CN206267443U - A kind of prefabrication and assembly construction concrete structure stair - Google Patents

A kind of prefabrication and assembly construction concrete structure stair Download PDF

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Publication number
CN206267443U
CN206267443U CN201621372500.9U CN201621372500U CN206267443U CN 206267443 U CN206267443 U CN 206267443U CN 201621372500 U CN201621372500 U CN 201621372500U CN 206267443 U CN206267443 U CN 206267443U
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CN
China
Prior art keywords
steel bushing
reinforcing bar
stair
grouting
platform
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.)
Expired - Fee Related
Application number
CN201621372500.9U
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Chinese (zh)
Inventor
焦阳
沈德建
刘继伟
刘艳梅
严晶晶
王文婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
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Hohai University HHU
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Filing date
Publication date
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Priority to CN201621372500.9U priority Critical patent/CN206267443U/en
Application granted granted Critical
Publication of CN206267443U publication Critical patent/CN206267443U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of prefabrication and assembly construction concrete structure stair, including entablature, stair body, sill, first reinforcing bar, second reinforcing bar, 3rd reinforcing bar, grouting material, step, upper mounting plate is provided with stair body, staircase boards, lower platform, upper mounting plate is placed on entablature, lower platform is placed on sill, step is placed on staircase boards, upper mounting plate passes through the first steel bushing, first reinforcing bar, grouting material is connected with entablature, lower platform passes through the second steel bushing, second reinforcing bar, grouting material is connected with sill, staircase boards pass through the 3rd steel bushing, 3rd reinforcing bar, grouting material is connected grouting material with step.The utility model simple structure, stabilization, convenient transport, it is convenient to construct.

