CN109695289B - Crack-resistant prefabricated superposed balcony slab and construction method thereof - Google Patents
Crack-resistant prefabricated superposed balcony slab and construction method thereof Download PDFInfo
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- CN109695289B CN109695289B CN201811454494.5A CN201811454494A CN109695289B CN 109695289 B CN109695289 B CN 109695289B CN 201811454494 A CN201811454494 A CN 201811454494A CN 109695289 B CN109695289 B CN 109695289B
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- prefabricated
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- balcony slab
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- 238000010276 construction Methods 0.000 title abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 239000002131 composite material Substances 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change 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
- E04B1/003—Balconies; Decks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an anti-cracking prefabricated folding balcony slab and a construction method thereof, wherein the anti-cracking prefabricated folding balcony slab comprises a prefabricated balcony beam and a prefabricated folding balcony slab, horizontal truss reinforcing bars are arranged in the prefabricated folding balcony slab, balcony slab reserved reinforcing bars are outwards arranged in the prefabricated balcony beam, vertical truss reinforcing bars are arranged in the prefabricated balcony beam, one end of each vertical truss reinforcing bar is fixedly connected to the prefabricated balcony beam, and a full prefabricated transition plate is arranged at the joint of the prefabricated balcony beam and the prefabricated folding balcony slab. Compared with the prior art, the prefabricated folding balcony slab has the advantages that compared with a full prefabricated balcony, the prefabricated folding balcony slab is light in weight, easy to install, reliable in connection with the main body post-cast concrete, and capable of improving the cracking resistance of the end part of the prefabricated folding balcony slab, so that the components are not easy to damage in the transportation and stacking processes.
Description
Technical Field
The invention relates to an anti-cracking prefabricated superposed balcony slab and a construction method thereof, belonging to the structural design and prefabricated assembly building technology.
Background
The balcony component has larger application proportion in residential buildings, and the prefabricated balcony has larger weight if the prefabricated balcony component is in a full prefabricated form, so that the connection quality with the main body is not easy to control, and the lifting is not facilitated. For convenient installation and reliable connection with the main body, the prefabricated balcony generally adopts a plate type folding technology. The prefabricated superposed balcony slab component is generally designed into a prefabricated balcony Liang Jia prefabricated composite slab, and the problems of the prior prefabricated superposed balcony slab are as follows: as shown in fig. 1 and 2, the concrete of the prefabricated folding balcony slab has abrupt cross section at the junction of the prefabricated balcony beam and the prefabricated folding balcony slab, so that stress concentration, deformation and cracks are easily generated in the processes of demoulding, transporting and hoisting the components, thereby influencing the appearance, quality and safety of the prefabricated folding balcony slab.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and provides an anti-cracking prefabricated folding balcony board and a construction method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an anti prefabricated coincide balcony slab that splits, includes interconnect's prefabricated balcony roof beam and prefabricated coincide balcony slab, be provided with a plurality of horizontal direction truss reinforcing bars in the prefabricated coincide balcony slab, horizontal direction truss reinforcing bars are on a parallel with the wall body, and prefabricated coincide balcony slab is close to the wall body edge and has balcony slab bottom reinforcing bars, outwards be provided with balcony face preformed reinforcement in the prefabricated balcony roof beam, balcony face preformed reinforcement is located prefabricated coincide balcony slab top, be provided with a plurality of vertical direction truss reinforcing bars in the prefabricated balcony roof beam, vertical direction truss reinforcing bars perpendicular to horizontal direction truss reinforcing bars, the one end fixed connection of vertical direction truss reinforcing bars is on the reinforcing bars in the prefabricated balcony roof beam, the junction of prefabricated balcony roof beam and prefabricated coincide balcony slab is provided with the full prefabricated transition board of pouring formation, full prefabricated transition board fixed connection is in prefabricated balcony roof beam and prefabricated coincide balcony slab.
As a further preferred solution, the side edge of the fully prefabricated transition panel facing away from the prefabricated balcony beam has an inclined cross section.
As a further preferable scheme, the side edge of the prefabricated folding balcony slab is also provided with a prefabricated balcony beam, the end part of the horizontal truss steel bar is fixedly connected to the steel bar in the prefabricated balcony beam at the side edge of the prefabricated folding balcony slab, and a full prefabricated transition plate is also arranged at the joint of the prefabricated balcony beam at the side edge of the prefabricated folding balcony slab and the prefabricated folding balcony slab.
As a further preferred aspect, the prefabricated laminated balcony slab surface and the inclined cross-section surface are provided with napping layers.
A method of constructing an anti-crack prefabricated composite deck, comprising the steps of:
step one: binding balcony slab bottom reinforcing bars of the prefabricated superposed balcony slab and internal reinforcing bars of the prefabricated balcony beams in the prefabricated balcony mold;
step two: binding horizontal truss steel bars on the bottom steel bars of the balcony slab, wherein the horizontal truss steel bars extend into the prefabricated balcony beams for 20mm;
step three: binding vertical truss steel bars on the bottom steel bars of the balcony slab, wherein the vertical truss steel bars extend into the prefabricated balcony beams for 20mm;
step four: placing and binding local plate surface reinforcing steel bars in the range of a full prefabricated transition plate on the prefabricated superposed balcony slab;
step five: pouring concrete in the prefabricated balcony mold to form a prefabricated balcony beam, a prefabricated superposed balcony slab and a full prefabricated transition plate, and pouring the edge of one side of the full prefabricated transition plate far away from the prefabricated balcony beam into an inclined section;
step six: and (5) napping the surface of the prefabricated superposed balcony slab and the inclined section.
Compared with the prior art, the invention has the beneficial effects that:
1. the prefabricated superposed balcony slab has lighter weight and easy installation compared with a full prefabricated balcony.
2. The prefabricated superposed balcony slab is reliably connected with the main body post-cast concrete.
3. The cracking resistance of the end part of the prefabricated superposed balcony slab is improved, so that the components are not easy to damage in the transportation and stacking processes.
Drawings
FIG. 1 is a schematic diagram of a prior art construction of the present invention;
FIG. 2 is a side cross-sectional view of the prior art of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a side cross-sectional view of the present invention;
FIG. 5 is a view of the construction of the cast-in-place section of the present invention;
fig. 6 is a schematic view of a vertical truss rebar structure;
the balcony beam comprises a 1-prefabricated balcony beam, a 2-prefabricated superposed balcony slab, 3-horizontal truss steel bars, 4-balcony slab surface reserved steel bars, 5-balcony slab bottom steel bars, 6-vertical truss steel bars, 7-full prefabricated transition plates, 8-inclined sections and 9-napping layers.
Detailed Description
The following describes in detail the preferred embodiments of the present invention with reference to the accompanying drawings.
In the prior art, prefabricated coincide balcony slab, including interconnect's prefabricated balcony roof beam 1 and prefabricated coincide balcony slab 2, be provided with a plurality of horizontal direction truss reinforcing bars 3 in the prefabricated coincide balcony slab 2, horizontal direction truss reinforcing bars 3 are on a parallel with the wall body, prefabricated coincide balcony slab 2 is close to wall body edge has the balcony slab bottom reinforcing bars 5 that stretch out, balcony slab bottom reinforcing bars 5 run through prefabricated coincide balcony slab 2 and are connected to prefabricated balcony beam 1, prefabricated coincide balcony slab 2 is fixed in the wall body through balcony slab bottom reinforcing bars 5, inwards extend in the prefabricated balcony beam 1 and be provided with balcony face reservation reinforcing bars 4, balcony face reservation reinforcing bars 4 are located prefabricated coincide balcony slab 2 top, cement that lays when being convenient for later stage find the horizon can wrap up balcony face reservation reinforcing bars 4, play the fixed action, the tie point between prefabricated balcony beam 1 and the prefabricated coincide balcony slab 2 is easy fracture position, and weak tie point also has the problem in the bearing aspect.
The invention discloses an anti-cracking prefabricated folding balcony slab, which aims to solve the problem that the abrupt change of the cross section of the prefabricated folding balcony slab is easy to crack, and concretely comprises the following steps that a plurality of vertical truss steel bars 6 are arranged in a prefabricated balcony beam 1, 2-3 balcony slab reserved steel bars 4 are arranged between two adjacent vertical truss steel bars 6, the vertical truss steel bars 6 are perpendicular to horizontal truss steel bars 3, one end of each vertical truss steel bar 6 is fixedly connected to the steel bars in the prefabricated balcony beam 1, a full prefabricated transition plate 7 formed by pouring is arranged at the connecting position of the prefabricated balcony beam 1 and the prefabricated folding balcony slab 2, an inclined cross section 8 is arranged at the edge of one side of the full prefabricated transition plate 7, which is far away from the prefabricated folding balcony beam 1, the inclined cross section 8 can avoid stress concentration caused by height difference, cracking is prevented, the full prefabricated transition plate 7 is fixedly connected to the prefabricated folding balcony beam 1 and the prefabricated folding balcony slab 2, stability is enhanced, and the bearing capacity is improved at the connecting point of the full prefabricated folding balcony beam 1 and the prefabricated folding balcony slab 2.
Further, the side edge of the prefabricated folding balcony slab 2 is also provided with a prefabricated balcony beam 1, the end part of the horizontal truss steel bar 3 is fixedly connected to the steel bar in the prefabricated balcony beam 1 at the side edge of the prefabricated folding balcony slab 2, the connection part of the prefabricated balcony beam 1 at the side edge of the prefabricated folding balcony slab 2 and the prefabricated folding balcony slab 2 is also provided with a full prefabricated transition plate 7, and the full prefabricated transition plate 7 is reinforced in all directions on the periphery of the prefabricated folding balcony slab 2.
The full prefabricated transition plate 7 is additionally arranged, so that the thickness of the edge of the prefabricated composite balcony slab 2 is increased, the paving of ground cement at the later stage of the prefabricated composite balcony slab 2 is affected to a certain extent, in order to improve the stability of thinner ground cement, napping treatment is carried out on the surfaces of the prefabricated composite balcony slab 2 and the inclined cross section 8, a napping layer 9 is added, the contact surface with cement is increased, the drawknot force between the cement and the prefabricated composite balcony slab 2 is improved, and the stability is improved.
A method of constructing an anti-crack prefabricated composite deck, comprising the steps of:
step one: binding balcony slab bottom steel bars 5 of the prefabricated superposed balcony slab 2 and internal steel bars of the prefabricated balcony beam 1 in a prefabricated balcony mold;
step two: binding horizontal truss steel bars 3 on balcony slab bottom steel bars 5, wherein the horizontal truss steel bars 3 extend into the prefabricated balcony beams 1 for 20mm;
step three: binding a plurality of vertical truss steel bars 6 on the balcony slab bottom steel bars 5, wherein the vertical truss steel bars 6 extend into the prefabricated balcony beams 1 for 20mm;
step four: placing and binding local plate surface steel bars within the range of the full-prefabricated transition plate 7 on the prefabricated superposed balcony slab 2, wherein the local plate surface steel bars are other fixed steel bars in concrete, and are the prior art;
step five: pouring concrete in the prefabricated balcony mold to form a prefabricated balcony beam 1, a prefabricated superposed balcony slab 2 and a full prefabricated transition plate 7, and pouring the edge of one side of the full prefabricated transition plate 7 far away from the prefabricated balcony beam 1 into an inclined section 8;
step six: and (3) napping the surface of the prefabricated laminated balcony slab 2 and the inclined cross section 8.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (2)
1. The utility model provides an anti prefabricated coincide balcony board that splits, includes interconnect's prefabricated balcony roof beam (1) and prefabricated coincide balcony board (2), be provided with a plurality of horizontal direction truss reinforcing bars (3) in prefabricated coincide balcony board (2), horizontal direction truss reinforcing bars (3) are on a parallel with the wall body, and prefabricated coincide balcony board (2) are close to the wall body edge and have balcony slab bottom reinforcing bars (5), inwards outwards extend in prefabricated balcony roof beam (1) and are provided with balcony face reservation reinforcing bars (4), and balcony face reservation reinforcing bars (4) are located prefabricated coincide balcony board (2) top, its characterized in that: a plurality of vertical truss steel bars (6) are arranged in the prefabricated balcony beam (1), the vertical truss steel bars (6) are perpendicular to the horizontal truss steel bars (3), one end of each vertical truss steel bar (6) is fixedly connected to the steel bars in the prefabricated balcony beam (1), a full prefabricated transition plate (7) formed by pouring is arranged at the joint of the prefabricated balcony beam (1) and the prefabricated superposed balcony slab (2), and the full prefabricated transition plate (7) is fixedly connected to the prefabricated balcony beam (1) and the prefabricated superposed balcony slab (2);
the edge of one side of the full prefabricated transition plate (7) far away from the prefabricated balcony beam (1) is provided with an inclined section (8);
the side edge of the prefabricated folding balcony slab (2) is also provided with a prefabricated balcony beam (1), the end part of the horizontal truss steel bar (3) is fixedly connected to the steel bar in the prefabricated balcony beam (1) at the side edge of the prefabricated folding balcony slab (2), and a full prefabricated transition plate (7) is also arranged at the joint of the prefabricated balcony beam (1) at the side edge of the prefabricated folding balcony slab (2) and the prefabricated folding balcony slab (2);
the surface of the prefabricated superposed balcony slab (2) and the surface of the inclined section (8) are provided with napping layers (9).
2. The method of constructing an anti-crack prefabricated composite pallet according to claim 1, comprising the steps of:
step one: binding balcony slab bottom steel bars (5) of the prefabricated superposed balcony slab (2) and internal steel bars of the prefabricated balcony beams (1) in a prefabricated balcony mold;
step two: binding horizontal truss steel bars (3) on balcony slab bottom steel bars (5), wherein the horizontal truss steel bars (3) extend into the prefabricated balcony beams (1) for 20mm;
step three: binding a plurality of truss steel bars (6) in the vertical direction on the balcony slab bottom steel bars (5), wherein the truss steel bars (6) in the vertical direction extend into the prefabricated balcony beam (1) for 20mm;
step four: placing and binding local plate surface reinforcing steel bars in the range of a full prefabricated transition plate (7) on the prefabricated superposed balcony slab (2);
step five: pouring concrete in the prefabricated balcony mold to form a prefabricated balcony beam (1), a prefabricated superposed balcony slab (2) and a full prefabricated transition plate (7), and pouring the edge of one side of the full prefabricated transition plate (7) far away from the prefabricated balcony beam (1) into an inclined section (8);
step six: and (3) napping the surface of the prefabricated superposed balcony slab (2) and the inclined section (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454494.5A CN109695289B (en) | 2018-11-30 | 2018-11-30 | Crack-resistant prefabricated superposed balcony slab and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454494.5A CN109695289B (en) | 2018-11-30 | 2018-11-30 | Crack-resistant prefabricated superposed balcony slab and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109695289A CN109695289A (en) | 2019-04-30 |
| CN109695289B true CN109695289B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811454494.5A Active CN109695289B (en) | 2018-11-30 | 2018-11-30 | Crack-resistant prefabricated superposed balcony slab and construction method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501990A (en) * | 2020-04-17 | 2020-08-07 | 安徽筑砼装配式建筑研究院有限公司 | Anti-cracking prefabricated balcony and assembling method thereof |
| CN113846809A (en) * | 2021-09-26 | 2021-12-28 | 浙江绿筑集成科技有限公司 | Mounting method of prefabricated overhanging gutter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007169953A (en) * | 2005-12-20 | 2007-07-05 | Tesuku:Kk | Precast balcony structure, and reinforced concrete outside insulation wall structure with balcony |
| CN203334423U (en) * | 2013-06-17 | 2013-12-11 | 南京长江都市建筑设计股份有限公司 | Rebar joint structure of prefabricated stacked balcony slab and main body |
| CN203393838U (en) * | 2013-06-13 | 2014-01-15 | 南京长江都市建筑设计股份有限公司 | Prefabricated balcony connecting mechanism with steel bar trusses |
| CN209538373U (en) * | 2018-11-30 | 2019-10-25 | 南京长江都市建筑设计股份有限公司 | A kind of prefabricated overlapping balcony slab of cracking resistance |
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2018
- 2018-11-30 CN CN201811454494.5A patent/CN109695289B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007169953A (en) * | 2005-12-20 | 2007-07-05 | Tesuku:Kk | Precast balcony structure, and reinforced concrete outside insulation wall structure with balcony |
| CN203393838U (en) * | 2013-06-13 | 2014-01-15 | 南京长江都市建筑设计股份有限公司 | Prefabricated balcony connecting mechanism with steel bar trusses |
| CN203334423U (en) * | 2013-06-17 | 2013-12-11 | 南京长江都市建筑设计股份有限公司 | Rebar joint structure of prefabricated stacked balcony slab and main body |
| CN209538373U (en) * | 2018-11-30 | 2019-10-25 | 南京长江都市建筑设计股份有限公司 | A kind of prefabricated overlapping balcony slab of cracking resistance |
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| Publication number | Publication date |
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| CN109695289A (en) | 2019-04-30 |
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