Anti-cracking narrow-flange PEC prefabricated part

Abstract

The utility model discloses an anti-cracking narrow-flange PEC prefabricated part, belongs to the technical field of PEC buildings, and solves the problems that an anti-cracking steel wire mesh of an existing device is limited in supporting effect on concrete, the bearing capacity and the shock resistance of the concrete cannot be improved, and the concrete is prone to cracking when impacted by external force. Concrete is arranged in the H-shaped steel, stiffening plates and an anti-cracking steel wire mesh are arranged on the H-shaped steel, identical first reinforcing assemblies are arranged between the stiffening plates and the right flange, second reinforcing assemblies are arranged between the adjacent stiffening plates, the edges of the left flange and the right flange can be supported through the stiffening plates, and the anti-cracking steel wire mesh is arranged on the H-shaped steel. And the bearing capacity and the anti-seismic capacity of the concrete are improved through the first reinforcing assembly and the second reinforcing assembly, the purpose of improving the bearing capacity and the anti-seismic capacity of the concrete is achieved, and the situation that the concrete cracks is avoided advantageously.

Description

Technical Field

[0001] This utility model relates to the field of PEC building technology, specifically to a crack-resistant narrow-flange PEC prefabricated component. Background Technology

[0002] The crack-resistant narrow-flange PEC precast component is an innovative building component with crack-resistant features. It is mainly composed of H-beams and concrete. The component includes H-beams and concrete filling the semi-enclosed space formed by their flanges and web. Stiffening plates are provided between the flanges on the same side of the H-beams, connected to the web, and one end of the stiffening plate is lower than the flange edge on the same side of the web. The concrete is flush with the flange edge.

[0003] A search revealed that patent application number 202123445681.7 discloses a crack-resistant narrow-flange PEC member, comprising H-beams and concrete, with the concrete filling the semi-enclosed space formed by the flanges and web of the H-beams; a stiffening plate is provided between the left and right flanges on the same side of the H-beams, and the stiffening plate is connected to the web; the end face where the stiffening plate is connected to the web is end face A, and the other end face of the stiffening plate corresponding to end face A is end face B; the end face B of the stiffening plate is lower than the flange edge C on the same side of the web, and the concrete is flush with the flange edge C;

[0004] Although the crack-resistant narrow-flange PEC member reduces the probability of concrete cracking by embedding crack-resistant wire mesh and stiffening plates within the concrete, the wire mesh can reduce plastic deformation and local stress concentration caused by concrete aggregate settlement. However, the crack-resistant wire mesh of this narrow-flange PEC member has limited support effect on the concrete and cannot improve the load-bearing capacity and seismic resistance of the concrete, making the concrete prone to cracking when subjected to external impact.

[0005] Therefore, we propose a crack-resistant narrow-flange PEC precast component. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a crack-resistant narrow-flange PEC precast component, which solves the problem that the existing anti-crack wire mesh has limited support effect on concrete and cannot improve the load-bearing capacity and seismic resistance of concrete, making the concrete prone to cracking when subjected to external impact.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a crack-resistant narrow-flange PEC precast component, comprising an H-beam, wherein concrete is disposed within the H-beam, and stiffening plates and crack-resistant wire mesh are disposed on the H-beam;

[0008] The H-beam includes a left flange, a right flange, and a web. The left and right sides of the web are fixedly installed in the middle of adjacent sides of the left and right flanges, respectively. The semi-enclosed space formed by the left flange, right flange, and web of the H-beam is filled with concrete. Four stiffening plates are provided and symmetrically arranged between the left and right flanges. One end of each of the four stiffening plates is fixedly installed in the middle of the web, and the other end of each of the four stiffening plates is fixedly installed on the side wall of the left and right flanges, respectively. A first reinforcing component is provided between the stiffening plate and the left flange, and the same first reinforcing component is provided between the stiffening plate and the right flange. A second reinforcing component is provided between adjacent stiffening plates, and anti-crack wire mesh is fixedly installed at the top of adjacent stiffening plates.