Description

A kind of prefabrication and assembly construction concrete structure stair
Technical field
This practicality is newly related to a kind of concrete structure stair, belongs to building field.
Background technology
Traditional form of construction work is lost the low mode of big and output to prefabricated via extensive, construction material before The transformation of assembling concrete structure construction direction.Prefabrication and assembly construction concrete structure compared with traditional approach can effectively energy-saving and emission-reduction, Traditional architectural design pattern and mode of construction is changed, scientific and technological content, performance and the quality of building is improve.To a certain degree On solve the problems, such as human resources shortage.Above all it can be effectively ensured construction quality, economize on resources, further Reduce cost.Prefabrication and assembly construction concrete structure stair are the important components of prefabrication and assembly construction concrete structure, in market Under demand, a kind of new prefabrication and assembly construction concrete structure stair are designed imperative.
Utility model content
A kind of prefabrication and assembly construction concrete structure stair, including entablature, stair body, sill, the first reinforcing bar, the second steel Muscle, the 3rd reinforcing bar, grouting material, step, entablature, stair body, sill, step are prefabricated component, and stair body includes upper flat Platform, staircase boards, lower platform, upper mounting plate are placed on entablature, and lower platform is placed on sill, and step is placed on staircase boards On, be provided with downward opening first steel bushing in upper mounting plate, the lower portion of the first reinforcing bar in entablature, the first reinforcing bar Upper portion is provided with grouting material, in lower platform in the first steel bushing between the first half of the first steel bushing and the first reinforcing bar Be provided with downward opening second steel bushing, the lower portion of the second reinforcing bar in sill, the upper portion of the second reinforcing bar in In second steel bushing, grouting material is provided between the first half of the second steel bushing and the second reinforcing bar, opening is provided with staircase boards The 3rd steel bushing upward, the upper portion of the 3rd reinforcing bar in step, the lower portion of the 3rd reinforcing bar in the 3rd steel bushing, Grouting material is provided between 3rd steel bushing and the lower half of the 3rd reinforcing bar.
Preferably:First steel bushing, the second steel bushing, the 3rd steel bushing are cylindrical shape.
Preferably:First steel bushing, the second steel bushing, a diameter of 50-100mm of the 3rd steel bushing.
Preferably:The bottom surface of the first steel bushing flushes with the lower surface of upper mounting plate.
Preferably:The bottom surface of the second steel bushing flushes with the lower surface of lower platform.
Preferably:The top surface of the 3rd steel bushing and the upper surface flush of staircase boards.
Beneficial effect:The utility model simple structure, stabilization, technique are easy, and it is convenient to construct, convenient transport, are applied in raising Cost input is reduced while working medium amount, the present situation of human resources shortage is solved to a certain extent, can effectively prevent existing Pour reinforced concrete stairs time-consuming, formwork it is complicated, the problems such as input cost is high, quality is difficult to up to standard.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is entablature structural representation.
Fig. 3 is Lower Crossbeam Structure schematic diagram.
Fig. 4 is stair body cross-sectional view.
Reference title is as follows:Reference title is as follows:1st, entablature;2nd, stair body;3rd, sill;4th, it is upper flat Platform;5th, staircase boards;6th, lower platform;7th, the first steel bushing;8th, the first reinforcing bar;9th, grouting material;10th, the second steel bushing;11st, the second steel Muscle;12nd, the 3rd steel bushing;13rd, the 3rd reinforcing bar;14th, step.
Specific embodiment
A kind of prefabrication and assembly construction concrete structure stair, including entablature 1, stair body 2, sill 3, the first reinforcing bar 8, Two reinforcing bars 11, the 3rd reinforcing bar 13, grouting material 9, step 14.Entablature 1, stair body 2, sill 3 and step 14 are prefabricated Part.Stair body 2 includes upper mounting plate 4, staircase boards 5, lower platform 6.Upper mounting plate 4 is placed on entablature 1, and lower platform 6 is placed on On sill 3, step 14 is placed on staircase boards 5.Downward opening first steel bushing 7, the first steel bushing are provided with upper mounting plate 4 Cylinder 7 is cylindrical shape, a diameter of 50-100mm of the first steel bushing 7.The bottom surface of the first steel bushing 7 is neat with the lower surface of upper mounting plate 4 Flat, do so can make the lower surface of upper mounting plate 4 be a plane, its object is to conveniently transport and upper mounting plate 4 can be made steady Fixed is placed on entablature 1.The lower half of the first reinforcing bar 8 is embedded in entablature 1, and the upper portion of the first reinforcing bar 8 is in In one steel bushing 7, grouting material 9 is provided between the first half of the first steel bushing 7 and the first reinforcing bar 8.The first half of the first reinforcing bar 8 Shape can be straight line, or T-shaped.First grouting material 9 is put into the first steel bushing 7 when mounted, the number of grouting material 9 Amount with fully-inserted first steel bushing 7 of the first half of the first reinforcing bar 8 when, grouting material 9 will not overflow the first steel bushing 7 and just It is defined full of the space between the first steel bushing 7 and the first reinforcing bar 8.The center of the first steel bushing 7 is directed at the first reinforcing bar 8, is made First steel bushing 7 is enclosed within the first reinforcing bar 8, and after grouting material 9 solidifies, upper mounting plate 4 is fixedly mounted on entablature 1.Lower platform 6 Downward opening second steel bushing 10 is inside provided with, the bottom surface of the second steel bushing 10 flushes with the lower surface of lower platform 6.Second steel The lower half of muscle 11 is embedded in sill 3, the upper portion of the second reinforcing bar 11 in the second steel bushing 10, the second steel bushing 10 Grouting material 9 is provided with and the first half of the second reinforcing bar 11 between.The installation method of lower platform 6 and sill 3 with upper mounting plate 4 with it is upper The installation method of crossbeam 1.The 3rd opening up steel bushing 12, the top surface and building of the 3rd steel bushing 12 are provided with staircase boards 5 The upper surface flush of gangboard 5.The lower portion of the 3rd reinforcing bar 13 is in the 3rd steel bushing 12, and the first half of the 3rd reinforcing bar 13 is pre-buried In step 14, grouting material 9 is provided between the 3rd steel bushing 12 and the lower half of the 3rd reinforcing bar 13.Step 14 and staircase boards 5 Installation method with upper mounting plate 4 and entablature 1 installation method.Second steel bushing 10, the 3rd steel bushing 12 can also be cylinder Shape, the second steel bushing 10, a diameter of 50-100mm of the 3rd steel bushing 12.It is upper flat in order to further improve the stability of stair Can be with pre-buried more than two first steel bushings 7 in platform 4, can be with pre-buried more than two with the phase of the first steel bushing 7 in entablature 1 Corresponding first reinforcing bar 8;In lower platform 6 can with pre-buried more than two second steel bushings 10,3 in sill in can be with pre-buried two Second reinforcing bar 11 corresponding with the second steel bushing 10 more than individual;Can be with pre-buried more than two 3rd steel bushings in staircase boards 5 Can be with pre-buried more than two threeth reinforcing bars 13 corresponding with the 3rd steel bushing 12 in cylinder 12, step 14.

