CN107905423A - A kind of assembly concrete floor and its construction method - Google Patents
A kind of assembly concrete floor and its construction method Download PDFInfo
- Publication number
- CN107905423A CN107905423A CN201710994051.4A CN201710994051A CN107905423A CN 107905423 A CN107905423 A CN 107905423A CN 201710994051 A CN201710994051 A CN 201710994051A CN 107905423 A CN107905423 A CN 107905423A
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- connector
- concrete
- concrete slab
- transverse slat
- stringer board
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Classifications
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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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/023—Separate connecting devices for prefabricated floor-slabs
-
- 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of assembly concrete floor and its construction method.Assembly concrete floor includes concrete slab and connection unit, per adjacent two concrete slab all by connection unit assembly connection together.The connection unit includes bindiny mechanism, and bindiny mechanism includes first, second connector, and the first connector includes the first transverse slat and the first stringer board being fixed together.The concrete slab includes bar-mat reinforcement, first stringer board and bar-mat reinforcement are fixed and welded together, the casting concrete on bar-mat reinforcement, the first stringer board forms concrete slab border and the first transverse slat is located at outside concrete slab, and the first transverse slat of adjacent two concrete slab is fixed together by the second connector；Casting concrete in bindiny mechanism between adjacent two concrete slab.It can produce following advantage：Easy to factory process, industrialization is easily formed, meets the superiority condition that assembled architecture industrial policy is carried out by country；It is easy for installation, bindiny mechanism is simple, situ wet operation is less, easy to constructing.
Description
Technical field
The present invention relates to the building structure field of engineering discipline, relate in particular to a kind of assembly concrete floor and its
Construction method.
Background technology
Building industrialization is the trend and trend of building industry development, and assembled architecture is that the main member in building exists
Factory's manufacture is completed, then the building for meeting predetermined function requirement is formed after the scene of transporting and Fast Installation, has building work
The characteristics of industry.Compared with the mode of construction based on traditional site operation, advance is mainly manifested in prefabrication and assembly construction technology：Structure
Accessory production plant, site operation mechanization, organization and administration are scientific, so as to efficiently reduce building waste, reduce
Harmful effect, saving labour and the shortening construction period of construction to environment etc..For this reason, how to realize assembled architecture knot
The links such as design, production and the installation of structure, are the key issues that structural engineering teacher is faced, and current research heat
Point.
For common frame structure, beam, column belong to linear beam element, and the scale of construction of single component is relatively small, as long as
The connecting portion at both ends is resolved, is just easier to realize fabricated production technology and construction.However, coagulation in building structure
The area of plane of Tulou plate is larger, there are tonnage is big, transport difficult, construction when lift the difficult points such as inconvenience.At present, it is most
Concrete floor still uses cast in situs formula operation.
The content of the invention
The present invention provides a kind of assembly concrete floor and its construction method, concrete in background technology is which overcomed
Floor is using the deficiency present in cast in situs formula operation.
The present invention solves one of used technical solution of its technical problem：
A kind of assembly concrete floor, including some concrete slabs (20) and connection unit (10), this is per adjacent two
Concrete slab (20) all by a connection unit (10) assembly connection together；The connection unit (10) includes bindiny mechanism
(11), which includes the first connector and the second connector, first connector include being fixed together the
One transverse slat (111) and the first stringer board (112)；The concrete slab (20) include at least between the upper and lower every two layers by reinforcing bar in length and breadth bind
The bar-mat reinforcement (21) of composition, first stringer board (112) and bar-mat reinforcement (21) are fixed and welded together, are poured on bar-mat reinforcement (21)
Concrete is with into concrete slab (20), the first stringer board (112) forms concrete slab (20) border and the first transverse slat (111) is positioned at mixed
Outside, the first transverse slat (111) of adjacent two concrete slab (20) is fixed together concrete board (20) by the second connector；
Casting concrete in bindiny mechanism (11) between adjacent two concrete slab (20).
Among one embodiment：The concrete slab (20) is equipped with multiple above-mentioned first connectors along longitudinal arrangement；The connection
Mechanism (11) further includes the 3rd connector, which includes the second transverse slat (113) and the second stringer board being fixed together
(114)；The first transverse slat (111) alignment of corresponding first connector of adjacent two concrete slab (20), the first of the alignment
For transverse slat (111) clamping connection between the second transverse slat (113) of two second connectors, the another bolt mechanism that arranges fixes the first transverse slat
(111) and the second transverse slat (113)；The second stringer board (114) of the second connector between every adjacent two first connector passes through
3rd connector is fixed.
Among one embodiment：3rd connector includes fixed plate (115), between this is per adjacent two first connector
The second stringer board (114) alignment of second connector, the second stringer board (114) clamping connection are another to arrange between two fix plate (115)
Bolt mechanism fixes the fixation plate (115) and the second stringer board (114).
Among one embodiment：Between first transverse slat (111) and the second transverse slat (113), the fixation plate (115) and second
Wearing plate (116) is designed between stringer board (114).
Among one embodiment：First connector and all T-shaped structure of the second connector.
Among one embodiment：The concrete slab (20) further includes anchoring built-in fitting (22), the anchoring built-in fitting (22) anchoring
In the first stringer board (112), concreting is in bar-mat reinforcement (21) and anchors on built-in fitting (22) to form concrete slab (20).
Among one embodiment：The concrete slab (20) is equipped with two layers of bar-mat reinforcement (21), which is located at two
Between layer bar-mat reinforcement (21).
What the present invention solved the used technical solution of its technical problem two is：
A kind of construction method of above-mentioned assembly concrete floor, including：
Step 1, precast slab (20) and bindiny mechanism (11) in factory：Bindiny mechanism (11) is made, is made mixed
The formwork for placing and bar-mat reinforcement (21) of concrete board, set the first connector, anchoring built-in fitting (22) and reinforcing bar in formwork for placing
Net (21), welds the first connector and bar-mat reinforcement (21), the first connector of anchoring and anchoring built-in fitting (22), toward in formwork for placing
Casting concrete, removes formwork for placing after curing concrete；
Step 2, concrete slab (20) is positioned at the construction field (site), and reserves the connection unit of adjacent two concrete slab (20)
(10) installation interval；
Step 3, be fixedly attached the first connector and the second connector；
Step 4, positioning of bottom template, on the template of bottom, the bindiny mechanism (11) at the interval of two concrete slabs (20)
Upper casting concrete, curing concrete, finally removes bottom template.
Compared with background technology, it has the following advantages that the technical program：
Concrete slab includes bar-mat reinforcement, and the first stringer board and bar-mat reinforcement are fixed and welded together, and coagulation is poured on bar-mat reinforcement
Soil, the first stringer board form concrete slab border, and the first transverse slat of adjacent two concrete slab is fixedly connected on by the second connector
Together, casting concrete in the bindiny mechanism between adjacent two concrete slab, all passes through connection by adjacent concrete slab
Unit is connected to overall floor, therefore generates following technique effect：A is easy to factory process, easily forms industrialization, meets state
The superiority condition of assembled architecture industrial policy is carried out by family；B is easy for installation, bindiny mechanism is simple, situ wet operation is less, is easy to
Construction.The connection unit of plate can pass through the Friction dissipation seismic energy between plate under geological process.If some plate or
Person's connector damages in itself, can repair damage component, replace.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram of the assembly concrete floor of present embodiment.
Fig. 2 is the schematic cross-sectional view of adjacent two concrete slabs and the connection unit assembling of present embodiment.
Fig. 3 is the schematic top plan view of adjacent two concrete slabs and the connection unit assembling of present embodiment.
Fig. 4-1 is the schematic front view of the first connector of present embodiment.
Fig. 4-2 is the left view schematic diagram of the first connector of present embodiment.
Fig. 4-3 is the schematic top plan view of the second connector of present embodiment.
Fig. 5-1 is the schematic front view of the second connector of present embodiment.
Fig. 5-2 is the left view schematic diagram of the second connector of present embodiment.
Fig. 5-3 is the schematic top plan view of the second connector of present embodiment.
Fig. 6 is the structure diagram of the fixation plate of present embodiment.
Fig. 7 is the structure diagram of the bolt mechanism of present embodiment.
Embodiment
Fig. 1 to Fig. 7, a kind of assembly concrete floor, including some concrete slabs 20 and connection unit 10 are refer to,
This per adjacent two concrete slab 20 all by 10 assembly connection of a connection unit together.
The connection unit 10 includes bindiny mechanism 11, which includes the first connector, the second connector and the
Three connectors.First connector includes the first transverse slat 111 and the first stringer board 112 being fixed together；The second connector bag
Include the second transverse slat 113 and the second stringer board 114 being fixed together；3rd connector includes fixed plate 115；First connection
The all T-shaped structure of part, the second connector.
The concrete slab 20 include two layers between the upper and lower every anchored by the bar-mat reinforcement 21 and two that forms of the binding of reinforcing bar in length and breadth it is pre-
Embedded part 22, the anchoring built-in fitting 22 is between two layers of bar-mat reinforcement 21, positioned at the middle part of concrete slab 20.First stringer board 112
It is fixed and welded together with bar-mat reinforcement 21, which is anchored at the first stringer board 112；The concrete of the concrete slab 20
It is cast on bar-mat reinforcement 21 and anchoring built-in fitting 22.First stringer board 112 forms 20 border of concrete slab and the first transverse slat 111
In outside concrete slab 20, if concrete slab 20 is rectangle, the first stringer board 112 is set along the first side of concrete slab 20, and first
Transverse slat 111 is set along vertical first side, and among present embodiment, which is equipped with multiple along longitudinal arrangement
Above-mentioned first connector.As needed, it can set to hang on concrete slab and connect hole.
