CN107386548A - A kind of prefabricated assembled light-duty stringer type stairway - Google Patents
A kind of prefabricated assembled light-duty stringer type stairway Download PDFInfo
- Publication number
- CN107386548A CN107386548A CN201710676450.6A CN201710676450A CN107386548A CN 107386548 A CN107386548 A CN 107386548A CN 201710676450 A CN201710676450 A CN 201710676450A CN 107386548 A CN107386548 A CN 107386548A
- Authority
- CN
- China
- Prior art keywords
- duty
- stair
- prefabricated assembled
- assembled light
- type stairway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/025—Stairways having stringers
-
- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
Abstract
The invention provides a kind of prefabricated assembled light-duty stringer type stairway, the prefabricated stringer type stairway of folded plate type is taken, is designed wherein on materials using high-strength concrete and zinc-plated welded wire fabric, the stress unit of folded plate uses " Z " type, wherein tread plate is as lower flange thereon, and riser plate is as its web.Its power transmission mechanism is calculated, its power transmission mechanism is load → step plate → side bar → landing slab → agent structure → ground.The problem of overcoming stair weight too heavy, take down " Z " type that prefabricated stringer type stairway can be made further to be mitigated in weight in flap member and have good power transmission mechanism, and then improve the overall performance of stair, product is practical, service behaviour is good, beneficial to product development, and can be with large-scale application in Practical Project.
Description
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of prefabricated assembled light-duty stringer type stairway.
Background technology
The prefabricated stringer type stairway of this hair can apply to many prefabricated house architectural engineerings, and its structure is novel, use
High performance material and technique, from heavy and light, it is adapted to conventional small tonnage tower crane lifting, this is created very for the application of prefabricated stringer type stairway
Good condition and space, it will the use for precast stair of making greater efforts to promote, accelerate the process of building industrialization.
For example, prior art CN1127319A provides a kind of stair section of marking time, section arrangement is marked time into a ladder, use
Stair reveal bright side plate and fix its both ends to form stair, it is characterised in that the Duan Youyi section of marking time is inverted L-shaped, and its two
Side have stair reveal bright side plate installation fixed part a section body of marking time, the inverted L-shaped section be by toe riser upper end side with
Integrally connected forms below on front side of pedal, formed in the back end surface of the upper pedal of section body of marking time to face and shape
Into on before the lower end side of toe riser by being arranged substantially in parallel to face.
In addition, prior art CN101761245A provides a kind of Assembled portable ladder for building construction layer,
It include pedal skeleton, pedal, curb girder, crossbeam, the pedal skeleton, pedal, curb girder, crossbeam with least two-stage form can head
Tail connects stairway unit；Bottom, middle part and the top of the curb girder of the stairway unit set respectively lower connector, center contact and
Upper connection, and center contact and upper connection set the hole of installation latch.The curb girder is located at lower connector and center contact
Or the position between center contact and upper connection, installation latch can be set thereon with the active joint of adjustment position by setting
Hole.The latch is of an L-shaped structure.
There is the shortcomings that weight is excessive in the Prefabricated slab type stair of prior art, general more than 2 tons, and the country has more than 2 tons
Tonnage unit in charge of construction is less than 20%, and anti-seismic performance is poor, significantly impacts the promotion and application of Prefabricated slab type stair.
The content of the invention
In view of the problem of prior art is present, the invention provides a kind of prefabricated assembled light-duty stringer type stairway, stair are total
Include two parts part on body：A part is folded plate, and another part is then side bar, wherein, folded plate section is using with zinc-plated weldering
It is skeleton to connect steel wire, and casting concrete is formed, and steel wire both ends are anchored in the side bar on both sides.
The stair further comprise being folded flat the parts such as platform beam and column, and two side bar upper and lower sides are connected with landing beam；It is flat
Platform beam and post vertical connection.Sit slurry it is preferred that two side bar upper and lower sides are filled by upper and lower side and poured in the grout sleeve of upper end
Concrete is allowed to connect.The side bar lower end of the wherein bottom is connected with ground.Landing beam and post are cast-in-place connections in advance.
It is preferred that riser plate and tread plate are continuous 90 ° bendings, folded plate thickness is small, in light weight.It is preferred that lifting Heave Here and
The end flap of stair two thickeies.Folded plate long side direction consolidates with both ends side bar.
It is preferred that steel wire, through the middle part for stepping on lower panels and riser plate, steel wire is anchored among the side bar of both sides.
Steel wire sets protective layer through lower panels are stepped on, and protective layer thickness is preferably 5mm.
Specifically, the design takes the prefabricated stringer type stairway of folded plate type, and high-strength concrete and high-strength steel are used wherein on materials
Muscle is designed, and can reach the purpose for effectively reducing building body weight.In terms of concrete materials, folded plate and side bar use C50
High-strength concrete above；In terms of skeleton materials, folded plate is preferably 2mm (its using zinc-plated welded wire fabric gauge of wire
If his size meet corresponding parameter request also can), aperture (in steel wire bidirectional wiring orthogonal spatial formed square mesh)
Size be both preferably 25 × 25mm (if other sizes meet corresponding parameter request also can), side bar using high intensity steel
Muscle is designed.
Wherein, because folded plate section either riser plate or tread plate both participate in stress, therefore the stress unit of folded plate uses
" Z " type, using tread plate as its edge of a wing, riser plate is calculated as its web, its power transmission mechanism be load → folded plate →
Side bar → landing slab → agent structure → ground.This transmission mechanism is identical with cast-in-place stringer type stairway, but from the weight of stair and
From the perspective of prefabricated, this stair is than cast-in-situ stair more convenient construction and accelerates the speed constructed；From an economic point of view, this
Stair are not less than in view of cast-in-place type stair and a project funds flowing in strength performance can bring considerable economic effect
Benefit；From the point of view of outward appearance, this stair seems compact and flexible, and stair weight significantly reduces.
Stair are generally removable to be divided into two parts, and a part is folded plate, and another part is then the side bar on both sides.Folded plate uses
Sheet form, the size of thin plate is preferably in 20mm-30mm, and using girder, (girder herein refers to the side on stair both sides to side bar
Beam and sectional dimension is smaller) form, meet corresponding requirement for bearing capacity and corresponding specification.
Riser plate carries out construction according to relative configurations requirement and matched somebody with somebody according to progress arrangement of reinforcement, tread plate is calculated among computing unit
Muscle, side bar carry out arrangement of reinforcement, the construction of its end and landing beam connection, with Prefabricated slab type stair at this stage according to conventionally calculation
It is configured similarly to that.
Prefabricated stringer type stairway is smaller to integrally-built horizontal anti-side rigidity contribution, produced under X, Y-direction geological process compared with
Small base shear and interlaminar shear, be advantageous to improve the overall anti-seismic performance of stair.
It is an object of the invention to provide a kind of preparation method of prefabricated assembled light-duty stringer type stairway, it is characterised in that
Folded plate and side bar form prefabricated stringer type stairway in factory's formwork one-piece casting concrete, then transport to job site by sit slurry and
The landing beam for being in the milk and having poured is attached.
The light prefabricated stringer type stairway of the present invention, was researched and developed and is changed on the problem of existing prefabricated board stair are present
Make, can reach with cranked slab stairs have identical function and it is in light weight the advantages of, on treadle component arrangement of reinforcement using fall " Z " type, can
Reach good power transmission effect, improve the overall performance of stair.
This light-duty stringer type stairway carries out mass production in factory using Standard Module, and several sets have the secondary number of turnovers up to a hundred
Mould disclosure satisfy that be probably a city even a regional staircase component demand, it is contemplated that economic benefit be more
Significantly.Prefabricated stringer type stairway carries out on-site hoisting in housing construction building site, reduces job site wet trade, reduces building rubbish
The generation of rubbish.Prefabricated slab type stair are to be produced in batches in factory, the cranked slab stairs of construction site on-site hoisting, Prefabricated slab type building
Ladder compares cast-in-place cranked slab stairs, and its field procedure is few, and speed of application is fast, and scene produces without rubbish.
The present invention includes relative to the beneficial effect of prior art：
(1) compared with existing Prefabricated slab type stair, the present invention can be effective for the light prefabricated stringer type stairway of research and development
The problem of overcoming stair weight too heavy.
(2) product of the invention is practical, and service behaviour is good, beneficial to product development, and can with large-scale application in
Among Practical Project.
(3) take down " Z " type that prefabricated stringer type stairway can be made further to be mitigated in weight in flap member
And have good power transmission mechanism, and then improve the overall performance of stair.
Brief description of the drawings
A kind of prefabricated assembled light-duty stringer type stairway overall schematic of Fig. 1 present invention.
A kind of prefabricated assembled light-duty stringer type stairway composition diagrammatic cross-section of Fig. 2 present invention, wherein, 2-1 is by folded plate+side
The stair schematic diagram of beam composition, 2-2 stair+platform connection diagram.
The braiding of the zinc-plated welded wire fabric of Fig. 3 present invention and its with side bar connection diagram, wherein, 3-1 is steel wire
Enlarged diagram is woven, 3-2 steel wires are connected floor map with side bar, and 3-3 steel wires are connected schematic perspective view with side bar.
A kind of prefabricated assembled light-duty stringer type stairway load conduction schematic diagram of Fig. 4 present invention, 4-1 conduct the signal of frontal plane
Figure, the schematic diagram of 4-2 conductive processes.
Embodiment
The present invention and its effective technique effect are described in further detail with reference to embodiment and accompanying drawing, but sent out
Bright embodiment not limited to this.
Embodiment 1
As shown in Fig. 1,2 and 3,4, a kind of prefabricated assembled light-duty stringer type stairway, including part：Folded plate, side bar, landing beam
And post, folded plate include riser plate and tread plate, wherein, folded plate section pours mixed using using zinc-plated welded wire fabric as skeleton
Solidifying soil is formed, and steel wire both ends are anchored in the side bar on both sides；Two side bar upper and lower sides are connected with landing beam；Landing beam and post
Vertical connection.
Post and landing beam are cast-in-place good in advance at the construction field (site), meet corresponding specification in materials, manufacture installation
With construction requirement.For stair in terms of concrete materials, folded plate and side bar use high-strength concrete；In terms of skeleton, folding
Plate using zinc-plated welded wire fabric and side bar using high tensile reinforcement, wherein according to corresponding code requirement the steel wire of folded plate
Net takes certain anchorage length to anchor among side bar.
It is preferred that in terms of concrete materials, folded plate and side bar are using more than C50 high-strength concrete；In skeleton materials side
Face, folded plate are preferably 2mm using zinc-plated welded wire fabric gauge of wire, and orifice size is both preferably 25 × 25mm.Thin plate
Size preferably uses the form of girder in 20mm-30mm, side bar, and the size of girder is 200 × 60mm.
Installation method Prefabricated slab type stair are similar to be lifted using crane at the scene, with crane hanging component stair,
Smeared at upper and lower landing beam and sit slurry, when stair are lifted into corresponding position, the casting concrete in grout sleeve, either
Sit the portland cement that slurry or the concrete poured in grout sleeve are higher than precast concrete grade using strength grade.
Embodiment 2
According to a kind of prefabricated assembled light-duty stringer type stairway of embodiment 1, the stress unit of folded plate uses " Z " type of falling, with
Tread plate is as its edge of a wing, and riser plate is as its web.Power transmission mechanism calculating is carried out to it, its power transmission mechanism is load → folded plate
→ side bar → landing slab → agent structure → ground.
Embodiment 3
According to a kind of prefabricated assembled light-duty stringer type stairway of embodiment 1, by corresponding theoretical calculation can it is prefabricated light
The weight of type stringer type stairway reduces the weight of stair probably in 0.55-0.65t.
Weight bearing power can meet corresponding bearing requirements by corresponding theoretical calculation, also can carry out mould by Abaqus
Plan draws corresponding analog result.
Prefabricated stringer type stairway is smaller to integrally-built horizontal anti-side rigidity contribution, produced under X, Y-direction geological process compared with
Small base shear and interlaminar shear, be advantageous to improve the overall anti-seismic performance of stair.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. a kind of prefabricated assembled light-duty stringer type stairway, it is characterised in that stair generally comprise two parts part：A part is
Folded plate, another part are then side bars, wherein, folded plate section using using zinc-plated welded wire fabric as skeleton, casting concrete and
Into steel wire both ends are anchored in the side bar on both sides.
2. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 1, it is characterised in that the stair are further
Including being folded flat the parts such as platform beam and column, two side bar upper and lower sides are connected with landing beam；Landing beam and post vertical connection；Two sides
Beam upper and lower side is filled by upper and lower side sits slurry and casting concrete is allowed to connect in the grout sleeve of upper end, wherein the bottom
Side bar lower end is connected with ground, and landing beam and post are cast-in-place connections in advance.
3. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 1, it is characterised in that riser plate and tread plate
For continuous 90 ° bendings.
4. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 1, it is characterised in that lifting Heave Here and
The end flap of stair two thickeies, and folded plate long side direction consolidates with both ends side bar.
5. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 1, it is characterised in that wherein, stair use
High-strength concrete makes, and zinc-plated welded wire fabric gauge of wire is 2mm, and steel wire spacing is 25mm.
6. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 1, it is characterised in that wherein, steel wire passes through
The middle part for stepping on lower panels and riser plate is through at, steel wire is anchored among the side bar of both sides.
7. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 6, it is characterised in that wherein, steel wire passes through
It is through at and steps on lower panels setting protective layer, protective layer thickness 5mm.
8. the prefabricated assembled light-duty stringer type stairway of one kind according to claim 1, it is characterised in that wherein, folded plate uses
Sheet form, the size of thin plate preferably use the form of girder in 20mm-30mm, side bar, and girder size is 200 × 60mm.
9. a kind of preparation method of prefabricated assembled light-duty stringer type stairway according to any one of claim 1-8, its feature
It is, the steel wire and side bar arrangement of reinforcement of pre-buried fixed dimension and shape, primary concreting concrete can complete stair making,
It is assembled without staircase component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676450.6A CN107386548A (en) | 2017-08-09 | 2017-08-09 | A kind of prefabricated assembled light-duty stringer type stairway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676450.6A CN107386548A (en) | 2017-08-09 | 2017-08-09 | A kind of prefabricated assembled light-duty stringer type stairway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107386548A true CN107386548A (en) | 2017-11-24 |
Family
ID=60345042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676450.6A Pending CN107386548A (en) | 2017-08-09 | 2017-08-09 | A kind of prefabricated assembled light-duty stringer type stairway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107386548A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487561A (en) * | 2018-04-01 | 2018-09-04 | 昆明顺弘水泥制管制品有限公司 | A kind of lightweight large span stair |
| CN109518896A (en) * | 2019-01-03 | 2019-03-26 | 中国建筑第五工程局有限公司 | Lightweight assembled folded plate stair |
| 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100905806B1 (en) * | 2008-09-11 | 2009-07-02 | 정민선 | Precast concrete stair system |
| DE102010018348A1 (en) * | 2010-04-27 | 2011-10-27 | Nguyen Viet Tue | Folded plate staircase, is made of ultra high fiber-reinforced concrete with preset slump flow, where fiber contents of concrete exhibit solidifying material characteristics, and concrete possesses preset cylinder tensile strength |
| CN203499139U (en) * | 2013-09-09 | 2014-03-26 | 山东大卫国际建筑设计有限公司 | Beam type anti-seismic stair |
| CN103821289A (en) * | 2014-03-20 | 2014-05-28 | 天津住宅集团建设工程总承包有限公司 | Connection and installation construction method for earthquake collision and damage preventing on support of prefabricated stair |
| CN205399856U (en) * | 2016-03-17 | 2016-07-27 | 三新房屋制造股份有限公司 | Hollow step combination stair |
| CN205777185U (en) * | 2016-05-31 | 2016-12-07 | 西安建构实业有限责任公司 | A kind of full assembling concrete beam-type stair |
| CN106965302A (en) * | 2017-05-24 | 2017-07-21 | 青岛越群建筑工程咨询有限公司 | A kind of prefabricated stringer type stairway and its particular manufacturing craft and construction method |
| CN206385749U (en) * | 2017-01-11 | 2017-08-08 | 付红 | A kind of prefabricated stringer type stairway of lightweight concrete light-gauge steel section |
-
2017
- 2017-08-09 CN CN201710676450.6A patent/CN107386548A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100905806B1 (en) * | 2008-09-11 | 2009-07-02 | 정민선 | Precast concrete stair system |
| DE102010018348A1 (en) * | 2010-04-27 | 2011-10-27 | Nguyen Viet Tue | Folded plate staircase, is made of ultra high fiber-reinforced concrete with preset slump flow, where fiber contents of concrete exhibit solidifying material characteristics, and concrete possesses preset cylinder tensile strength |
