CN217079458U - Floor support plate steel reinforced concrete combined stair - Google Patents
Floor support plate steel reinforced concrete combined stair Download PDFInfo
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- CN217079458U CN217079458U CN202220850019.5U CN202220850019U CN217079458U CN 217079458 U CN217079458 U CN 217079458U CN 202220850019 U CN202220850019 U CN 202220850019U CN 217079458 U CN217079458 U CN 217079458U
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Abstract
A floor support plate steel concrete combined stair comprises a floor support plate, an H-shaped steel ladder oblique beam, an H-shaped steel platform and a step template; the two H-shaped steel ladder sloping beams are arranged in parallel, the truss-type floor bearing plate is arranged between the two H-shaped steel ladder sloping beams, and an H-shaped steel platform is arranged between the tops of the two H-shaped steel ladder sloping beams; the step template is arranged between two side edges of the truss type floor support plate; the floor support plate is an open floor support plate or a closed floor support plate. The utility model can be used as a template by directly using the open or closed floor bearing plate as a stair step plate, thereby providing a firm construction platform and eliminating the trouble of disassembling the template in the traditional process; connect the girder steel with the building carrier plate, have certain toughness because of the building carrier plate, so more traditional concrete stair have better wholeness, and anti-seismic performance is good.
Description
Technical Field
The utility model belongs to the technical field of the construction, in particular to building carrier plate steel concrete combination stair.
Background
According to the construction process of the traditional stair, templates need to be erected on site, steel bars need to be bound, concrete needs to be poured, and the stair is maintained and demoulded and is greatly influenced by external factors. The labor intensity of workers is high, and the accuracy control difficulty is high. The prefabricated stairway in the existing assembly type building is mainly characterized in that the stairway is bound with steel bars in advance in a factory and poured in a mold, then the stairway is transported to the site to hoist the stairway between two rest platforms on the layer, the preformed hole of the stairway is aligned to an embedded part of the rest platform to complete hoisting, and the embedded hole is filled with grouting material to complete assembly of the stairway. Although the assembled stair is more convenient and faster and has simple process compared with the traditional cast-in-place stair, the overall performance of the stair is poorer because steel structure concrete is used as a main structure and only partial prefabrication can be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a building carrier plate steel concrete combination stair to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a floor support plate steel concrete combined stair comprises a floor support plate, an H-shaped steel ladder oblique beam, an H-shaped steel platform and a step template; the two H-shaped steel ladder sloping beams are arranged in parallel, the truss-type floor bearing plate is arranged between the two H-shaped steel ladder sloping beams, and an H-shaped steel platform is arranged between the tops of the two H-shaped steel ladder sloping beams; the step template is arranged between two side edges of the truss type floor support plate;
the floor support plate is an open floor support plate or a closed floor support plate.
Further, the bottoms of the two sides of the floor bearing plate are arranged on the two H-shaped steel ladder oblique beams through welding.
Further, the H-shaped steel platform comprises two H-shaped steel platform beams, and the two H-shaped steel platform beams are vertically welded between the two H-shaped steel ladder oblique beams.
Further, the step template includes the side form board and the template of marking time, and two side form board symmetries set up the both sides at truss type floor carrier plate, and a plurality of templates of marking time equidistant setting are between two side form boards.
Further, the step form and the truss type floor deck are integrally formed into a stair section.
Furthermore, the stair sections are filled with concrete.
Furthermore, the specification of two H-shaped steel platform beams is smaller than that of the H-shaped steel ladder sloping beam, and the length of the two H-shaped steel platform beams is the net length between webs of the H-shaped steel ladder sloping beams on the two sides.
Further, the H-shaped steel platform is arranged horizontally.
Compared with the prior art, the utility model discloses there is following technological effect:
the utility model discloses can do the template with the direct stair bench board that is used as of open type or closed type building carrier plate, provide a firm construction platform, save the trouble that traditional technology dismantled the template
Connect the girder steel with the building carrier plate, because of the building carrier plate has certain toughness, so more traditional concrete stair have better wholeness, and anti-seismic performance is good
The laying speed of the floor bearing plate is high, and the construction speed can be greatly accelerated compared with that of the traditional concrete stair
The floor support plate is adopted as the floor of the stair, and the floor is made of galvanized steel plate, so that the propagation of fire can be blocked to a certain extent, and the fireproof performance is better
Compared with the traditional concrete stairs and prefabricated stairs, the open type floor bearing plate is generally U-shaped, V-shaped and trapezoidal and is used as the tension steel bar of the concrete floor slab, so that the using amount of concrete and partial steel bars can be saved, and the rigidity of the floor slab is improved
Compared with prefabricated stairs, the floor bearing plate concrete combined stair can be more accurate in size control and better in integrity
By adopting the mode, the cast-in-place mode and the assembling mode can be adopted, the actual construction can be directly prefabricated in a factory according to the requirement, and then the prefabricated steel plate is transported to the site for hoisting, the operation difficulty is small, and the construction speed can be improved.
