CN207392630U - A kind of anchoring type precast stair connection structure - Google Patents
A kind of anchoring type precast stair connection structure Download PDFInfo
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- CN207392630U CN207392630U CN201721466790.8U CN201721466790U CN207392630U CN 207392630 U CN207392630 U CN 207392630U CN 201721466790 U CN201721466790 U CN 201721466790U CN 207392630 U CN207392630 U CN 207392630U
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- stair
- overlapping platform
- concealed beam
- precast stair
- platform
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Abstract
The utility model discloses a kind of anchoring type precast stair connection structures, it includes precast stair, lower end overlaps platform and upper end overlapping platform, the lower end overlapping platform and upper end overlapping platform include preformed layer and in-situ layer, the top and bottom of the precast stair be respectively arranged with choose ear and under choose ear, the end that ear is overlapped on the preformed layer of the upper end overlapping platform is chosen on described, the end that ear is overlapped on the preformed layer of the lower end overlapping platform is chosen under described, double Bar Anchorage is reserved in the in-situ layer of upper end overlapping platform in the top, double Bar Anchorage is reserved in the in-situ layer of lower end overlapping platform in the lower part.The utility model overcomes the shortcomings that existing assembled stair globality is poor, and rigidity is smaller, and shock resistance is poor, improves the bonding strength of precast stair section and landing, enhances the globality of stair, meet the requirement of industrialized production.
Description
Technical field
The utility model is related to construction engineering technical fields, and in particular to a kind of anchoring type precast stair connection structure.
Background technology
With building energy conservation emission reduction and the development of housing industrialization and requirement, country starts to carry out assembled architecture energetically.
Assembled stair have also obtained development energetically as wherein important component.Main vertical friendship of the stair as building
Main thoroughfare during logical and emergency evacuation, normal use and emergency evacuation to whole building have important influence, stair
Assembling is also one of leading indicator of assembling rate of assembled architecture.
Traditional stair are generally using live formwork, worker's craft assembling reinforcement, primary concreting shaping, so have whole
The characteristics of body is good, and rigidity is larger, and shock resistance is strong.But traditional cast-in-situ stair tedious process, it is big by external influence factor, and
It is susceptible to quality problems.Existing assembled stair are generally using prefabrication, in-site installation, although simplifying process,
It is due to using joint form, globality is poor, and rigidity is smaller, and shock resistance is poor, needs therefore a kind of excellent with cast-in-situ stair
The integrally assembling staircase of point.
The content of the invention
The utility model is solution problems of the prior art, provides a kind of anchoring type precast stair connection structure,
Specific technical solution is as follows.
A kind of anchoring type precast stair connection structure, it is characterised in that：Its include precast stair, lower end overlapping platform and
Upper end overlaps platform, and the lower end overlapping platform and upper end overlapping platform include preformed layer and in-situ layer, the prefabricated building
The top and bottom of ladder be respectively arranged with choose ear and under choose ear, it is described on choose ear and be overlapped on the prefabricated of the upper end overlapping platform
The end of layer, chooses the end that ear is overlapped on the preformed layer of lower end overlapping platform under described, in the upper end of the precast stair
It is additionally provided with and the top of ear stretching is chosen from described reserves double reinforcing bar, be additionally provided in the lower end of the precast stair from described
Under choose the lower part of ear stretching and reserve double reinforcing bar, double Bar Anchorage is reserved in the cast-in-place of upper end overlapping platform in the top
In layer, double Bar Anchorage is reserved in the in-situ layer of lower end overlapping platform in the lower part.
In above-mentioned technical proposal, upper concealed beam of the double Bar Anchorage in the overlapping platform of the upper end is reserved on the top
Interior, the concealed beam bottom steel bar stress of the upper concealed beam is located in the preformed layer of upper end overlapping platform, the upper concealed beam it is dark
Beam surface layer steel bar stress is located in the in-situ layer of upper end overlapping platform, and a part for the stirrup of the upper concealed beam is positioned at described
In the preformed layer of upper end overlapping platform, another part is located in the in-situ layer of upper end overlapping platform；The lower part is pre-
Staying double Bar Anchorage, the concealed beam bottom steel bar stress of the lower concealed beam is located in the lower concealed beam in the overlapping platform of the lower end
In the preformed layer of the lower end overlapping platform, the concealed beam surface layer steel bar stress of the lower concealed beam is located at lower end overlapping platform
In in-situ layer, a part for the stirrup of the lower concealed beam is located in the preformed layer of lower end overlapping platform, and another part is located at
In the in-situ layer of lower end overlapping platform.The top and bottom of precast stair are anchored at upper end overlapping platform under respectively
Endlap is closed in the concealed beam of platform so that precast stair is securely connected with overlapping landing, and integrally assembling staircase is outside being subject to
The masterpiece used time, the double reinforcing bar that the external force on precast stair is reserved by both ends is transferred in the concealed beam of upper and lower part, then is led to
Concealed beam is crossed to pass on newel post or floor beam, power transmission is clear and definite, and stress is more reasonable, overcome existing assembled stair globality compared with
The shortcomings that difference, rigidity is smaller, and shock resistance is poor improves precast stair with overlapping the bonding strength of landing, enhances building
The globality of ladder.
