CN210086685U - Prefabricated staircase and connection structure of prefabricated staircase and floor slab - Google Patents
Prefabricated staircase and connection structure of prefabricated staircase and floor slab Download PDFInfo
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- CN210086685U CN210086685U CN201920322445.XU CN201920322445U CN210086685U CN 210086685 U CN210086685 U CN 210086685U CN 201920322445 U CN201920322445 U CN 201920322445U CN 210086685 U CN210086685 U CN 210086685U
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- prefabricated staircase
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Abstract
The utility model discloses a prefabricated staircase and this stair and floor connection structure, wherein, a prefabricated staircase, including last flat step, the multistage rank of marking time and lower flat step, go up flat step and be equipped with pre-buried floor connection structure down on the flat step, it is multistage the side of stepping on the step is equipped with pre-buried wall connection structure. The embedded floor slab connecting structure comprises embedded holes which are embedded in the upper flat step and the lower flat step respectively, and floor slab connecting bolts penetrate through the embedded holes. The embedded wall connecting structure comprises an embedded groove arranged on the side face of the stepping step, and a side wall connecting rib is arranged in the embedded groove in a penetrating mode. The utility model provides a prefabricated staircase and this stair and floor connection structure, its structure is simple and clear, and joint strength is high, and the function is various, makes things convenient for the site operation.
Description
Technical Field
The utility model relates to a prefabricated staircase and this stair and floor connection structure.
Background
The stair is one of very important structural components in the residential building structure, mainly comprise stair boards and landing, wherein, the stair boards are divided into cast-in-place type and prefabricated type, the cast-in-place stair boards can give full play to the plasticity of reinforced concrete, the structural integrity is good, it is suitable for extensively, but have the shortcomings such as difficult formwork erection, consume great, from great and construction cycle length, and the prefabricated stair boards have the advantages such as simple construction, low cost, short construction cycle because of adopting the manufacturing method of making first and then transporting to the construction site to install, but, because the weight of prefabricated stair boards is heavy and there is not a dedicated hoisting position, lead to the transportation, hoist and install difficulty of prefabricated stair boards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a prefabricated staircase and this stair and floor connection structure.
In order to achieve the purpose, the method is realized by the following technical scheme:
the utility model provides a prefabricated staircase, includes flat step, multistage step and the flat step down of marking time, go up flat step and be equipped with pre-buried floor connection structure down on the flat step, it is multistage step's side is equipped with pre-buried wall connection structure.
Preferably, the pre-buried floor slab connection structure comprises pre-buried holes pre-buried in the upper flat step and the lower flat step respectively, and floor slab connection bolts penetrate through the pre-buried holes.
Preferably, the embedded hole comprises a cavity section and a plugging section, the plugging section is located at the top of the cavity section, grouting is conducted in the cavity section, and the plugging section is plugged through mortar.
Preferably, the upper flat step and the lower flat step are internally provided with reserved hole reinforcing ribs, and the reserved hole reinforcing ribs are arranged at the embedded holes.
Preferably, the embedded wall connecting structure comprises an embedded groove arranged on the side surface of the stepping step, and a side wall connecting rib is arranged in the embedded groove in a penetrating mode.
Preferably, the length direction of the embedded groove is provided with a stroke inner groove, and the plurality of side wall connecting ribs are arranged in the stroke inner groove in an adjustable penetrating mode.
Preferably, step support ribs and lifting point reinforcing ribs are arranged in the step.
Preferably, a plurality of anti-skid concave strips are arranged on the surface of each step.
Preferably, the corner between the upper surface and the side vertical surface of each step is provided with an anti-skid chamfer.
The utility model discloses prefabricated staircase's beneficial effect includes:
1) the prefabricated staircase can be conveniently connected with the floor through the embedded floor connecting structure, and meanwhile can be connected with the side wall through the embedded wall connecting structure, so that the prefabricated staircase is multifunctional;
2) the embedded hole is matched with the floor slab connecting bolt to form an embedded floor slab connecting structure, grouting and plugging can be conveniently performed in the embedded hole, and the connecting strength and the sealing performance are high;
3) the reserved hole reinforcing rib is beneficial to reinforcing the reserved hole;
4) the embedded groove is provided with the side wall connecting ribs to form a pre-embedded wall connecting structure, and a stroke inner groove is formed in the embedded groove so as to facilitate the adjustment of the positions and the intervals of the plurality of side wall connecting ribs;
5) step supporting ribs and hanging point reinforcing ribs are arranged in the stepping steps to enhance the strength of the stepping steps;
6) the antiskid concave strip and the antiskid chamfer on the surface of the tread step can enhance the antiskid property of the tread.
