CN108755974A - The connection structure and construction method of the integral prefabricated partition plate of cantilever stair - Google Patents
The connection structure and construction method of the integral prefabricated partition plate of cantilever stair Download PDFInfo
- Publication number
- CN108755974A CN108755974A CN201810850063.4A CN201810850063A CN108755974A CN 108755974 A CN108755974 A CN 108755974A CN 201810850063 A CN201810850063 A CN 201810850063A CN 108755974 A CN108755974 A CN 108755974A
- Authority
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- China
- Prior art keywords
- prefabricated partition
- partition board
- stair
- built
- embedded
- 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
- 238000005192 partition Methods 0.000 title claims abstract description 125
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 37
- 239000008397 galvanized steel Substances 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000004886 process control Methods 0.000 claims description 28
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 210000002435 tendon Anatomy 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 239000011449 brick Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The present invention gives a kind of connection structures of the integral prefabricated partition plate of cantilever stair；Including transversal connecting assembly, several vertical connecting assemblies；The pre- prefabricated partition board of nuzzling of a galvanized steel plain sheet part of transversal connecting assembly, galvanized steel plain sheet another part stretch out outside prefabricated partition board, and two stair stringer built-in fittings are embedded in the stair stringer of both sides in advance respectively, fixed between two stair stringer built-in fittings and galvanized steel plain sheet；Two embedded nuts of vertical connecting assembly are embedded in advance in two prefabricated partition boards, and connection bolt passes through junction steel plate to coordinate with embedded nut.The connection structure improves the connection type of prefabricated partition board, realizes the full prefabrication and assembly construction between cantilever stair.The present invention gives a kind of construction method for realizing above-mentioned connection structure, including：Manufacture prefabricated partition board；Built-in fitting fabrication and installation in stair stringer；Hoisting prefabricated partition plate；Plate stitch processing；Pea gravel concreten is poured to connecting portion.This construction party rule has the advantages that construction efficiency height, stable structure, quality controllable.
Description
Technical field
The present invention relates to a kind of connection structures of the integral prefabricated partition plate of cantilever stair.
The present invention relates to a kind of construction methods of connection structure that realizing the integral prefabricated partition plate of cantilever stair.
Background technology
To meet the requirement of building fire protection specification, fire partition, normal conditions should be set between general two cantilever stairs
This lower partition wall is formed by poured in place concrete or wall of laying bricks.In fabricated assembly overall structure, use precast reinforced
Concrete staircase, if using the above method again, live formwork supporting plate, assembling reinforcement, casting concrete can reduce the construction of staircase
Efficiency influences stair construction period.Scene builds partition wall by laying bricks or stones and is also required to plastering painting, increases artificial and material, and quality is difficult to control.
It is easy to cause the damage of finished product stair simultaneously, is unfavorable for the popularization and application of precast stair.
Invention content
Technical problem to be solved by the invention is to provide a kind of cantilever stair simple in structure, rationally distributed is integral prefabricated
The connection structure of partition plate.
The technical problem to be solved by the present invention is to also provide a kind of connection for realizing the integral prefabricated partition plate of cantilever stair
The construction method of structure.
In order to solve the above technical problems, the present invention provides a kind of connection structures of the integral prefabricated partition plate of cantilever stair；
Including at least for connecting prefabricated partition board and stair stringer transversal connecting assembly, it is several for it is fixed arbitrary up and down
The vertical connecting assembly of contiguous prefabricated partition plate；
The transversal connecting assembly includes two galvanized steel plain sheets and two stair stringer built-in fittings, and two galvanized steel plain sheet settings exist
Prefabricated partition board both sides upper end, the pre- prefabricated partition board of nuzzling of a galvanized steel plain sheet part, described galvanized steel plain sheet another part are stretched
Go out outside prefabricated partition board, two stair stringer built-in fittings correspond to the stair that galvanized steel plain sheet position is embedded in prefabricated partition board both sides in advance respectively
In beam, it is fixedly connected between two stair stringer built-in fittings and galvanized steel plain sheet；
The vertical connecting assembly includes junction steel plate, two embedded nuts and two connection bolts, two embedded nuts
It is embedded in advance respectively in upper and lower two neighboring prefabricated partition board, two connection bolts are each passed through junction steel plate and match with embedded nut
It closes.
