A corrugated steel sheet - aerated concrete unidirectional truss - reinforced precast roof slab

Abstract

The present invention relates to a prefabricated roof panel made of corrugated steel and aerated concrete with one-way truss steel bars, comprising: a prefabricated base layer and a prefabricated interlayer arranged on the prefabricated base layer; wherein the prefabricated base layer comprises a corrugated steel plate and a plurality of hollow thin-walled square steel tubes; wherein the plurality of hollow thin-walled square steel tubes are welded to the lower surface of the corrugated steel plate at parallel intervals along the length of the panel, with each hollow thin-walled square steel tube correspondingly welded to a trough of the corrugated steel plate; and the prefabricated interlayer comprises a steel mesh structure and a plurality of autoclaved aerated concrete blocks; wherein the steel mesh structure is arranged on the corrugated steel plate and forms a grid area above the corrugated steel plate, and the plurality of autoclaved aerated concrete blocks are arranged within the grid area. Compared with traditional roof panels, the prefabricated roof panel made of corrugated steel and aerated concrete with one-way truss steel bars of the present invention has a reduced deadweight and improved thermal insulation and sound insulation properties.

Description

Technical Field

[0001] The invention belongs to the technical field of construction, and in particular relates to a corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel. Background Art

[0002] With the development of the construction industry, the use of steel structures is becoming increasingly common. Steel structures are widely used due to their high strength, good toughness, good deformation capacity, high reliability, and good seismic performance. Moreover, steel structural components can be factory-fabricated and installed on-site, actively responding to national policies and helping to promote industrial upgrading and industrial development in the construction industry.

[0003] Roof panels are a crucial component of the roof, directly bearing the load from the roof and transmitting it to the main structure. In traditional concrete residential buildings, concrete roof panels offer excellent integrity and high rigidity. However, their complex construction process, multiple steps, long construction cycles, and heavy weight have increasingly limited their use.

[0004] To address the challenges of traditional concrete roof panels, steel roof panels are gaining increasing attention. Steel roof panels primarily include color-coated steel panels, composite roof panels, sandwich roof panels, and aluminum-magnesium-manganese roof panels. These roof panels for residential buildings require higher levels of waterproofing, thermal insulation, and sound insulation.

[0005] At present, the installation process of common steel structure roof panels is complicated, and waterproofing and insulation treatment measures need to be strictly regulated. Moreover, most of the connections during the roof panel construction process are completed through bolt connections and welding. If the construction quality of the steel structure roof is poor, it will cause rainwater leakage and cause the internal steel structure to rust, thereby having a certain impact on the durability of the steel structure house.

[0006] In addition, compared with concrete roof panels, the disposal of steel structure roofs is greatly limited during the decoration process. Summary of the Invention

[0007] In order to solve the above problems existing in the prior art, the present invention provides a corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel. The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0008] The present invention provides a corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel, comprising: a prefabricated bottom layer and a prefabricated interlayer arranged on the prefabricated bottom layer; wherein,

[0009] The prefabricated bottom layer comprises a plurality of hollow thin-walled square steel tubes of a corrugated steel plate; wherein the plurality of hollow thin-walled square steel tubes are welded to the lower surface of the corrugated steel plate in parallel and at intervals along the length direction of the panel, and each hollow thin-walled square steel tube is welded to a corresponding trough of the corrugated steel plate;

[0010] The prefabricated interlayer includes a steel mesh structure and a plurality of autoclaved aerated concrete blocks; wherein the steel mesh structure is arranged on the corrugated steel plate and forms a grid area located above the corrugated steel plate, and the plurality of autoclaved aerated concrete blocks are arranged in the grid area.

[0011] In one embodiment of the present invention, a plurality of transverse steel bar groups are provided on the upper surface of the corrugated steel plate, each of the transverse steel bar groups is welded correspondingly at the crest of the corrugated steel plate, and the transverse steel bar group includes a plurality of transverse steel bars arranged in parallel and spaced apart along the width direction of the panel.

