CN217105887U - Prefabricated integrated configuration beam type stair - Google Patents
Prefabricated integrated configuration beam type stair Download PDFInfo
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- CN217105887U CN217105887U CN202220853751.8U CN202220853751U CN217105887U CN 217105887 U CN217105887 U CN 217105887U CN 202220853751 U CN202220853751 U CN 202220853751U CN 217105887 U CN217105887 U CN 217105887U
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Abstract
A prefabricated combined structure beam type stair comprises a reinforced concrete prefabricated stair and a stair beam; the reinforced concrete prefabricated staircase is fixedly arranged between the two stair girders; the stair beam is a c-shaped steel beam, an H-shaped steel beam or a steel plate. The application provides a prefabricated steel-concrete composite structure beam type stair has combined prefabricated steel stair and prefabricated concrete stair, including girder steel, reinforced concrete prefabricated stair, peg, the girder steel is connected through the peg in advance with prefabricated stair. The prefabricated structure is adopted, so that the factory production can be realized, and the construction waste on the construction site is greatly reduced; because a large amount of work is completed in a factory, the field construction strength is greatly reduced, and the construction period is shortened; the size is standard, and the structural strength is higher than that of a cast-in-place structure.
Description
Technical Field
The utility model belongs to the technical field of the stair structure, in particular to prefabricated integrated configuration beam type stair.
Background
The traditional stair construction process needs to support templates, bind reinforcing steel bars, pour concrete, maintain and remove forms on site, and is greatly influenced by external factors. The labor intensity of workers is high, and the accuracy control difficulty is high. Meanwhile, the conventional fabricated stairway mainly comprises a prefabricated reinforced concrete stairway and a prefabricated steel stairway, and the fabricated stairway is prefabricated in a factory and is directly installed on site, so that the construction is fast and the precision is high.
1. The existing cast-in-place concrete stairway needs to be subjected to processes of erecting a template, binding reinforcing steel bars, pouring concrete, maintaining, removing a template and the like on a use site, and is greatly influenced by external factors. The labor intensity of workers is high, and the accuracy control difficulty is high. And the template can not be used before being detached, so that the vertical transportation efficiency of the floor working face is influenced.
2. The prefabricated reinforced concrete stair is heavy in self-weight and high in field installation requirement.
3. Prefabricated steel stair, it is high with the steel volume, noise is great relatively when using simultaneously, influences the use and experiences.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prefabricated integrated configuration beam type stair to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a prefabricated combined structure beam type stair comprises a reinforced concrete prefabricated stair and a stair beam; the two stair girders are arranged in parallel, and the reinforced concrete prefabricated staircase is fixedly arranged between the two stair girders;
the stair beam is a c-shaped steel beam, an H-shaped steel beam or a steel plate.
Further, the reinforced concrete prefabricated staircase is fixedly arranged between the two stair girders through the studs.
Furthermore, when the stair girders are c-shaped steel girders, a plurality of studs are arranged on the web plates or the flanges of the c-shaped steel girders at equal intervals.
Furthermore, when the stair girders are H-shaped steel girders, a plurality of studs are arranged on the web plates or the flanges of the H-shaped steel girders at equal intervals.
Furthermore, when the stair girders are steel plates, a plurality of studs are arranged on the opposite surfaces of the two steel plates at equal intervals.
Furthermore, both ends of the stair beam are horizontal sections.
Furthermore, two ends of the stair beam are lapped on the stair beam at two ends of the stair section.
Furthermore, bolt holes are formed in the edges of the two side faces or the bottom face of the reinforced concrete prefabricated staircase.
Compared with the prior art, the utility model discloses there is following technological effect:
the invention provides a prefabricated steel-concrete combined structure beam type stair which combines a prefabricated steel stair and a prefabricated concrete stair. The prefabricated structure is adopted, so that the factory production can be realized, and the construction waste on the construction site is greatly reduced; because a large amount of work is completed in a factory, the field construction strength is greatly reduced, and the construction period is shortened; the size is standard, and the structural strength is higher than that of a cast-in-place structure.
The form of the beam type stair with the steel-concrete combined structure is adopted, and compared with a plate type stair, the reinforced concrete stair can reduce the consumption of concrete. For pure steel structure stair, this stair have reduced the quantity of steel, and sound is littleer during the use, uses to experience better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the structure of the stair beam of the present invention;
FIG. 4 is a side view of the stair beam of the present invention;
fig. 5 is a top view of the present invention;
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1 to 5, a prefabricated composite structure beam type staircase includes a reinforced concrete prefabricated staircase and a staircase beam; the two stair girders are arranged in parallel, and the reinforced concrete prefabricated staircase is fixedly arranged between the two stair girders;
the stair beam is a c-shaped steel beam, an H-shaped steel beam or a steel plate.
Example 1:
the application provides a prefabricated integrated configuration beam type stair, including c shaped steel roof beam, reinforced concrete prefabricated staircase, stair side preformed hole, peg. The reinforced concrete stair is connected with the steel beam through the stud arranged on the web plate of the steel beam. The reinforced concrete stair bears the upper portion load, transmits the load to the girder steel on, and the girder steel overlap joint is on the stair roof beam at bench both ends, and the load is transmitted to the stair roof beam by the girder steel on.
The studs are welded at the web plate positions of the steel beams in advance, stud hole positions are reserved at the side edge positions of the reinforced concrete stairs, and the studs are inserted into the reserved hole positions for connection; or the steel beam with the stud and the reinforced concrete stair are cast and formed in one step.