In above-mentioned technical proposal, stair bottom steel bar stress and stair surface layer stress steel are provided in the precast stair
Muscle, the stair surface layer steel bar stress choose ear from described and stretch out the upper placing of reinforcement to form the top and reserve double reinforcing bar, institute
State in the upper end of precast stair set upper end add connection reinforcing bar form the lower placing of reinforcement that double reinforcing bar is reserved on the top；Institute
It states stair bottom steel bar stress and chooses ear under described and stretch out the lower placing of reinforcement to form the lower part and reserve double reinforcing bar, it is described prefabricated
The lower end set in the lower end of stair adds connection reinforcing bar and forms the upper placing of reinforcement that double reinforcing bar is reserved in the lower part.Using stair
Steel bar stress and additional connection reinforcing bar, which form reserved double reinforcing bar, can further enhance precast stair and upper and lower overlapping platform
Bonding strength, it is whole more preferable, while also reduce the use of reinforcing bar in precast stair to greatest extent, ensuring structure safety
The difficulty of construction is reduced on the basis of property.
Preferably, the top is reserved the upper placing of reinforcement of double reinforcing bar and is tied up with the concealed beam surface layer steel bar stress of the upper concealed beam
It pricks or is welded and fixed, the lower part is reserved the upper placing of reinforcement of double reinforcing bar and bound with the concealed beam surface layer steel bar stress of the lower concealed beam
Or it is welded and fixed.It is so provided with beneficial to the bonding strength for strengthening precast stair and concealed beam.
In above-mentioned technical proposal, lacing wire is connected between the stair bottom steel bar stress and stair surface layer steel bar stress.
Lacing wire is provided with beneficial to the integral strength for improving precast stair.
In above-mentioned technical proposal, reinforcing rib is additionally provided in the lower end of the precast stair, the reinforcing rib is U-shaped.Add
Strengthening tendons is provided with beneficial to the structural strength for strengthening precast stair lower end.
Advantageous effect
The shortcomings that existing assembled stair globality is poor, and rigidity is smaller, and shock resistance is poor is overcome, improves prefabricated building
The bonding strength of bench and landing enhances the globality of stair, meets the requirement of industrialized production.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model anchoring type precast stair connection structure；
Fig. 2 is the overall schematic of precast stair；
Reinforcing bar schematic diagram in Fig. 3 precast stairs；
Fig. 4 is the connecting node schematic diagram of precast stair upper end；
Fig. 5 is the connecting node schematic diagram of precast stair lower end.
In figure：Precast stair 1, lower end overlapping platform 2, upper end overlapping platform 3, preformed layer 4, in-situ layer 5, on choose ear 6, under
Choose ear 7, double reinforcing bar 8 is reserved on top, double reinforcing bar 9 is reserved in lower part, upper concealed beam 10, concealed beam bottom steel bar stress 11, concealed beam face
Layer steel bar stress 12, stirrup 13, lower concealed beam 14, stair bottom steel bar stress 15, stair surface layer steel bar stress 16, upper placing of reinforcement
17th, upper end adds connection reinforcing bar 18, lower placing of reinforcement 19, lower end add connection reinforcing bar 20, lacing wire 21, reinforcing rib 22.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1-5, a kind of anchoring type precast stair connection structure include precast stair 1, lower end overlapping platform 2 and on
Platform 3 is closed in endlap, and the lower end overlapping platform 2 and upper end overlapping platform 3 include preformed layer 4 and in-situ layer 5, described prefabricated
The top and bottom of stair 1 be respectively arranged with choose ear 6 and under choose ear 7, it is described on choose ear 6 and be overlapped on the upper end overlapping platform
The end that ear 7 is overlapped on the preformed layer 4 of the lower end overlapping platform 2, the prefabricated building are chosen in the end of 3 preformed layer 4 under described
It is additionally provided in the upper end of ladder 1 and the top of the stretching of ear 6 is chosen from described reserves double reinforcing bar 8, in the lower end of the precast stair 1
Be additionally provided with and the lower part of the stretching of ear 7 is chosen under described reserve double reinforcing bar 9, the top reserve double reinforcing bar 8 be anchored at it is described
In the in-situ layer 5 of upper end overlapping platform 3, the in-situ layer that double reinforcing bar 9 is anchored at the lower end overlapping platform 2 is reserved in the lower part
In 5.
