CN212926777U - Assembled stair of public building - Google Patents
Assembled stair of public building Download PDFInfo
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- CN212926777U CN212926777U CN202021055793.4U CN202021055793U CN212926777U CN 212926777 U CN212926777 U CN 212926777U CN 202021055793 U CN202021055793 U CN 202021055793U CN 212926777 U CN212926777 U CN 212926777U
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- roof beam
- flat section
- middle section
- section ladder
- terraced roof
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Abstract
The utility model discloses a public building assembled stair, including last flat section ladder roof beam, middle section ladder roof beam and lower flat section ladder roof beam, the junction bottom of last flat section ladder roof beam, middle section ladder roof beam and lower flat section ladder roof beam all is provided with the overlap joint crossbeam, overlap joint crossbeam bottom is provided with the structure post, last flat section ladder roof beam top surface and lower flat section ladder roof beam bottom surface all are provided with middle section landing slab, the equal fixedly connected with slide roof beam in the outside of last flat section ladder roof beam, middle section ladder roof beam and lower flat section ladder roof beam, last flat section ladder roof beam, middle section ladder roof beam and lower flat section ladder roof beam are vertical to be provided with the baffle, last flat section ladder roof beam, middle section ladder roof beam and lower flat section ladder roof beam transversely are provided with the step; compared with the prior art, the beneficial effects of the utility model are that: the structural components can be assembled and combined into common straight-through stairs and 90-degree corner stairs of public buildings. Each structural component has definite function, clear relation and firm connection, is suitable for various environments of public buildings and has better durability.
Description
Technical Field
The invention belongs to the technical field of public buildings, and particularly relates to an assembled stair for a public building.
Background
The safety performance of the public building structure is higher than that of a common civil building, the application environment types of the public building are more than those of the civil building, and the construction of the public building needs to occupy public transportation resources.
Known public building stairways include steel structure stairways and reinforced concrete cast-in-place structure stairways. The steel structure stair has the anticorrosive treatment problem, and general structure life is shorter, and reinforced concrete cast-in-place stair has the engineering time long, influences environmental traffic scheduling problem.
At present, the assembled stairway has disclosed a plurality of patents, and the structure is also various, and the difference mainly changes in the structural shape and the material use of the ladder beam, and the structural appearance and the connection mode of the tread board and the ladder beam are different. For example, the CN207739529U patent discloses "an assembled stairway", which is fabricated and assembled by respectively prefabricating prestressed ladder beams and L-shaped step plates. The structural members are connected by pin keys or bolts; the CN205531083U patent discloses "a prefabricated formula assembled stair", adopts the prefabricated ladder beam outward appearance to be the rectangle structure, has set up flier installation anchor. The appearance of the step plate is of a triangular structure, anchoring holes for the anchor bars to penetrate are formed in the step plate, and the platform plate and the ladder beam are combined together in a cast-in-place mode. For public buildings, when the assembled stairway is used for dealing with environments such as large loads, open air and the like, the disclosed patents have certain problems in aspects of environmental adaptability, structural independence, integrity, durability, production, manufacturing, construction, installation and the like, and cannot meet the characteristic requirements of the public buildings, so that the assembled stairway for the public buildings is provided.
Disclosure of Invention
The invention aims to provide a fabricated stair for a public building, which aims to solve the problems of environmental adaptability, structural independence, integrity, durability, production, manufacture, construction and installation and the like of the disclosed patents in the background art, and can not meet the characteristic requirements of the public building.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a public building assembled stair, includes last flat section terraced roof beam, middle section terraced roof beam and lower flat section terraced roof beam, the junction bottom of going up flat section terraced roof beam, middle section terraced roof beam and lower flat section terraced roof beam all is provided with the overlap joint crossbeam, overlap joint crossbeam bottom is provided with the structure post, go up flat section terraced roof beam top surface and lower flat section terraced roof beam bottom surface and all be provided with the middle section landing slab, go up flat section terraced roof beam, middle section terraced roof beam and the equal fixedly connected with slide roof beam in the lower flat section terraced roof beam outside, go up flat section terraced roof beam, middle section terraced roof beam and the equal vertical baffle that is provided with of lower flat section terraced. The upper horizontal section ladder beam, the middle section ladder beam and the lower horizontal section ladder beam are transversely provided with step plates.
