CN109653455B - Hollow stair with limited deconstructed prefabricated rigid connection structure and preparation method thereof - Google Patents
Hollow stair with limited deconstructed prefabricated rigid connection structure and preparation method thereof Download PDFInfo
- Publication number
- CN109653455B CN109653455B CN201910043134.4A CN201910043134A CN109653455B CN 109653455 B CN109653455 B CN 109653455B CN 201910043134 A CN201910043134 A CN 201910043134A CN 109653455 B CN109653455 B CN 109653455B
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- Prior art keywords
- plate
- stair
- steel bars
- tread
- main structural
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 239000004567 concrete Substances 0.000 claims abstract description 24
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000009417 prefabrication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- 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
- E04F11/09—Tread-and-riser units
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a hollow stair and a preparation method thereof, in particular to a hollow stair with a limited deconstructed prefabricated rigid connection structure and a preparation method thereof, belonging to the field of constructional engineering. The hollow stair with the limited deconstructed prefabricated rigid connection structure comprises a main structural stair plate, a tread support plate and a tread plate, wherein the main structural stair plate consists of reinforced steel bars and concrete; the tread support plate is a prefabricated member formed by steel bars and concrete, one end of each steel bar extends out and is used for extending into the tread plate, and the other end extends out and is clamped with the steel bars of the main structural plate of the stair; the tread plate is a prefabricated member formed by steel bars and concrete, and one end of each steel bar extends out and is clamped with the steel bars of the main structural plate of the stair. The invention has the following advantages: 1. high standardization degree, short construction period and good quality of finished products. 2. Has better anti-seismic performance. 3. Saving more than 20% of the total material consumption of the stair and reducing the total weight of the stair.
Description
Technical Field
The invention relates to a hollow stair and a preparation method thereof, in particular to a hollow stair with a limited deconstructed prefabricated rigid connection structure and a preparation method thereof, belonging to the field of constructional engineering.
Background
The construction period of the cast-in-situ stair is long, and the quality of a construction finished product is influenced by the technical level of personnel, weather and other factors. Common detachable stairway is mostly assembled on site, and the steps and the stair plates are hinged through bolts. Most of common prefabricated stairways are solid structures, the material consumption is large, and the components are heavy.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide the hollow stair with the limited deconstructed prefabricated rigid connection structure, which has the advantages of high standardization degree, short construction period and good finished product quality.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the hollow stair with the limited deconstructed prefabricated rigid connection structure comprises a main structural stair plate, a tread support plate and a tread plate, wherein the main structural stair plate consists of reinforced steel bars and concrete; the tread support plate is a prefabricated member formed by steel bars and concrete, one end of each steel bar extends out and is used for extending into the tread plate, and the other end extends out and is clamped with the steel bars of the main structural plate of the stair; the tread plate is a prefabricated member formed by steel bars and concrete, and one end of each steel bar extends out and is clamped with the steel bars of the main structural plate of the stair.
Preferably, the main structural plate, the tread support plate and the tread plate are all plate-shaped pieces.
Preferably, the tread plate, the tread support plate and the main structural plate form a triangle structure, and the inside of the triangle structure is hollow.
Preferably, the end part of the pedal reinforcing steel bar, which is clamped with the stair main structure plate reinforcing steel bar, is in a hook shape.
It is another object of the present invention to provide a method of making a hollow stairway of limited deconfiguration prefabricated rigid connection structure, comprising the steps of:
(1) Manufacturing a stepping support plate: after binding reinforcing steel bars of the stepping support plates, pouring concrete; one end of the reinforcing steel bar extends out and is used for extending into the pedal; the steel bars at the other end extend out and bend to be used for hooking the steel bars of the stair main structural plate;
(2) Manufacturing a pedal plate: after binding the reinforcement bars of the tread plate, vertically arranging the tread support plate on one side of the tread plate as a baffle, and pouring concrete; one end of the steel bar extends out and bends and is used for hooking the steel bar of the stair main structural plate;
(3) Prefabrication of the whole stair is completed: binding reinforcing steel bars of a main structural plate of the stair; arranging a plurality of tread plates, and respectively hooking the transverse steel bars of the tread plates and the transverse steel bars of the tread support plates to the longitudinal steel bars of the main structural plate of the stair; and pouring concrete to finish the prefabrication of the whole stair.