After such structure, the connection structure of the integral prefabricated partition plate of this cantilever stair improves prefabricated partition board
Connection type installs prefabricated partition board, eliminates pouring for stair division wall beam and building by laying bricks or stones for partition wall after precast stair installation
Journey realizes the full prefabrication and assembly construction between cantilever stair, and structure is safe and reliable, saves manually, improves installation effectiveness.
For the clearer technology contents for understanding the present invention, below by the connection of the integral prefabricated partition plate of this cantilever stair
Structure is referred to as this connection structure.
The thickness of the prefabricated partition board of this connection structure is more than or equal to 100mm；After such structure, prefabricated partition board
Thickness meet the design needs of this connection structure.
This connection structure further includes lifting built-in fitting, and lifting built-in fitting is embedded in prefabricated partition board, on prefabricated partition board
End face is preset with lifting groove, and lifting built-in fitting upper end is in lifting groove；After such structure, facilitate prefabricated partition wall
Plate lifts.
This connection structure further includes elevation control assembly, and elevation control assembly includes high process control nut and high process control spiral shell
Bolt, high process control nut are embedded in prefabricated partition board, high process control bolt and high process control nut coordinate and stretch out it is prefabricated every
Wallboard upper surface；After such structure, high process control bolt is screwed into the high process control nut of lower layer's prefabricated partition board, can
To achieve the purpose that control this layer of prefabricated partition board bottom surface absolute altitude.
It is sealed using stainless steel box on the outside of the junction steel plate of this connection structure；After such structure, stainless steel box can
To play a protective role to junction steel plate.
The galvanized steel plain sheet size of this connection structure is 600mm*100mm*10mm；After such structure, junction steel plate
Meet the design needs of this connection structure.
In order to solve the above technical problems, the present invention also provides the companies for realizing the above-mentioned integral prefabricated partition plate of cantilever stair
The construction method of binding structure, includes the following steps：
(1) prefabricated partition board is manufactured：
It is preset with lifting groove in prefabricated partition board upper surface, lifting built-in fitting is embedded in prefabricated partition board, and lifting is pre-
Embedded part upper end is in lifting slot, and high process control nut is embedded in prefabricated partition board, and the threaded hole of high process control nut extends
To prefabricated partition board upper surface, the embedded nut of the vertical connecting assembly is also embedded in prefabricated partition board, embedded nut
Threaded hole extends to prefabricated partition board side wall, and a galvanized steel plain sheet part for transversal connecting assembly is nuzzled in prefabricated partition board in advance, institute
It states galvanized steel plain sheet another part and stretches out prefabricated partition board upper outside；
(2) built-in fitting fabrication and installation in stair stringer：
A stair stringer built-in fitting part is embedded in every layer of stair stringer, stair stringer built-in fitting and stair in stair stringer
Beam reinforcement cages are fixed, and stair stringer built-in fitting another part stretches out outside stair stringer；
(3) hoisting prefabricated partition plate：
Prefabricated partition board is lifted to designated position by lifting built-in fitting, passes through high process control bolt and high process control spiral shell
Mother's cooperation, controls this layer of prefabricated partition board bottom surface absolute altitude, the galvanized steel plain sheet of prefabricated partition board both sides and the stair stringer of stair stringer are pre-
Embedded part is bolted fixed and welds；Two connection bolts of the vertical connecting assembly pass through junction steel plate and are in upper
Under embedded nut cooperation in adjacent two prefabricated partition boards；
(4) plate stitch is handled：
It is filled using polyphenyl in the middle part of gap between arbitrary upper and lower adjacent prefabricated partition board, 20mm* is noted in polyphenyl both sides
20mm fluid sealants, junction steel plate outside are sealed using stainless steel box；
(5) C30 microdilatancy pea gravel concretens are poured to galvanized steel plain sheet and stair stringer built-in fitting connecting portion, C30 microdilatancies are thin
The corresponding transversal connecting assembly of stone concrete covering, completes construction operation.