Claims (6)

1. a kind of prefabrication and assembly construction concrete structure stair, it is characterised in that:Including entablature(1), stair body(2), sill (3), the first reinforcing bar(8), the second reinforcing bar(11), the 3rd reinforcing bar(13), grouting material(9), step(14), entablature(1), stair sheet Body(2), sill(3), step(14)It is prefabricated component, stair body(2)Including upper mounting plate(4), staircase boards(5), lower platform (6), upper mounting plate(4)It is placed on entablature(1)On, lower platform(6)It is placed on sill(3)On, step(14)It is placed on stair Plate(5)On, upper mounting plate(4)Inside it is provided with downward opening first steel bushing(7), the first reinforcing bar(8)Lower portion in upper horizontal stroke Beam(1)It is interior, the first reinforcing bar(8)Upper portion in the first steel bushing(7)It is interior, the first steel bushing(7)With the first reinforcing bar(8)It is upper Grouting material is provided between half portion(9), lower platform(6)Inside it is provided with downward opening second steel bushing(10), the second reinforcing bar (11)Lower portion in sill(3)It is interior, the second reinforcing bar(11)Upper portion in the second steel bushing(10)It is interior, the second steel bushing Cylinder(10)With the second reinforcing bar(11)The first half between be provided with grouting material(9), staircase boards(5)Inside it is provided with opening up Three steel bushings(12), the 3rd reinforcing bar(13)Upper portion in step(14)It is interior, the 3rd reinforcing bar(13)Lower portion in the 3rd Steel bushing(12)It is interior, the 3rd steel bushing(12)With the 3rd reinforcing bar(13)Lower half between be provided with grouting material(9).
2. stair according to claim 1, it is characterised in that:First steel bushing(7), the second steel bushing(10), the 3rd steel Sleeve(12)It is cylindrical shape.
3. stair according to claim 2, it is characterised in that:First steel bushing(7), the second steel bushing(10), the 3rd steel Sleeve(12)A diameter of 50-100mm.
4. stair according to claim 1, it is characterised in that:First steel bushing(7)Bottom surface and upper mounting plate(4)Under Surface flushes.
5. stair according to claim 1, it is characterised in that:Second steel bushing(10)Bottom surface and lower platform(6)Under Surface flushes.
6. stair according to claim 1, it is characterised in that:3rd steel bushing(12)Top surface and staircase boards(5)It is upper Surface flushes.
CN201621372500.9U 2016-12-14 2016-12-14 A kind of prefabrication and assembly construction concrete structure stair Expired - Fee Related CN206267443U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621372500.9U CN206267443U (en) 2016-12-14 2016-12-14 A kind of prefabrication and assembly construction concrete structure stair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621372500.9U CN206267443U (en) 2016-12-14 2016-12-14 A kind of prefabrication and assembly construction concrete structure stair

Publications (1)

Publication Number Publication Date
CN206267443U true CN206267443U (en) 2017-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621372500.9U Expired - Fee Related CN206267443U (en) 2016-12-14 2016-12-14 A kind of prefabrication and assembly construction concrete structure stair

Country Status (1)

Country Link
CN (1) CN206267443U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112814294A (en) * 2020-12-29 2021-05-18 北京观唐城投建设有限公司 Novel tongue-and-groove connecting structure of precast concrete ladder beam and construction process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112814294A (en) * 2020-12-29 2021-05-18 北京观唐城投建设有限公司 Novel tongue-and-groove connecting structure of precast concrete ladder beam and construction process thereof

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170620

Termination date: 20191214

CF01 Termination of patent right due to non-payment of annual fee