[0009] Preferably, the first reinforcing component includes a first reinforcing bar and a second reinforcing bar. The first reinforcing bar is fixedly installed on the side wall of the left flange in a linear array. The end of the first reinforcing bar away from the left flange is fixedly installed on the side wall of the stiffening plate. The first reinforcing bar is provided with a second reinforcing bar that is perpendicular to it. The first and second reinforcing bars have high strength and toughness. The load-bearing capacity and seismic resistance of the concrete can be increased by the first and second reinforcing bars.

[0010] Preferably, the first and second reinforcing bars are connected together by binding with steel wire, so as to secure the first and second reinforcing bars together.

[0011] Preferably, the second reinforcing component includes a third reinforcing bar and a fourth reinforcing bar. The two ends of the third reinforcing bar are respectively fixedly installed on the side wall of the adjacent stiffening plate. The third reinforcing bar is distributed in a linear array. The third reinforcing bar is provided with a fourth reinforcing bar that is distributed in a linear array and perpendicular to it. This can further increase the load-bearing capacity and seismic resistance of the concrete.

[0012] Preferably, the third and fourth reinforcing bars are connected together by steel wire binding, so as to fix the third and fourth reinforcing bars together.

[0013] This utility model provides a crack-resistant narrow-flange PEC precast component. It has the following beneficial effects:

[0014] This crack-resistant narrow-flange PEC precast component uses stiffening plates to support the edges of the left and right flanges, thereby reducing the pressure on the concrete and protecting it. The first and second reinforcing components enhance the concrete's load-bearing capacity and seismic resistance. The ductility of the first, second, third, and fourth reinforcing bars effectively prevents concrete cracking and deformation, increasing the overall stability and durability of the structure. This achieves the goal of improving the concrete's load-bearing capacity and seismic resistance, effectively preventing concrete cracking. It solves the problem that existing crack-resistant wire mesh devices have limited support for concrete and cannot improve its load-bearing capacity and seismic resistance, leading to easy cracking when subjected to external impacts. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a side view of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the planar structure of the present invention;

[0018] Figure 4 This is a schematic diagram of the structure of the first and second reinforcing components of this utility model.

[0019] In the diagram: 1. H-beam; 11. Left flange; 12. Right flange; 13. Web; 2. Stiffening plate; 3. Crack-resistant wire mesh; 4. First reinforcing component; 41. First reinforcing bar; 42. Second reinforcing bar; 5. Second reinforcing component; 51. Third reinforcing bar; 52. Fourth reinforcing bar. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1:

[0022] like Figure 1-4As shown: The structure includes an H-beam 1, which is filled with concrete. Stiffening plates 2 and crack-resistant wire mesh 3 are installed on the H-beam 1. The H-beam 1 includes a left flange 11, a right flange 12, and a web 13. The left and right sides of the web 13 are fixedly installed in the middle of adjacent sides of the left flange 11 and the right flange 12, respectively. The semi-enclosed space formed by the left flange 11, the right flange 12, and the web 13 of the H-beam 1 is filled with concrete. Four stiffening plates 2 are symmetrically arranged between the left flange 11 and the right flange 12. One end of each stiffening plate 2 is fixedly installed in the middle of the web 13, and the other ends are fixedly installed in the left flange 11 and the right flange 12, respectively. On the side wall, a first reinforcing component 4 is provided between the stiffening plate 2 and the left flange 11, and the same first reinforcing component 4 is provided between the stiffening plate 2 and the right flange 12. A second reinforcing component 5 is provided between adjacent stiffening plates 2. Crack-resistant steel wire mesh 3 is fixedly installed at the top of adjacent stiffening plates 2. The stiffening plates 2 can support the edges of the left flange 11 and the right flange 12, thereby reducing the pressure on the concrete and protecting it. The first reinforcing component 4 and the second reinforcing component 5 improve the load-bearing capacity and seismic resistance of the concrete, thus achieving the purpose of improving the load-bearing capacity and seismic resistance of the concrete and helping to avoid the occurrence of concrete cracking.