The utility model provides a prefabricated staircase and floor connection structure, includes like foretell prefabricated staircase, go up the platform rank and down the platform rank respectively through pre-buried floor connection structure is connected from top to bottom with the floor, go up the flat step and down the platform rank epirelief be equipped with the floor splice bar and then with floor horizontal connection.
Preferably, the floor slab comprises a platform beam, a building surface layer and a cast-in-place slab layer, the platform beam is arranged at the end part of the cast-in-place slab layer, the building surface layer is arranged on the cast-in-place slab layer, the floor slab connecting rib is connected to the building surface layer, and the floor slab connecting bolt of the embedded floor slab connecting structure is connected to the platform beam.
Preferably, a leveling layer is arranged between the upper flat step or the lower flat step and the platform beam.
Preferably, a polyphenyl filling layer is arranged between the upper flat step or the lower flat step and the cast-in-place slab layer.
The utility model discloses prefabricated staircase includes with floor connection structure's beneficial effect:
the floor slab is connected with the floor slab vertically and horizontally through the embedded floor slab connecting structure and the floor slab connecting ribs, so that the connection is firmer and the stress capacity is stronger.
Drawings
Fig. 1 is the overall structure schematic diagram of the prefabricated staircase of the utility model.
Fig. 2 is a schematic side view of the internal structure of fig. 1.
Fig. 3 is an enlarged schematic view corresponding to the area a in fig. 2.
Fig. 4 is the utility model discloses prefabricated staircase and floor connection structure's schematic diagram.
Fig. 5 is an enlarged structural diagram corresponding to the area B in fig. 4.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, the prefabricated staircase comprises an upper platform step 1, a plurality of stages of stepping steps 2 and a lower platform step 3, wherein the upper platform step 1 and the lower platform step 3 are provided with embedded floor slab connecting structures, and the side surfaces of the plurality of stages of stepping steps 2 are provided with embedded wall connecting structures. The prefabricated staircase is internally provided with a steel bar pouring structure which comprises longitudinal and transverse staircase steel bars, stirrups and the like.
Referring to fig. 3, the pre-buried floor slab connection structure includes pre-buried holes 4 pre-buried in the upper flat step 1 and the lower flat step 3, and floor slab connection bolts 5 penetrate through the pre-buried holes 4.
The embedded hole 4 comprises a cavity section 6 and a plugging section 7, the plugging section is located at the top of the cavity section, the cavity section 6 is filled with grout, and the plugging section 7 is plugged with mortar. Meanwhile, a reserved hole reinforcing rib 8 is arranged in the upper flat step 1 and the lower flat step 3, and the reserved hole reinforcing rib 8 is arranged at the position of the pre-buried hole 4.
The embedded wall connecting structure comprises an embedded groove 9 arranged on the side surface of the stepping step 2, and a side wall connecting rib 10 penetrates through the embedded groove 9. Specifically, the length direction of the embedded groove 9 is provided with a stroke inner groove 11, and the plurality of side wall connecting ribs 10 are arranged in the stroke inner groove 11 in an adjustable penetrating mode.
On the other hand, in order to enhance the stress strength of the step 2, a step support rib 12 and a lifting point reinforcing rib 13 are arranged in the step 2.
In addition, in order to enhance the anti-skid performance of the stepping steps 2, a plurality of anti-skid concave strips 14 are arranged on the surface of each stepping step 2. And an anti-skid chamfer 15 is arranged at the corner between the upper surface and the side vertical surface of each step 2.
On this basis, as shown in fig. 4 to 5, this application still has prefabricated stair and floor connection structure, including as foretell prefabricated stair, go up flat step 1 and down flat step 3 passes through respectively pre-buried floor connection structure is connected from top to bottom with floor 99, go up flat step 1 and down the 3 epirelief of platform step be equipped with floor splice bar 16 and then with floor 99 horizontal connection.
