CN107178184A - Cantilever stair and its installation method - Google Patents

Cantilever stair and its installation method Download PDF

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Publication number
CN107178184A
CN107178184A CN201710388004.5A CN201710388004A CN107178184A CN 107178184 A CN107178184 A CN 107178184A CN 201710388004 A CN201710388004 A CN 201710388004A CN 107178184 A CN107178184 A CN 107178184A
Authority
CN
China
Prior art keywords
partition plate
ear
terraced beam
fixed part
prefabricated
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
Application number
CN201710388004.5A
Other languages
Chinese (zh)
Inventor
潘龙
屈俊峰
蒋佳俊
许海
王彪
徐佳音
刘辉
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.)
Jiangsu Longteng Engineering Tsukito Design Inc
Original Assignee
Jiangsu Longteng Engineering Tsukito Design Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Longteng Engineering Tsukito Design Inc filed Critical Jiangsu Longteng Engineering Tsukito Design Inc
Priority to CN201710388004.5A priority Critical patent/CN107178184A/en
Publication of CN107178184A publication Critical patent/CN107178184A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7401Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/82Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
    • E04B2/821Connections between two opposed surfaces (i.e. floor and ceiling) by means of a device offering a restraining force acting in the plane of the partition
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F2011/0203Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/021Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
    • E04F2011/0212Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete

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  • 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 provides a kind of cantilever stair, and cantilever stair includes terraced beam and chooses ear, terraced beam bridging piece, wall, partition plate and prefabricated gangboard, wherein:Terraced beam chooses one end that prefabricated gangboard is fixedly connected with ear, and the other end of prefabricated gangboard is slidably supported on terraced beam bridging piece;Partition plate is provided between wherein two prefabricated gangboards, the upper end two sides of partition plate are respectively arranged with support ear, and support ear is chosen ear with terraced beam and is in contact, and the lower end of partition plate is in contact or left 5mm gap with the upper surface of next layer of partition plate.Through hole is provided with partition plate, facilitates the lifting of partition plate, the convenience of installation is improved;The support ear that partition plate top is set can be such that partition plate is reliably fixed, and improve the reliability of installation, and be fixed between support ear and wall by floor in-situ layer, and connection is reliable.

Description

Cantilever stair and its installation method
Technical field
The present invention relates to field of civil engineering, in particular to a kind of cantilever stair and its installation method.
Background technology
Stair are the important components of floor building, are main safe escape passages.It is both the selection in upper and lower building Passage, is even more such as to occur the escape way in particular cases such as safety fire fighting accident or power failure.
" cantilever stair " is also referred to as overlapping stair, intersects stair or set ladder.The most important feature of cantilever stair is, Two stair, the function with two fire escapes are provided with same staircase.Cantilever stair is available in planar design The space of relatively narrower, sets two stair, this two stair adhere to two different fire compartments separately, thus improve construction area Utilization rate.It is at present most save space, it is most economical, most rationally and can meet requirement passageway for fire apparatus, reached interests maximum Change.
Fire partition, normal conditions should be set between the requirement of Building Fire Protection specification, general two cantilever stairs to meet This lower partition wall is formed by poured in place concrete or wall of laying bricks.In fabricated assembly overall structure, employ 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 rendering of plastering, and increases artificial and material, and quality is difficult to control to. The damage of finished product stair is easily caused simultaneously, is unfavorable for the popularization and application of prefabricated gangboard.Therefore, need to by partition wall and floor it is beam prefabricated with Realize the full prefabrication and assembly construction of staircase.
Use new content
Present invention aims at provide it is a kind of can realize partition plate and floor it is beam prefabricated can realize partition plate assembling Quick and simple cantilever stair.
To reach above-mentioned purpose, the present invention propose a kind of cantilever stair include terraced beam choose ear, terraced beam bridging piece, wall, Partition plate and prefabricated gangboard, wherein:
Terraced beam chooses one end that prefabricated gangboard is fixedly connected with ear, and the other end of prefabricated gangboard is slidably supported on terraced beam bridging piece On;
Partition plate is provided between wherein described two prefabricated gangboards, the upper end two sides of partition plate are respectively arranged with support Ear, the support ear is chosen ear with terraced beam and is in contact, and the lower end of partition plate is in contact with the upper surface of next layer of partition plate.
Further, it is in wall on floor preformed layer, the floor preformed layer that foregoing terraced beam, which chooses ear and terraced beam bridging piece, Floor in-situ layer is provided between prefabricated gangboard, the upper surface of the floor in-situ layer is in same with the upper surface of prefabricated gangboard One horizontal plane.
Further, it is provided with railing installing component on foregoing partition plate.
Further, the bottom of the partition plate is provided withType fixed part, it is describedWith partition plate length on type fixed part Soft-lock is provided with the perpendicular face in direction, one end of the soft-lock is located atIn type fixed part, the other end of soft-lock stretches outType Fixed part;The upper surface of the partition plate is provided with the second fixed part for stretching out partition plate upper surface, the second fixed part and soft-lock The other end be connected;The first fixed part that stretch out support ear and that upper surface with partition plate is parallel is provided with support ear.
Further, foregoing second fixed part and the first fixed part are reinforcing bar.
Further, it is provided with through hole on foregoing partition plate.
Further, the interface width that foregoing support ear chooses ear with terraced beam is not less than 140mm.
Further, 20mm interval is provided between foregoing prefabricated gangboard and terraced beam bridging piece.
Further, it is provided with anti-slip tank on foregoing prefabricated gangboard.
The invention also provides a kind of installation method of cantilever stair, its method comprises the following steps:It is mixed in reinforcing bar in advance Positioning hole is produced on solidifying native prefabricated gangboard, and pre-production goes out prefabricated gangboard at the stair installing port of the wall of building Mounting platform be that terraced beam chooses ear and terraced beam bridging piece, be hinged mouth while choosing to be preset with ear in terraced beam;
Then, will by being hinged mouth by the installed position of the armored concrete precast floor slab amplifier made to building One end of prefabricated gangboard and terraced beam choose ear by being hinged fixation, the other end of prefabricated gangboard and terraced beam bridging piece sliding contact;
Partition plate is sling by loop wheel machine, partition plate is placed into the bottom of fixed position, the wherein partition plate of bottom Contacted with ground, the bottom of partition plate is provided withType fixed part,The face perpendicular with partition plate length direction on type fixed part Soft-lock is inside provided with, one end of the soft-lock is located atIn type fixed part, the other end of soft-lock stretches outType fixed part;The partition wall The upper surface of plate is provided with the second fixed part for stretching out partition plate upper surface, and the second fixed part is connected with the other end of soft-lock; The first fixed part that stretch out support ear and that upper surface with partition plate is parallel is provided with support ear, wherein adjacent two pieces every Wallboard is realized by the connection of the second fixed part and soft-lock and fixed;
Floor preformed layer top and cast-in-place concrete formation floor in-situ layer, the floor between wall and prefabricated gangboard The upper surface of in-situ layer and the upper surface of prefabricated gangboard are in same level;
The gap cast-in-place concrete that partition plate and terraced beam are chosen between ear forms in-situ layer;
Cantilever stair installation.
From above technical scheme, the connected mode of cantilever stair lower slide of the invention is simple, essentially eliminates Influence of the gangboard to agent structure stress and rigidity under geological process, makes structure power transmission clear, result of calculation is accurately and reliably;It is prefabricated Gangboard and anti-slip tank are prefabricated together, save plastering process, and construction speed is fast, cost is low, save material, improve quality, can be fully Play the advantage that industrialization is built;The pre-buried railing installing component on partition plate, facilitates the installation of follow-up finished product staircase;Partition wall Through hole is provided with plate, facilitates the lifting of partition plate, the convenience of installation is improved;The support ear that partition plate top is set can Partition plate is reliably fixed, improve the reliability of installation, and fixed between support ear and wall by floor in-situ layer, Connection is reliable.
As long as it should be appreciated that all combinations of aforementioned concepts and the extra design described in greater detail below are at this A part for the subject matter of the disclosure is can be viewed as in the case that the design of sample is not conflicting.In addition, required protect All combinations of the theme of shield are considered as a part for the subject matter of the disclosure.
Can be more fully appreciated with from the following description with reference to accompanying drawing present invention teach that foregoing and other aspect, reality Apply example and feature.The feature and/or beneficial effect of other additional aspects such as illustrative embodiments of the present invention will be below Description in it is obvious, or by according to present invention teach that embodiment practice in learn.
Brief description of the drawings
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, each identical or approximately uniform group shown in each figure It can be indicated by the same numeral into part.For clarity, in each figure, not each part is labeled. Now, by example and the embodiments of various aspects of the invention will be described in reference to the drawings, wherein:
Fig. 1 is the structural representation of cantilever stair.
Fig. 2 is the partial enlarged drawing in A portions in Fig. 1.
Fig. 3 is the partial enlarged drawing in B portions in Fig. 1.
Fig. 4 is the partial enlarged drawing in C portions in Fig. 1.
Fig. 5 is the structural representation of prefabricated gangboard.
Fig. 6 is the attachment structure schematic diagram of adjacent two pieces of partition plates.
The implication of correlation indices is as follows in figure:1st, terraced beam chooses ear, and 2, wall, 3, terraced beam bridging piece, 4, partition plate, 5, prefabricated ladder Plate, 6, support ear, 7, floor in-situ layer, 8,Type fixed part, 9, soft-lock, 10, through hole, the 11, first fixed part, 12, second fixes Portion, 13, anti-slip tank, 14, in-situ layer.
Embodiment
In order to know more about the technology contents of the present invention, especially exemplified by specific embodiment and institute's accompanying drawings are coordinated to be described as follows.
Each side with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations. It is not intended to cover all aspects of the invention for embodiment of the disclosure.It should be appreciated that a variety of designs presented hereinbefore and reality Apply example, and those designs described in more detail below and embodiment can in many ways in any one come real Apply, because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, disclosed by the invention one A little aspects can be used alone, or otherwise any appropriately combined be used with disclosed by the invention.
As shown in Figures 1 to 6, a kind of cantilever stair, the cantilever stair includes terraced beam and chooses ear 1, terraced beam bridging piece 3, wall 2nd, partition plate 4 and prefabricated gangboard 5, wherein:Terraced beam chooses one end that prefabricated gangboard 5 is fixedly connected with ear 1, the one of prefabricated gangboard 5 End is chosen ear 1 with terraced beam and is hinged, and the other end of prefabricated gangboard 5 is slidably supported on terraced beam bridging piece 3.
Partition plate 4 is provided between wherein described two prefabricated gangboards 5, the upper end two sides of partition plate 4 are respectively arranged with Support ear 6, the support ear 6 is chosen ear 1 with terraced beam and is in contact, and the lower end of partition plate 4 connects with the upper surface of next layer of partition plate 4 Touch or leave 5mm gap.
In further embodiment, it is floor preformed layer, the floor preformed layer that the terraced beam, which chooses ear 1 and terraced beam bridging piece 3, On be provided with floor in-situ layer 7 between wall 2 and prefabricated gangboard 5, the upper surface of the floor in-situ layer 7 and prefabricated gangboard 5 Upper surface be in same level.
Further carry out in example, railing installing component is provided with the partition plate 4, the railing installing component can Facilitate the installation of railing, the reduction later stage installs the difficulty of processing of railing.
Further carry out in example, the bottom of the partition plate 4 is provided withType fixed part 8, it is describedType fixed part 8 Soft-lock 9 is provided with the face that two ends are in contact with wall 2, one end of the soft-lock 9 is located atIn type fixed part 8, soft-lock 9 it is another One end is stretched outType fixed part 8;The top of the partition plate 4 is provided with the second fixed part 12 for stretching out the upper surface of partition plate 4, the One fixed part 11 is connected with the other end of soft-lock 9;Be provided with support ear 6 stretch out support ear 6 and with the upper table of partition plate 4 The first parallel fixed part 11 of face.
Further carry out in example, the fixed part 11 of the second fixed part 12 and first is reinforcing bar.
Further carry out in example, through hole 10 is provided with the partition plate 4, the through hole 10 is used in installation process Partition plate 4 is lifted, partition plate 4 is reliably lifted.
Further carry out in example, the interface width that the support ear 6 chooses ear 1 with terraced beam is not less than 140mm.
Further carry out in example, be provided with 20mm interval between the prefabricated gangboard 5 and terraced beam bridging piece 3, it is described between In-situ layer 14 is provided with every interior, prefabricated gangboard 5 is reliably fixed with terraced beam bridging piece 3.
Further carry out in example, anti-slip tank 13 is provided with the prefabricated gangboard 5, anti-slip tank 13 and prefabricated gangboard 5 are same Shi Jiagong, reduces the process of plastering in later stage, improves production efficiency, reduce cost.
The installation method of this cantilever stair is as follows:Positioning hole is produced on the prefabricated gangboard 5 of armored concrete in advance, and Pre-production goes out the i.e. terraced beam of mounting platform of prefabricated gangboard 5 and chooses ear 1 and terraced beam is chosen at the stair installing port of the wall 2 of building Plate 3, mouth is hinged while choosing to be preset with ear 1 in terraced beam.
Then, will by being hinged mouth by the installed position of the armored concrete precast floor slab amplifier made to building One end of prefabricated gangboard 5 and terraced beam choose ear 1 by being hinged fixation, the other end of prefabricated gangboard 5 and the terraced sliding contact of beam bridging piece 3.
Partition plate 4 is sling by loop wheel machine, partition plate 4 is placed into the bottom of fixed position, the wherein partition plate 4 of bottom Portion is contacted with ground, and the bottom of partition plate 4 is provided withType fixed part 8,Mutually hung down with the length direction of partition plate 4 on type fixed part 8 Soft-lock 9 is provided with straight face, one end of the soft-lock 9 is located atIn type fixed part 8, the other end of soft-lock 9 stretches outType is fixed Portion 8;The upper surface of the partition plate 4 is provided with the second fixed part 12 for stretching out partition plate 4 upper surface, the second fixed part 12 with it is soft The other end of lock 9 is connected;It is provided with stretching out support ear 6 on support ear 6 and parallel with the upper surface of partition plate 4 first consolidates Determine portion 11, fixed wherein two pieces of adjacent partition plates 4 are realized by the connection of the second fixed part 12 and soft-lock 9.
Floor preformed layer top and cast-in-place concrete formation floor in-situ layer 147, institute between wall 2 and prefabricated gangboard 5 State the upper surface of floor in-situ layer 147 and be in same level with the upper surface of prefabricated gangboard 5.
The gap cast-in-place concrete that partition plate 4 and terraced beam are chosen between ear 1 forms in-situ layer 14.Cantilever stair installation.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.Skill belonging to of the invention Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause This, the scope of protection of the present invention is defined by those of the claims.