After such method, prefabricated partition board and stair stringer is made to be obtained for specification, phase from pouring to connection construction
Live formwork supporting plate, assembling reinforcement, casting concrete can reduce the construction efficiency of staircase than in the prior art, influence stair construction
Period, scene build partition wall by laying bricks or stones and are also required to plastering painting, increase artificial and material, the uncontrollable deficiency of quality, and this scissors building
The construction party rule of the connection structure of the integral prefabricated partition plate of ladder has construction efficiency height, stable structure, artificial and material cost
Low, quality controllable advantage.
Description of the drawings
Fig. 1 is the installation status diagram of this connection structure embodiment.
Fig. 2 is the portions the A enlarged drawing of Fig. 1.
Fig. 3 is the portions the B enlarged drawing of Fig. 1.
Fig. 4 is the portions the C enlarged drawing of Fig. 1.
Fig. 5 is the installation condition sectional view of vertical connecting assembly in this connection structure embodiment.
Specific implementation mode
As shown in Fig. 1 to 5
This connection structure includes that the transversal connecting assembly of prefabricated partition board 5 and stair stringer 6, two groups for fixing for connecting
Vertical connecting assembly, two groups of elevation control assemblies and the two lifting built-in fittings 3 of arbitrary neighbouring prefabricated partition board 5；
Transversal connecting assembly includes two galvanized steel plain sheets 11 and two stair stringer built-in fittings 12, and two galvanized steel plain sheets 11 are arranged
In 5 left and right end face upper end of prefabricated partition board, 11 part of the galvanized steel plain sheet is nuzzled in prefabricated partition board 5 in advance, the galvanized steel
11 another part of plate stretches out outside prefabricated partition board 5, and 11 size of galvanized steel plain sheet is 600mm*100mm*10mm.
11 position of galvanized steel plain sheet that stair stringer 6 corresponds to prefabricated partition board 5 is equipped with stair stringer built-in fitting 12, stair stringer built-in fitting
12 parts are embedded in stair stringer 6, and 12 another part of stair stringer built-in fitting stretches out 6 upside of stair stringer (in 6 upside of stair stringer
Stair stringer built-in fitting 12 be angle bar shape), there are the opening that the galvanized steel plain sheet 11 for prefabricated partition board 5 stretches into, two stair stringers
It first passes through to be bolted between built-in fitting 12 and galvanized steel plain sheet 11 and be welded and fixed.
Arbitrary upper and lower two neighboring prefabricated partition board 5 is connected and fixed by two groups of vertical connecting assemblies, and two groups longitudinally connected
Component or so be distributed, every group of vertical connecting assembly include 21, two embedded nuts 22 of junction steel plate and two connection bolts 23, two
A embedded nut 22 is embedded in advance respectively in upper and lower two neighboring prefabricated partition board 5, and the threaded hole of embedded nut 22 extends to prefabricated
On 5 front end face of partition plate, two connection bolts 23 are each passed through the reserved through-hole of junction steel plate 21 and are screwed into embedded nut 22 admittedly
Fixed, 21 outside of junction steel plate is sealed using stainless steel box (not shown in FIG.).
Lifting built-in fitting 3 is embedded in prefabricated partition board 5, the default lifting groove 52 in 5 upper surface of prefabricated partition board, and lifting is pre-
3 upper end of embedded part is in lifting groove 52.
Elevation control assembly includes high process control nut 42 and high process control bolt 41, and high process control nut 42 is embedded in pre-
In partition plate 5 processed, high process control bolt 41 coordinates with high process control nut 42 and stretches out 5 upper surface of prefabricated partition board.
The construction method for realizing this connection structure is specifically introduced in conjunction with this above-mentioned connection structure, is included the following steps：
(1) prefabricated partition board 5 is made：
It is preset with lifting groove 52 in 5 upper surface of prefabricated partition board, lifting built-in fitting 3 is embedded in prefabricated partition board 5, hangs
It fills 3 upper end of built-in fitting to be in lifting slot, high process control nut 42 is embedded in prefabricated partition board 5, high process control nut 42
Threaded hole extends to 5 upper surface of prefabricated partition board, and the embedded nut 22 of the vertical connecting assembly is also embedded in prefabricated partition board 5
Interior, the threaded hole of embedded nut 22 extends to the front end face of prefabricated partition board 5, is equipped in 5 left and right end face upper end of prefabricated partition board
11 one end of galvanized steel plain sheet of the lap segment 51 of protrusion, transversal connecting assembly is stretched into the lap segment 51 of prefabricated partition board 5, and is plated
Zinc steel plate 11 is welded and fixed with the framework of steel reinforcement inside prefabricated partition board 5, and 11 other end of galvanized steel plain sheet stretches out prefabricated partition board 5,
Prefabricated partition board 5 other pour process and original prefabricated partition board 5 pour that process is consistent, the thickness of prefabricated partition board 5 is big
In equal to 100mm；
(2) built-in fitting fabrication and installation in terraced beam：
11 position of galvanized steel plain sheet that every layer of stair stringer 6 all corresponds to prefabricated partition board 5 is equipped with stair stringer built-in fitting 12, stair
12 part of beam built-in fitting is embedded in stair stringer 6, the stair stringer built-in fitting 12 in stair stringer 6 and 6 reinforcing bar of stair stringer
Frame is fixed, and 12 another part of stair stringer built-in fitting stretches out outside stair stringer 6；
(3) hoisting prefabricated partition plate 5：
Prefabricated partition board 5 is lifted to designated position by lifting built-in fitting 3, it is program-controlled by high process control bolt 41 and height
Nut 42 processed coordinates, and controls this layer of 5 bottom surface absolute altitude of prefabricated partition board, galvanized steel plain sheet 11 and the stair stringer 6 of 5 both sides of prefabricated partition board
Stair stringer built-in fitting 12 be bolted fixed and weld；Two connection bolts 23 of the vertical connecting assembly, which pass through, to be connected
Steel plate 21 is connect with the embedded nut 22 in two neighbouring prefabricated partition boards 5 to coordinate；
(4) plate stitch is handled：
It is filled using polyphenyl 73 in the middle part of gap between arbitrary upper and lower adjacent prefabricated partition board 5,73 both sides of polyphenyl note
20mm*20mm fluid sealants 72,21 outside of junction steel plate are sealed using stainless steel box；
(5) C30 microdilatancies pea gravel concreten 71, C30 is poured to galvanized steel plain sheet 11 and 12 junction position of stair stringer built-in fitting
The corresponding transversal connecting assembly of the covering of microdilatancy pea gravel concreten 71.
Above-described is only one embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the principle of the present invention, several variations and modifications can also be made, these also should be regarded as belonging to this hair
Bright protection domain.
Claims (7)
1. a kind of connection structure of the integral prefabricated partition plate of cantilever stair, it is characterised in that：
Including at least the transversal connecting assembly, several for fixed arbitrary neighbouring for connecting prefabricated partition board and stair stringer
The vertical connecting assembly of prefabricated partition board；
The transversal connecting assembly includes two galvanized steel plain sheets and two stair stringer built-in fittings, and two galvanized steel plain sheets are arranged prefabricated
Partition plate both sides upper end, the pre- prefabricated partition board of nuzzling of a galvanized steel plain sheet part, described galvanized steel plain sheet another part stretches out pre-
Outside partition plate processed, two stair stringer built-in fittings correspond to the stair stringer that galvanized steel plain sheet position is embedded in prefabricated partition board both sides in advance respectively
It is interior, it is fixedly connected between two stair stringer built-in fittings and galvanized steel plain sheet；
The vertical connecting assembly includes junction steel plate, two embedded nuts and two connection bolts, two embedded nut difference
Pre- to be embedded in upper and lower two neighboring prefabricated partition board, two connection bolts are each passed through junction steel plate and coordinate with embedded nut.
2. a kind of connection structure of the integral prefabricated partition plate of cantilever stair according to claim 1, it is characterised in that：It is described
The thickness of prefabricated partition board is more than or equal to 100mm.
3. a kind of connection structure of the integral prefabricated partition plate of cantilever stair according to claim 1, it is characterised in that：
Further include lifting built-in fitting, lifting built-in fitting is embedded in prefabricated partition board, and prefabricated partition board upper surface is preset with lifting
Groove, lifting built-in fitting upper end are in lifting groove.
4. a kind of connection structure of the integral prefabricated partition plate of cantilever stair according to claim 1, it is characterised in that：
Further include elevation control assembly, elevation control assembly includes high process control nut and high process control bolt, high process control spiral shell
Mother is embedded in prefabricated partition board, and high process control bolt coordinates with high process control nut and stretches out prefabricated partition board upper surface.
5. a kind of connection structure of the integral prefabricated partition plate of cantilever stair according to claim 1, it is characterised in that：
It is sealed using stainless steel box on the outside of junction steel plate.
6. a kind of connection structure of the integral prefabricated partition plate of cantilever stair according to claim 1, it is characterised in that：
Galvanized steel plain sheet size is 600mm*100mm*10mm.
7. a kind of connection structure for realizing the integral prefabricated partition plate of cantilever stair according to any one of claims 1 to 6 is applied
Work method, includes the following steps：
(1) prefabricated partition board is manufactured：
It is preset with lifting groove in prefabricated partition board upper surface, lifting built-in fitting is embedded in prefabricated partition board, lifts built-in fitting
Upper end is in lifting slot, and high process control nut is embedded in prefabricated partition board, and the threaded hole of high process control nut extends to pre-
Partition plate upper surface processed, the embedded nut of the vertical connecting assembly are also embedded in prefabricated partition board, the screw thread of embedded nut
Hole extends to prefabricated partition board side wall, and a galvanized steel plain sheet part for transversal connecting assembly is nuzzled in prefabricated partition board in advance, the plating
Zinc steel plate another part stretches out prefabricated partition board upper outside；
(2) built-in fitting fabrication and installation in stair stringer：
A stair stringer built-in fitting part is embedded in every layer of stair stringer, the stair stringer built-in fitting in stair stringer and stair joist steel
Tendons skeleton is fixed, and stair stringer built-in fitting another part stretches out outside stair stringer；
(3) hoisting prefabricated partition plate：
Prefabricated partition board is lifted to designated position by lifting built-in fitting, is matched by high process control bolt and high process control nut
It closes, controls this layer of prefabricated partition board bottom surface absolute altitude, the galvanized steel plain sheet of prefabricated partition board both sides and the stair stringer built-in fitting of stair stringer
It is bolted fixed and welds；Two connection bolts of the vertical connecting assembly pass through junction steel plate and are in phase up and down
Embedded nut cooperation in two adjacent prefabricated partition boards；
(4) plate stitch is handled：
It is filled using polyphenyl in the middle part of gap between arbitrary upper and lower adjacent prefabricated partition board, it is close that 20mm*20mm is noted in polyphenyl both sides
Sealing, junction steel plate outside are sealed using stainless steel box；
(5) C30 microdilatancy pea gravel concretens are poured to galvanized steel plain sheet and stair stringer built-in fitting connecting portion, C30 microdilatancy microliths are mixed
The solidifying corresponding transversal connecting assembly of soil covering, completes construction operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850063.4A CN108755974A (en) | 2018-07-28 | 2018-07-28 | The connection structure and construction method of the integral prefabricated partition plate of cantilever stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850063.4A CN108755974A (en) | 2018-07-28 | 2018-07-28 | The connection structure and construction method of the integral prefabricated partition plate of cantilever stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108755974A true CN108755974A (en) | 2018-11-06 |
Family
ID=63971710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810850063.4A Pending CN108755974A (en) | 2018-07-28 | 2018-07-28 | The connection structure and construction method of the integral prefabricated partition plate of cantilever stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755974A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188458A (en) * | 2020-01-09 | 2020-05-22 | 付萍 | Method for constructing concrete shear stair fire-proof partition wall by applying prefabricated concrete beams |
| CN113026959A (en) * | 2019-12-24 | 2021-06-25 | 成都建工第二建筑工程有限公司 | Installation method of prefabricated staircase |
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| CN208633283U (en) * | 2018-07-28 | 2019-03-22 | 中城投集团第六工程局有限公司 | The connection structure of the integral prefabricated partition plate of cantilever stair |
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| DE10060528A1 (en) * | 2000-12-06 | 2002-06-27 | Iff Weimar | Connection for transferring shear forces from one precast component to another comprises connecting part consisting of two individual crossing connecting elements fixed to precast component at their ends via connector elements |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113026959A (en) * | 2019-12-24 | 2021-06-25 | 成都建工第二建筑工程有限公司 | Installation method of prefabricated staircase |
| CN111188458A (en) * | 2020-01-09 | 2020-05-22 | 付萍 | Method for constructing concrete shear stair fire-proof partition wall by applying prefabricated concrete beams |
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