[0012] In one embodiment of the present invention, the steel mesh cage structure includes a plurality of truss steel bars, a plurality of middle-layer transverse steel bars, a plurality of top-layer transverse steel bars and a plurality of top-layer longitudinal steel bars, wherein:

[0013] The plurality of truss steel bars are arranged in parallel and spaced apart along the length direction of the panel, and each of the truss steel bars is welded to a corresponding transverse steel bar group at the crest of the corrugated steel plate;

[0014] The plurality of middle-layer transverse steel bars are arranged in parallel and spaced apart along the width direction of the panel, and the middle-layer transverse steel bars sequentially pass through the plurality of truss steel bars and are welded to the middle portions of the truss steel bars;

[0015] The plurality of top-layer transverse steel bars are arranged in parallel and spaced apart in the width direction of the panel and are located above the truss steel bars, and the top-layer transverse steel bars are welded to the tops of the truss steel bars;

[0016] The plurality of middle-layer transverse steel bars and the plurality of top-layer transverse steel bars are alternately arranged;

[0017] The plurality of top-layer longitudinal steel bars are arranged in parallel and spaced apart along the length direction of the panel and are located on both sides of the truss steel bars, and the top-layer longitudinal steel bars are welded to the top-layer transverse steel bars.

[0018] In one embodiment of the present invention, a plurality of the autoclaved aerated concrete blocks are arranged on the middle-layer transverse reinforcements and are located within corresponding grid areas formed by the top-layer transverse reinforcements and the top-layer longitudinal reinforcements.

[0019] In one embodiment of the present invention, the truss reinforcement includes a first truss bottom chord reinforcement, a second truss bottom chord reinforcement, a truss top chord reinforcement and a plurality of truss web reinforcements, wherein:

[0020] The first truss bottom chord steel bars and the second truss bottom chord steel bars are arranged parallel and spaced along the length direction of the panel, and the first truss bottom chord steel bars and the second truss bottom chord steel bars are both welded to the transverse steel bar group;

[0021] The truss upper chord steel bars are located above the first truss lower chord steel bars and the second truss lower chord steel bars, forming a triangular structure with the first truss lower chord steel bars and the second truss lower chord steel bars, and the plurality of truss web steel bars are connected between the triangular structures.

[0022] In one embodiment of the present invention, the middle-layer transverse steel bars are welded to the truss web steel bars of the truss steel bars, and the distance between the middle-layer transverse steel bars and the crests of the corrugated steel plate is at least 25 mm.

[0023] In one embodiment of the present invention, the top transverse reinforcement is welded to the truss upper chord reinforcement of the truss reinforcement.

[0024] In one embodiment of the present invention, the distance between the top longitudinal reinforcement bars on both sides of the truss reinforcement and the truss upper chord reinforcement bars of the truss reinforcement bar is at least 25 mm.

[0025] In one embodiment of the present invention, bolt holes are provided on a side of the hollow thin-walled square steel tube away from the corrugated steel plate, for achieving connection between the corrugated steel plate and the steel structure house.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. Compared with traditional roof panels, the corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel of the present invention uses aerated concrete blocks as the middle layer of the roof panel, increasing the use of green building materials in the roof panel. At the same time, with the use of aerated concrete, the weight of the roof panel is reduced, which also brings convenience during the lifting and transportation process, and the thermal insulation and sound insulation properties are improved.

[0028] 2. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel of the present invention utilizes corrugated steel plates and multiple hollow thin-walled square steel tubes as a prefabricated bottom layer. The use of corrugated steel plates as the prefabricated bottom plate avoids the step of pre-supporting the bottom formwork in the traditional concrete roof panel casting process, effectively reducing the workload of on-site construction. The hollow thin-walled square steel tubes replace the function of conventional roof panel purlins, and the aerated concrete blocks in the middle layer can also play a role in roof insulation, simplifying the construction steps of re-insulating the roof panel.

[0029] 3. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel of the present invention is connected to the main body of the steel structure house through hollow thin-walled square steel tubes, thereby realizing the connection between the concrete roof panel and the main body of the steel structure house, expanding the scope of use of the concrete roof panel, adding the use of concrete components to the steel structure house, increasing the overall rigidity of the house, and to a certain extent reducing the cost of the steel structure house.

