step S3: pouring concrete so that the concrete completely covers the steel mesh 2 and ensures that its upper surface is horizontal, and using the formwork table 6 for automatic vibration;

[0060] Step S4: After the initial setting of the concrete, the upper surface is polished and finished using a mechanical polishing device to control the production accuracy within a preset range;

[0061] Step S5: curing the concrete composite slab component, and when the demoulding strength is reached, lifting it at the demoulding lifting hole position to separate the concrete composite slab component from the manufacturing mold;

[0062] Step S6: After demoulding, the concrete composite slab component is mechanically flipped or transported to a special flipping rack to flip the concrete composite slab component 180 degrees so that the prefabricated bottom plate 1 faces downward and the strip ribs 3 face upward, and then transported to the component storage area.

[0063] The manufacturing method of the above-mentioned concrete composite slab component is manufactured by adopting the method of using the prefabricated bottom plate 1 facing upward and the strip ribs 3 facing downward, and using automatic polishing equipment for polishing and finishing during the component production, so that the flatness of the surface of the prefabricated bottom plate 1 reaches within a preset range, and automated high-precision production can be achieved.

[0064] At the same time, the first cushion block mold 602 or the second cushion block mold 603 is selected for areas of different thickness in the prefabricated base plate 1, and is fixed to the mold table 6 by magnetic attraction or gluing; and considering the convenience of production demoulding, a demoulding angle is set on the side of the strip rib 3.

[0065] It should be noted that other contents of the concrete composite slab component disclosed in the present utility model are prior art and will not be described in detail here.

[0066] The above are only optional embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any direct / indirect application of the present invention in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A concrete composite slab component, characterized in that: include: A prefabricated base plate, wherein a steel mesh is provided inside the prefabricated base plate, and the orthographic projection area of ​​the steel mesh is located within the range of the orthographic projection area of ​​the prefabricated base plate; the prefabricated base plate comprises a first area and a second area, the thickness of the second area is less than the thickness of the first area; the second area is used to be interconnected with an external building body; A plurality of strip ribs are arranged on the surface of the prefabricated bottom plate, and the strip ribs are used to enhance the strength of the prefabricated bottom plate.

2. The concrete composite slab member according to claim 1, characterized in that: The thickness of the first region is 30-55 mm, and the thickness of the second region is 0.7-0.8 times the thickness of the first region.

3. The concrete composite slab member according to claim 1, characterized in that: The second area is arranged on one side of the prefabricated bottom plate close to the edge thereof, and the second area surrounds the annular outer side of the first area.

4. The concrete composite slab member according to claim 1, characterized in that: The strip rib is arranged at the junction of the first area and the second area.

5. The concrete composite slab member according to claim 1, characterized in that: The plurality of strip ribs are arranged in a linear array along a preset direction; or, the plurality of strip ribs are arranged in a mesh structure.

6. The concrete composite slab member according to claim 1, characterized in that: The cross section of the strip rib is a trapezoidal structure, and the cross section width of the strip rib gradually decreases along the vertical line of the prefabricated bottom plate and in a direction away from the prefabricated bottom plate.

7. The concrete composite slab member according to claim 1, characterized in that: Rib steel bars are arranged inside the strip-shaped ribs, and the rib steel bars are fixedly connected to the steel mesh.

8. The concrete composite slab member according to claim 7, characterized in that: The rib steel bars include any one of truss steel bars, rectangular steel cages or thin-walled steel sections.

9. The concrete composite slab member according to claim 8, characterized in that: When the rib steel bars are the truss steel bars, the side of the truss steel bars with a single steel bar is fixedly connected to the steel mesh, and the side of the truss steel bars with double steel bars faces the side away from the steel mesh.

10. The concrete composite slab member according to claim 1, characterized in that: The strip rib is provided with a reserved hole for the embedded wire to pass through.

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