CN105040823A - Partition plate and floor beam connecting structure for scissors staircase and construction method of partition plate and floor beam connecting structure - Google Patents

Partition plate and floor beam connecting structure for scissors staircase and construction method of partition plate and floor beam connecting structure Download PDF

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Publication number
CN105040823A
CN105040823A CN201510359296.0A CN201510359296A CN105040823A CN 105040823 A CN105040823 A CN 105040823A CN 201510359296 A CN201510359296 A CN 201510359296A CN 105040823 A CN105040823 A CN 105040823A
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CN
China
Prior art keywords
prefabricated
floor
partition board
partition plate
reinforcing bar
Prior art date
Application number
CN201510359296.0A
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Chinese (zh)
Inventor
吴敦军
李宁
王流金
许小俊
Original Assignee
南京长江都市建筑设计股份有限公司
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Application filed by 南京长江都市建筑设计股份有限公司 filed Critical 南京长江都市建筑设计股份有限公司
Priority to CN201510359296.0A priority Critical patent/CN105040823A/en
Publication of CN105040823A publication Critical patent/CN105040823A/en

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Abstract

The invention discloses a partition plate and floor beam connecting structure for a scissors staircase and a construction method of the partition plate and floor beam connecting structure. The partition plate and floor beam connecting structure comprises a prefabricated partition plate and prefabricated floor beams, wherein the prefabricated partition plate is arranged between the upper prefabricated floor beam and the lower prefabricated floor beam; two rows of reinforcing steel bars extending perpendicularly are respectively arranged on the upper end surface and the lower end surface of each prefabricated floor beam in advance; the distance between each two reinforcing steel bars is smaller than or equal to 600mm; two rows of metal corrugated tubes or connecting steel sleeves matched with the reinforcing steel bars are respectively embedded in the upper end surface and the lower end surface of the prefabricated partition plate; and the reinforcing steel bars are respectively inserted in the corresponding metal corrugated tubes or connecting steel sleeves and are fixed in a grouting manner. Compared with the prior art, the partition plate and floor beam connecting structure for the scissors staircase has the advantages that a prefabricated partition plate and prefabricated floor beam connecting mode is modified, a floor beam pouring and partition building process is omitted, total prefabrication and assembly construction of the scissors staircase is implemented, the labor is saved, the partition plate and floor beam connecting structure is quick and convenient to mount, and connection integrity of the prefabricated partition plate and the prefabricated floor beams is guaranteed.

Description

A kind of partition board of cantilever stair and the syndeton of floor beam and construction method thereof
Technical field
The invention belongs to field of civil engineering, relate to prefabricated costruction, particularly relate to a kind of partition board of cantilever stair and the syndeton of floor beam and construction method thereof.
Background technology
For meeting the requirement of building fire protection specification, should arrange fire stop between general two cantilever stairs, this partition wall is formed by poured in place concrete or wall of laying bricks under normal circumstances.In fabricated assembly overall structure, have employed prefabricated reinforced concrete stair, if adopt said method again, on-the-spot formwork supporting plate, assembling reinforcement, concreting can reduce the efficiency of construction of staircase, affects stair construction period.Partition wall is built at scene by laying bricks or stones also to be needed to plaster to whitewash, and increases artificial and material, and difficult quality controls.Easily cause finished product stair to damage simultaneously, be unfavorable for applying of precast stair.Therefore, need by partition wall and floor beam prefabricated to realize the full prefabrication and assembly construction of staircase.
Summary of the invention
The present invention needs the problems referred to above solved to be for formwork supporting plate on-the-spot in above-mentioned prior art, assembling reinforcement, and concreting can reduce the efficiency of construction of staircase, affects stair construction period; Partition wall is built at scene by laying bricks or stones also to be needed to plaster to whitewash, and increases artificial and material, the deficiency that difficult quality controls, and provides a kind of efficiency of construction high, artificial and the cost of material is low, the partition board of quality controllable cantilever stair and the syndeton of floor beam and construction method thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of partition board of cantilever stair and the syndeton of floor beam, comprise prefabricated partition board and prefabricated floor beam, described prefabricated partition board is arranged between the prefabricated floor beam of upper and lower twice, the upper/lower terminal face of described prefabricated floor beam is preset with respectively the reinforcing bar that a row vertically stretches out, spacing between described reinforcing bar is less than or equal to 600mm, the upper/lower terminal face of prefabricated partition board be embedded with respectively the row metal bellows suitable with reinforcing bar or be connected steel bushing, reinforcing bar inserts corresponding metal bellows or connects the interior also grouting of steel bushing fixing respectively.
The thickness of prefabricated partition board is more than or equal to 120mm.
The thickness of prefabricated floor beam is more than or equal to 120mm.
Metal bellows or connection steel bushing are provided with the grouting mouth for being in the milk.
Metal bellows on the upper/lower terminal face of prefabricated partition board or connection steel bushing are positioned at same plane.
The construction method of the partition board of cantilever stair and the syndeton of floor beam, comprises the following steps:
(1) prefabricated partition board and prefabricated floor beam is manufactured, the upper/lower terminal face of prefabricated floor beam is preset with reinforcing bar that a row vertically stretches out respectively, spacing between reinforcing bar is less than or equal to 600mm, the upper/lower terminal face of prefabricated partition board is embedded with the row metal bellows suitable with reinforcing bar respectively or is connected steel bushing;
(2) hoisting prefabricated floor beam, is mounted to assigned address by prefabricated floor beam; The reinforcing bar that prefabricated floor beam lower surface is stretched out inserted respectively the metal bellows on the prefabricated partition board upper surface below it or connect in steel bushing;
(3) hoisting prefabricated partition board, by prefabricated partition board lifting to prefabricated floor beam;
(4) reinforcing bar on prefabricated floor beam upper surface inserted respectively the metal bellows on the prefabricated partition board lower surface above it or connect in steel bushing;
(5) metal bellows or connection steel bushing are in the milk, fixing prefabricated partition board and prefabricated floor beam.
Compared with prior art, the invention has the beneficial effects as follows: by improving the connected mode of prefabricated partition board and prefabricated floor beam, eliminate the building process with partition wall of building of floor beam, achieve the full prefabrication and assembly construction between cantilever stair, save artificial, quick and easy for installation, ensure the connection integrity of prefabricated partition board and prefabricated floor beam simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the partition board of cantilever stair of the present invention and the syndeton of floor beam;
Fig. 2 is the lateral view of the partition board of cantilever stair of the present invention and the syndeton of floor beam.
Wherein, 1, prefabricated partition board, 2, prefabricated floor beam, 3, reinforcing bar, 4, metal bellows or connect steel bushing, 5, grouting mouth.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of partition board of cantilever stair and the syndeton of floor beam, comprise prefabricated partition board 1 and prefabricated floor beam 2, described prefabricated partition board 1 is arranged on, between the prefabricated floor beam 2 of lower twice, described prefabricated floor beam 2 upper, lower both ends of the surface are preset with respectively the reinforcing bar 3 that a row vertically stretches out, spacing between described reinforcing bar 3 is less than or equal to 600mm, prefabricated partition board 1 upper, lower both ends of the surface be embedded with respectively the row metal bellows suitable with reinforcing bar 3 or be connected steel bushing 4, reinforcing bar 3 inserts corresponding metal bellows or connects the interior also grouting of steel bushing 4 fixing respectively.
The thickness of prefabricated partition board 1 is more than or equal to 120mm.
The thickness of prefabricated floor beam 2 is more than or equal to 120mm.
Metal bellows or connection steel bushing 4 are provided with the grouting mouth 5 for being in the milk.
Metal bellows on the upper/lower terminal face of prefabricated partition board 1 or connection steel bushing 4 are positioned at same plane.
The construction method of the partition board of cantilever stair and the syndeton of floor beam, comprises the following steps:
(1) prefabricated partition board 1 and prefabricated floor beam 2 is manufactured, the upper/lower terminal face of prefabricated floor beam 2 is preset with reinforcing bar 3 that a row vertically stretches out respectively, spacing between reinforcing bar 3 is less than or equal to 600mm, the upper/lower terminal face of prefabricated partition board 1 is embedded with the row metal bellows suitable with reinforcing bar 3 respectively or is connected steel bushing 4;
(2) hoisting prefabricated floor beam 2, is mounted to assigned address by prefabricated floor beam 2; The reinforcing bar 3 that prefabricated floor beam 2 lower surface is stretched out inserted respectively the metal bellows on prefabricated partition board 1 upper surface below it or connect in steel bushing 4;
(3) hoisting prefabricated partition board 1, lifts on prefabricated floor beam 2 by prefabricated partition board 1;
(4) reinforcing bar 3 on prefabricated floor beam 2 upper surface inserted respectively the metal bellows on prefabricated partition board 1 lower surface above it or connect in steel bushing 4;
(5) metal bellows or connection steel bushing 4 are in the milk, fixing prefabricated partition board 1 and prefabricated floor beam 2.
Compared with prior art, the invention has the beneficial effects as follows: by improving the connected mode of prefabricated partition board and prefabricated floor beam, eliminate the building process with partition wall of building of floor beam, achieve the full prefabrication and assembly construction between cantilever stair, save artificial, quick and easy for installation, ensure the connection integrity of prefabricated partition board and prefabricated floor beam simultaneously.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on manual, must determine its technical scope according to right.

Claims (6)

1. the partition board of a cantilever stair and the syndeton of floor beam, comprise prefabricated partition board and prefabricated floor beam, described prefabricated partition board is arranged on, between the prefabricated floor beam of lower twice, it is characterized in that: described prefabricated floor beam upper, lower both ends of the surface are preset with respectively the reinforcing bar that a row vertically stretches out, spacing between described reinforcing bar is less than or equal to 600mm, prefabricated partition board upper, lower both ends of the surface be embedded with respectively the row metal bellows suitable with reinforcing bar or be connected steel bushing, reinforcing bar inserts corresponding metal bellows or connects the interior also grouting of steel bushing fixing respectively.
2. the partition board of cantilever stair according to claim 1 and the syndeton of floor beam, is characterized in that: the thickness of prefabricated partition board is more than or equal to 120mm.
3. the partition board of cantilever stair according to claim 1 and the syndeton of floor beam, is characterized in that: the thickness of prefabricated floor beam is more than or equal to 120mm.
4. the partition board of cantilever stair according to claim 1 and the syndeton of floor beam, is characterized in that: metal bellows or connection steel bushing are provided with the grouting mouth for being in the milk.
5. the partition board of cantilever stair according to claim 1 and the syndeton of floor beam, is characterized in that: the metal bellows on the upper/lower terminal face of prefabricated partition board or connection steel bushing are positioned at same plane.
6. the construction method of the partition board of cantilever stair according to claim 1 and the syndeton of floor beam, is characterized in that: comprise the following steps:
(1) prefabricated partition board and prefabricated floor beam is manufactured, the upper/lower terminal face of prefabricated floor beam is preset with reinforcing bar that a row vertically stretches out respectively, spacing between reinforcing bar is less than or equal to 600mm, the upper/lower terminal face of prefabricated partition board is embedded with the row metal bellows suitable with reinforcing bar respectively or is connected steel bushing;
(2) hoisting prefabricated floor beam, is mounted to assigned address by prefabricated floor beam; The reinforcing bar that prefabricated floor beam lower surface is stretched out inserted respectively the metal bellows on the prefabricated partition board upper surface below it or connect in steel bushing;
(3) hoisting prefabricated partition board, by prefabricated partition board lifting to prefabricated floor beam;
(4) reinforcing bar on prefabricated floor beam upper surface inserted respectively the metal bellows on the prefabricated partition board lower surface above it or connect in steel bushing;
(5) metal bellows or connection steel bushing are in the milk, fixing prefabricated partition board and prefabricated floor beam.
CN201510359296.0A 2015-06-26 2015-06-26 Partition plate and floor beam connecting structure for scissors staircase and construction method of partition plate and floor beam connecting structure CN105040823A (en)

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CN201510359296.0A CN105040823A (en) 2015-06-26 2015-06-26 Partition plate and floor beam connecting structure for scissors staircase and construction method of partition plate and floor beam connecting structure

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Application Number Priority Date Filing Date Title
CN201510359296.0A CN105040823A (en) 2015-06-26 2015-06-26 Partition plate and floor beam connecting structure for scissors staircase and construction method of partition plate and floor beam connecting structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888077A (en) * 2016-06-17 2016-08-24 福建工程学院 Fabricated shear wall connecting device and construction method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235034A (en) * 2010-04-22 2011-11-09 上海市第七建筑有限公司 Prefabricated part and construction method for connecting prefabricated part with main structure
JP4926255B2 (en) * 2010-02-12 2012-05-09 ランデス株式会社 Connecting and fixing structure of precast concrete members
CN103216044A (en) * 2012-01-20 2013-07-24 中冶建筑研究总院有限公司 Moisture permeation and water proofing Cement grouting steel bar connecting structure of precast concrete unit
CN103352514A (en) * 2013-06-17 2013-10-16 南京长江都市建筑设计股份有限公司 Connection structure of steel bars of prefabricated parapet
GB2503228A (en) * 2012-06-19 2013-12-25 Laing O Rourke Plc Pre-cast column assembly with reinforcement and connection parts
CN204753834U (en) * 2015-06-26 2015-11-11 南京长江都市建筑设计股份有限公司 Partition plate of scissors stair and connection structure of floor roof beam

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4926255B2 (en) * 2010-02-12 2012-05-09 ランデス株式会社 Connecting and fixing structure of precast concrete members
CN102235034A (en) * 2010-04-22 2011-11-09 上海市第七建筑有限公司 Prefabricated part and construction method for connecting prefabricated part with main structure
CN103216044A (en) * 2012-01-20 2013-07-24 中冶建筑研究总院有限公司 Moisture permeation and water proofing Cement grouting steel bar connecting structure of precast concrete unit
GB2503228A (en) * 2012-06-19 2013-12-25 Laing O Rourke Plc Pre-cast column assembly with reinforcement and connection parts
CN103352514A (en) * 2013-06-17 2013-10-16 南京长江都市建筑设计股份有限公司 Connection structure of steel bars of prefabricated parapet
CN204753834U (en) * 2015-06-26 2015-11-11 南京长江都市建筑设计股份有限公司 Partition plate of scissors stair and connection structure of floor roof beam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888077A (en) * 2016-06-17 2016-08-24 福建工程学院 Fabricated shear wall connecting device and construction method thereof
CN105888077B (en) * 2016-06-17 2018-06-08 福建工程学院 Fabricated shear wall attachment device and its construction method

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Application publication date: 20151111