CN113789924B - Fast-assembly steel structure staircase and installation method - Google Patents
Fast-assembly steel structure staircase and installation method Download PDFInfo
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- CN113789924B CN113789924B CN202111115910.0A CN202111115910A CN113789924B CN 113789924 B CN113789924 B CN 113789924B CN 202111115910 A CN202111115910 A CN 202111115910A CN 113789924 B CN113789924 B CN 113789924B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/035—Stairways consisting of a plurality of assembled modular parts without further support
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
- E04F2011/0212—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete
Abstract
The invention relates to a fast-assembly steel structure stairwell and an installation method thereof, and belongs to the technical field of building construction. The staircase comprises a steel-concrete combined staircase, steel plate shear walls, frame beams, frame columns and external wall boards, wherein the frame beams are uniformly arranged among 2 vertically arranged frame columns side by side, the steel plate shear walls are arranged on the outer sides of the frame beams, the steel-concrete combined staircase is sequentially connected among the 2 oppositely arranged frame columns from bottom to top, and the external wall boards are arranged on the outer sides of the frame beams. The invention has a self-formed stable system, overcomes the problem of synchronous construction of the traditional stairwell and the main structure, leads the construction of the stairwell to be 1-3 layers before the construction of the main structure, solves the vertical traffic problem and improves the construction efficiency of buildings.
Description
Technical Field
The invention relates to a fast-assembly steel structure stairwell and an installation method thereof, and belongs to the technical field of building construction.
Background
The existing stairwell comprises a concrete stairwell and a steel structure stairwell, and the concrete stairwell comprises a cast-in-place reinforced concrete stairwell and an integral stairwell with a precast concrete stairwell. The cast-in-place reinforced concrete stair is a whole formed by casting the stair sections, the platform and the platform beam in situ, and has the advantages of good integrity, high rigidity, firmness, durability and strong earthquake resistance. The cast-in-place reinforced concrete stairs have more field wet operation, need processes such as erecting templates, binding reinforcing steel bars, pouring concrete, maintaining, removing templates and the like on the field, are greatly influenced by external factors, and have high labor intensity and high precision control difficulty; and the template can not be used before being dismantled, the construction period is long, the vertical transportation efficiency of the working surface of the floor is influenced, the pollution is serious, the cost is higher, and the supporting effect can be generated under the action of an earthquake, so that the main body structure is damaged before the earthquake.
In the whole staircase with the precast concrete staircases, the precast concrete staircases are adopted. The precast concrete stairs can realize design standardization, have high production precision, high construction efficiency and quality standard and less common quality problems, and do not need to support templates on site; the shortcoming is that precast concrete stair is from major, requires highly to hoisting equipment, and the wholeness is worse than cast in situ concrete stair. The stair well platform beam and the platform with the precast concrete stairs still mainly adopt cast-in-place, temporary supports and templates are still required to be arranged, and the construction efficiency is low.
The steel structure staircase has high standardization degree, high production precision, high construction efficiency and high quality standard, and does not need templates and supports. However, the steel structure staircase has poor fire resistance and corrosion resistance compared with a concrete structure, low comfort level, high later maintenance cost and poor sound insulation effect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a quick-mounting steel structure staircase, which solves the problems of synchronization and low efficiency of the construction of the current staircase and the construction of floors, and solves the problem of vertical traffic before the construction of a house. The invention avoids the problems of slow site construction and serious pollution of the cast-in-place concrete staircase; the staircase with the precast concrete has the problems of heavy self weight, high requirement on hoisting equipment, inconvenient connection and low construction speed for arranging temporary supports; and the problem of poor durability and comfort of the steel structure stair.
The invention also provides an installation method of the fast-assembly steel structure staircase.
Interpretation of terms:
prefabricating a foundation: the prefabricated member is manufactured in a prefabricated member processing factory, and after maintenance and design strength are achieved, the prefabricated member is transported to a foundation under a column (under a wall) for installation on a construction site.
The technical scheme of the invention is as follows:
a fast-assembly steel structure staircase comprises a steel-concrete combined staircase, steel plate shear walls, frame beams, frame columns and externally-hung wallboards, wherein the frame beams are uniformly arranged among 2 vertically-arranged frame columns side by side, the steel plate shear walls are arranged in the middle of the frame beams, the steel-concrete combined staircase is sequentially connected among the 2 oppositely-arranged frame columns from bottom to top, and the externally-hung wallboards are arranged on the outer sides of the frame beams.
