CN102888957A - Prefabricated light slab stair - Google Patents
Prefabricated light slab stair Download PDFInfo
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- CN102888957A CN102888957A CN2012102889389A CN201210288938A CN102888957A CN 102888957 A CN102888957 A CN 102888957A CN 2012102889389 A CN2012102889389 A CN 2012102889389A CN 201210288938 A CN201210288938 A CN 201210288938A CN 102888957 A CN102888957 A CN 102888957A
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- plate body
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- stairway
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Abstract
The invention discloses a prefabricated light slab stair, which comprises a slab body with steps and steel bars embedded into the slab body and is characterized in that a plurality of strip-type weight reducing grooves are formed on the lower part of the slab body; and the steel bars are exposed from ends of the slab body by a certain length. According to the prefabricated light slab stair, the slab body of the stair is a dense ribbed slab, so that the dead weight of the stair is greatly reduced, lifting requirements can be met by the common tower crane, and the prefabricated stair can be easily mounted.
Description
Technical field
The present invention relates to a kind of precast stair, relate in particular to a kind of for the precast stair in the building cast-in-situ reinforced concrete structure.
Background technology
The tradition precast stair adopts the assembling stair of precast beam and the combination of prefabricated step plate usually, or be the solid slabtype stairway of straight race formula, the former bothers but install from heavy and light, the stair globality is poor, seldom use in engineering, latter deadweight is large especially, and because of the template versatility poor, cost is also higher, in addition, can't lift by the restriction of tower crane elevating capacity as being used for cast-in-place structural, therefore in cast-in-situ reinforced concrete structure, also seldom adopt precast stair.A kind of prefabricated light-duty stair low from heavy and light, cost, that can conveniently be used for dwelling house and highrise building yet there are no report.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, provide a kind of lightweight, be suitable for prefabricated prefabricated light plate type stair.
According to a kind of prefabricated light plate type stair provided by the invention, comprise the band plate body of marking time and the reinforcing bar that is embedded in the described plate body, it is characterized in that described plate body below is provided with the lightening grooves of some strips.
Also have following attached technical characterictic according to a kind of prefabricated light plate type stair provided by the invention:
Described reinforcing bar exposes the end certain-length or described steel bar overall is embedded in the described plate body.
Described plate body is straight line swash plate or with the broken line plate of horizontal half space.
Described marking time is hollow shape, and be hollow for the triangle close with the shape of marking time or for circular, the hollow concentric reducer that is.
Described lightening grooves is the loud-speaker shape, inter-alveolar distance 20-30cm..
The described upper surface of marking time vertically is provided with some protruding stupefied or grooves, and the described end of marking time is laterally established the projection of turning over.
Described plate body two ends are provided with the edge sealing vertical with described lightening grooves, and described edge sealing is embedded with reinforcing bar, and described edge sealing is provided with the lifting suspension member in the end.
Described end of marking time is provided with the railing non through hole.
The reinforcing bar of described plate body is the welded wire fabric sheet, its two main muscle both sides that are parallel to each other that are welded in for intersecting before and after the transverse reinforcement identical with the shape of marking time.
Described plate body bottom connects fixedly cement fibrolite plate or Thistle board.
Compared with prior art has following advantage according to a kind of prefabricated light plate type stair provided by the invention: 1, adopt multi-ribbed plate because of stair tread, greatly alleviated the stair deadweight, common tower crane just can satisfy lifting requirements, has thoroughly solved the installation difficult problem of precast stair.2, because stair adopt multi-ribbed plate and adopt the freely-supported design, the steel bar concrete consumption reduces, prefabricate stair template highly versatile, the template amortization charge is few, and the template assembling and disassembling is convenient, and because of the stair surface forming good, saved plaster skin coat, cost can reduce by 30% upper.3, owing to saved an in the past die process of cast-in-situ stair complexity, the stair hoisted in position is convenient, avoided shear wall formwork and the concrete of staircase to water the most difficult construction link of smashing, the operation that also having saved marks time plasters, greatly facilitate construction, reduce the technical quality requirement to the workman, accelerated construction speed.4, owing to saved the stair formwork erecting scaffold of traditional cast-in-situ stair, the construction stage stair are unblocked as occasional passage, and the convenient construction personnel come in and go out, and the impact of having avoided the constructor up and down stair to be constructed.5, owing to adopt the folded plate type stair to save stair plaform beam and short column, make staircase structure simple, simultaneously also can be more convenient at the half space place of stair one end slip support node is set, thoroughly eliminated the adverse effect of stair to structural seismic.
Description of drawings
Fig. 1 is the take out stitches stereogram of slabtype stairway of a kind of embodiment of the present invention.
Fig. 2 is Fig. 1 a kind of embodiment straight line swash plate stair stereogram of the present invention.
Fig. 3 is the another kind of embodiment of the present invention slab-type apartment building ladder stereogram of taking out stitches.
Fig. 4 is the stereogram of another kind of embodiment straight line swash plate stair of the present invention.
Fig. 5 is welding steel-concrete net sheet schematic diagram of the present invention.
Fig. 6 is the difference of the present invention anti-skidding form schematic diagram of marking time.
Fig. 7 is the stair sectional drawings.
Fig. 8 is the schematic diagram of landing plate section of the present invention and arrangement of reinforcement.
Fig. 9 is furred ceiling schematic diagram under the stair tread of the present invention.
Figure 10 is stair tread of the present invention and the node diagram of shelving beam and being connected.
The specific embodiment
Referring to Fig. 1 and Fig. 2, according to a kind of prefabricated light plate type stair provided by the invention, comprise mark time 1 plate body 2 and be embedded in reinforcing bar 3 in the described plate body 2 of band, described plate body 2 belows are provided with the lightening grooves 21 of some strips, and described reinforcing bar 3 exposes the end certain-length of plate body 2.Described lightening grooves 21 is to distribute along the 1 vertical direction of marking time, so that 2 one-tenth close rib structures of plate body.This close rib structure can reduce the weight of stair greatly, is convenient to carrying and the lifting of precast stair.It is to be connected with other structures of outside for convenient that described reinforcing bar 3 exposes certain-length, and so-called certain-length refers to be convenient to the stair needed length that is connected with other structures here.Certainly, the reinforcing bar 3 among the present invention also can be that integral body is embedded in the described plate body 2, puts outside and need not part dew.
Referring to Fig. 2 and Fig. 4, in above-described embodiment that the present invention provides, described plate body 2 is the straight line swash plate, and this stair are straight line stair.Referring to Fig. 1 and Fig. 3, described plate body 2 is the broken line plate with horizontal half space, and this stair are broken line stair.This two kinds of stair that go for of the present invention.
Referring to Fig. 6, in above-described embodiment that the present invention provides, described marking time 1 is hollow shape, hollow 11 for and mark time the close triangle of 1 shape, certainly, that marks time described in the present invention hollowly can be circle, as shown in Figure 7.1 the hollow concentric reducer that is of marking time among the present invention.The described concentric reducer here refers to a hollow end greater than the other end, and this hollow-core construction is conveniently stripped.To mark time 1 is set to hollow-core construction, can further reduce the weight of stair.
Referring to Fig. 7 to 9, in above-described embodiment that the present invention provides, described lightening grooves 21 is the loud-speaker shape, inter-alveolar distance 20-30cm.Inter-alveolar distance described here refers to two distances between the lightening grooves 21.Present embodiment is 25cm.Described lightening grooves 21 is arranged to horn-like, for making things convenient for template dismounting.
Referring to Fig. 6, in above-described embodiment that the present invention provides, described 1 upper surface of marking time vertically is provided with some protruding stupefied 12 or groove 13.Described protruding stupefied 12 or described groove 13 play anti-skidding effect.
Referring to Fig. 7, in above-described embodiment that the present invention provides, described 1 one ends of marking time are laterally established the projection 14 of turning over.Described protruding 14 play the dash effect.
Referring to Fig. 1 to Fig. 4, in above-described embodiment that the present invention provides, described plate body 2 two ends are provided with the edge sealing 22 vertical with described lightening grooves 21, and described edge sealing 22 is embedded with reinforcing bar, and described edge sealing 22 is provided with lifting suspension member 23 in the end.Described edge sealing 22 increases the torsional property of stair tread with described lightening grooves 21 sealings, and described lifting suspension member 23 makes things convenient for the lifting of stair.
Referring to Fig. 7, in above-described embodiment that the present invention provides, described 1 the end of marking time is provided with railing non through hole 15, is used for installing pull bar.
Referring to Fig. 5, in above-described embodiment that the present invention provides, the reinforcing bar 3 of described plate body 2 is the welded wire fabric sheet, and it intersects for transverse reinforcement 31 front and back identical with the shape of marking time is welded in two main muscle 32 both sides that are parallel to each other.Transverse reinforcement 31 front and back among the present invention intersect, so that each reinforcing bar in marking time links together, make reinforcing bar binding convenient.This net sheet is many groups, is provided with at least one group in each close rib structure.
Referring to Fig. 9, in above-described embodiment that the present invention provides, described plate body 2 bottoms connect fixedly cement fibrolite plate or Thistle board 24.The bottom of the plate body 2 among the present invention can be sealed by fiberboard or Thistle board 24, and is more attractive in appearance like this.
Referring to Figure 10, in the embodiment that the present invention provides, an end of described stair tread is held on choosing on the ear 9 of landing beam or shear wall, thoroughly eliminates stair to the adverse effect of structural seismic thereby stair tread can be free to slide.
Claims (10)
1. prefabricated light plate type stair comprise the band plate body of marking time and the reinforcing bar that is embedded in the described plate body, it is characterized in that described plate body below is provided with the lightening grooves of some strips.
2. slabtype stairway as claimed in claim 1 is characterized in that described reinforcing bar exposes end certain-length or described steel bar overall and is embedded in the described plate body and do not expose.
3. slabtype stairway as claimed in claim 1 is characterized in that described plate body is straight line swash plate or with the broken line plate of horizontal half space.
4. slabtype stairway as claimed in claim 1 is characterized in that described marking time is hollow shape, and is hollow for the triangle close with the shape of marking time or for circular, the hollow concentric reducer that is.
5. slabtype stairway as claimed in claim 1 is characterized in that described lightening grooves is the loud-speaker shape, inter-alveolar distance 20-30cm..
6. slabtype stairway as claimed in claim 1 is characterized in that the described upper surface of marking time vertically is provided with some protruding stupefied or grooves, and the described end of marking time is laterally established the projection of turning over.
7. slabtype stairway as claimed in claim 1 is characterized in that described plate body two ends are provided with the edge sealing vertical with described lightening grooves, and described edge sealing is embedded with reinforcing bar, and described edge sealing is provided with the lifting suspension member in the end.
8. slabtype stairway as claimed in claim 1 is characterized in that described end of marking time is provided with the railing non through hole.
9. slabtype stairway as claimed in claim 1, the reinforcing bar that it is characterized in that described plate body is the welded wire fabric sheet, its two main muscle both sides that are parallel to each other that are welded in for intersecting before and after the transverse reinforcement identical with the shape of marking time.