Compared with the prior art, the invention has the following advantages:
1. prefabricating in a factory, and then assembling and constructing on site. Compared with cast-in-situ stairway, the method has the advantages of high standardization degree, short construction period and good quality of finished products.
2. The stair is divided into three finite unit plates, the three finite unit plates are prefabricated in factories respectively, the steps are implemented step by step, the step plates are rigidly connected with the step support plates in sequence, and then the stair is constructed into a complete precast concrete stair with the main structural plate of the stair through concrete pouring. Compared with the detachable stair steps and stair plates, the detachable stair steps and stair plates are integrally prefabricated in a bolt hinged mode, all connections are rigidly connected, and the detachable stair steps and stair plates have better anti-seismic performance.
3. The tread plate is rigidly connected with the tread support plate and then is rigidly connected with the main structural plate of the stair in a triangular stable structure, and the inside of the triangle is in a hollow state. Compared with the prefabricated solid stairs, under the condition of the same structural performance, the material consumption of more than 20% of the overall stairs is saved, and the overall weight of the stairs is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the tread support plate of FIG. 1;
FIG. 3 is a schematic view of the structure of the tread plate of FIG. 1;
FIG. 4 is a schematic view of the main structural panel of the stair of FIG. 1;
FIG. 5a is a view of the manufacturing process step (1) according to the embodiment of the present invention;
FIG. 5b is a view of the manufacturing process step (2) according to the embodiment of the present invention;
FIG. 5c is a view of the manufacturing process step (3) according to the embodiment of the present invention;
in the figure, 1, a stair main structural plate; 2. a step support plate; 3. a tread plate; 10. transverse steel bars of the main structural plate of the stair; 11. longitudinal steel bars of the main structural plate of the stair; 20. transverse reinforcing steel bars of the stepping support plates; 21. longitudinal steel bars of the stepping support plates; 30. transverse steel bars of the tread plates; 31. longitudinal steel bars of the tread plate.
Detailed Description
The invention is further described in detail below with reference to fig. 1-5 c: as shown in fig. 1-4, a hollow stair with a limited deconstructed prefabricated rigid connection structure comprises a main structural plate 1, a tread support plate 2 and a tread plate 3 which are all plate-shaped pieces; the stair main structure plate 1 is formed by steel bars and concrete, the transverse steel bars 10 of the stair main structure plate and the longitudinal steel bars 11 of the stair main structure plate are bound to form a stair main body frame, and the axial section of the stair main structure plate is trapezoidal after concrete is poured; when the main structural plate of the stair is erected between floors, the end face of the lap joint part of the stair is exactly parallel to the ground; the tread support plate 2 is a prefabricated member composed of tread support plate transverse steel bars 20, tread support plate longitudinal steel bars 21 and concrete, one end of each tread support plate transverse steel bar 20 extends out and is used for extending into the tread plate 3, and the other end extends out and is bent and used for being clamped with the stair main structural plate longitudinal steel bars 11; the tread plate 3 is a prefabricated member composed of tread plate transverse steel bars 30, tread plate longitudinal steel bars 31 and concrete, and one end of the tread plate transverse steel bars 30 extends out and is bent into a hook shape for being clamped with the stair main structural plate longitudinal steel bars 11.
The tread plate is rigidly connected with the tread support plate and then is rigidly connected with the stair structure main board in a triangular stable structure, and the inside of the triangle is in a hollow state. The two end faces of the step support plate are respectively attached to the step plate and the stair main structure plate, one end face of the step plate is attached to the stair main structure plate face, the cross section of the other end of the step plate is rectangular, and a boss is arranged at the tail end of the stair main structure plate for attaching to the bottom end face of the step support plate.
