CN111206731A - Assembled stair system and rapid construction method thereof - Google Patents
Assembled stair system and rapid construction method thereof Download PDFInfo
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- CN111206731A CN111206731A CN202010135630.5A CN202010135630A CN111206731A CN 111206731 A CN111206731 A CN 111206731A CN 202010135630 A CN202010135630 A CN 202010135630A CN 111206731 A CN111206731 A CN 111206731A
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- platform
- stair
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- cast
- stair body
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
- E04F11/025—Stairways having stringers
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to the technical field of building construction, and discloses an assembled stair system which comprises a stair body, a wall connecting installation beam, a platform and a cast-in-place connected oblique beam, wherein the cast-in-place connected oblique beam and the wall connecting installation beam are molded by one-step casting, the upper surface of the cast-in-place connected oblique beam is matched with the bottom of the stair body, two ends of the stair body are connected with the platforms of upper and lower floors, and the other end of the platform is vertically connected with a platform connecting wall body. Through the mode of integrated into one piece pouring, installation with the wall body, effectively improved bearing capacity, increased the rigidity and the bulk rigidity of structure, reduce the arrangement of reinforcement quantity and the concrete volume of prefabricated component, the modularization construction has improved project construction speed, has shortened project site operation cycle.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembly type stair system.
Background
In the course of the industrialized development of buildings in China, the assembled structure is widely applied. In the current traditional building construction process, most of the stair construction adopts a cast-in-place structure, the on-site formwork support of the traditional cast-in-place stair structure is difficult, the construction joint quality is not easy to control, the labor consumption and the wood consumption are large, the market labor price is continuously increased along with the continuous innovation and development of the building industry, the building cost is increased along with the continuous increase of the market labor price, the building industry is inevitably developed towards the industrialization and industrialization direction gradually, the assembly type building technology is matured and perfected, the assembly type modes used by the building industry are more and more, and the prefabricated stair is taken as a part which cannot be lost of the assembly type structure and is inevitably popularized and applied in a large scale.
Disclosure of Invention
The invention aims to provide an assembly type stair system, which improves the bearing capacity, improves the project construction speed through modular construction and shortens the project site construction period through a mode of integrally molding, pouring and installing with a wall body.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an assembled stair system, contains the stair body, links wall installation roof beam and platform, still includes cast-in-place disjunctor sloping, cast-in-place disjunctor sloping and the one shot casting of linking wall installation roof beam, the upper surface of cast-in-place disjunctor sloping and the bottom adaptation of stair body, the both ends of stair body are connected with the platform of upper and lower floor, the other end and the platform of platform are connected the wall body and are connected perpendicularly, the stair body lean on the terminal surface of wall side to hold in the upper surface of cast-in-place disjunctor sloping.
Preferably, the stair body comprises a tread and a kick.
Preferably, the tread is further provided with an anti-skid groove.
Preferably, the tread at both ends of the stair body is provided with reserved mounting holes which are vertically mounted.
Preferably, the staircase body is internally provided with a staircase longitudinal steel bar and a staircase transverse steel bar, and at least one staircase transverse steel bar is arranged below each section of the stepping surface.
Preferably, the stair body is provided with hoisting holes, and the hoisting holes are parallel to the tread.
Preferably, the cast-in-place integral inclined beam is internally provided with an inclined beam longitudinal reinforcement and an inclined beam stirrup.
Preferably, the end face of the platform is provided with a platform beam, and the distance between the platform beam and the upper surface of the platform is matched with the height of the first step face of the stair body.
Preferably, the platform beam is internally provided with a platform longitudinal reinforcement and a platform beam stirrup, and the platform beam is also provided with a vertically-installed embedded bolt which fixedly connects the stair body with the platform.