10. slabtype stairway as claimed in claim 1 is characterized in that described plate body bottom connects fixedly cement fibrolite plate or Thistle board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102889389A CN102888957A (en) | 2012-08-15 | 2012-08-15 | Prefabricated light slab stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102889389A CN102888957A (en) | 2012-08-15 | 2012-08-15 | Prefabricated light slab stair |
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| CN102888957A true CN102888957A (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102889389A Pending CN102888957A (en) | 2012-08-15 | 2012-08-15 | Prefabricated light slab stair |
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| CN (1) | CN102888957A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343596A (en) * | 2013-07-10 | 2013-10-09 | 深圳市鹏城建筑集团有限公司 | Concrete stair structure |
| CN104141367A (en) * | 2014-07-07 | 2014-11-12 | 张跃 | Concrete stairs with hoisting seats and connecting pieces |
| CN104179306A (en) * | 2014-09-03 | 2014-12-03 | 四川华构住宅工业有限公司 | Assembly type beam type sliding support hollow stairway |
| CN104499664A (en) * | 2014-12-17 | 2015-04-08 | 张跃 | Lightweight concrete step and manufacturing method thereof |
| CN104533033A (en) * | 2014-12-17 | 2015-04-22 | 苏州工业园区设计研究院股份有限公司 | Ladder adopting sliding ladder beam |
| CN106223555A (en) * | 2016-08-18 | 2016-12-14 | 浙江绿城建筑设计有限公司 | A kind of without top cover forestair |
| CN107119865A (en) * | 2017-05-26 | 2017-09-01 | 江苏中城工业化住宅制造有限公司 | A kind of assembled steel skeleton lightweight concrete composition stair |
| CN109518897A (en) * | 2019-01-03 | 2019-03-26 | 中国建筑第五工程局有限公司 | Lightweight assembled folded plate and Cantilever Beams combined staircase |
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| JP2005299344A (en) * | 2004-04-16 | 2005-10-27 | Yamaichi Yogyo Kk | Remaining form for side ditch floor slab |
| CN1842625A (en) * | 2004-03-29 | 2006-10-04 | 多田君生 | Bearing block for fabricating ladder and construction method for ladder by using same |
| KR100812132B1 (en) * | 2007-08-10 | 2008-03-12 | 주식회사 한양피씨 | Concret slab assembly |
| CN201125495Y (en) * | 2007-11-21 | 2008-10-01 | 河南玛纳建筑模板有限公司 | Concrete hollow stairs segment |
| CN201217898Y (en) * | 2008-06-19 | 2009-04-08 | 黑龙江宇辉新型建筑材料有限公司 | Concrete prefabricated stairs |
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2012
- 2012-08-15 CN CN2012102889389A patent/CN102888957A/en active Pending
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| DE2428314A1 (en) * | 1974-06-12 | 1975-12-18 | Juergen Dipl Ing Kleinsang | Extra lightweight prefabricated-component concrete shell ceiling - with cavities in non-reinforced areas of concrete slab's top side |
| CN1842625A (en) * | 2004-03-29 | 2006-10-04 | 多田君生 | Bearing block for fabricating ladder and construction method for ladder by using same |
| JP2005299344A (en) * | 2004-04-16 | 2005-10-27 | Yamaichi Yogyo Kk | Remaining form for side ditch floor slab |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343596A (en) * | 2013-07-10 | 2013-10-09 | 深圳市鹏城建筑集团有限公司 | Concrete stair structure |
| CN104141367A (en) * | 2014-07-07 | 2014-11-12 | 张跃 | Concrete stairs with hoisting seats and connecting pieces |
| CN104179306A (en) * | 2014-09-03 | 2014-12-03 | 四川华构住宅工业有限公司 | Assembly type beam type sliding support hollow stairway |
| CN104499664A (en) * | 2014-12-17 | 2015-04-08 | 张跃 | Lightweight concrete step and manufacturing method thereof |
| CN104533033A (en) * | 2014-12-17 | 2015-04-22 | 苏州工业园区设计研究院股份有限公司 | Ladder adopting sliding ladder beam |
| CN106223555A (en) * | 2016-08-18 | 2016-12-14 | 浙江绿城建筑设计有限公司 | A kind of without top cover forestair |
| CN107119865A (en) * | 2017-05-26 | 2017-09-01 | 江苏中城工业化住宅制造有限公司 | A kind of assembled steel skeleton lightweight concrete composition stair |
| CN109518897A (en) * | 2019-01-03 | 2019-03-26 | 中国建筑第五工程局有限公司 | Lightweight assembled folded plate and Cantilever Beams combined staircase |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CB02 | Change of applicant information |
Address after: Jiangdong District Baizhang road 315000 in Zhejiang province Ningbo City Exhibition Center No. 168 28C Applicant after: Yang Zhong Applicant after: Yang Feng Address before: 315000, AUX Road, No. 757 Li RI Road, Yinzhou District, Ningbo, Zhejiang, 502 Applicant before: Yang Zhong Applicant before: Yang Feng |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130123 |
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| RJ01 | Rejection of invention patent application after publication |