Example 2:
the utility model provides a prefabricated integrated configuration beam type stair, includes C shaped steel roof beam, reinforced concrete prefabricated staircase, stair lower part preformed hole, peg. The reinforced concrete stair is connected with the steel beam through the stud arranged on the upper portion of the steel beam. The reinforced concrete stair bears the upper portion load, transmits the load to the girder steel on, and the girder steel overlap joint is on the stair roof beam at bench both ends, and the load is transmitted to the stair roof beam by the girder steel on.
The studs are welded on the upper parts of the steel beams in advance, stud hole sites are reserved at the lower parts of the reinforced concrete stairs, and the studs are inserted into the reserved hole sites for connection; or the steel beam with the stud and the reinforced concrete stair are cast and formed in one step.
Example 3:
the utility model provides a prefabricated integrated configuration beam type stair, includes H shaped steel roof beam, reinforced concrete prefabricated staircase, stair side preformed hole, peg. The reinforced concrete stair is connected with the steel beam through the stud arranged on the web plate of the steel beam. The reinforced concrete stair bears the upper portion load, transmits the load to the girder steel on, and the girder steel overlap joint is on the stair roof beam at bench both ends, and the load is transmitted to the stair roof beam by the girder steel on.
The studs are welded at the web plate positions of the steel beams in advance, stud hole positions are reserved at the side edge positions of the reinforced concrete stairs, and the studs are inserted into the reserved hole positions for connection; or the steel beam with the stud and the reinforced concrete stair are cast and formed in one step.
Example 4:
the utility model provides a prefabricated integrated configuration beam type stair, includes H shaped steel roof beam, reinforced concrete prefabricated staircase, stair lower part preformed hole, peg. The reinforced concrete stair is connected with the steel beam through the stud arranged on the upper portion of the steel beam. The reinforced concrete stair bears the upper portion load, transmits the load to the girder steel on, and the girder steel overlap joint is on the stair roof beam at bench both ends, and the load is transmitted to the stair roof beam by the girder steel on.
The studs are welded on the upper parts of the steel beams in advance, stud hole sites are reserved at the lower parts of the reinforced concrete stairs, and the studs are inserted into the reserved hole sites for connection; or the steel beam with the stud and the reinforced concrete stair are cast and formed in one step.
Example 5:
the utility model provides a prefabricated integrated configuration beam type stair, includes steel sheet, reinforced concrete prefabricated staircase, stair side preformed hole, peg. The reinforced concrete stairs are connected with the steel beam through the studs arranged on the side edges of the steel plates. The reinforced concrete stair bears the upper portion load, transmits the load to the steel sheet, and the steel sheet is connected on the stair roof beam at bench both ends, and the load is transmitted to the stair roof beam by the girder steel on.
The studs are welded on the side surfaces of the steel plates in advance, stud hole positions are reserved at the side edges of the reinforced concrete stairs, and the studs are inserted into the reserved hole positions for connection; or the steel beam with the stud and the reinforced concrete stair are cast and formed in one step.
And (3) stud: the stud is a high-strength rigid fastener
Beam type stairs: the beam type staircase is characterized in that an inclined beam is arranged on the side surface of an inclined plate of the staircase, two ends of the inclined beam are supported on a cross beam, and the cross beam is supported on a wall or a column between ladders, so that the beam type staircase is formed.
The plate type stairs are: the floor slab is an inclined plate, and two ends of the plate are supported on the platform beams, so the stair is called a plate stair.
Claims (8)
1. A prefabricated combined structure beam type stair is characterized by comprising a reinforced concrete prefabricated stair and a stair beam; the two stair girders are arranged in parallel, and the reinforced concrete prefabricated staircase is fixedly arranged between the two stair girders;
the stair beam is a c-shaped steel beam, an H-shaped steel beam or a steel plate.
2. A prefabricated composite structure beam type staircase according to claim 1, characterized in that the reinforced concrete prefabricated staircase is fixedly arranged between two staircase beams by means of pegs.
3. A prefabricated composite structure beam type staircase according to claim 2, wherein, when the staircase beams are c-shaped steel beams, a plurality of pegs are provided on the web or flange of the c-shaped steel beams at equal intervals.
4. A prefabricated composite structure beam type staircase as claimed in claim 2, wherein, when the staircase beams are H-shaped steel beams, a plurality of studs are provided at equal intervals on the web or flange of the H-shaped steel beams.
5. A prefabricated composite structural beam stairway as claimed in claim 2 wherein, where the stair girders are steel plates, the studs are equally spaced on opposite faces of the two steel plates.
6. A prefabricated composite structural beam stairway as claimed in claim 1 wherein the stair beams are horizontal sections at both ends.
7. A prefabricated composite structural beam type staircase as defined in claim 1, wherein both ends of the staircase beam are overlapped on the staircase beams at both ends of the staircase sections.
8. The prefabricated composite structure beam type staircase according to claim 1, wherein the reinforced concrete prefabricated staircase is provided with bolt holes at both side surfaces or at edges of the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853751.8U CN217105887U (en) | 2022-04-13 | 2022-04-13 | Prefabricated integrated configuration beam type stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853751.8U CN217105887U (en) | 2022-04-13 | 2022-04-13 | Prefabricated integrated configuration beam type stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217105887U true CN217105887U (en) | 2022-08-02 |
Family
ID=82581768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220853751.8U Active CN217105887U (en) | 2022-04-13 | 2022-04-13 | Prefabricated integrated configuration beam type stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217105887U (en) |
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2022
- 2022-04-13 CN CN202220853751.8U patent/CN217105887U/en active Active
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