First transverse slat 111 of adjacent two concrete slab 20 is fixed together by the second connector, concrete structure
In：Alignment, the first of the first connector of the alignment are horizontal one by one for multiple first connectors of adjacent two concrete slab 20
Plate 111 aligns and distal edge interval, 111 clamping connection of the first transverse slat of the alignment between the second transverse slat 113 of two second connectors,
The another bolt mechanism that arranges fixes the first transverse slat 111 and the second transverse slat 113.The second connection between every adjacent two first connector
Second stringer board 114 of part is fixed by the 3rd connector, in concrete structure：Second between every adjacent two first connector connects
Second stringer board 114 of fitting aligns, and 114 clamping connection of the second stringer board between two fix plate 115, fix by the another bolt mechanism that arranges
115 and second stringer board 114 of fixation plate.Preferably, between 111 and second transverse slat 113 of the first transverse slat, the fixation plate 115
And second be designed with wearing plate 116 between stringer board 114.
11 casting concrete of bindiny mechanism between adjacent two concrete slab 20, by some concrete slabs 20 and connection
Unit 10 connects integral.
The structure of the bolt mechanism such as Fig. 7, including screw rod 33, nut 31 and packing ring 32, nut are screwed onto screw rod, packing ring set
Connect screw rod.
A kind of construction method of assembly concrete floor, including：
Plate design and fabrication：According to national standard《Code for design of concrete structures》, the coagulation in design framework structure
Tulou plate, generally two-layer two-way reinforcement.According to easy for construction, economic span principle, overall floor is divided into polylith coagulation
Native plate 20 (calling plate in the following text), such as 3-5 blocks, determines the size of plate.Each plate is numbered, so that construction in later period is pacified
Dress.Specific schematic diagram is as shown in Figure 1.
Prefabrication phase in factory：
Step 11, bindiny mechanism 11 is made, the region between adjacent two plate 20 needs to be equipped with bindiny mechanism 11.The region
For strip, width is X to (as laterally), and length direction is Y-direction (such as longitudinal direction), specific as shown in Figure 1, and bindiny mechanism
Scheme of installation such as Fig. 2 and Fig. 3.Wherein：First connector, the second connector, the 3rd connector, wear-resisting plate, bolt mechanism
All processed in advance in factory；National standard is observed in the design of each part《Code for design of steel structures》, consider local buckling, whole
Body unstability, the checking computations such as be bolted；The total height of first connector should be less than the thickness of slab of plate 20, the upper and lower reinforcing bar that reserves
Protective layer thickness；The total height of second connector is slightly below the first transverse slat height of the first connector；Fixed plate, wear-resisting plate
It should be the good steel plate of wear-resisting property, such as abrasion-resistant stee, brass sheet etc..To improve the wear-resisting property between each material, can incite somebody to action
Each joint face carries out frosted processing.The model of bolt mechanism need to pass through specification Selection and Design, for improve bolt tightness and
Precompression, need to set packing ring 32 between nut 31 and plate (such as the second transverse slat, fixed plate), preferentially select butterfly gasket, shellfish
Family name's packing ring etc..First, second transverse slat, the second stringer board, fixed plate, the bolt hole of wear-resisting plate, have reserved elongated hole, with this
To prevent rigging error, easy to can smoothly install, while it in turn ensure that connector has necessarily after friction texturizing failure
Deformation space.
Step 11, concrete slab 20 is made：
A) size according to plate 20, makes formwork for placing.
B) intraplate bar-mat reinforcement 21 is bound.
C) the first connector need to be embedded in the link position of plate 20.Adjustment, the position of the first connector of calibration, it is ensured that after
The in-site installation of phase can be smoothed out.
D) the first stringer board 112 of the first connector is welded with bar-mat reinforcement 21 to fix the first connector.And upper reinforcement
Preferably at least ensure there is two reinforcing bars are elongated reliably to be welded with the first stringer board in net (lower rebar net), to be fixedly connected with mechanism
11 the first connector and plate 20, specifically refer to Fig. 2 and Fig. 4；Meanwhile anchor built-in fitting 22 and be welded on relevant position.
To prevent the middle part of the first connector and concrete plate 20 from departing from, two anchoring built-in fittings are set in the central region of the part
22 (such as spiral, anchorage length are at least 10 times of spiral diameter), are embedded in inside concrete, and set two layers,
Specifically refer to Fig. 2 and Fig. 4.