Preferably, the steel-concrete combined stair comprises a stair beam, a stair tread and a platform plate, wherein the stair tread is connected with the platform plate, the stair beam is respectively arranged on two sides of the stair tread and the platform plate, and connecting plates are respectively arranged at two ends of the stair beam.
Further preferably, the stair tread comprises an upper tread and a lower tread, and a cavity is left between the upper tread and the lower tread.
Preferably, the cavity is filled with fine aggregate concrete, high-strength cement paste, flexible material sealant, polystyrene particle mortar or polyurethane.
Preferably, a T-shaped cover plate is arranged between the platform plates of the 2 steel-concrete combined staircases.
Preferably, the steel plate shear wall comprises a steel plate and a fishplate, and the steel plate is connected with the frame beam through the fishplate.
Preferably, be provided with the perps on the steel sheet, improve the shock attenuation effect through the perps.
Preferably, a platform beam and a floor frame beam are arranged between the 2 oppositely-arranged frame columns, a connecting plate is arranged on the platform beam, a long circular hole is formed in the connecting plate, and two ends of the ladder beam are connected with the connecting plate on the floor frame beam and the connecting plate on the platform beam through bolts respectively.
The mounting method of the fast-assembly steel structure staircase comprises the following operation steps:
(1) Leveling a stair installation site, and installing a prefabricated foundation;
(2) Transporting the steel-concrete combined stair, the steel plate shear wall, the frame beam, the frame column and the external wall panel to the site;
(3) Hoisting and positioning the frame column, and connecting the frame column with the prefabricated foundation bolt;
(4) The frame beams and the frame columns are connected by bolts or welded to form an integral frame, the floor frame beams and the platform beams are sequentially arranged between the 2 oppositely arranged frame columns from bottom to top, and the floor frame beams are connected to the floor plate;
(5) Installing a steel plate shear wall, and connecting a steel plate to the frame beam through a fishplate;
(6) Hoisting the steel-concrete combined stair to a specified position, sequentially connecting the steel-concrete combined stair with the floor frame beam and the platform beam from bottom to top in parallel, and covering the gap position of the two platform plates with a T-shaped cover plate;
(7) Hoisting an external wallboard outside the frame beam, wherein the external wallboard is connected with the frame beam through a bolt;
(8) When the main structure is constructed, the main structure is fixedly connected with the built staircase.
The invention has the beneficial effects that:
1. the invention has a self-forming stable system, overcomes the problems of synchronous construction and low efficiency of the traditional staircase and the main structure, enables the construction of the staircase to be carried out for 1-3 layers before the construction of the main structure, solves the problem of vertical traffic and improves the construction efficiency of buildings.
2. The invention adopts bolt connection or welding for connection, and completely dry method operation, and the connection is convenient.
3. The staircase does not need to support a scaffold and a template, so that the labor is less and the construction speed is high.
4. The staircase has the advantages that the self weight of the staircase is small, the requirement of hoisting equipment is reduced, and the staircase is convenient to install.
5. The steel plate shear wall can improve the lateral rigidity of a steel frame, reduce damage under the action of earthquake and further improve the overall earthquake resistance of a staircase.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic plan view of the present invention;
FIG. 4 is a schematic plan view of the present invention;
FIG. 5 is a schematic view of a disassembled structure of the steel-concrete combined stair of the present invention;
FIG. 6 is a schematic structural view of a steel plate shear wall according to the present invention;
wherein: 1. a steel-concrete combination stair; 2. a steel plate shear wall; 3. a frame beam; 4. a frame column; 5. an exterior wallboard; 6. a ladder beam; 7. stair tread plates; 8. a platform plate; 9. a connecting plate; 10. a cavity; 11. a T-shaped cover plate; 12. a steel plate; 13. a fishplate; 14. vertically sewing; 15. a platform beam; 16. a floor plate; 17. a wall; 18. floor frame roof beam.