As shown in fig. 4, the floor slab 99 includes a platform beam 98, a building surface layer 97, and a cast-in-place slab layer 96, the platform beam 98 is disposed at an end portion of the cast-in-place slab layer 96, the building surface layer 97 is disposed on the cast-in-place slab layer 96, the floor slab connection rib 16 is connected to the building surface layer 97, and the floor slab connection bolt 5 of the embedded floor slab connection structure is connected to the platform beam 98.
Referring to fig. 5, a leveling layer 17 is disposed between the upper flat step 1 or the lower flat step 3 and the platform beam 98. And a polyphenyl filling layer 18 is arranged between the upper flat step 1 or the lower flat step 3 and the cast-in-place slab.
The utility model provides a prefabricated staircase and this stair and floor connection structure, its structure is simple and clear, and joint strength is high, and the function is various, makes things convenient for the site operation.
The embodiments of the present invention are only used for illustration, and do not limit the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.
Claims (13)
1. The utility model provides a prefabricated staircase, its characterized in that, includes last flat step, multistage step and lower flat step of marking time, go up flat step and be equipped with pre-buried floor connection structure down on the flat step, it is multistage step's side is equipped with pre-buried wall connection structure.
2. The prefabricated staircase of claim 1, wherein the pre-buried floor slab connection structure comprises pre-buried holes pre-buried in the upper and lower steps, respectively, and floor slab connection bolts are inserted into the pre-buried holes.
3. The prefabricated staircase of claim 2, wherein the pre-buried hole comprises a cavity section and a plugging section, the plugging section is positioned at the top of the cavity section, the cavity section is grouted, and the plugging section is plugged by mortar.
4. The prefabricated staircase of claim 2, wherein the upper and lower flat steps are provided with hole-reserving reinforcing ribs, and the hole-reserving reinforcing ribs are arranged at the pre-buried holes.
5. The prefabricated staircase of claim 1, wherein the pre-embedded wall connecting structure comprises pre-embedded grooves formed in the side surfaces of the tread steps, and side wall connecting ribs penetrate through the pre-embedded grooves.
6. The precast stair of claim 5, wherein a stroke inner groove is formed in the embedded groove in the length direction, and a plurality of side wall connecting ribs are adjustably arranged in the stroke inner groove in a penetrating mode.
7. The prefabricated staircase of claim 1, wherein step support ribs and hanging point reinforcing ribs are provided in the tread steps.
8. The prefabricated staircase of claim 1, wherein the tread steps of each step are provided with anti-slip concave strips on the surface.
9. The prefabricated staircase of claim 8, wherein each tread step is provided with anti-slip chamfers at corners between the upper surface and the side elevations.
10. A prefabricated staircase and floor slab connection structure, comprising the prefabricated staircase according to any one of claims 1 to 9, wherein the upper platform step and the lower platform step are respectively connected with the floor slab up and down through the embedded floor slab connection structure, and floor slab connection ribs are convexly arranged on the upper platform step and the lower platform step so as to be horizontally connected with the floor slab.
11. The precast stair and floor slab connection structure of claim 10, wherein the floor slab comprises a platform beam, a building surface layer and a cast-in-place slab layer, the platform beam is arranged at an end of the cast-in-place slab layer, the building surface layer is arranged on the cast-in-place slab layer, the floor slab connection rib is connected to the building surface layer, and the floor slab connection bolt of the embedded floor slab connection structure is connected to the platform beam.
12. The precast stair and floor slab connection structure of claim 11, wherein a leveling layer is provided between the upper flat step or the lower flat step and the platform beam.
13. The precast stair and floor slab connection structure of claim 12, wherein a polyphenyl filling layer is provided between the upper flat step or the lower flat step and the cast-in-place slab.
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CN201920322445.XU CN210086685U (en) | 2019-03-14 | 2019-03-14 | Prefabricated staircase and connection structure of prefabricated staircase and floor slab |
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CN201920322445.XU CN210086685U (en) | 2019-03-14 | 2019-03-14 | Prefabricated staircase and connection structure of prefabricated staircase and floor slab |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110158879A (en) * | 2019-05-19 | 2019-08-23 | 北京工业大学 | A kind of assembled vibration damping stair of built-in bidirectional damper particle |
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2019
- 2019-03-14 CN CN201920322445.XU patent/CN210086685U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110158879A (en) * | 2019-05-19 | 2019-08-23 | 北京工业大学 | A kind of assembled vibration damping stair of built-in bidirectional damper particle |
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