[0030] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a schematic diagram of a corrugated steel plate provided by an embodiment of the present invention;

[0032] Figure 2 Schematic diagram of welding a hollow thin-walled square steel tube to the underside of a corrugated steel plate according to an embodiment of the present invention;

[0033] Figure 3 Schematic diagram of welding a transverse reinforcement group to the upper side of a corrugated steel plate according to an embodiment of the present invention;

[0034] Figure 4 This is a schematic diagram of connecting truss steel bars and corrugated steel plates into a whole, provided by an embodiment of the present invention;

[0035] Figure 5 Schematic diagram of spot welding the middle-layer transverse reinforcement to the truss web reinforcement of the truss reinforcement provided by an embodiment of the present invention;

[0036] Figure 6 Schematic diagram of spot welding the top transverse reinforcement to the truss upper chord reinforcement of the truss reinforcement provided by an embodiment of the present invention;

[0037] Figure 7 Schematic diagram of spot welding the top longitudinal reinforcement and the truss upper chord reinforcement of the truss reinforcement provided by an embodiment of the present invention;

[0038] Figure 8 Schematic diagram of a prefabricated roof panel of corrugated steel plate and aerated concrete one-way truss steel bars provided in an embodiment of the present invention;

[0039] Figure 9 The diagram is a schematic diagram of a composite floor slab provided by an embodiment of the present invention, comprising a corrugated steel plate with hollow thin-walled square steel tubes and a reinforcement mesh and a prefabricated aerated concrete roof panel.

[0040] Icons: 1-corrugated steel plate; 2-hollow thin-walled square steel tube; 3-transverse reinforcement group; 4-truss reinforcement; 5-middle layer transverse reinforcement; 6-top layer transverse reinforcement; 7-top layer longitudinal reinforcement; 8-autoclaved aerated concrete block; 9-post-poured concrete layer. DETAILED DESCRIPTION

[0041] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the following is a detailed description of a corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel proposed according to the present invention in combination with the accompanying drawings and specific embodiments.

[0042] The aforementioned and other technical contents, features, and effects of the present invention are clearly presented in the following detailed description of the specific embodiments in conjunction with the accompanying drawings. Through the description of the specific embodiments, a deeper and more specific understanding of the technical means and effects adopted by the present invention to achieve the intended purpose can be obtained. However, the accompanying drawings are provided for reference and illustration purposes only and are not intended to limit the technical solutions of the present invention.

[0043] Example 1

[0044] See Figure 8 , Figure 8 This is a schematic diagram of a corrugated steel plate-aerated concrete one-way truss steel prefabricated roof panel provided by an embodiment of the present invention. As shown in the figure, the corrugated steel plate-aerated concrete one-way truss steel prefabricated roof panel of this embodiment includes a prefabricated bottom layer and a prefabricated interlayer arranged on the prefabricated bottom layer. After the prefabricated interlayer is assembled on the prefabricated bottom layer, a post-cast concrete layer 9 is poured to form a composite floor slab.

[0045] In an optional embodiment, the prefabricated bottom layer includes a corrugated steel plate 1 and a plurality of hollow thin-walled square steel tubes 2. Figure 1 and Figure 2 , Figure 1 is a schematic diagram of a corrugated steel plate provided by an embodiment of the present invention; Figure 2 This is a schematic diagram illustrating the welding of hollow, thin-walled square steel tubes to the underside of a corrugated steel sheet, as provided in an embodiment of the present invention. As shown, multiple hollow, thin-walled square steel tubes 2 are welded to the underside of a corrugated steel sheet 1 at intervals along the length of the sheet, with each hollow, thin-walled square steel tube 2 welded to a corresponding trough in the corrugated steel sheet 1.

[0046] Optionally, the corrugated steel plate has a thickness of 1 mm.

[0047] In this embodiment, a corrugated steel plate 1 and a plurality of hollow thin-walled square steel tubes 2 are used as a prefabricated bottom layer. The corrugated steel plate 1 is used as a prefabricated bottom plate, which avoids the step of pre-supporting the bottom formwork in the traditional concrete roof panel casting process, effectively reduces the workload of on-site construction, and the hollow thin-walled square steel tubes 2 replace the function of conventional roof panel purlins.