A rapid construction method of an assembly type stair system comprises the following construction steps:
s1, formwork and fixing the wall body and the template of the wall-connected mounting beam according to a design drawing;
s2, binding the wall body, the wall connecting mounting beam and the longitudinal reinforcement of the inclined beam and the inclined beam stirrup in the cast-in-place connected inclined beam into a whole;
s3, performing integral concrete pouring molding and curing on the wall body, the wall connecting mounting beam and the cast-in-place connected oblique beam;
s4, formwork supporting is conducted on a formwork of the platform according to a design drawing, platform longitudinal reinforcing bars and platform beam stirrups of the platform beam are bound, the platform beam and reinforcing bars in the platform are fixedly connected, embedded bolts are embedded, and integral concrete pouring molding and maintaining are conducted on the platform and the platform beam;
s5, rechecking the installation sizes of the platform, the platform beam and the stair body, processing the installation sizes until the installation sizes meet the installation size requirements, and leveling the installation surface;
s6, hoisting the stair body through the hoisting holes, and slowly lowering the stair body to enable reserved mounting holes at two ends to penetrate through the embedded bolts;
s7, adjusting the stair body to be horizontal and meet the design requirements;
and S8, fixing the embedded bolt by the bolt in a threaded manner, and grouting, plugging and sealing in the reserved mounting hole.
Compared with the prior art, the assembled stair system provided by the invention has the following beneficial effects:
through the mode of integrated into one piece pouring, installation with the wall body, effectively improved bearing capacity, increased the rigidity and the bulk rigidity of structure, reduce the arrangement of reinforcement quantity and the concrete volume of prefabricated component, the modularization construction has improved project construction speed, has shortened project site operation cycle.
Drawings
FIG. 1, installation elevation;
FIG. 2, installation plan view;
FIG. 3, a cross-sectional view of a platform node;
FIG. 4, a sectional view of a stair body node;
FIG. 5 is a cross sectional view of the wall-connected mounting beam and the cast-in-place connected oblique beam.
In the figure: 1. a stair body; 2. connecting a wall and installing a beam; 3. a platform; 4. a step surface; 5. kicking the tread; 6. longitudinal reinforcing steel bars of the stairs; 7. stair transverse steel bars; 8. reserving a mounting hole; 9. an anti-slip groove; 10. casting the conjoined oblique beam in situ; 11. longitudinal reinforcement of the oblique beam; 12. the diagonal beam hoops; 13. a platform beam; 14. longitudinally reinforcing bars of the platform; 15. platform beam stirrups; 16. embedding bolts in advance; 17. the platform is connected with the wall; 18. and (6) hoisting holes.
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.
Example 1 provided with reference to fig. 1 to 5
The utility model provides an assembled stair system, contains stair body 1, links wall installation roof beam 2 and platform 3, still includes cast-in-place disjunctor sloping 10, cast-in-place disjunctor sloping 10 with link wall installation roof beam 2 one shot casting moulding, the upper surface of cast-in-place disjunctor sloping 10 and the bottom adaptation of stair body 1, the both ends of stair body 1 are connected with the platform 3 of upper and lower floor, the other end and the platform of platform 3 are connected wall body 17 and are connected perpendicularly, stair body 1 leans on the terminal surface of wall side to hold take in the upper surface of cast-in-place disjunctor sloping 10. The stair body 1 comprises a tread 4 and a kicking surface 5. The tread 4 is also provided with an anti-skid groove 9. The tread 4 at the two ends of the stair body 1 is provided with reserved mounting holes 8 which are vertically mounted.
The stair body 1 is internally provided with a stair longitudinal steel bar 6 and a stair transverse steel bar 7, and the lower part of each step surface 4 is provided with the stair transverse steel bar 7. The stair body 1 is provided with two hoisting holes 18 at intervals, and the axes of the hoisting holes 18 are parallel to the tread 4. And an inclined beam longitudinal reinforcement 11 and an inclined beam stirrup 12 are arranged in the cast-in-situ connected inclined beam 10. The terminal surface of platform 3 is provided with platform crossbeam 13, the distance between platform crossbeam 13 and the platform 3 upper surface and the high adaptation of 1 first section tread 5 of stair body. The stair body 1 is characterized in that a platform longitudinal reinforcement 14 and a platform beam stirrup 15 are arranged in the platform beam 13, the platform beam 13 is further provided with an embedded bolt 16 which is vertically installed, and the embedded bolt 16 is used for fixedly connecting the stair body 1 with the platform 3.
Example 2 provided with reference to fig. 1 to 5
The difference from example 1 is that: two stair transverse steel bars 7 are arranged below each section of tread 4 at intervals in parallel.
Example 3 provided with reference to fig. 1 to 5
A rapid construction method of an assembly type stair system comprises the following construction steps:
s1, formwork erecting and fixing the wall body and the template of the wall-connected mounting beam 2 according to a design drawing;
s2, binding the wall body, the wall-connected mounting beam 2, the longitudinal reinforcing steel bar 11 of the inclined beam in the cast-in-place connected inclined beam 10 and the inclined beam stirrup 12 into a whole;
s3, performing integral concrete pouring molding and curing on the wall body, the wall-connected mounting beam 2 and the cast-in-place connected oblique beam 10;
s4, formwork the formwork of the platform 3 according to a design drawing, binding the platform longitudinal reinforcement 14 and the platform beam stirrup 15 of the platform beam 13, fixedly connecting the platform beam 13 and the reinforcement in the platform 3, embedding the embedded bolt 16, and performing integral concrete pouring molding and maintenance on the platform 3 and the platform beam 13;
s5, rechecking the installation size of the platform 3, the platform beam 13 and the stair body 1, processing the installation size to meet the installation size requirement, and leveling the installation surface;
s6, hoisting the stair body 1 through the hoisting holes 18, and slowly lowering the stair body 1 to enable the reserved mounting holes 8 at the two ends to penetrate through the embedded bolts 16;
s7, adjusting the stair body 1 to be horizontal and meet the design requirements;
and S8, fixing the embedded bolt 16 by screw threads through a bolt, and grouting, sealing and sealing the reserved mounting hole 8.
The invention provides an assembled stair system which has the following beneficial effects: through the mode of integrated into one piece pouring, installation with the wall body, effectively improved bearing capacity, increased the rigidity and the bulk rigidity of structure, reduce the arrangement of reinforcement quantity and the concrete volume of prefabricated component, the modularization construction has improved project construction speed, has shortened project site operation cycle.
Claims (10)
1. The utility model provides an assembled stair system, contains stair body (1), links wall installation roof beam (2) and platform (3), its characterized in that: the combined type stair is characterized by further comprising a cast-in-place connected oblique beam (10), wherein the cast-in-place connected oblique beam (10) and the wall connecting installation beam (2) are molded through one-step casting, the upper surface of the cast-in-place connected oblique beam (10) is matched with the bottom of the stair body (1), two ends of the stair body (1) are connected with platforms (3) of upper and lower floors, the other end of each platform (3) is vertically connected with a platform connecting wall body (17), and the end face, close to the wall side, of the stair body (1) is supported on the upper surface of the cast-in-place connected oblique beam (10).
2. The system of claim 1, wherein: the stair body (1) comprises a tread (4) and a kicking surface (5).
3. The system of claim 2, wherein: the tread (4) is also provided with an anti-skid groove (9).
4. The system of claim 2, wherein: the stair body (1) is characterized in that the tread surfaces (4) at the two ends of the stair body are provided with reserved mounting holes (8) which are vertically mounted.
5. The system of claim 2, wherein: the stair is characterized in that a stair longitudinal steel bar (6) and a stair transverse steel bar (7) are arranged in the stair body (1), and at least one stair transverse steel bar (7) is arranged below each step surface (4).
6. The system of claim 1, wherein: the stair body (1) is provided with hoisting holes (18), and the hoisting holes (18) are parallel to the tread (4).
7. The system of claim 1, wherein: and an inclined beam longitudinal reinforcement (11) and an inclined beam stirrup (12) are arranged in the cast-in-situ connected inclined beam (10).
8. The system of claim 1, wherein: the end face of the platform (3) is provided with a platform beam (13), and the distance between the platform beam (13) and the upper surface of the platform (3) is matched with the height of the first step face (5) of the stair body (1).
9. The system of claim 8, wherein: the stair body is characterized in that a platform longitudinal reinforcement (14) and a platform beam stirrup (15) are arranged in the platform beam (13), the platform beam (13) is further provided with embedded bolts (16) which are vertically installed, and the stair body (1) and the platform (3) are fixedly connected through the embedded bolts (16).
10. A method of rapid construction of a fabricated staircase system according to any of claims 1 to 9, characterised in that: the construction steps are as follows:
s1, formwork erecting and fixing the wall body and the template of the wall-connected mounting beam (2) according to a design drawing;
s2, binding the wall body, the wall-connected mounting beam (2), the longitudinal reinforcement (11) of the inclined beam in the cast-in-place connected inclined beam (10) and the inclined beam stirrup (12) into a whole;
s3, performing integral concrete pouring molding and curing on the wall body, the wall-connected mounting beam (2) and the cast-in-place connected oblique beam (10);
s4, formwork erecting is conducted on a formwork of the platform (3) according to a design drawing, platform longitudinal reinforcing bars (14) and platform beam stirrups (15) of the platform beam (13) are bound, the platform beam (13) and reinforcing bars in the platform (3) are fixedly connected, embedded bolts (16) are embedded, and integral concrete pouring molding and maintaining are conducted on the platform (3) and the platform beam (13);
s5, rechecking the installation sizes of the platform (3), the platform beam (13) and the stair body (1) and processing the installation sizes to meet the installation size requirement, and leveling the installation surface;
s6, hoisting the stair body (1) through the hoisting holes (18), and slowly lowering the stair body (1) to enable the reserved mounting holes (8) at the two ends to penetrate through the embedded bolts (16);
s7, adjusting the stair body (1) to be horizontal and meet the design requirements;
and S8, fixing the embedded bolt (16) by screw threads through a bolt, and grouting and sealing in the reserved mounting hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135630.5A CN111206731A (en) | 2020-03-02 | 2020-03-02 | Assembled stair system and rapid construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135630.5A CN111206731A (en) | 2020-03-02 | 2020-03-02 | Assembled stair system and rapid construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111206731A true CN111206731A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010135630.5A Pending CN111206731A (en) | 2020-03-02 | 2020-03-02 | Assembled stair system and rapid construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663882A (en) * | 2020-12-08 | 2021-04-16 | 中建西部建设股份有限公司 | Light and thin type beam type prefabricated staircase made of ultra-high performance concrete and forming process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004353250A (en) * | 2003-05-28 | 2004-12-16 | Sekisui Chem Co Ltd | Outdoor stairs and construction method for outdoor stairs |
| CN205653994U (en) * | 2016-05-24 | 2016-10-19 | 三能集成房屋股份有限公司 | Assembled staircase structure |
| CN108166690A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete cranked slab stairs and making construction method |
| CN109629714A (en) * | 2017-10-08 | 2019-04-16 | 李聪 | A kind of prefabricated partition wall of the staircase with installation base and its installation method |
| CN211850480U (en) * | 2020-03-02 | 2020-11-03 | 中国十七冶集团有限公司 | Assembled stair system |
-
2020
- 2020-03-02 CN CN202010135630.5A patent/CN111206731A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004353250A (en) * | 2003-05-28 | 2004-12-16 | Sekisui Chem Co Ltd | Outdoor stairs and construction method for outdoor stairs |
| CN205653994U (en) * | 2016-05-24 | 2016-10-19 | 三能集成房屋股份有限公司 | Assembled staircase structure |
| CN109629714A (en) * | 2017-10-08 | 2019-04-16 | 李聪 | A kind of prefabricated partition wall of the staircase with installation base and its installation method |
| CN108166690A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete cranked slab stairs and making construction method |
| CN211850480U (en) * | 2020-03-02 | 2020-11-03 | 中国十七冶集团有限公司 | Assembled stair system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663882A (en) * | 2020-12-08 | 2021-04-16 | 中建西部建设股份有限公司 | Light and thin type beam type prefabricated staircase made of ultra-high performance concrete and forming process thereof |
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