Stair structure

Abstract

The utility model relates to the technical field of building structure engineering, aims to solve the problem of how to optimize the structure of a scissor ladder, and provides a stair structure. The stair structure comprises a first stair beam, a second stair beam and stair flight plates. The first ladder beam is used for being fixedly connected with a shear wall. The second ladder beams and the first ladder beams are arranged at intervals, and the second ladder beams are used for being fixedly connected with a shear wall. The stair flight plates comprise longitudinal load-bearing steel bars, one ends of the longitudinal load-bearing steel bars are fixedly connected with the first stair beams, the other ends of the longitudinal load-bearing steel bars are fixedly connected with the second stair beams, and loads of the stair flight plates are transmitted to the shear walls through the first stair beams and the second stair beams. According to the stair structure provided by the embodiment, the longitudinal load-bearing steel bars of the stair flight plates are fixedly connected with the first stair beam and the second stair beam, so that the load of the stair flight plates is transmitted to the shear wall through the first stair beam and the second stair beam, and therefore, the stair structure provided by the embodiment is simple in force transmission path and does not need to bear the load through an oblique beam; therefore, the effect of optimizing the structure of the scissor ladder is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of building structure engineering, and in particular to staircase structures. Background Art

[0002] When designing the building, the scissor ladder forms a shape similar to a scissors cross between different floors. The stair platform on each floor serves the upward and downward directions respectively, thereby achieving efficient use of area in the same vertical space and providing two relatively independent vertical evacuation channels.

[0003] In the prior art, scissor ladders include beam-type stairs. The inclined beams of beam-type stairs affect the appearance and width of the stairs. How to optimize the structure of the scissor ladder is something that technical personnel in this field need to consider. Utility Model Content

[0004] The present application provides a staircase structure to solve the problem of how to optimize the structure of a scissor ladder.

[0005] An embodiment of the present application provides a staircase structure, comprising a first ladder beam, a second ladder beam and a ladder section plate. The first ladder beam is used to be fixedly connected to a shear wall. The second ladder beam is spaced apart from the first ladder beam, and the second ladder beam is used to be fixedly connected to the shear wall. The ladder section plate comprises a longitudinal stress-bearing steel bar, one end of the longitudinal stress-bearing steel bar is fixedly connected to the first ladder beam, and the other end is fixedly connected to the second ladder beam, and the load of the ladder section plate is transmitted to the shear wall through the first ladder beam and the second ladder beam.

[0006] Compared with the prior art, the stair structure provided in the present embodiment is fixedly connected to the shear wall through the first stair beam and the second stair beam respectively, the stair section plate is arranged between the first stair beam and the second stair beam, and the longitudinal force-bearing steel bars of the stair section plate are fixedly connected to the first stair beam and the second stair beam, so that the load of the stair section plate is transmitted to the shear wall through the first stair beam and the second stair beam. Therefore, the force transmission path of the stair structure provided in the present embodiment is simple, the stair structure does not need to bear the load through the inclined beam, the stair structure is simple and beautiful, and the width of the stairs is not limited by the inclined beam, so as to achieve the effect of optimizing the structure of the scissors ladder.

[0007] In a possible implementation, the stair section plate further includes concrete, and the concrete is integrally connected to the longitudinal stress-bearing steel bars.

[0008] In a possible implementation, the stair structure further includes a rest platform, one end of the rest platform is fixedly connected to the shear wall, and the other end of the rest platform is fixedly connected to the first ladder beam or the second ladder beam.

[0009] In a possible implementation, the stair structure further includes a tread, and the tread is arranged on the stair section plate.

[0010] In a possible implementation, the stair structure has a third ladder beam, the third ladder beam is arranged between the second ladder beam and the first ladder beam, the third ladder beam is fixedly connected to the shear wall, and the third ladder beam is fixedly connected to the middle part of the stair section plate.

[0011] In a possible implementation manner, a plurality of stair segment plates are provided, and at least two of the stair segment plates are fixedly connected to the third stair beam.

[0012] In a possible implementation, the shear wall includes a first wall, a second wall, a third wall and a fourth wall arranged in sequence, the first wall and the third wall are arranged opposite to each other, the second wall and the fourth wall are arranged opposite to each other, and one end of the third ladder beam is fixedly connected to the second wall, and the other end is fixedly connected to the fourth wall.

[0013] In a possible implementation manner, the first ladder beam is close to the first wall and fixedly connected to the second wall; the second ladder beam is close to the third wall and fixedly connected to the second wall.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0015] 1. The staircase structure provided in this embodiment is fixedly connected with the first ladder beam and the second ladder beam through the longitudinal force-bearing steel bars of the stair section plate, so that the load of the stair section plate is transmitted to the shear wall through the first ladder beam and the second ladder beam. Therefore, the force transmission path of the staircase structure provided in this embodiment is simple, and the staircase structure does not need to bear the load through the inclined beam. The staircase structure is simple and beautiful, and the width of the staircase is not limited by the inclined beam, so as to achieve the effect of optimizing the structure of the scissor ladder;

[0016] 2. The staircase structure provided in this embodiment is formed by casting concrete and longitudinal stress-bearing steel bars to improve the strength of the stair section plate, thereby reducing the thickness of the stair section plate and reducing the deadweight of the staircase structure, so as to achieve the effect of optimizing the structure of the scissors ladder and have good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A schematic structural diagram of a staircase structure according to an embodiment of the present application;

[0019] Figure 2 A schematic structural diagram of a staircase structure according to another embodiment of the present application;

[0020] Figure 3 for Figure 2 A partial structural diagram of a staircase structure;

[0021] Figure 4 for Figure 2 Schematic diagram of the staircase structure.

[0022] Description of main component symbols:

[0023] 1. Stair structure; 11. First stair beam; 12. Second stair beam; 13. Third stair beam; 14. Stair slab; 141. Longitudinal stress-bearing steel bars; 142. Concrete; 15. Resting platform; 16. Step slab; 2. Shear wall; 21. First wall; 22. Second wall; 23. Third wall; 24. Fourth wall. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0025] Some embodiments of the present application are described in detail. In the absence of conflict, the following embodiments and features of the embodiments can be combined with each other.

[0026] Example

[0027] See also Figures 1 to 4 As shown, this embodiment provides a staircase structure 1, including a first ladder beam 11, a second ladder beam 12 and a ladder plate 14. The first ladder beam 11 is used to be fixedly connected to the shear wall 2. The second ladder beam 12 is spaced apart from the first ladder beam 11, and the second ladder beam 12 is used to be fixedly connected to the shear wall 2. The ladder plate 14 includes a longitudinal stress-bearing steel bar 141, one end of the longitudinal stress-bearing steel bar 141 is fixedly connected to the first ladder beam 11, and the other end is fixedly connected to the second ladder beam 12, and the load of the ladder plate 14 is transmitted to the shear wall 2 through the first ladder beam 11 and the second ladder beam 12.

[0028] The stair structure 1 provided in the present embodiment is fixedly connected to the shear wall 2 through the first stair beam 11 and the second stair beam 12 respectively, and the stair section plate 14 is arranged between the first stair beam 11 and the second stair beam 12. The longitudinal force-bearing steel bars 141 of the stair section plate 14 are fixedly connected to the first stair beam 11 and the second stair beam 12, so that the load of the stair section plate 14 is transmitted to the shear wall 2 through the first stair beam 11 and the second stair beam 12. Therefore, the stair structure 1 provided in the present embodiment has a simple force transmission path, and the stair structure 1 does not need to bear the load through the inclined beam. The stair structure 1 is simple and beautiful, and the stair width is not limited by the inclined beam, so as to optimize the structure of the scissors ladder.

[0029] In this embodiment, one end of the longitudinal stress-bearing steel bar 141 is fixedly connected to the first ladder beam 11, and the other end is fixedly connected to the second ladder beam 12, so that the load borne by the ladder section plate 14 is transmitted to the first ladder beam 11 and the second ladder beam 12 through the longitudinal stress-bearing steel bar 141, and the first ladder beam 11 and the second ladder beam 12 then transmit the load borne by the ladder section plate 14 to the shear wall 2. By setting the longitudinal stress-bearing steel bar 141 to bear force, the thickness of the ladder section plate 14 can be reduced, thereby optimizing the structure of the scissors ladder.

[0030] In a possible implementation, the stair slab 14 further includes concrete 142 , and the concrete 142 is integrally connected to the longitudinal stress-bearing steel bars 141 .

[0031] In this embodiment, the stair section plate 14 is made of reinforced concrete 142 , wherein one end of the longitudinal stress-bearing steel bar 141 is fixedly connected to the first stair beam 11 , and the other end is fixedly connected to the second stair beam 12 , so as to improve the strength of the stair section plate 14 .

[0032] In a possible implementation, the stair structure 1 further includes a resting platform 15 , one end of the resting platform 15 is fixedly connected to the shear wall 2 , and the other end of the resting platform 15 is fixedly connected to the first ladder beam 11 or the second ladder beam 12 .

[0033] In this embodiment, a plurality of resting platforms 15 are provided, and the resting platforms 15 are respectively provided at the positions of the first ladder beam 11 and the second ladder beam 12. The resting platform 15 is fixedly connected to the shear wall 2, and the shear wall 2 shares the load of the resting platform 15 borne by the first ladder beam 11 or the second ladder beam 12, thereby optimizing the structure of the scissor ladder.

[0034] In a possible implementation, the stair structure 1 further includes a tread 16 , and the tread 16 is disposed on the stair section plate 14 .

[0035] In this embodiment, the stair structure 1 is provided with treads 16 on the stair section plate 14 to facilitate walking, thereby optimizing the structure of the scissors ladder.

[0036] In one possible implementation, combining Figure 2 As shown, the stair structure 1 has a third ladder beam 13 , which is disposed between the second ladder beam 12 and the first ladder beam 11 , and is fixedly connected to the shear wall 2 , and is fixedly connected to the middle of the stair section plate 14 .

[0037] In this embodiment, the stair structure 1 further supports the stair section plate 14 by disposing a third stair beam 13 between the second stair beam 12 and the first stair beam 11, and the third stair beam 13 is disposed in the middle of the stair section plate 14, so as to improve the bearing capacity of the stair section plate 14, thereby optimizing the structure of the scissors ladder.

[0038] In a possible implementation manner, a plurality of stair segment plates 14 are provided, and at least two stair segment plates 14 are fixedly connected to the third stair beam 13 .

[0039] In this embodiment, the stair structure 1 supports the stair section plate 14 through the third stair beam 13, so that a plurality of stair section plates 14 are respectively arranged on both sides of the third stair beam 13 to increase the walking space of the stair structure 1, thereby optimizing the structure of the scissor ladder.

[0040] In a possible embodiment, the shear wall 2 includes a first wall 21, a second wall 22, a third wall 23 and a fourth wall 24 arranged in sequence, the first wall 21 and the third wall 23 are arranged opposite to each other, the second wall 22 and the fourth wall 24 are arranged opposite to each other, and one end of the third ladder beam 13 is fixedly connected to the second wall 22, and the other end is fixedly connected to the fourth wall 24.

[0041] In this embodiment, both ends of the third ladder beam 13 are fixedly connected to the shear wall 2 respectively, so as to improve the bearing capacity of the third ladder beam 13 .

[0042] In a possible implementation manner, the first ladder beam 11 is close to the first wall 21 and fixedly connected to the second wall 22 ; the second ladder beam 12 is close to the third wall 23 and fixedly connected to the second wall 22 .

[0043] The stair structure 1 provided in this embodiment is fixedly connected to the first ladder beam 11 and the second ladder beam 12 through the longitudinal stress-bearing steel bars 141 of the stair section plate 14, so that the load of the stair section plate 14 is transmitted to the shear wall 2 through the first ladder beam 11 and the second ladder beam 12. Therefore, the stair structure 1 provided in this embodiment has a simple force transmission path, and the stair structure 1 does not need to bear the load through the inclined beam to optimize the structure of the scissors ladder. The stair structure 1 provided in this embodiment is cast by concrete 142 and longitudinal stress-bearing steel bars 141 to improve the strength of the stair section plate 14, thereby reducing the thickness of the stair section plate 14 and reducing the self-weight of the stair structure 1 to optimize the structure of the scissors ladder, which has good economic benefits.

[0044] The above implementation modes are only used to illustrate the technical solutions of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the above preferred implementation modes, a person skilled in the art should understand that the technical solutions of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A staircase structure, characterized in that: include: The first ladder beam is used for fixed connection with the shear wall; a second ladder beam, spaced apart from the first ladder beam, the second ladder beam being used for being fixedly connected to the shear wall; The stair section plate comprises longitudinal stress-bearing steel bars, one end of which is fixedly connected to the first ladder beam, and the other end of which is fixedly connected to the second ladder beam. The load of the stair section plate is transmitted to the shear wall through the first ladder beam and the second ladder beam.

2. The staircase structure according to claim 1, characterized in that: The stair section plate also includes concrete, and the concrete is integrally connected with the longitudinal stress-bearing steel bars.

3. The staircase structure according to claim 1, characterized in that: Also includes: A resting platform, one end of which is fixedly connected to the shear wall, and the other end of which is fixedly connected to the first ladder beam or the second ladder beam.

4. The staircase structure according to claim 1, characterized in that: Also includes: A tread plate is arranged on the stair step plate.

5. The staircase structure according to claim 1, characterized in that: Also includes: A third ladder beam, wherein the third ladder beam is arranged between the second ladder beam and the first ladder beam, the third ladder beam is fixedly connected to the shear wall, and the third ladder beam is fixedly connected to the middle part of the ladder section plate.

6. The staircase structure according to claim 5, characterized in that: There are multiple stair section plates, and at least two of the stair section plates are fixedly connected to the third stair beam.

7. The staircase structure according to claim 5, characterized in that: The shear wall includes a first wall, a second wall, a third wall and a fourth wall which are arranged in sequence, the first wall and the third wall are arranged opposite to each other, the second wall and the fourth wall are arranged opposite to each other, one end of the third ladder beam is fixedly connected to the second wall, and the other end is fixedly connected to the fourth wall.

8. The staircase structure according to claim 7, characterized in that: The first ladder beam is close to the first wall and fixedly connected to the second wall; the second ladder beam is close to the third wall and fixedly connected to the second wall.

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