[0048] In an optional embodiment, the prefabricated interlayer includes a steel mesh structure and a plurality of autoclaved aerated concrete blocks 8; wherein the steel mesh structure is arranged on the corrugated steel plate 1 and forms a grid area located above the corrugated steel plate 1, and the plurality of autoclaved aerated concrete blocks 8 are arranged in the grid area.

[0049] In this embodiment, compared with traditional roof panels, aerated concrete blocks 8 are selected as the middle layer of the roof panels, which increases the use of green building materials in the roof panels. At the same time, with the use of aerated concrete, the weight of the roof panels is reduced, which also brings convenience during the lifting and transportation process, and the thermal insulation and sound insulation properties are improved. At the same time, the aerated concrete blocks 8 in the middle layer can also play a role in roof insulation, simplifying the construction steps of re-insulating the roof panels.

[0050] In an optional embodiment, a plurality of transverse steel bar groups 3 are provided on the upper surface of the corrugated steel plate 1, each transverse steel bar group 3 is welded to the crest of the corrugated steel plate 1, and the transverse steel bar group 3 includes a plurality of transverse steel bars spaced and arranged in parallel along the width direction of the panel, such as Figure 3 The diagram shown is a schematic diagram of welding a transverse reinforcement group to the upper side of a corrugated steel plate according to an embodiment of the present invention.

[0051] In an optional embodiment, the steel mesh cage structure includes a plurality of truss steel bars 4 , a plurality of middle-layer transverse steel bars 5 , a plurality of top-layer transverse steel bars 6 and a plurality of top-layer longitudinal steel bars 7 .

[0052] Among them, multiple truss steel bars 4 are arranged in parallel and at intervals along the length direction of the panel, and each truss steel bar 4 is correspondingly welded to the transverse steel bar group at the crest of the corrugated steel plate 1.

[0053] Please refer to Figure 4 The schematic diagram of an embodiment of the present invention, shown here, illustrates the integration of truss reinforcement and corrugated steel sheeting. The truss reinforcement 4 includes a first truss bottom chord, a second truss bottom chord, a truss top chord, and several truss web bars. The first and second truss bottom chords are spaced parallel to each other along the length of the panel and are welded to the transverse reinforcement group 3. The top truss chord is positioned above the first and second truss bottom chords, forming a triangular structure with the first and second truss bottom chords. Several truss web bars are connected between the triangular structures.

[0054] Optionally, the first truss lower chord steel bars and the second truss lower chord steel bars are spot welded to the transverse steel bars in the transverse steel bar group 3.

[0055] In this embodiment, the truss steel bars 4 are welded to the transverse steel bar group 3 at the crest of the corrugated steel plate 1. The transverse steel bar group 3 is used to lift the truss steel bars 4, so that there is a gap between the truss steel bars 4 and the corrugated steel plate 1. When the post-cast concrete layer 9 is subsequently poured, the gap is filled to form a concrete protective layer, which can prevent the truss steel bars 4 from rusting and maintain the durability of the composite floor.

[0056] In an optional embodiment, a plurality of middle-layer transverse steel bars 5 are arranged in parallel and spaced apart along the width direction of the panel, and the middle-layer transverse steel bars 5 sequentially pass through a plurality of truss steel bars 4 and are welded to the middle of the truss steel bars 4. Figure 5 The embodiment of the present invention shown provides a schematic diagram of spot welding the middle-layer transverse reinforcement and the truss web reinforcement of the truss reinforcement. As shown in the figure, the middle-layer transverse reinforcement 5 is welded to the truss web reinforcement of the truss reinforcement 4, optionally by electric welding.

[0057] Optionally, the distance between the middle transverse reinforcement 5 and the wave crest of the corrugated steel plate 1 is at least 25 mm.

[0058] In an optional embodiment, multiple top-level transverse steel bars 6 are arranged in parallel and spaced apart along the width direction of the panel and are located above the truss steel bars 4, the top-level transverse steel bars 6 are welded to the top of the truss steel bars 4, and multiple middle-level transverse steel bars 5 are alternately arranged with the multiple top-level transverse steel bars 6.

[0059] Please refer to Figure 6 The embodiment of the present invention shown is a schematic diagram of spot welding the top-level transverse reinforcement to the truss upper chord reinforcement of the truss reinforcement. As shown in the figure, the top-level transverse reinforcement 6 is welded to the truss upper chord reinforcement of the truss reinforcement 4, optionally by electric welding.