Preferably, the top is reserved in the upper concealed beam 10 that double reinforcing bar 8 is anchored in the upper end overlapping platform 3, institute
The concealed beam bottom steel bar stress 11 for stating concealed beam 10 is located in the preformed layer 4 of upper end overlapping platform 3, the upper concealed beam 10
Concealed beam surface layer steel bar stress 12 is located in the in-situ layer 5 of upper end overlapping platform 3, one of the stirrup 13 of the upper concealed beam 10
Divide and be located in the preformed layer 4 of upper end overlapping platform 3, another part is located at the in-situ layer 5 that the upper end overlaps platform 3
It is interior；The lower part is reserved in the lower concealed beam 14 that double reinforcing bar 9 is anchored in the lower end overlapping platform 2, the lower concealed beam 14
Concealed beam bottom steel bar stress 11 is located in the preformed layer 4 of lower end overlapping platform 2, the concealed beam surface layer stress of the lower concealed beam 14
Reinforcing bar 12 is located in the in-situ layer 5 of lower end overlapping platform 2, the part of the stirrup 13 of the lower concealed beam 14 be located at it is described under
Endlap is closed in the preformed layer 4 of platform 2, and another part is located in the in-situ layer 5 of lower end overlapping platform 2.Precast stair
Top and bottom be anchored at respectively upper end overlapping platform and lower end overlapping platform concealed beam in so that precast stair with overlapping building
Terraced platform securely connects, integrally assembling staircase when external force is subject to act on, what the external force on precast stair was reserved by both ends
Double reinforcing bar is transferred in the concealed beam of upper and lower part, then is passed to by concealed beam in newel post or floor beam, and power transmission is clear and definite, stress
More rationally, the shortcomings that existing assembled stair globality is poor, and rigidity is smaller, and shock resistance is poor is overcome, improves prefabricated building
The bonding strength of ladder and overlapping landing enhances the globality of stair.
Preferably, stair bottom steel bar stress 15 and stair surface layer steel bar stress 16, institute are provided in the precast stair 1
It states stair surface layer steel bar stress 16 ear 6 is chosen from described and stretch out the upper placing of reinforcement 17 for being formed and reserving double reinforcing bar 8 in the top, institute
State in the upper end of precast stair 1 set upper end add connection reinforcing bar 18 form lower row's steel that double reinforcing bar 8 is reserved on the top
Muscle 19；The stair bottom steel bar stress 15 chooses ear 7 under described and stretches out the lower row's steel for being formed and reserving double reinforcing bar 9 in the lower part
Muscle 19, the lower end set in the lower end of the precast stair 1, which adds connection reinforcing bar 20 and forms the lower part, reserves double reinforcing bar 9
Upper placing of reinforcement 17.
Preferably, the upper placing of reinforcement 17 of double reinforcing bar 8 and the concealed beam surface layer stress of the upper concealed beam 10 are reserved in the top
Reinforcing bar 12 binds or is welded and fixed, and the upper placing of reinforcement 17 of double reinforcing bar 9 and the concealed beam face of the lower concealed beam 14 are reserved in the lower part
Layer steel bar stress 12 binds or is welded and fixed.
Preferably, it is connected with lacing wire 21 between the stair bottom steel bar stress 15 and stair surface layer steel bar stress 16.
Preferably, reinforcing rib 22 is additionally provided in the lower end of the precast stair, the reinforcing rib is U-shaped.
In the description of the utility model, it is to be understood that the instructions such as term " on ", " under ", " bottom " " interior ", " outer "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification
Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that limitation to the utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be interpreted as the limitation to the utility model, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
1. a kind of anchoring type precast stair connection structure, it is characterised in that：Its include precast stair, lower end overlapping platform and on
Platform is closed in endlap, and the lower end overlapping platform and upper end overlapping platform include preformed layer and in-situ layer, the precast stair
Top and bottom be respectively arranged with choose ear and under choose ear, it is described on choose the preformed layer that ear is overlapped on the upper end overlapping platform
End, choose the end that ear is overlapped on the preformed layer of lower end overlapping platform under described, in the upper end of the precast stair and also
It is provided with and the top of ear stretching is chosen from described reserves double reinforcing bar, be additionally provided in the lower end of the precast stair under described
Double reinforcing bar is reserved in the lower part for choosing ear stretching, and in-situ layer of the double Bar Anchorage in upper end overlapping platform is reserved on the top
Interior, double Bar Anchorage is reserved in the in-situ layer of lower end overlapping platform in the lower part.