Claims (10)

1. a kind of cantilever stair, it is characterised in that the cantilever stair include terraced beam choose ear, terraced beam bridging piece, wall, partition plate and Prefabricated gangboard, wherein:
Terraced beam chooses one end that prefabricated gangboard is fixedly connected with ear, and the other end of prefabricated gangboard is slidably supported on terraced beam bridging piece;
Partition plate is provided between wherein described two prefabricated gangboards, the upper end two sides of partition plate are respectively arranged with support ear, The support ear is chosen ear with terraced beam and is in contact, and the lower end of partition plate is in contact or left 5mm with the upper surface of next layer of partition plate Gap.
2. cantilever stair according to claim 1, it is characterised in that it is that floor is prefabricated that the terraced beam, which chooses ear and terraced beam bridging piece, Layer, the floor preformed layer top and is provided with floor in-situ layer between wall and prefabricated gangboard, the floor in-situ layer Upper surface and the upper surface of prefabricated gangboard are in same level.
3. cantilever stair according to claim 1, it is characterised in that railing installing component is provided with the partition plate.
4. cantilever stair according to claim 1, it is characterised in that the bottom of the partition plate is provided with types and fixed Soft-lock is provided with the face perpendicular with partition plate length direction on portion, the types fixed part, one end of the soft-lock is located at In type fixed parts, the other end of soft-lock stretches out type fixed parts;The upper surface of the partition plate is provided with stretching partition plate Second fixed part of end face, the second fixed part is connected with the other end of soft-lock;Be provided with support ear stretch out support ear and First fixed part parallel with the upper surface of partition plate.
5. cantilever stair according to claim 4, it is characterised in that second fixed part and the first fixed part are steel Muscle.
6. cantilever stair according to claim 5, it is characterised in that be provided with through hole on the partition plate.
7. cantilever stair according to claim 1, it is characterised in that the support ear chooses the interface width of ear with terraced beam Not less than 140mm.
8. cantilever stair according to claim 1, it is characterised in that be provided between the prefabricated gangboard and terraced beam bridging piece 20mm interval.
9. cantilever stair according to claim 1, it is characterised in that be provided with anti-slip tank on the prefabricated gangboard.
10. the installation method of cantilever stair according to claim 4, it is characterised in that the installation method includes as follows Step:
Positioning hole is produced in advance on the prefabricated gangboard of armored concrete, and pre- at the stair installing port of the wall of building The i.e. terraced beam of mounting platform for first producing prefabricated gangboard chooses ear and terraced beam bridging piece, and mouth is hinged while choosing to be preset with ear in terraced beam;
Then, will be prefabricated by being hinged mouth by the installed position of the armored concrete precast floor slab amplifier made to building One end of gangboard and terraced beam choose ear by being hinged fixation, the other end of prefabricated gangboard and terraced beam bridging piece sliding contact;
Partition plate is sling by loop wheel machine, partition plate is placed into fixed position, the wherein bottom of the partition plate of bottom and ground Face is contacted, and the bottom of partition plate is provided withType fixed part,Set on type fixed part in the face perpendicular with partition plate length direction Soft-lock is equipped with, one end of the soft-lock is located atIn type fixed part, the other end of soft-lock stretches outType fixed part;The partition plate Upper surface be provided with the second fixed part for stretching out partition plate upper surface, the second fixed part is connected with the other end of soft-lock;Branch The first fixed part that stretch out support ear and that upper surface with partition plate is parallel is provided with support ear, wherein two pieces of adjacent partition walls Plate is realized by the connection of the second fixed part and soft-lock and fixed;
Floor preformed layer top and the cast-in-place concrete formation floor in-situ layer between wall and prefabricated gangboard, the floor are cast-in-place The upper surface of layer is in same level with the upper surface of prefabricated gangboard;
The gap cast-in-place concrete that partition plate and terraced beam are chosen between ear forms in-situ layer;
Cantilever stair installation.
CN201710388004.5A 2017-05-27 2017-05-27 Cantilever stair and its installation method Pending CN107178184A (en)

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Application Number Priority Date Filing Date Title
CN201710388004.5A CN107178184A (en) 2017-05-27 2017-05-27 Cantilever stair and its installation method

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Application Number Priority Date Filing Date Title
CN201710388004.5A CN107178184A (en) 2017-05-27 2017-05-27 Cantilever stair and its installation method

Publications (1)

Publication Number Publication Date
CN107178184A true CN107178184A (en) 2017-09-19

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CN201710388004.5A Pending CN107178184A (en) 2017-05-27 2017-05-27 Cantilever stair and its installation method

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Cited By (5)

* Cited by examiner, † Cited by third party
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
CN108286314A (en) * 2017-12-11 2018-07-17 新疆苏中建设工程有限公司 A kind of two-way precast stair of assembled and its installation method
CN108755974A (en) * 2018-07-28 2018-11-06 中城投集团第六工程局有限公司 The connection structure and construction method of the integral prefabricated partition plate of cantilever stair
CN109629714A (en) * 2017-10-08 2019-04-16 李聪 A kind of prefabricated partition wall of the staircase with installation base and its installation method
CN113802784A (en) * 2021-09-23 2021-12-17 中国建筑西北设计研究院有限公司 Design method and prefabricated assembled concrete shear stair

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CN205677174U (en) * 2016-06-21 2016-11-09 四川省第四建筑工程公司 Light prefabricated assembled scissor stair structure system
CN205712821U (en) * 2016-04-28 2016-11-23 江苏元大建筑科技有限公司 A kind of prefabricated assembled anti-skidding stair
CN207829329U (en) * 2017-05-27 2018-09-07 江苏龙腾工程设计股份有限公司 Cantilever stair

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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
CN104179307A (en) * 2014-07-28 2014-12-03 南京长江都市建筑设计股份有限公司 Novel simply-supported prefabricated scissor staircase
CN104481090A (en) * 2014-11-24 2015-04-01 江苏中南建筑产业集团有限责任公司 Full precast concrete stair sliding connecting system and construction method thereof
CN204662717U (en) * 2015-02-16 2015-09-23 中国建筑股份有限公司 A kind of staircase prefabricated reinforced concrete fire barrier structure
CN204609155U (en) * 2015-04-28 2015-09-02 重庆建工住宅建设有限公司 A kind of prefabrication and assembly construction segmented staircase structure
CN205557913U (en) * 2015-08-28 2016-09-07 山东万斯达建筑科技股份有限公司 Prefabricated partition wall of stairwell of full concrete
CN205206168U (en) * 2015-10-27 2016-05-04 山西省第三建筑工程公司 Anti -seismic staircase
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109629714A (en) * 2017-10-08 2019-04-16 李聪 A kind of prefabricated partition wall of the staircase with installation base and its installation method
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
CN108286314A (en) * 2017-12-11 2018-07-17 新疆苏中建设工程有限公司 A kind of two-way precast stair of assembled and its installation method
CN108755974A (en) * 2018-07-28 2018-11-06 中城投集团第六工程局有限公司 The connection structure and construction method of the integral prefabricated partition plate of cantilever stair
CN113802784A (en) * 2021-09-23 2021-12-17 中国建筑西北设计研究院有限公司 Design method and prefabricated assembled concrete shear stair

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