Detailed Description
The present invention will be further described by way of examples, but not limited thereto, with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 6, this embodiment provides a fast-assembling steel structure staircase, which includes a steel-concrete composite staircase 1, a steel plate shear wall 2, a frame beam 3, frame columns 4, and an external wall panel 5, wherein the frame beam 3 is uniformly arranged between the vertically arranged 2 frame columns 4 side by side, the steel plate shear wall 2 is arranged in the middle of the frame beam 3, the steel-concrete composite staircase 1 is sequentially connected from bottom to top between the oppositely arranged 2 frame columns 4, and the external wall panel 5 is arranged on the outer side of the frame beam 3.
The steel-concrete combined stair comprises a stair beam 6, stair tread plates 7 and a platform plate 8, wherein the stair beam 6, the stair tread plates 7 and the platform plate 8 are integrally manufactured, the stair tread plates 7 are connected with the platform plate 8, the platform plate 8 is arranged at the upper end or the lower end of the stair tread plates 7 and is alternately arranged, a stepping platform is formed by 2 platform plates, and the stair beam 6 is arranged on two sides of each stair tread plate 7 and two sides of each platform plate 8 respectively.
The stair tread 7 comprises an upper tread and a lower tread, between which a cavity 10 is left.
The cavity 10 is filled with flexible material sealant.
A T-shaped cover plate 11 is arranged between the platform plates 8 of the 2 steel-concrete combined staircases 1, and gap covering is carried out through the T-shaped cover plate 11.
The steel plate shear wall 2 comprises a steel plate 12 and a fishplate 13, the steel plate 12 is connected with a frame beam 3 through the fishplate 13, the steel plate 12 and the frame beam 3 are transited through the fishplate 13, the fishplate is welded with the frame beam in advance, and the steel plate is welded with the fishplate or connected with a bolt.
A platform beam 15 and a floor frame beam 18 are arranged between 2 frame columns 4 which are oppositely arranged, a connecting plate 9 is arranged on the platform beam 15, a long round hole is formed in the connecting plate 9, bolt connection is facilitated, and two ends of a ladder beam 6 are respectively connected with the connecting plate on the floor frame beam and the connecting plate on the platform beam through bolts.
The mounting method of the fast-assembly steel structure staircase comprises the following operation steps:
(1) Leveling a stair installation site, and installing a prefabricated foundation;
(2) Transporting the steel-concrete combined stair 1, the steel plate shear wall 2, the frame beam 3, the frame column 4 and the externally-hung wallboard 5 to a site;
(3) Hoisting and positioning the frame column 4, and connecting the frame column with the prefabricated foundation bolt;
(4) The frame beams 3 and the frame columns 4 are connected by bolts or welded to form an integral frame, the floor frame beams 18 and the platform beams 15 are sequentially arranged between the oppositely arranged 2 frame columns 4 from bottom to top, and the floor frame beams are connected with a floor plate;
(5) Installing a steel plate shear wall 2, welding a fishplate 13 with a frame beam 3 in advance, and welding or connecting a steel plate 12 with the fishplate 13 by bolts;
(6) Hoisting the steel-concrete combined stair 1 to a specified position, sequentially connecting the steel-concrete combined stair 1 with the platform beams 15 and the floor frame beams 18 side by side from bottom to top respectively, determining the installation quantity of the steel-concrete combined stair 1 according to the actual field requirement, and covering the gap position of the two platform plates by using a T-shaped cover plate;
(7) Hoisting the external wall board 5 outside the frame beam 3, if the staircase has floor boards 16 on one side, hoisting the external wall board on three sides, as shown in fig. 3, if the staircase has floor boards 16 on three sides, hoisting the external wall board only on one side, as shown in fig. 4, connecting the external wall board and the frame beam through bolts;
(8) When the main structure is constructed, the main structure is fixedly connected with the built staircase.
Example 2:
the structure of the fast-assembly steel structure staircase is as described in embodiment 1, and the difference is that flexible material polystyrene particle mortar is filled in a cavity. Be provided with the perps on the steel sheet, improve the shock attenuation effect through the perps.
Example 3:
the structure of the fast-assembly steel structure staircase is as described in embodiment 1, and the difference is that flexible material polyurethane is filled in a cavity.
Example 4:
the utility model provides a fast-assembling steel construction staircase, the structure as embodiment 1 the difference lies in, the cavity intussuseption is filled with the pea gravel concrete.
Example 5:
the structure of the fast-assembly steel structure staircase is as in embodiment 1, and the difference is that high-strength cement paste is filled in a cavity.
Claims (5)
1. A fast-assembly steel structure staircase room is characterized by comprising a steel-concrete combined staircase, steel plate shear walls, frame beams, frame columns and external wall boards, wherein the frame beams are uniformly arranged among 2 vertically arranged frame columns side by side, the steel plate shear walls are arranged in the middle of the frame beams, the steel-concrete combined staircase is sequentially connected among the 2 oppositely arranged frame columns from bottom to top, and the external wall boards are arranged on the outer sides of the frame beams;
the steel-concrete combined stair comprises a stair beam, a stair tread and a platform plate, wherein the stair tread is connected with the platform plate, the two sides of the stair tread and the platform plate are respectively provided with the stair beam, and the two ends of the stair beam are respectively provided with a connecting plate;
the stair tread comprises an upper tread and a lower tread, and a cavity is reserved between the upper tread and the lower tread;
a T-shaped cover plate is arranged between the platform plates of the 2 steel-concrete combined staircases;
a platform beam and a floor frame beam are arranged between 2 frame columns which are oppositely arranged, a connecting plate is arranged on the platform beam, a long round hole is formed in the connecting plate, and two ends of the ladder beam are respectively connected with the floor frame beam and the connecting plate on the platform beam through bolts.
2. The package steel structure stairwell as claimed in claim 1 wherein the cavity is filled with fine aggregate concrete, high strength cement paste, flexible material sealant, polystyrene particle mortar or polyurethane.
3. The package steel structure stairwell as claimed in claim 1 wherein the steel plate shear wall includes steel plates and fishplates, the steel plates being connected to the frame beams by the fishplates.
4. The stair well of claim 1, wherein the steel plate is provided with vertical seams.
5. The installation method of the fast-assembling steel structure staircase according to claim 1, characterized in that the operation steps are as follows:
(1) Leveling a stair installation site, and installing a prefabricated foundation;
(2) Transporting the steel-concrete combined stair, the steel plate shear wall, the frame beam, the frame column and the external wall panel to the site;
(3) Hoisting and positioning the frame column, and connecting the frame column with the prefabricated foundation bolt;
(4) The frame beams and the frame columns are connected by bolts or welded to form an integral frame, the floor frame beams and the platform beams are sequentially arranged between the 2 oppositely arranged frame columns from bottom to top, and the floor frame beams are connected to the floor plate;
(5) Installing a steel plate shear wall, and connecting a steel plate to the frame beam through a fishplate;
(6) Hoisting the steel-concrete combined stair to a specified position, sequentially connecting the steel-concrete combined stair with the floor frame beam and the platform beam from bottom to top in parallel through the connecting plate respectively, and covering the gap position of the two platform plates with a T-shaped cover plate;
(7) Hoisting an external wallboard outside the frame beam, wherein the external wallboard is connected with the frame beam through a bolt;
(8) When the main body structure is constructed, the main body structure is fixedly connected with the built stairwell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115910.0A CN113789924B (en) | 2021-09-23 | 2021-09-23 | Fast-assembly steel structure staircase and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115910.0A CN113789924B (en) | 2021-09-23 | 2021-09-23 | Fast-assembly steel structure staircase and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113789924A CN113789924A (en) | 2021-12-14 |
| CN113789924B true CN113789924B (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202111115910.0A Active CN113789924B (en) | 2021-09-23 | 2021-09-23 | Fast-assembly steel structure staircase and installation method |
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| CN (1) | CN113789924B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH580214A5 (en) * | 1974-05-22 | 1976-09-30 | Hug Interlizenz Ag | |
| CN201661021U (en) * | 2010-03-11 | 2010-12-01 | 张吉华 | Prefabricated reinforced concrete stair |
| CN105155791A (en) * | 2015-09-25 | 2015-12-16 | 山东科技大学 | Quakeproof stairway with combined structure and construction method of quakeproof stairway |
| CN207063166U (en) * | 2017-07-19 | 2018-03-02 | 天津大学建筑设计研究院 | A kind of assembled Mixed Architecture suitable for high residential building |
| CN208965708U (en) * | 2018-09-13 | 2019-06-11 | 北京建谊投资发展(集团)有限公司 | Steel structure system and house |
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- 2021-09-23 CN CN202111115910.0A patent/CN113789924B/en active Active
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| CN113789924A (en) | 2021-12-14 |
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