2. anchoring type precast stair connection structure according to claim 1, which is characterized in that reserve double steel in the top
Muscle is anchored in the upper concealed beam in the upper end overlapping platform, and the concealed beam bottom steel bar stress of the upper concealed beam is located at the upper end
In the preformed layer for overlapping platform, the concealed beam surface layer steel bar stress of the upper concealed beam is located at the in-situ layer of upper end overlapping platform
Interior, a part for the stirrup of the upper concealed beam is located in the preformed layer of upper end overlapping platform, and another part is located at institute
In the in-situ layer for stating upper end overlapping platform；Reserve lower concealed beam of the double Bar Anchorage in the overlapping platform of the lower end in the lower part
Interior, the concealed beam bottom steel bar stress of the lower concealed beam is located in the preformed layer of lower end overlapping platform, the lower concealed beam it is dark
Beam surface layer steel bar stress is located in the in-situ layer of lower end overlapping platform, and a part for the stirrup of the lower concealed beam is positioned at described
In the preformed layer of lower end overlapping platform, another part is located in the in-situ layer of lower end overlapping platform.
3. anchoring type precast stair connection structure according to claim 1 or 2, which is characterized in that in the precast stair
It is provided with stair bottom steel bar stress and stair surface layer steel bar stress, the stair surface layer steel bar stress is chosen ear from described and stretched out
The upper placing of reinforcement that double reinforcing bar is reserved on the top is formed, the upper end set in the upper end of the precast stair adds connection reinforcing bar
Form the lower placing of reinforcement that double reinforcing bar is reserved on the top；The stair bottom steel bar stress chooses ear under described and stretches out to form institute
The lower placing of reinforcement that double reinforcing bar is reserved in lower part is stated, the lower end set in the lower end of the precast stair adds connection reinforcing bar and forms institute
State the upper placing of reinforcement that double reinforcing bar is reserved in lower part.
4. anchoring type precast stair connection structure according to claim 2, which is characterized in that reserve double steel in the top
The upper placing of reinforcement of muscle and the concealed beam surface layer steel bar stress of the upper concealed beam bind or are welded and fixed, and double reinforcing bar is reserved in the lower part
Upper placing of reinforcement and the lower concealed beam concealed beam surface layer steel bar stress binding or be welded and fixed.
5. anchoring type precast stair connection structure according to claim 1 or 2, which is characterized in that the stair bottom by
Lacing wire is connected between power reinforcing bar and stair surface layer steel bar stress.
6. anchoring type precast stair connection structure according to claim 1 or 2, which is characterized in that the precast stair
Reinforcing rib is additionally provided in lower end, the reinforcing rib is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466790.8U CN207392630U (en) | 2017-11-06 | 2017-11-06 | A kind of anchoring type precast stair connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466790.8U CN207392630U (en) | 2017-11-06 | 2017-11-06 | A kind of anchoring type precast stair connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN207392630U true CN207392630U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721466790.8U Active CN207392630U (en) | 2017-11-06 | 2017-11-06 | A kind of anchoring type precast stair connection structure |
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| CN (1) | CN207392630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762079A (en) * | 2017-11-06 | 2018-03-06 | 常德远大建筑工业有限公司 | A kind of anchoring type precast stair attachment structure |
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- 2017-11-06 CN CN201721466790.8U patent/CN207392630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762079A (en) * | 2017-11-06 | 2018-03-06 | 常德远大建筑工业有限公司 | A kind of anchoring type precast stair attachment structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210224 Address after: 410000 Junction of Lusong Road and Dongfanghong Road, Changsha High-tech Development Zone, Changsha City, Hunan Province Patentee after: CHANGSHA BROAD HOMES INDUSTRIAL GROUP Co.,Ltd. Address before: 415000 Guanxi Town, Dingcheng District, Changsha City, Hunan Province (zhangyao Road, Dingcheng high tech Industrial Park) Patentee before: CHANGDE BROAD ARCHITECTURAL INDUSTRY Co.,Ltd. Patentee before: CHANGSHA BROAD HOMES INDUSTRIAL GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |