CN109723140A - A kind of construction method between precast stair - Google Patents
A kind of construction method between precast stair Download PDFInfo
- Publication number
- CN109723140A CN109723140A CN201711042558.6A CN201711042558A CN109723140A CN 109723140 A CN109723140 A CN 109723140A CN 201711042558 A CN201711042558 A CN 201711042558A CN 109723140 A CN109723140 A CN 109723140A
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Abstract
The invention discloses the construction method between a kind of precast stair, include the following steps: 1) scribing line positioning；2) installation partition wall and exterior wall and cast-in-place pillar and exterior wall bottom groove connecting portion；3) interbed platform is installed；4) stair are installed；5) beam floor is installed；6) floor platform is installed；7) stair are installed；8) it binds cast-in-place beam steel and pours the connecting portion between Cast-in-situ Beam and component；9) mold and supporting element are removed.Using the construction method between precast stair of the present invention, reinforcing bar quality of connection is safe and reliable between component, the pillar and girder of staircase main body frame are cast-in-place structural, guarantee the stability of building body frame, to improve the globality and shock resistance of staircase；Staircase is entirely prefabricated, operates convenient for subsequent construction, has many advantages, such as to improve staircase assembly rate, reduces template, saves and shore, simplify construction method and shorten the construction time.
Description
Technical field
Construction method the present invention relates to assembled architecture technical field of construction, between specifically a kind of precast stair.
Background technique
Stair construction method is divided into traditional cast-in-place structural and prefabricated construction in construction.Traditional cast-in-place structural can
To give full play to the plasticity of armored concrete, structural behaviour is good, widely applicable, but has that speed of application is slow, formwork is difficult
And the disadvantages of complex procedures.And prefabricated construction be using each component first plant produced transport again to construction site into
Row installation has and reduces the environmental pollutions such as fugitive dust and building waste, simplify construction method, shorten the construction period and guarantee prefabricated components matter
The advantages that amount.Currently, generally using stair to be prefabricated in the construction of staircase, landing and stair division wall are
Cast-in-place mode has the shortcomings that assembly rate is small and the construction time is long；In prefabricated construction, building body frame and building
The globality and shock resistance of the prefabricated components such as ladder installation are not as good as traditional cast-in-place structural, therefore the installation connection between prefabricated components is outstanding
It is important.
Summary of the invention
It is an object of that present invention to provide the construction methods between a kind of precast stair, it is intended to improve assembly rate, saving is shored, letter
Change construction method, shorten the construction time, improves the globality and shock resistance of staircase main body frame.
The present invention solves above-mentioned technical problem with following technical solution:
Construction method between precast stair of the present invention, its operating procedure are as follows:
1) scribing line positioning: positioning of crossing on base surface or flooring determines the installation site of each prefabricated components；
2) partition wall and exterior wall are installed: first being starched in the base surface of installation wall or the flooring seat of honour, then by exterior wall and staircase two
Side partition wall lifts in place respectively, installs wall bearing diagonal part, by exposed steel bar in the mounting groove of partition wall bottom and base surface or bottom
Flooring reserved steel bar is connected and fixed, and binds cast-in-place pillar reinforcing bar, installs the mold of pillar and mounting groove, pillar and mounting groove are poured
Full concrete；
3) interbed platform is installed: lifting interbed platform, by the vertical of the installation groove I of interbed platform surrounding and partition wall boss
Reserved steel bar I places interbed platform on partition wall boss after being aligned；
4) install stair: stair upper end convex block is placed in the L connected in star II of interbed platform, under stair by lifting stair
End convex block is placed in staircase basis pit or the L connected in star IV of floor platform；
5) beam floor is installed: being starched in partition wall head base, lift staircase both sides respectively has beam floor, by beam one end band
The groove of protruding bar places beam on partition wall after being aligned with the exposed steel bar at the top of partition wall；
6) install floor platform: lifting floor platform by the installation groove II at III both ends of floor platform L connected in star and has beam
The vertical reserved steel bar II of floor boss is placed on floor platform Yu Youliang floor boss after being aligned；
7) install stair: stair both ends convex block is respectively placed in the L connected in star II and floor of interbed platform by lifting stair
In the L connected in star IV of platform；
8) connecting portion between Cast-in-situ Beam and component is poured: the scene binding cast-in-place beam steel in staircase both sides, and will have beam
Floor both ends protruding bar and floor platform end protruding bar are connected and fixed with cast-in-place beam steel, install Cast-in-situ Beam combination die
Tool, pours full concrete by Cast-in-situ Beam pouring molding, while by installation groove I, L connected in star I, installation groove II and L connected in star III；
9) mold and supporting element are removed: removing pillar after the completion of to be onstructed and groove mould, Cast-in-situ Beam group are installed in partition wall bottom
The installation between first floor ladder can be completed in molding tool and wall bearing diagonal part, and the staircase installation of every floor is as above-mentioned construction is grasped
Make.
First vertical reserved steel bar I and reserved steel bar in installation groove I are connected and fixed before step 8), vertical reserved steel bar
II is connected and fixed with reserved steel bar in installation groove II.
First stair protruding bar and interbed platform protruding bar are connected and fixed in L connected in star I before step 8), and will
Reserved steel bar or floor platform protruding bar are connected and fixed in stair protruding bar and pit, wherein stair protruding bar and building
Layer platform protruding bar is connected and fixed in L connected in star III.
The partition wall, interbed platform, stair, has beam floor and floor platform to transport again in plant produced in advance at exterior wall
In-site installation.
The installation groove I of the interbed platform is less than partition wall boss, and the installation groove II of floor platform, which is less than, beam floor
Boss.
Compared with prior art, the invention has the following advantages:
1. the pillar and girder of staircase main body frame are cast-in-place structural, guarantee the continuity and stabilization of building body frame
Property, to improve the globality and shock resistance of staircase.
2. the stair of staircase, landing, part beam, partition wall and exterior wall be it is prefabricated, staircase is entirely prefabricated, is convenient for
Subsequent construction operates, and has raising staircase assembly rate, a large amount of templates of reduction, simplified construction method and shortening construction time etc. excellent
Point.
3. in the construction method between precast stair of the present invention, stair and interbed platform and floor platform, interbed platform and two
Side partition wall and floor platform and having is all made of reinforcing bar connection and casting concrete between beam floor, quality of connection is good, globality
By force, guarantee construction quality.
4. in the construction method between precast stair of the present invention, partition wall uses Partial Shear wall construction, its bearing capacity is improved,
Play the role of supporting interbed platform and stair, there is beam floor to play support floor platform and stair, convenient for stair
Installation, saving are shored.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preferred embodiment between precast stair of the present invention.
Fig. 2 is the mounting structure schematic diagram of mid-board between precast stair of the present invention, interbed platform and stair.
Fig. 3 be between precast stair of the present invention in have the mounting structure schematic diagrams of beam floor, floor platform and stair.
In figure: 1. cast-in-place pillars, 2. floor platforms, 3. Cast-in-situ Beams, 4. stair, 5. exterior walls, 6. fenestrate exterior walls, 7. interbeds are flat
Platform, 8. partition walls, 9. have beam floor, 10. wall bearing diagonal parts, 11. partition wall boss, 12. vertical reserved steel bars I, 13. installation grooves
I, 14.L connected in star II, 15.L connected in star I, 16. interbed platform protruding bars, 17. convex blocks, 18. stair protruding bars, 19. mend
Strong reinforcing bar, 20. have a beam floor boss, 21.L connected in star III, 22. installation grooves II, 23.L connected in star IV, outside 24. floor platforms
Stretch reinforcing bar, 25. vertical reserved steel bars II.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, specific implementation method of the present invention is done further with reference to the accompanying drawing
Explanation.