The closed floor bearing plate can be directly used as a stair step plate and can be used as a template, a firm construction platform is provided, and the trouble of disassembling the template in the traditional process is eliminated
Connect the girder steel with the building carrier plate, because of the building carrier plate has certain toughness, so more traditional concrete stair have better wholeness, and anti-seismic performance is good
The laying speed of the floor bearing plate is high, and the construction speed can be greatly accelerated compared with that of the traditional concrete stair
The floor support plate is adopted as the floor of the stair, and the floor is made of galvanized steel plate, so that the propagation of fire can be blocked to a certain extent, and the fireproof performance is better
The closed floor support plate completely replaces the lower layer reinforcing steel bars, so that the manufacturing amount of the reinforcing steel bars on site is reduced, the labor amount on site can be reduced, and the construction speed is accelerated. Meanwhile, the originally designed lower layer reinforcing steel bar is cancelled, and larger space can be provided for laying wire sleeves in the floor slab
Compared with prefabricated stairs, the floor bearing plate concrete combined stair can be more accurate in size control and better in integrity
The closed floor bearing plate is processed in a factory strictly according to a design floor laying drawing, the plate arrangement sequence is numbered, cutting and plate supplement are not needed in site construction, and site installation is facilitated.
When the closed floor bearing plate is arranged, the plate only needs to be arranged in order according to the span, and when the plate is connected with the steel beam in order, the plate bottom is flat and has enough solid area with the steel beam. And thus can be laid down without treatment. No matter with the girder steel is violently taken or in the same direction as taking, homoenergetic and girder steel upper wing board fully combine, therefore girder steel upper wing board top surface need not to spout fire retardant coating.
Drawings
Fig. 1 and fig. 2 are overall structural diagrams before the form removal of the utility model;
FIG. 3 is the overall structure of the utility model after the form removal;
FIG. 4 is an isometric view of the present invention;
fig. 5 is a front view of the present invention;
fig. 6 is a left side view of the present invention;
fig. 7 is a top view of the present invention;
FIG. 8 is a detailed view of the closed floor support plate of the present invention;
FIG. 9 is a detailed view of the open type floor support plate of the present invention;
fig. 10 is a schematic view of the arrangement of the studs of the present invention;
wherein: 1. h-shaped steel ladder sloping beams; 2. a floor deck; 3. concrete; 4. a sideform; 5. a step template; 6. h shaped steel platform roof beam.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1:
a closed floor carrier plate steel reinforced concrete combination stair, which comprises: the closed floor support plate, the H-shaped steel ladder sloping beam, the H-shaped steel platform beam, the concrete, the side template and the step template; the closed type floor bearing plate replaces a traditional stair template and is also used as a step plate and a flat plate, two H-shaped steel beam inclined step beams are fixedly arranged in parallel along two sides of a step section of the closed type floor bearing plate, and two H-shaped steel platform beams are arranged in parallel along the platform and connected with the H-shaped steel inclined step beams; the side formworks are arranged on two sides of the ladder section, and the step formworks are sequentially arranged between the side formworks on the two sides along the inclined ladder section.
The closed floor bearing plate is connected with the H-shaped steel ladder oblique beam and the H-shaped steel platform beam through welding; the two H-shaped steel platform beams are respectively arranged on two sides of the bottom of the closed floor bearing plate at the platform in parallel with the width direction of the platform plate and are welded together with the H-shaped steel inclined beams on the two sides.
The length of H shaped steel ladder sloping roof beam be the length of sloping ladder section and landing slab length sum, the specification of two H shaped steel platform roof beams is slightly less than H shaped steel ladder sloping roof beam, two H shaped steel platform roof beam length be the net length between the H shaped steel ladder sloping roof beam web of both sides.
The side templates are temporarily fixed on two sides of the stair section, and the step templates are sequentially arranged along the inclined stair section according to the steps and are connected with the side templates.
Finally pouring concrete on the closed floor support plate to form a whole with the closed floor support plate, and removing the side forms and the step templates after concrete curing is finished.
Example 2:
an open type floor support plate steel reinforced concrete combined stair comprises: the structure comprises an open type floor support plate, an H-shaped steel ladder sloping beam, an H-shaped steel platform beam, concrete, a side template and a step template; the open type floor bearing plate replaces a traditional stair template and is also used as a step plate and a flat plate, two H-shaped steel beam inclined ladder beams are fixedly arranged in parallel along two sides of a step section of the open type floor bearing plate, and two H-shaped steel platform beams are arranged in parallel along the platform and connected with the H-shaped steel inclined ladder beams; the side formworks are arranged on two sides of the ladder section, and the step formworks are sequentially arranged between the side formworks on the two sides along the inclined ladder section.
The open type floor bearing plate is connected with the H-shaped steel ladder oblique beam and the H-shaped steel platform beam together by welding; two H shaped steel platform roof beams parallel to the landing deck width direction respectively arrange in the opening type building carrier plate bottom both sides of platform department and with the H shaped steel ladder sloping welding of both sides together.
The length of H shaped steel ladder sloping roof beam be the length of sloping ladder section and landing slab length sum, the specification of two H shaped steel platform roof beams is slightly less than H shaped steel ladder sloping roof beam, two H shaped steel platform roof beam length be the net length between the H shaped steel ladder sloping roof beam web of both sides.