[0023] Example 2:

[0024] like Figure 1-4 As shown: The first reinforcing component 4 includes a first reinforcing bar 41 and a second reinforcing bar 42. The first reinforcing bar 41, which is linearly arrayed, is fixedly installed on the side wall of the left flange 11. The end of the first reinforcing bar 41 away from the left flange 11 is fixedly installed on the side wall of the stiffening plate 2. The first reinforcing bar 41 is provided with a second reinforcing bar 42 that is perpendicular to it. The first reinforcing bar 41 and the second reinforcing bar 42 are connected together by steel wire. The second reinforcing component 5 includes a third reinforcing bar 51 and a fourth reinforcing bar 52. The two ends of the third reinforcing bar 51 are fixedly installed on the side walls of the adjacent stiffening plates 2. The third reinforcing bar 51 is linearly arrayed. The third reinforcing bar 51 is provided with a fourth reinforcing bar 52 that is linearly arrayed and perpendicular to it. The third reinforcing bar 51 and the fourth reinforcing bar 52 are connected together by steel wire. The ductility of the first reinforcing bar 41, the second reinforcing bar 42, the third reinforcing bar 51 and the fourth reinforcing bar 52 can effectively prevent cracking and deformation of concrete, and increase the stability and durability of the entire structure.

[0025] The working principle and usage process of this utility model: When using this crack-resistant narrow-flange PEC precast component, concrete is filled into the semi-enclosed space formed by the left flange 11, right flange 12 and web 13 of the H-beam 1. The stiffening plate 2 can support the edges of the left flange 11 and right flange 12, thereby reducing the pressure on the concrete. The first reinforcing component 4 and the second reinforcing component 5 improve the load-bearing capacity and seismic resistance of the concrete. The ductility of the first reinforcing bar 41, the second reinforcing bar 42, the third reinforcing bar 51 and the fourth reinforcing bar 52 can effectively prevent cracking and deformation of the concrete, increasing the stability and durability of the entire structure. The crack-resistant wire mesh 3 can reduce plastic deformation and local stress concentration caused by concrete aggregate settlement.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A crack-resistant narrow-flange PEC precast component, comprising an H-beam (1), wherein concrete is disposed in the H-beam (1), and stiffening plates (2) and crack-resistant wire mesh (3) are disposed on the H-beam (1); Its features are: The H-beam (1) includes a left flange (11), a right flange (12), and a web (13). The left and right sides of the web (13) are fixedly installed in the middle of the adjacent side of the left flange (11) and the right flange (12), respectively. The semi-enclosed space formed by the left flange (11), the right flange (12), and the web (13) of the H-beam (1) is filled with concrete. Four stiffening plates (2) are provided and symmetrically arranged between the left flange (11) and the right flange (12). One end of each of the four stiffening plates (2) is... The four stiffening plates (2) are fixedly installed in the middle of the web plate (13). The other ends of the four stiffening plates (2) are fixedly installed on the side walls of the left flange (11) and the right flange (12), respectively. A first reinforcing component (4) is provided between the stiffening plate (2) and the left flange (11). The same first reinforcing component (4) is provided between the stiffening plate (2) and the right flange (12). A second reinforcing component (5) is provided between adjacent stiffening plates (2). Crack-resistant steel wire mesh (3) is fixedly installed at the top of adjacent stiffening plates (2).

2. The crack-resistant narrow-flange PEC precast component according to claim 1, characterized in that: The first reinforcing component (4) includes a first reinforcing bar (41) and a second reinforcing bar (42). The first reinforcing bar (41) is fixedly installed on the side wall of the left flange (11) in a linear array. The end of the first reinforcing bar (41) away from the left flange (11) is fixedly installed on the side wall of the stiffening plate (2). The first reinforcing bar (41) is provided with a second reinforcing bar (42) that is perpendicular to it.

3. The crack-resistant narrow-flange PEC precast component according to claim 2, characterized in that: The first reinforcing bar (41) and the second reinforcing bar (42) are connected together by binding with steel wire.

4. The crack-resistant narrow-flange PEC precast component according to claim 1, characterized in that: The second reinforcing component (5) includes a third reinforcing bar (51) and a fourth reinforcing bar (52). The two ends of the third reinforcing bar (51) are fixedly installed on the side walls of the adjacent stiffening plate (2). The third reinforcing bar (51) is arranged in a linear array. The third reinforcing bar (51) is provided with a fourth reinforcing bar (52) arranged in a linear array and perpendicular to it.

5. The crack-resistant narrow-flange PEC precast component according to claim 4, characterized in that: The third reinforcing bar (51) and the fourth reinforcing bar (52) are connected together by steel wire.

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