| CN203499139U (en) * | 2013-09-09 | 2014-03-26 | 山东大卫国际建筑设计有限公司 | Beam type anti-seismic stair |
| CN103821289A (en) * | 2014-03-20 | 2014-05-28 | 天津住宅集团建设工程总承包有限公司 | Connection and installation construction method for earthquake collision and damage preventing on support of prefabricated stair |
| CN205399856U (en) * | 2016-03-17 | 2016-07-27 | 三新房屋制造股份有限公司 | Hollow step combination stair |
| CN205777185U (en) * | 2016-05-31 | 2016-12-07 | 西安建构实业有限责任公司 | A kind of full assembling concrete beam-type stair |
| CN206385749U (en) * | 2017-01-11 | 2017-08-08 | 付红 | A kind of prefabricated stringer type stairway of lightweight concrete light-gauge steel section |
| CN106965302A (en) * | 2017-05-24 | 2017-07-21 | 青岛越群建筑工程咨询有限公司 | A kind of prefabricated stringer type stairway and its particular manufacturing craft and construction method |
Non-Patent Citations (2)
| Title |
|---|
| 何猛: "《钢筋工小手册》", 31 January 2006, 中国电力出版社 * |
| 高兵等: "《土木工程施工技术》", 30 January 2015, 武汉大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487561A (en) * | 2018-04-01 | 2018-09-04 | 昆明顺弘水泥制管制品有限公司 | A kind of lightweight large span stair |
| CN109518896A (en) * | 2019-01-03 | 2019-03-26 | 中国建筑第五工程局有限公司 | Lightweight assembled folded plate stair |
| 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 |
| CN112663882B (en) * | 2020-12-08 | 2022-05-10 | 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104988844B (en) | Two times tensioning prestressing force assembled Wavelike steel webplate combination beam | |
| CN106088478A (en) | Tilt strength steel concrete cylinder construction method | |
| CN107386548A (en) | A kind of prefabricated assembled light-duty stringer type stairway | |
| CN106894347B (en) | A kind of splicing bridge and bridge reorganization and expansion method based on cast-in-place united layer supertronic | |
| CN105839511B (en) | A kind of cable-stayed bridge in the double rope faces of the only tower of curve | |
| CN206487087U (en) | A kind of scissor stairs of sectional | |
| CN103290784A (en) | Arched beam combination bridge lifting construction method | |
| CN106012791B (en) | Three across the antinode steel concretes of work beam shear wave three combine T-shaped continuous beam | |
| CN104929047B (en) | A kind of V-type pier outer support construction method | |
| CN106087711A (en) | Antinode work beam-steel concrete top board-external prestressing combines T-shaped simply supported beam | |
| CN108775084A (en) | Steel-concrete combines precast beam and prefabricated post connection structure and construction method | |
| CN206859480U (en) | A kind of assembled large span combines steel truss concrete superimposed sheet | |
| CN106436591B (en) | A kind of steel cantilever combined bridge deck widens reconstruction structure and its construction method | |
| CN108035374A (en) | A kind of prefabricated basic component of the additional elevator of existing building and its construction method | |
| CN209456892U (en) | Cable-stayed bridge steel overhangs structure of sidewalk | |
| CN110409624A (en) | A kind of installation of large scale equipment and main structure be inverse to be made to calculate and construction method | |
| CN109811787A (en) | It is a kind of to use the additional elevator structure of pin-connected panel foundation precast elements and its construction method | |
| CN205934687U (en) | Antinode worker roof beam - steel concrete roof - external prestress combination T type simple beam | |
| CN106812244A (en) | The preparation method of the continuous superposed floor of precast beam, prefabricated PC and superstructure | |
| CN209538639U (en) | Make track movable Scaffold by oneself | |
| CN206722214U (en) | Precast beam and the continuous superposed floor of prefabricated PC | |
| CN106968380A (en) | A kind of assembled large span combination steel truss concrete superimposed sheet and its construction method | |
| CN203922362U (en) | Build-up type modularization steel structure lift shaft | |
| CN103967332B (en) | The construction method of a kind of building site enclosing | |
| CN206016099U (en) | A kind of light prefabricated shears ladder of configuration butterfly beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
|
| RJ01 | Rejection of invention patent application after publication |