As shown in Figure 1, Figure 2 and Figure 3, the construction method between precast stair of the present invention, its operating procedure are as follows:
1) scribing line positioning: positioning of crossing on base surface or flooring determines the installation site of each prefabricated components；
2) partition wall 8 and exterior wall 5 are installed: first being starched in the base surface of installation wall or the flooring seat of honour, then by exterior wall 5 and staircase
Both sides partition wall 8 lifts in place respectively, installs wall bearing diagonal part 10, by exposed steel bar and base surface in 8 bottom mounting groove of partition wall
Or bottom flooring reserved steel bar is connected and fixed, and binds cast-in-place 1 reinforcing bar of pillar, installs the mold of pillar and mounting groove, by pillar and
Mounting groove pours full concrete；
3) interbed platform 7 is installed: lifting interbed platform 7, by the installation groove I 13 of 7 surrounding of interbed platform and partition wall boss
11 vertical reserved steel bar I 12 places interbed platform 7 on partition wall boss 11 after being aligned；
4) install stair 4: stair upper end convex block 17 is placed in the L connected in star II 14 of interbed platform 7 by lifting stair 4,
Stair lower end convex block 17 is placed in staircase basis pit or the L connected in star IV 23 of floor platform 2；
5) beam floor 9 is installed: being starched in 8 head base of partition wall, lift staircase both sides respectively has beam floor 9, by beam one
Groove of the end with protruding bar places beam on partition wall 8 after being aligned with the exposed steel bar at 8 top of partition wall；
6) floor platform 2 is installed: lifting floor platform 2, by the installation groove II 22 at III 21 both ends of floor platform L connected in star
It is placed on 2 Yu Youliang floor boss 20 of floor platform after being aligned with the vertical reserved steel bar II 25 for having beam floor boss 20；
7) install stair 4: stair both ends convex block 17 is respectively placed in the L connected in star II of interbed platform 7 by lifting stair 4
14 and floor platform 2 L connected in star IV 23 in；
8) connecting portion between Cast-in-situ Beam 3 and component is poured: the reinforcing bar of scene binding staircase both sides Cast-in-situ Beam 3, and will
There are 9 both ends protruding bar of beam floor and 2 end protruding bar of floor platform and the reinforcing bar of Cast-in-situ Beam 3 to be connected and fixed, installs cast-in-place
Beam composable mold, by 3 pouring molding of Cast-in-situ Beam, and meanwhile installation groove I 13, L connected in star I 15, installation groove II 22 and L shape is recessed
Slot III 21 pours full concrete；
9) mold and supporting element are removed: removing pillar after the completion of to be onstructed and groove mould, Cast-in-situ Beam group are installed in partition wall bottom
The installation between first floor ladder can be completed in molding tool and wall bearing diagonal part 10, and the staircase installation of every floor is such as above-mentioned construction
Operation.
In above-mentioned steps, first vertical reserved steel bar I 12 is connect admittedly with reserved steel bar in installation groove I 13 before step 8)
Fixed, vertical reserved steel bar II 25 is connected and fixed with reserved steel bar in installation groove II 22.
In above-mentioned steps, before step 8) first in L connected in star I 15 by stair protruding bar 18 and the overhanging steel of interbed platform
Muscle 16 is connected and fixed by increasing reinforcing bar 19, and will be outside reserved steel bar in stair protruding bar 18 and pit or floor platform
It stretches reinforcing bar 24 and is connected and fixed by increasing reinforcing bar 19, wherein stair protruding bar 18 and floor platform protruding bar 24 are in L
It is connected and fixed in connected in star III 21.
In the method for the present invention, the partition wall 8, interbed platform 7, stair 4, has beam floor 9 and floor platform 2 preparatory at exterior wall 5
In-site installation is transported again in plant produced, wherein staircase exterior wall is divided into windowless exterior wall 5 and fenestrate exterior wall 6；The interbed
The installation groove I 13 of platform 7 is less than partition wall boss 11, and the installation groove II 22 of floor platform 2, which is less than, beam floor boss 20.