Preferably, the structural column is arranged to be of a convex structure, the two sides of the convex edge are provided with the connecting reinforcing steel bars, and the center of the top end of the structural column, which is connected with the structural column, is provided with the splicing hole.
Preferably, the surface of the bottom end of the structural column is provided with four mounting positioning holes.
Preferably, the slide roof beam top is the plane, handrail installation screw has been seted up to slide roof beam top surface, the slide roof beam is provided with the junction of last flat section terraced roof beam, middle section terraced roof beam, lower flat section terraced roof beam and connects the stubble reinforcing bar, the slide roof beam is installed side by side with last flat section terraced roof beam, middle section terraced roof beam, lower flat section terraced roof beam.
Preferably, the step plate is a rectangular flat plate, concave mounting holes are formed in two ends of the step plate, the concrete strength of the step plate is not lower than 120MPa, and the thickness of the step plate is not more than 40 mm.
Preferably, the partition plate is a rectangular flat plate, the height of the partition plate is flush with the top surface of the step, the concrete strength of the partition plate is not lower than 120MPa, and the thickness of the partition plate is not more than 40 mm.
Preferably, the middle section landing slab is the rectangle flat board, middle section landing slab both ends surface is provided with connects the stubble reinforcing bar, the concrete strength of middle section landing slab is not less than 120MPa, the thickness of middle section landing slab is no longer than 60 mm.
A public building fabricated stair construction method comprises a public building fabricated stair, wherein the public building fabricated stair is any one of the public building fabricated stair.
Compared with the prior art, the invention has the beneficial effects that:
(1) the structural components can be assembled and combined into common straight-through stairs and 90-degree corner stairs of public buildings.
(2) Each structural component has definite function, clear relation and firm connection, is suitable for various environments of public buildings and has better durability.
(3) The assembly rate of the ground part of the stair is 100 percent, and the stair is convenient and quick to manufacture, transport, install and disassemble.
Drawings
FIG. 1 is a schematic structural view of a stair side view of a public building of the present invention;
FIG. 2 is a perspective view of the stairway of the present invention;
FIG. 3 is a schematic view of the lap beam configuration of the present invention;
FIG. 4 is a schematic view of a structural column of the present invention;
FIG. 5 is a schematic view of a lower flat section ladder beam structure of the present invention;
FIG. 6 is a schematic view of a middle ladder beam structure of the present invention;
FIG. 7 is a schematic view of the structure of the upper flat ladder beam of the present invention;
FIG. 8 is a schematic view of a lower flat section skid beam configuration of the present invention;
FIG. 9 is a schematic view of a mid-section skid beam configuration of the present invention;
FIG. 10 is a schematic view of the upper flat section skid beam configuration of the present invention;
FIG. 11 is a schematic view of a mid-deck configuration of the present invention;
FIG. 12 is a schematic view of the construction of the step plate and the partition plate of the present invention;
in the figure: 1. overlapping the cross beams; 2. a structural column; 3. an upper flat section ladder beam; 4. a middle section ladder beam; 5. a lower flat section ladder beam; 6. a slideway beam; 7. a middle section platform plate; 8. a partition plate; 9. a step plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, the present invention provides the following technical solutions: the utility model provides a public building assembled stair, including last flat section terraced roof beam 3, middle section terraced roof beam 4 and lower flat section terraced roof beam 5, go up flat section terraced roof beam 3, middle section terraced roof beam 4 all is provided with overlap joint crossbeam 1 with the junction bottom of lower flat section terraced roof beam 5, 1 bottom of overlap joint crossbeam is provided with structure post 2, 3 top surfaces of last flat section terraced roof beam and the 5 bottom surfaces of lower flat section terraced roof beam all are provided with middle section landing slab 7, go up flat section terraced roof beam 3, middle section terraced roof beam 4 and the equal fixedly connected with slide roof beam 6 in the 5 outside of lower flat section terraced roof beam, go up flat section terraced roof beam 3, middle section terraced roof beam 4 and the equal vertical baffle 8 that is provided with of lower flat section terraced roof beam 5, go up flat section terraced roof beam 3, middle section terraced roof beam.