As shown in fig. 5a-5c, a method of making a hollow stairway of limited deconfiguration prefabricated rigid connection structure, comprising the steps of:
(1) Manufacturing a stepping support plate: after binding reinforcing steel bars of the stepping support plates, pouring concrete; one end of the transverse reinforcing steel bar of the pedal support plate extends out and is used for extending into the pedal plate; the other end extends out and bends to be used for hooking the longitudinal steel bars of the stair main structural plate;
(2) Manufacturing a pedal plate: after binding the reinforcement bars of the tread plate, vertically arranging the tread support plate on one side of the tread plate as a baffle, and pouring concrete; one end of the transverse steel bar of the tread plate extends out and bends and is used for hooking the steel bar of the main structural plate of the stair;
(3) Prefabrication of the whole stair is completed: binding reinforcing steel bars of a main structural plate of the stair; arranging a plurality of tread plates, and respectively hooking the transverse steel bars of the tread plates and the transverse steel bars of the tread support plates to the longitudinal steel bars of the main structural plate of the stair; and pouring concrete to finish the prefabrication of the whole stair.
Principle of: the stairs are decomposed into three finite element boards: the stair main structural plate, the pedal supporting plate and the pedal plate are prefabricated in factories respectively; the steps are implemented, the tread plates and the tread support plates are rigidly connected in sequence, and then the tread support plates and the main structural plates of the stairs are formed into the complete precast concrete stair through concrete pouring.
The above examples are only preferred embodiments of the present invention and do not limit the present invention. Those skilled in the art will appreciate that the invention is not limited to the embodiments described herein.
Claims (4)
1. The utility model provides a hollow stair of prefabricated rigid connection structure of limited deconstructment, includes stair main structure board, the backup pad of marking time and step board, its characterized in that: the main structural plate of the stair is composed of steel bars and concrete; the tread support plate is a prefabricated member formed by steel bars and concrete, one end of each steel bar extends out and is used for extending into the tread plate, and the other end extends out and is clamped with the steel bars of the main structural plate of the stair; the tread plate is a prefabricated member formed by steel bars and concrete, and one end of each steel bar extends out and is clamped with the steel bars of the main structural plate of the stair;
the end part of the pedal reinforcing steel bar, which is clamped with the stair main structure plate reinforcing steel bar, is in a hook shape; the main structural plate of the stair is a plate-shaped piece.
2. The hollow stairway of finite deconstructed prefabricated rigid connection structure according to claim 1, wherein: the step supporting plate and the step plate are plate-shaped pieces.
3. Hollow stairway with limited deconstructed prefabricated rigid connection structure according to claim 1 or 2, characterised in that: the tread plate, the tread support plate and the main structural plate form a triangle structure, and the inside of the triangle structure is hollow.
4. A method for preparing a hollow stairway with a limited deconstructed prefabricated rigid connection structure, which is characterized in that: the method comprises the following steps:
(1) Manufacturing a stepping support plate: after binding reinforcing steel bars of the stepping support plates, pouring concrete; one end of the reinforcing steel bar extends out and is used for extending into the pedal; the steel bars at the other end extend out and bend to be used for hooking the steel bars of the stair main structural plate;
(2) Manufacturing a pedal plate: after binding the reinforcement bars of the tread plate, vertically arranging the tread support plate on one side of the tread plate as a baffle, and pouring concrete; one end of the steel bar extends out and bends and is used for hooking the steel bar of the stair main structural plate;
(3) Prefabrication of the whole stair is completed: binding reinforcing steel bars of a main structural plate of the stair; arranging a plurality of tread plates, and respectively hooking the transverse steel bars of the tread plates and the transverse steel bars of the tread support plates to the longitudinal steel bars of the main structural plate of the stair; and pouring concrete to finish the prefabrication of the whole stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043134.4A CN109653455B (en) | 2019-01-17 | 2019-01-17 | Hollow stair with limited deconstructed prefabricated rigid connection structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043134.4A CN109653455B (en) | 2019-01-17 | 2019-01-17 | Hollow stair with limited deconstructed prefabricated rigid connection structure and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109653455A CN109653455A (en) | 2019-04-19 |
| CN109653455B true CN109653455B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910043134.4A Active CN109653455B (en) | 2019-01-17 | 2019-01-17 | Hollow stair with limited deconstructed prefabricated rigid connection structure and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109653455B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH404157A (en) * | 1964-04-17 | 1965-12-15 | Schnydrig Walter | Staircase made from prefabricated elements |
| AT273464B (en) * | 1967-02-17 | 1969-08-11 | Otto Dipl Kfm Paul | stairway |
| JPH0651358U (en) * | 1992-12-21 | 1994-07-12 | 株式会社長嶋屋 | Footboard for assembly stairs |
| JPH10180734A (en) * | 1996-12-24 | 1998-07-07 | Tokyu Koken Co Ltd | Manufacture of precast concrete stair and precast concrete unit treadboard and supporting device therefor |
| CN204023921U (en) * | 2014-09-03 | 2014-12-17 | 四川华构住宅工业有限公司 | The hollow stair of assembling beam type sliding support |
| CN204609154U (en) * | 2015-03-30 | 2015-09-02 | 王新强 | The hollow stair system of a kind of prefabricated assembling type reinforced concrete |
| CN205134792U (en) * | 2015-11-13 | 2016-04-06 | 赤峰力强预制构件有限公司 | Light -duty reinforced concrete prefabricated staircase |
| CN205399856U (en) * | 2016-03-17 | 2016-07-27 | 三新房屋制造股份有限公司 | Hollow step combination stair |
| CN106378861A (en) * | 2016-11-08 | 2017-02-08 | 安徽宇辉建筑产业现代化设计研究院有限公司 | Prefabricated type concrete stair mould and stair manufacturing method |
| CN206467922U (en) * | 2017-02-03 | 2017-09-05 | 河南国隆实业有限公司 | A kind of module-assembled component stair |
| CN206737292U (en) * | 2017-05-02 | 2017-12-12 | 西安方平建筑工程有限公司 | A kind of novel fabricated stair precast concrete |
| CN108166691A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete beam formula stair and making construction method |
| CN108661255A (en) * | 2018-04-24 | 2018-10-16 | 怀化市港翔管桩有限公司 | A kind of assembling-type precast stair and its production method |
| CN209670221U (en) * | 2019-01-17 | 2019-11-22 | 江西联保工程咨询有限公司 | A kind of hollow stair of limited destructing preformed rigid connection structure |
-
2019
- 2019-01-17 CN CN201910043134.4A patent/CN109653455B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH404157A (en) * | 1964-04-17 | 1965-12-15 | Schnydrig Walter | Staircase made from prefabricated elements |
| AT273464B (en) * | 1967-02-17 | 1969-08-11 | Otto Dipl Kfm Paul | stairway |
| JPH0651358U (en) * | 1992-12-21 | 1994-07-12 | 株式会社長嶋屋 | Footboard for assembly stairs |
| JPH10180734A (en) * | 1996-12-24 | 1998-07-07 | Tokyu Koken Co Ltd | Manufacture of precast concrete stair and precast concrete unit treadboard and supporting device therefor |
| CN204023921U (en) * | 2014-09-03 | 2014-12-17 | 四川华构住宅工业有限公司 | The hollow stair of assembling beam type sliding support |
| CN204609154U (en) * | 2015-03-30 | 2015-09-02 | 王新强 | The hollow stair system of a kind of prefabricated assembling type reinforced concrete |
| CN205134792U (en) * | 2015-11-13 | 2016-04-06 | 赤峰力强预制构件有限公司 | Light -duty reinforced concrete prefabricated staircase |
| CN205399856U (en) * | 2016-03-17 | 2016-07-27 | 三新房屋制造股份有限公司 | Hollow step combination stair |
| CN106378861A (en) * | 2016-11-08 | 2017-02-08 | 安徽宇辉建筑产业现代化设计研究院有限公司 | Prefabricated type concrete stair mould and stair manufacturing method |
| CN206467922U (en) * | 2017-02-03 | 2017-09-05 | 河南国隆实业有限公司 | A kind of module-assembled component stair |
| CN206737292U (en) * | 2017-05-02 | 2017-12-12 | 西安方平建筑工程有限公司 | A kind of novel fabricated stair precast concrete |
| CN108166691A (en) * | 2018-02-11 | 2018-06-15 | 山东省建筑科学研究院 | A kind of precast prestressed concrete beam formula stair and making construction method |
| CN108661255A (en) * | 2018-04-24 | 2018-10-16 | 怀化市港翔管桩有限公司 | A kind of assembling-type precast stair and its production method |
| CN209670221U (en) * | 2019-01-17 | 2019-11-22 | 江西联保工程咨询有限公司 | A kind of hollow stair of limited destructing preformed rigid connection structure |
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| Publication number | Publication date |
|---|---|
| CN109653455A (en) | 2019-04-19 |
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