Using the construction method between precast stair of the present invention, reinforcing bar quality of connection is safe and reliable between component, staircase master
The pillar and girder of body frame are cast-in-place structural, guarantee the stability of building body frame, to improve staircase
Globality and shock resistance；Staircase is entirely prefabricated, operates convenient for subsequent construction, has and improves staircase assembly rate, reduces mould
The advantages that plate, saving are shored, simplify construction method and shorten the construction time.
Claims (5)
1. the construction method between precast stair, which comprises the steps of:
1) scribing line positioning: positioning of crossing on base surface or flooring determines the installation site of each prefabricated components；
2) partition wall and exterior wall are installed: first being starched in the base surface of installation wall or the flooring seat of honour, then by exterior wall and staircase both sides every
Wall lifts in place respectively, installs wall bearing diagonal part, by exposed steel bar in the mounting groove of partition wall bottom and base surface or bottom flooring
Reserved steel bar is connected and fixed, and binds cast-in-place pillar reinforcing bar, installs the mold of pillar and mounting groove, pillar and mounting groove is poured completely mixed
Solidifying soil；
3) install interbed platform: lifting interbed platform reserves the installation groove I of interbed platform surrounding and the vertical of partition wall boss
Reinforcing bar I places interbed platform on partition wall boss after being aligned；
4) install stair: stair upper end convex block is placed in the L connected in star II of interbed platform, stair lower end is convex by lifting stair
Block is placed in staircase basis pit or the L connected in star IV of floor platform；
5) beam floor is installed: being starched in partition wall head base, lift staircase both sides respectively has beam floor, and beam one end band is overhanging
The groove of reinforcing bar places beam on partition wall after being aligned with the exposed steel bar at the top of partition wall；
6) install floor platform: lifting floor platform by the installation groove II at III both ends of floor platform L connected in star and has beam floor
The vertical reserved steel bar II of boss is placed on floor platform Yu Youliang floor boss after being aligned；
7) install stair: stair both ends convex block is respectively placed in the L connected in star II and floor platform of interbed platform by lifting stair
L connected in star IV in；
8) connecting portion between Cast-in-situ Beam and component is poured: the scene binding cast-in-place beam steel in staircase both sides, and will have beam floor
Both ends protruding bar and floor platform end protruding bar are connected and fixed with cast-in-place beam steel, install Cast-in-situ Beam composable mold, will
Cast-in-situ Beam pouring molding, while installation groove I, L connected in star I, installation groove II and L connected in star III are poured into full concrete；
9) mold and supporting element are removed: removing pillar after the completion of to be onstructed and groove mould, Cast-in-situ Beam combination die are installed in partition wall bottom
The installation between first floor ladder can be completed in tool and wall bearing diagonal part, and the staircase installation of every floor is such as above-mentioned constructing operation.
2. the construction method between precast stair according to claim 1, which is characterized in that first will be vertically pre- before step 8)
Reinforcing bar I is stayed to be connected and fixed with reserved steel bar in installation groove I, vertical reserved steel bar II is connect with reserved steel bar in installation groove II
It is fixed.
3. the construction method between precast stair according to claim 1, which is characterized in that first recessed in L shape before step 8)
Stair protruding bar and interbed platform protruding bar are connected and fixed in slot I, and steel will be reserved in stair protruding bar and pit
Muscle or floor platform protruding bar are connected and fixed, wherein stair protruding bar and floor platform protruding bar are in L connected in star III
It is connected and fixed.
4. the construction method between precast stair according to claim 1, which is characterized in that the partition wall, exterior wall, interbed are flat
Platform, stair have beam floor and floor platform to transport in-site installation again in plant produced in advance.