[0060] In an optional embodiment, a plurality of top longitudinal steel bars 7 are arranged in parallel and spaced apart along the length direction of the panel and are located on both sides of the truss steel bars 4, and the top longitudinal steel bars 7 are welded to the top transverse steel bars 6, such as Figure 7 The schematic diagram of the embodiment of the present invention is provided to spot-weld the top longitudinal reinforcement and the top chord reinforcement of the truss reinforcement. Optionally, the top longitudinal reinforcement 7 and the top transverse reinforcement 6 are spot-welded at the overlap.

[0061] Optionally, the distance between the top longitudinal reinforcement 7 on both sides of the truss reinforcement 4 and the truss upper chord reinforcement of the truss reinforcement 4 is at least 25 mm.

[0062] It should be noted that when welding the steel mesh structure on the prefabricated bottom layer, the transverse steel bar group 3 is first welded on the corrugated steel plate 1, and then the truss steel bars 4, the middle transverse steel bars 5, the top transverse steel bars 6 and the top longitudinal steel bars 7 are welded in the order.

[0063] In this embodiment, between two adjacent truss steel bars 4, the top longitudinal steel bars 7 and the top transverse steel bars 6 are crisscrossed to form a grid area, and a plurality of autoclaved aerated concrete blocks 8 are arranged on the middle transverse steel bars 5 and are located in the corresponding grid area formed by the top transverse steel bars 6 and the top longitudinal steel bars 7.

[0064] That is, the middle-layer transverse steel bars 5 serve as the base of the autoclaved aerated concrete block 8 to support the autoclaved aerated concrete block 8 , and the top-layer transverse steel bars 6 and the top-layer longitudinal steel bars 7 clamp the autoclaved aerated concrete block 8 .

[0065] It should be noted that the size of the autoclaved aerated concrete blocks 8 is cut according to the size of the grid area.

[0066] During the use of the prefabricated roof panel, ordinary concrete is poured on the corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel as a post-cast concrete layer to form a composite floor slab. Figure 9 The diagram shows a composite floor slab of corrugated steel plate and aerated concrete prefabricated roof panel equipped with hollow thin-walled square steel tubes and steel mesh cages provided by an embodiment of the present invention.

[0067] In this embodiment, the distance between the middle-layer transverse reinforcement 5 and the wave crest of the corrugated steel plate 1 is set to at least 25 mm, and the distance between the top-layer longitudinal reinforcement 7 located on both sides of the truss reinforcement 4 and the upper chord reinforcement of the truss is set to at least 25 mm. This is to ensure that the coarse aggregate of the post-cast concrete layer 9 can smoothly pass through the criss-cross steel mesh structure to form a composite floor slab that fills the entire steel mesh structure.

[0068] In one alternative embodiment, bolt holes are provided on the side of the hollow thin-walled square steel tube 2 facing away from the corrugated steel plate 1 to connect the corrugated steel plate 2 to the steel structure. Bolt holes in the hollow thin-walled square steel tube 2 are used to connect the composite floor slab to the steel structure, while welding is combined to enhance the integrity of the steel structure and the roof.

[0069] In this embodiment, the connection between the concrete roof panel and the main body of the steel structure house is achieved by connecting the hollow thin-walled square steel tube to the main body of the steel structure house, thereby expanding the scope of use of the concrete roof panel, adding the use of concrete components to the steel structure house, increasing the overall rigidity of the house, and reducing the cost of the steel structure house to a certain extent.

[0070] It should be noted that, in this document, relational terms such as first and second are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that an article or device comprising a list of elements includes not only those elements but also other elements not explicitly listed. Without further limitation, an element defined by the phrase "comprising a..." does not preclude the presence of additional identical elements in the article or device comprising the element. Terms such as "connected" or "connected" are not limited to physical or mechanical connections but may include electrical connections, whether direct or indirect. References to orientations or positional relationships, such as "upper," "lower," "left," and "right," are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate description and simplify the description of the present invention. They do not indicate or imply that the device or element referred to must have, be constructed, or operate in a specific orientation, and are therefore not to be construed as limiting the present invention.

[0071] The above is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention should not be considered to be limited to these descriptions. For those skilled in the art of the present invention, without departing from the concept of the present invention, several simple deductions or substitutions can be made, which should be considered to fall within the scope of protection of the present invention.

Claims

1. A corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel, characterized in that: include: A prefabricated bottom layer and a prefabricated interlayer arranged on the prefabricated bottom layer; wherein, The prefabricated bottom layer includes a corrugated steel plate and a plurality of hollow thin-walled square steel tubes; wherein the plurality of hollow thin-walled square steel tubes are welded to the lower surface of the corrugated steel plate in parallel and at intervals along the length direction of the panel, and each hollow thin-walled square steel tube is welded to a corresponding trough of the corrugated steel plate; The prefabricated interlayer includes a steel mesh structure and a plurality of autoclaved aerated concrete blocks; wherein the steel mesh structure is arranged on the corrugated steel plate and forms a grid area located above the corrugated steel plate, and the plurality of autoclaved aerated concrete blocks are arranged in the grid area; The steel mesh cage structure includes a plurality of truss steel bars, a plurality of middle-layer transverse steel bars, a plurality of top-layer transverse steel bars and a plurality of top-layer longitudinal steel bars, wherein: The plurality of truss steel bars are arranged in parallel and spaced apart along the length direction of the panel, and each of the truss steel bars is welded to a corresponding transverse steel bar group at the crest of the corrugated steel plate; The plurality of middle-layer transverse steel bars are arranged in parallel and spaced apart along the width direction of the panel, and the middle-layer transverse steel bars sequentially pass through the plurality of truss steel bars and are welded to the middle portions of the truss steel bars; The plurality of top-layer transverse steel bars are arranged in parallel and spaced apart in the width direction of the panel and are located above the truss steel bars, and the top-layer transverse steel bars are welded to the tops of the truss steel bars; The plurality of middle-layer transverse steel bars and the plurality of top-layer transverse steel bars are alternately arranged; The plurality of top longitudinal steel bars are arranged in parallel and spaced apart along the length direction of the panel and are located on both sides of the truss steel bars, and the top longitudinal steel bars are welded to the top transverse steel bars; A plurality of the autoclaved aerated concrete blocks are arranged on the middle-layer transverse steel bars and are located in corresponding grid areas formed by the top-layer transverse steel bars and the top-layer longitudinal steel bars; The hollow thin-walled square steel tube is provided with bolt holes on a side away from the corrugated steel plate, for achieving connection between the corrugated steel plate and the steel structure house.

2. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel according to claim 1, characterized in that: A plurality of transverse steel bar groups are provided on the upper surface of the corrugated steel plate, each of the transverse steel bar groups is welded correspondingly at the crest of the corrugated steel plate, and the transverse steel bar group includes a plurality of transverse steel bars spaced and arranged in parallel along the width direction of the panel.

3. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel according to claim 1, characterized in that: The truss reinforcement includes a first truss lower chord reinforcement, a second truss lower chord reinforcement, a truss upper chord reinforcement and a plurality of truss web reinforcements, wherein: The first truss bottom chord steel bars and the second truss bottom chord steel bars are arranged parallel and spaced along the length direction of the panel, and the first truss bottom chord steel bars and the second truss bottom chord steel bars are both welded to the transverse steel bar group; The truss upper chord steel bars are located above the first truss lower chord steel bars and the second truss lower chord steel bars, forming a triangular structure with the first truss lower chord steel bars and the second truss lower chord steel bars, and the plurality of truss web steel bars are connected between the triangular structures.

4. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel according to claim 3, characterized in that: The middle-layer transverse steel bars are welded to the truss web steel bars of the truss steel bars, and the distance between the middle-layer transverse steel bars and the crests of the corrugated steel plate is at least 25 mm.

5. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel according to claim 3, characterized in that: The top layer transverse reinforcement is welded to the truss upper chord reinforcement of the truss reinforcement.

6. The corrugated steel plate-aerated concrete one-way truss steel bar prefabricated roof panel according to claim 3, characterized in that: The distance between the top longitudinal reinforcements on both sides of the truss reinforcement and the truss upper chord reinforcement of the truss reinforcement is at least 25 mm.

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