CN110359613B - Construction and installation method for one-way laminated slab - Google Patents
Construction and installation method for one-way laminated slab Download PDFInfo
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- CN110359613B CN110359613B CN201910572812.6A CN201910572812A CN110359613B CN 110359613 B CN110359613 B CN 110359613B CN 201910572812 A CN201910572812 A CN 201910572812A CN 110359613 B CN110359613 B CN 110359613B
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- secondary beam
- reinforcing steel
- steel bars
- steel bar
- bars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
Abstract
The invention discloses a construction and installation method of a one-way laminated slab, which belongs to the technical field of construction member installation, and mainly reduces the height of one side secondary beam steel bar in the secondary beam steel bars at two opposite sides, so that when the laminated slab is installed, the side steel bar corresponding to the higher side secondary beam steel bar can be anchored into the higher side secondary beam steel bar, and the side steel bar corresponding to the lower side secondary beam steel bar can be directly placed on the stirrup of the lower side secondary beam steel bar, thereby saving complex butt joint installation procedures and improving the construction speed.
Description
Technical Field
The invention relates to the technical field of construction member installation, in particular to a construction and installation method of a one-way laminated slab.
Background
In the technical field of construction, the one-way composite slabs are often hoisted to connect beams on two opposite sides, and are integrally cast in situ, and then the floor slab is cast in situ. In some projects, the beam steel bars are dense due to the influence of large steel content of the member, so that the steel bars on one side of the unidirectional composite slab are difficult to anchor into the beam steel bars on the other side after being anchored into the beam steel bars, and the installation is very difficult, thereby influencing the construction rate. Therefore, how to improve the construction and installation rate of the unidirectional composite slab becomes a technical problem to be solved urgently.
Disclosure of Invention
In summary, the technical problem solved by the present invention is: the construction and installation method of the one-way composite slab can effectively solve the technical problem that the existing one-way composite slab is difficult to insert when facing the excessive density of the beam steel bars.
The scheme adopted by the invention for solving the technical problems is as follows:
a construction and installation method of a one-way composite slab comprises the following steps:
and S1, binding and erecting secondary beam reinforcing steel bars on two opposite sides, and enabling the height of the secondary beam reinforcing steel bar on one side to be lower than that of the secondary beam reinforcing steel bar on the other side, wherein the secondary beam reinforcing steel bar mainly comprises transverse reinforcing steel bars and square stirrups surrounding the transverse reinforcing steel bars, and the height difference between the secondary beam reinforcing steel bars on the higher side and the secondary beam reinforcing steel bars on the lower side enables the reinforcing steel bars on one side of the one-way superimposed sheet to be anchored into the secondary beam reinforcing steel bars on the higher side, and the reinforcing steel bars on the other side can be directly placed on the square stirrups of the secondary beam reinforcing steel bars on the lower side, so that the one-way superimposed sheet can be conveniently installed.
S2, hoisting the unidirectional composite slab, and anchoring the steel bars on one side of the unidirectional composite slab into the steel bars on the secondary beam on the higher side;
s3, placing the steel bars on the other side of the one-way composite slab on the square stirrups of the secondary beam steel bars on the lower side, and enabling the steel bars to be supported by the square stirrups of the secondary beam steel bars on the lower side;
and S4, casting and molding secondary beams on two sides.
Further, before the secondary beams on two sides are cast, U-shaped stirrups with downward openings are arranged on the secondary beam reinforcing steel bars on the lower sides, so that the U-shaped stirrups surround the transverse reinforcing steel bars of the secondary beam reinforcing steel bars on the lower sides, and after the U-shaped stirrups are arranged, the highest sides of the U-shaped stirrups are flush with the highest sides of the secondary beam reinforcing steel bars on the higher sides.
Further, in step S2, the length of the reinforcing bars of one side of the unidirectional laminate anchored into the reinforcing bars of the secondary beam of the higher side is 150mm to 250 mm.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the height of one side secondary beam steel bar in the secondary beam steel bars on two opposite sides is reduced, so that when the composite slab is installed, the side steel bar corresponding to the higher side secondary beam steel bar can be anchored into the higher side secondary beam steel bar, and the side steel bar corresponding to the lower side secondary beam steel bar can be directly placed on the stirrup of the lower side secondary beam steel bar, thus the complex butt joint installation procedure is omitted, and the construction speed is improved.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic view illustrating the matching of the unidirectional composite slab and the secondary beam reinforcements on two sides in the embodiment of the present invention.