5. the construction method between precast stair according to claim 1, which is characterized in that the installation of the interbed platform is recessed
Slot I is less than partition wall boss, and the installation groove II of floor platform, which is less than, beam floor boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042558.6A CN109723140B (en) | 2017-10-30 | 2017-10-30 | Construction method of prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042558.6A CN109723140B (en) | 2017-10-30 | 2017-10-30 | Construction method of prefabricated staircase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723140A true CN109723140A (en) | 2019-05-07 |
| CN109723140B CN109723140B (en) | 2021-02-23 |
Family
ID=66293053
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711042558.6A Expired - Fee Related CN109723140B (en) | 2017-10-30 | 2017-10-30 | Construction method of prefabricated staircase |
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| Country | Link |
|---|---|
| CN (1) | CN109723140B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924568A (en) * | 2019-10-24 | 2020-03-27 | 中天西北建设投资集团有限公司 | Method for constructing stair partition wall by adopting precast concrete hollow wall board |
| CN111188501A (en) * | 2020-02-23 | 2020-05-22 | 哈尔滨达城绿色建筑股份有限公司 | Split-assembly block building stairwell and wallboard same-layer construction method thereof |
| CN111962666A (en) * | 2019-05-20 | 2020-11-20 | 润弘精密工程事业股份有限公司 | Construction method of building internal structure |
| CN112209205A (en) * | 2020-10-20 | 2021-01-12 | 张跃 | Modular elevator/stair structure |
| CN113789925A (en) * | 2021-09-23 | 2021-12-14 | 山东大学 | Fast-assembling steel pipe concrete superposed shear wall staircase and installation method |
| CN116335355A (en) * | 2023-04-10 | 2023-06-27 | 中一达建设集团有限公司 | Assembled stair construction process and construction support |
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| JPH07207862A (en) * | 1994-01-10 | 1995-08-08 | Fujita Corp | Precast concrete stair |
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| CN105839836A (en) * | 2016-05-30 | 2016-08-10 | 上海建工二建集团有限公司 | Precast concrete shear wall component and construction method thereof |
| CN205712818U (en) * | 2016-04-13 | 2016-11-23 | 山东齐兴住宅工业有限公司 | A kind of lightweight integrally assembling staircase |
| CN206174195U (en) * | 2016-09-29 | 2017-05-17 | 沈阳建筑大学建筑设计研究院 | Assembled concrete shear force wall split, assemble connection structure |
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2017
- 2017-10-30 CN CN201711042558.6A patent/CN109723140B/en not_active Expired - Fee Related
Patent Citations (8)
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|---|---|---|---|---|
| JPH07207862A (en) * | 1994-01-10 | 1995-08-08 | Fujita Corp | Precast concrete stair |
| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962666A (en) * | 2019-05-20 | 2020-11-20 | 润弘精密工程事业股份有限公司 | Construction method of building internal structure |
| CN110924568A (en) * | 2019-10-24 | 2020-03-27 | 中天西北建设投资集团有限公司 | Method for constructing stair partition wall by adopting precast concrete hollow wall board |
| CN111188501A (en) * | 2020-02-23 | 2020-05-22 | 哈尔滨达城绿色建筑股份有限公司 | Split-assembly block building stairwell and wallboard same-layer construction method thereof |
| CN112209205A (en) * | 2020-10-20 | 2021-01-12 | 张跃 | Modular elevator/stair structure |
| CN113789925A (en) * | 2021-09-23 | 2021-12-14 | 山东大学 | Fast-assembling steel pipe concrete superposed shear wall staircase and installation method |
| CN116335355A (en) * | 2023-04-10 | 2023-06-27 | 中一达建设集团有限公司 | Assembled stair construction process and construction support |
| CN116335355B (en) * | 2023-04-10 | 2023-11-24 | 中一达建设集团有限公司 | Assembled stair construction process and construction support |
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| Publication number | Publication date |
|---|---|
| CN109723140B (en) | 2021-02-23 |
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