In order to facilitate installation of the structural column 2, in this embodiment, preferably, the structural column 2 is configured to be a convex structure, the convex edges are provided with the connecting reinforcing steel bars on both sides, and the center of the top end of the structural column 2 connected with the structural column is provided with the insertion hole.
In order to fix the structural column 2 conveniently, in this embodiment, preferably, the bottom end surface of the structural column 2 is provided with mounting positioning holes, and the number of the mounting positioning holes is four.
In order to facilitate the installation of the slide way beam 6, in this embodiment, preferably, the top of the slide way beam 6 is a plane, handrail installation screw holes are formed in the surface of the top end of the slide way beam 6, stub connecting steel bars are arranged at the joints of the slide way beam 6 and the upper flat section ladder beam 3, the middle section ladder beam 4 and the lower flat section ladder beam 5, and the slide way beam 6 and the upper flat section ladder beam 3, the middle section ladder beam 4 and the lower flat section ladder beam 5 are installed side by side.
In order to facilitate installation of the tread plate 9, in this embodiment, preferably, the tread plate 9 is a rectangular flat plate, concave installation holes are formed at two ends of the tread plate 9, the concrete strength of the tread plate 9 is not lower than 120MPa, and the thickness of the tread plate 9 is not more than 40 mm.
In order to facilitate the installation of the partition plate 8, in the embodiment, preferably, the partition plate 8 is a rectangular flat plate, the height of the partition plate 8 is flush with the top surface of the step, the concrete strength of the partition plate 8 is not lower than 120MPa, and the thickness of the partition plate 8 is not more than 40 mm.
In order to facilitate the installation of middle section landing slab 7, in this embodiment, it is preferred that middle section landing slab 7 is the rectangle flat board, and 7 both ends surfaces of middle section landing slab are provided with the stubble reinforcing bar, and the concrete strength of middle section landing slab 7 is not less than 120MPa, and the thickness of middle section landing slab 7 is no longer than 60 mm.
The invention provides a construction method of an assembled stair of a public building.
The working principle and the using process of the invention are as follows: after the device is completed, taking the manufacturing of the lap joint beam as an example, the manufacturing process is described as follows:
step one, as shown in fig. 3, weaving a convex reinforcement cage, and extending stubbled reinforcements outwards;
step two: processing a mould according to the requirements of a design drawing, and forming a notch on a template at the position of the jointed reinforcing steel bar;
step three: closing the die, putting the reinforcement cage into the die, and checking that the thickness of the reinforcement protective layer meets the requirement;
step four: mixing concrete according to the design requirement, pouring into a mould, vibrating and eliminating air bubbles;
step five: covering and curing, demoulding after the concrete is finally set, and soaking the concrete in water for curing for not less than 7 days after the strength is more than 20 MPa;
step six: the strength reaches the requirement and then the product is qualified and delivered out of the factory after being inspected; the production process of other components is the same as the construction method of the lap joint beam, and the description is omitted.
Taking a common straight-through stair of a public building as an example, the installation process is explained as follows:
as shown in fig. 1 and 2, it is a form of through stairs common to public buildings.
The method comprises the following steps: firstly, positioning the lap beam 1 in fig. 3 and the structural column 2 in fig. 4;
step two: pouring bar-planting glue into the preformed hole channels of the lap-joint beam 1 and the structural column 2, and inserting a steel bar to form a frame structure whole;
step three: sequentially hoisting a lower flat section ladder beam 5 in the graph 5, a lower flat section slideway in the graph 8, a flat section ladder beam in the graph 6, a flat section slideway in the graph 9, an upper flat section ladder beam in the graph 7, a lower flat section slideway in the graph 10, a partition plate 8 in the graph 12 and a step plate 9, and thus, completing the hoisting operation;
step four: welding the jointed reinforcing steel bars at the joint part of the members;
step five: and (5) installing the template and pouring concrete.
Step six: hoisting the middle platform plate in the figure 11, and welding the jointed reinforcing steel bars at the joint part;
step seven: and (5) installing the template and pouring concrete to finish the assembly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a public building assembled stair, includes last flat section terraced roof beam (3), middle section terraced roof beam (4) and lower flat section terraced roof beam (5), its characterized in that: go up flat section terraced roof beam (3), middle section terraced roof beam (4) and the junction bottom of lower flat section terraced roof beam (5) and all be provided with overlap joint crossbeam (1), overlap joint crossbeam (1) bottom is provided with structure post (2), go up flat section terraced roof beam (3) top surface and lower flat section terraced roof beam (5) bottom surface and all be provided with middle section landing slab (7), go up flat section terraced roof beam (3), middle section terraced roof beam (4) and the equal fixedly connected with slide roof beam (6) in lower flat section terraced roof beam (5) outside, go up flat section terraced roof beam (3), middle section terraced roof beam (4) and the equal vertical baffle (8) that is provided with of lower flat section terraced roof beam (5), go up flat section terraced roof beam (3), middle section terraced roof beam (4) and lower flat section terraced roof beam (5) and all transversely be provided with tread (.
2. A public building fabricated staircase as defined in claim 1, wherein: the structural column (2) is arranged to be of a convex structure, the connecting reinforcing steel bars are arranged on two sides of the convex edge, and the inserting hole is formed in the center of the top end of the structural column (2) connected with the structural column.
3. A public building fabricated staircase as defined in claim 1, wherein: the structure column (2) is characterized in that installation positioning holes are formed in the surface of the bottom end of the structure column, and the number of the installation positioning holes is four.
4. A public building fabricated staircase as defined in claim 1, wherein: the top of the slide beam (6) is a plane, handrail installation screw holes are formed in the top surface of the slide beam (6), stubble connecting reinforcing steel bars are arranged at the joints of the slide beam (6) and the upper flat section ladder beam (3), the middle section ladder beam (4) and the lower flat section ladder beam (5), and the slide beam (6) is installed side by side with the upper flat section ladder beam (3), the middle section ladder beam (4) and the lower flat section ladder beam (5).
5. A public building fabricated staircase as defined in claim 1, wherein: step board (9) are the rectangle flat board, recessed mounting hole has been seted up at step board (9) both ends, the concrete strength of step board (9) is not less than 120MPa, the thickness of step board (9) is no longer than 40 mm.
6. A public building fabricated staircase as defined in claim 1, wherein: baffle (8) are the rectangle flat board, the height and the ladder step top surface parallel and level of baffle (8), the concrete strength of baffle (8) is not less than 120MPa, the thickness of baffle (8) is no longer than 40 mm.
7. A public building fabricated staircase as defined in claim 1, wherein: middle section landing slab (7) are the rectangle flat board, middle section landing slab (7) both ends surface is provided with connects the stubble reinforcing bar, the concrete strength of middle section landing slab (7) is not less than 120MPa, the thickness of middle section landing slab (7) is no longer than 60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021055793.4U CN212926777U (en) | 2020-06-10 | 2020-06-10 | Assembled stair of public building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021055793.4U CN212926777U (en) | 2020-06-10 | 2020-06-10 | Assembled stair of public building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212926777U true CN212926777U (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021055793.4U Active CN212926777U (en) | 2020-06-10 | 2020-06-10 | Assembled stair of public building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212926777U (en) |
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2020
- 2020-06-10 CN CN202021055793.4U patent/CN212926777U/en active Active
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