Fig. 2 is a front view of the unidirectional composite slab, the reinforcing bars of the upper secondary beam and the reinforcing bars of the lower secondary beam in the embodiment of the invention.
[ Specification of symbols ]
1-higher side secondary beam reinforcing steel bars, 2-lower side secondary beam reinforcing steel bars, 3-one-way laminated slabs and 4-U-shaped stirrups.
Detailed Description
The construction and installation method of the unidirectional composite slab 3 according to the present embodiment will be described in detail with reference to the accompanying drawings.
A construction and installation method of a one-way composite slab comprises the following steps:
s1, binding and erecting secondary beam reinforcing steel bars on two opposite sides, and enabling the height of the secondary beam reinforcing steel bar on one side to be lower than that of the secondary beam reinforcing steel bar on the other side, wherein the secondary beam reinforcing steel bar mainly comprises transverse reinforcing steel bars and square stirrups surrounding the transverse reinforcing steel bars, and the height difference between the secondary beam reinforcing steel bars 1 on the higher side and the secondary beam reinforcing steel bars 2 on the lower side enables the reinforcing steel bars on one side of the unidirectional composite slab 3 to be anchored into the secondary beam reinforcing steel bars on the higher side and the reinforcing steel bars on the other side to be placed on the square stirrups of the secondary beam reinforcing steel bars on the lower side when the unidirectional composite slab 3 is horizontally arranged between the two reinforcing steel bars;
s2, hoisting the unidirectional composite slab 3, and anchoring the reinforcing steel bars on one side of the unidirectional composite slab 3 into the reinforcing steel bars on the secondary beam on the higher side;
s3, placing the steel bars on the other side of the one-way composite slab 3 on the square stirrups of the secondary beam steel bars on the lower side, and enabling the steel bars to be supported by the square stirrups of the secondary beam steel bars on the lower side;
and S4, casting and molding secondary beams on two sides.
As shown in fig. 1 and 2, the unidirectional composite slab 3 and the secondary beam reinforcements on two opposite sides are supported by the formwork, and due to the height difference between the secondary beam reinforcements 1 on the higher side and the secondary beam reinforcements 2 on the lower side, when the unidirectional composite slab 3 between the two is arranged, the reinforcements on one side of the unidirectional composite slab 3 can be anchored into the secondary beam reinforcements on the higher side, and the reinforcements on the other side of the unidirectional composite slab can be placed on the square stirrups of the secondary beam reinforcements on the lower side, so that the complicated butt joint installation procedure is omitted, and the construction speed and the project economic benefit are greatly improved.
Further, since the minor beam reinforcing steel bar at the lower side is lowered by a certain distance downwards, in the subsequent cast-in-place floor working procedure, a region without reinforcing steel bar support may occur between the minor beam reinforcing steel bar at the lower side and the cast-in-place floor, and the overall structural strength is affected, as a preferred embodiment, in the present embodiment, before the minor beams at both sides are cast, the U-shaped stirrup 4 with a downward opening is arranged on the minor beam reinforcing steel bar at the lower side, the U-shaped stirrup 4 surrounds the transverse reinforcing steel bar of the minor beam reinforcing steel bar 2 at the lower side, and after the U-shaped stirrup 4 is arranged, the highest side of the U-shaped stirrup 4 is flush with the highest side of the minor beam reinforcing steel bar at the higher side, so as to ensure that the overall structural strength is not greatly affected in the subsequent cast-in-place floor working procedure.
Further, in the present embodiment, in step S2, the length of the reinforcing bars of the one-way composite slab 3 anchored in the reinforcing bars of the secondary beam on the higher side is 150mm to 250 mm.
The above is a detailed description of the construction and installation method of the unidirectional composite slab provided by the invention. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (3)
1. A construction and installation method of a one-way composite slab is characterized by comprising the following steps:
s1, binding and erecting secondary beam reinforcing steel bars on two opposite sides, and enabling the height of the secondary beam reinforcing steel bar on one side to be lower than that of the secondary beam reinforcing steel bar on the other side, wherein the secondary beam reinforcing steel bar mainly comprises transverse reinforcing steel bars and square stirrups surrounding the transverse reinforcing steel bars, and the height difference between the secondary beam reinforcing steel bars on the higher side and the secondary beam reinforcing steel bars on the lower side enables the reinforcing steel bars on one side of the one-way superimposed slab to be anchored into the secondary beam reinforcing steel bars on the higher side and the reinforcing steel bars on the other side to be directly placed on the square stirrups of the secondary beam reinforcing steel bars on the lower side when the one-way superimposed slab is horizontally arranged between the secondary beam;
s2, hoisting the unidirectional composite slab, and anchoring the steel bars on one side of the unidirectional composite slab into the steel bars on the secondary beam on the higher side;
s3, placing the steel bars on the other side of the one-way composite slab on the square stirrups of the secondary beam steel bars on the lower side, and enabling the steel bars to be supported by the square stirrups of the secondary beam steel bars on the lower side;
and S4, casting and molding secondary beams on two sides.
2. The one-way composite slab construction and installation method as claimed in claim 1, wherein:
before the secondary beams on two sides are cast, arranging a U-shaped stirrup with a downward opening on the secondary beam reinforcing steel bar on the lower side, enabling the U-shaped stirrup to surround the transverse reinforcing steel bar of the secondary beam reinforcing steel bar on the lower side, and after the U-shaped stirrup is arranged, aligning the highest side of the U-shaped stirrup with the highest side of the secondary beam reinforcing steel bar on the higher side.
3. The one-way composite slab construction and installation method as claimed in claim 1, wherein:
in step S2, the length of the reinforcing bars of one side of the one-way composite slab anchored into the reinforcing bars of the secondary beam of the higher side is 150mm to 250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572812.6A CN110359613B (en) | 2019-06-28 | 2019-06-28 | Construction and installation method for one-way laminated slab |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910572812.6A CN110359613B (en) | 2019-06-28 | 2019-06-28 | Construction and installation method for one-way laminated slab |
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| CN110359613A CN110359613A (en) | 2019-10-22 |
| CN110359613B true CN110359613B (en) | 2020-09-04 |
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| US4590724A (en) * | 1983-04-28 | 1986-05-27 | Shinko Kosen Kogyo Kabushiki Kaisha | Anchorage for steel wire strand for prestressed concrete |
| CN2349275Y (en) * | 1997-12-08 | 1999-11-17 | 中美合资北京福安水泥制品有限公司 | Prestressed hollow board, concrete shearing force wall and beam joint point |
| AU2002336815A1 (en) * | 2001-11-03 | 2003-07-24 | Bartra Island Pty Ltd | Building component |
| CN101586366A (en) * | 2008-05-21 | 2009-11-25 | 万科企业股份有限公司 | Connecting structure and construction method of precast concrete plates and beams, and building comprising same |
| CN101787738A (en) * | 2010-03-12 | 2010-07-28 | 南通建筑工程总承包有限公司 | Stair connection joint device |
| CN102493603A (en) * | 2011-12-30 | 2012-06-13 | 王夏静 | Prefabricated column of reserved concealed column channel, concealed column type complete assembled earthquake-resistant building and its method |
| CN203834825U (en) * | 2014-03-10 | 2014-09-17 | 安徽省建筑设计研究院有限责任公司 | Connection structure of prefabricated stair of overlapped wallboard room |
| CN104164922A (en) * | 2014-07-22 | 2014-11-26 | 南京长江都市建筑设计股份有限公司 | Connecting structure and method of non-prestress laminated slab and support |
-
2019
- 2019-06-28 CN CN201910572812.6A patent/CN110359613B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4590724A (en) * | 1983-04-28 | 1986-05-27 | Shinko Kosen Kogyo Kabushiki Kaisha | Anchorage for steel wire strand for prestressed concrete |
| CN2349275Y (en) * | 1997-12-08 | 1999-11-17 | 中美合资北京福安水泥制品有限公司 | Prestressed hollow board, concrete shearing force wall and beam joint point |
| AU2002336815A1 (en) * | 2001-11-03 | 2003-07-24 | Bartra Island Pty Ltd | Building component |
| CN101586366A (en) * | 2008-05-21 | 2009-11-25 | 万科企业股份有限公司 | Connecting structure and construction method of precast concrete plates and beams, and building comprising same |
| CN101787738A (en) * | 2010-03-12 | 2010-07-28 | 南通建筑工程总承包有限公司 | Stair connection joint device |
| CN102493603A (en) * | 2011-12-30 | 2012-06-13 | 王夏静 | Prefabricated column of reserved concealed column channel, concealed column type complete assembled earthquake-resistant building and its method |
| CN203834825U (en) * | 2014-03-10 | 2014-09-17 | 安徽省建筑设计研究院有限责任公司 | Connection structure of prefabricated stair of overlapped wallboard room |
| CN104164922A (en) * | 2014-07-22 | 2014-11-26 | 南京长江都市建筑设计股份有限公司 | Connecting structure and method of non-prestress laminated slab and support |
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| CN110359613A (en) | 2019-10-22 |
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