The side templates are temporarily fixed on two sides of the stair section, and the step templates are sequentially arranged along the inclined stair section according to the steps and are connected with the side templates.
And finally pouring concrete on the open type floor support plate to form a whole with the open type floor support plate, and removing the side forms and the step templates after concrete curing is finished.
Referring to fig. 1 to 10, a floor support plate steel reinforced concrete combined stair comprises a closed or open floor support plate, an H-shaped steel inclined beam, an H-shaped steel platform beam, concrete, side templates and a step template; do the bench bottom plate and do the die block board with closed type building carrier plate concurrently, arrange along the ladder sloping section, wherein the board rib direction is on a parallel with the width direction of marking time to link together (wherein building carrier plate overlap joint is 50mm at least on the girder steel) through board end and girder steel fusion spot welding with both sides H shaped steel ladder sloping (wherein), adopt the peg and the girder steel to pierce through the fusion welding in the centre, the peg diameter generally should not be greater than 19mm, and should satisfy the standard requirement:
1. the distance between the studs along the axial direction of the beam is not less than 6 times of the diameter of the studs and not more than 4 times of the thickness of the floor slab, and not more than 400mm, and the distance perpendicular to the axial direction of the beam is not less than 4 times of the diameter of the studs and not more than 400 mm;
2. the distance from the center of the stud to the side edge of the upper flange of the steel beam is not less than 35 mm;
3. the thickness of the concrete protective layer on the top surface of the bolt is not less than 15 mm;
4. when the stud positions are not aligned with the web plate of the steel beam, the diameter of the stud rod in a tension area of the upper flange of the steel beam is not more than 1.5 times of the thickness of the upper flange of the steel beam, the diameter of the stud rod in a non-tension area of the upper flange of the steel beam is not more than 2.5 times of the thickness of the upper flange of the steel beam, and the diameter of the stud rod is not more than 0.4 times of the width of the groove of the floor bearing plate;
5. the stud length should not be less than 4 times its rod diameter, and the post-weld stud height h should be greater than the profiled sheet height plus 30mm, and should be less than the profiled sheet thickness plus 75 mm.
The building bearing plates are connected through special clamping pliers meshed pressure holes, special galvanized plug plates, building bearing plates and steel beam spot welding are used for plugs, and two H-shaped steel platform beams are arranged on two sides of a stair rest platform along the width of the platform in parallel and welded with H-shaped steel oblique beams on two sides.
And temporarily fixing the side templates and the step templates on two sides of the H-shaped steel ladder inclined beam, then pouring concrete, and dismantling the side templates and the bottom template after pouring and curing are finished.
Claims (8)
1. A floor support plate steel concrete combined stair is characterized by comprising a floor support plate (2), an H-shaped steel stair oblique beam (1), an H-shaped steel platform and a step template; the two H-shaped steel ladder sloping beams are arranged in parallel, the truss-type floor bearing plate is arranged between the two H-shaped steel ladder sloping beams, and an H-shaped steel platform is arranged between the tops of the two H-shaped steel ladder sloping beams; the step template is arranged between two side edges of the truss type floor support plate;
the floor bearing plate (2) is an open floor bearing plate or a closed floor bearing plate.
2. A floor deck steel reinforced concrete combination stair according to claim 1, characterized in that the bottoms of both sides of the floor deck (2) are arranged on two H-shaped steel ladder stringers by welding.
3. A floor deck steel reinforced concrete combined stair according to claim 1, wherein the H-shaped steel platform comprises two H-shaped steel platform beams (6), and the two H-shaped steel platform beams (6) are vertically welded between the two H-shaped steel stair oblique beams.
4. A floor deck steel reinforced concrete combined stair according to claim 1, wherein the step templates comprise side templates (4) and step templates (5), the two side templates (4) are symmetrically arranged at two sides of the truss type floor deck (2), and the step templates (5) are arranged between the two side templates (4) at equal intervals.
5. A deck plate steel reinforced concrete combination stairway as claimed in claim 1 wherein the step template and truss type deck plate (2) are integrally formed into a stair section.
6. A deck plate steel reinforced concrete combination staircase according to claim 1, characterized in that the staircase sections are filled with concrete (3).
7. A floor bearing plate steel reinforced concrete combined stair according to claim 1, characterized in that the specification of two H-shaped steel platform beams is smaller than that of the H-shaped steel ladder stringers (1), and the length of the two H-shaped steel platform beams is the net length between webs of the H-shaped steel ladder stringers (1) on two sides.
8. The floor deck steel reinforced concrete combination stair of claim 1, wherein the H-shaped steel platform is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220850019.5U CN217079458U (en) | 2022-04-13 | 2022-04-13 | Floor support plate steel reinforced concrete combined stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220850019.5U CN217079458U (en) | 2022-04-13 | 2022-04-13 | Floor support plate steel reinforced concrete combined stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217079458U true CN217079458U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220850019.5U Active CN217079458U (en) | 2022-04-13 | 2022-04-13 | Floor support plate steel reinforced concrete combined stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217079458U (en) |
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2022
- 2022-04-13 CN CN202220850019.5U patent/CN217079458U/en active Active
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