E) tightness of periphery formwork for placing is checked, casting concrete, removes formwork for placing after curing concrete.
F) plate 20 with pre-buried first connector makes and finishes.
The in-site installation stage：
Step 3, it includes：
A) predetermined number is pressed, plate is lifted in place, and reserves the clipping room that adjacent two plate 20 is used for connection unit 10
Every.
B) it is horizontal in 111 both sides of the first transverse slat, the second transverse slat 113 of the second connector of setting, the second of two second connectors
113 the first transverse slat of clamping connection 111 of plate, the first transverse slat 111 and the second transverse slat 113 are fastenedly connected by bolt mechanism.It is specific opposite
Position can be found in Fig. 2 and Fig. 3, by the connection realize X to connection.
C) both sides of the second stringer board 114 set fixed plate 115, and two fix 115 the second stringer board of clamping connection 114 of plate, pass through
Bolt mechanism is fastenedly connected.Specific relative position can be found in Fig. 2 and Fig. 3, and the connection of Y-direction is realized by the connection.
D) repeat step b and c, those connectors to link together along plate connection the elongated of interval.
Step 4, the bottom template 41 at the connection of supporting plate 20 interval, pours High strength and high performanc e concrete, fills the interval
Region, overall concrete floor is connected as by each independent concrete plate 20, so as to work together, is played predetermined
Function.Curing concrete, form removal, assembled floor are mounted to shape.
Wherein：The border without connection of plate, then can be directly placed in frame structure or integrally be poured with structure
Build up entirety.
The above, is only present pre-ferred embodiments, therefore cannot limit the scope implemented of the present invention according to this, i.e., according to
The equivalent changes and modifications that the scope of the claims of the present invention and description are made, all should still belong in the range of the present invention covers.
Claims (8)
- A kind of 1. assembly concrete floor, it is characterised in that：, should including some concrete slabs (20) and connection unit (10) Per adjacent two concrete slab (20) all by a connection unit (10) assembly connection together；The connection unit (10) includes connecting Connection mechanism (11), the bindiny mechanism (11) include the first connector and the second connector, which includes being fixed in one The first transverse slat (111) and the first stringer board (112) risen；The concrete slab (20) include at least between the upper and lower every two layers by steel in length and breadth The bar-mat reinforcement (21) that muscle binding is formed, first stringer board (112) and bar-mat reinforcement (21) are fixed and welded together, in bar-mat reinforcement (21) Upper casting concrete is with into concrete slab (20), the first stringer board (112) forms concrete slab (20) border and the first transverse slat (111) Positioned at concrete slab (20) outside, the first transverse slat (111) of adjacent two concrete slab (20) is fixedly connected by the second connector Together；Casting concrete in bindiny mechanism (11) between adjacent two concrete slab (20).
- A kind of 2. assembly concrete floor according to claim 1, it is characterised in that：The concrete slab (20) is equipped with more A above-mentioned first connector along longitudinal arrangement；The bindiny mechanism (11) further includes the 3rd connector, which includes The second transverse slat (113) and the second stringer board (114) being fixed together；Corresponding first connection of adjacent two concrete slab (20) The first transverse slat (111) alignment of part, the second transverse slat (113) of the first transverse slat (111) clamping connection of the alignment in two second connectors Between, the another bolt mechanism that arranges fixes the first transverse slat (111) and the second transverse slat (113)；Between this is per adjacent two first connector The second stringer board (114) of the second connector fixed by the 3rd connector.
- A kind of 3. assembly concrete floor according to claim 2, it is characterised in that：3rd connector includes fixing Plate (115), the second stringer board (114) alignment per the second connector between adjacent two first connector, second stringer board (114) for clamping connection between two fix plate (115), the another bolt mechanism that arranges fixes the fixation plate (115) and the second stringer board (114)。
- A kind of 4. assembly concrete floor according to claim 3, it is characterised in that：First transverse slat (111) and Wearing plate (116) is designed between two transverse slats (113), between the fixation plate (115) and the second stringer board (114).
- A kind of 5. assembly concrete floor according to Claims 2 or 3 or 4, it is characterised in that：First connector and The all T-shaped structure of second connector.
- A kind of 6. assembly concrete floor according to claim 1 or 2 or 3 or 4, it is characterised in that：The concrete slab (20) anchoring built-in fitting (22) is further included, which is anchored at the first stringer board (112), and concreting is in reinforcing bar To form concrete slab (20) on net (21) and anchoring built-in fitting (22).
- A kind of 7. assembly concrete floor according to claim 6, it is characterised in that：The concrete slab (20) is equipped with two Layer bar-mat reinforcement (21), the anchoring built-in fitting (22) is between two layers of bar-mat reinforcement (21).
- A kind of 8. construction method of assembly concrete floor according to claim 6, it is characterised in that：Including：Step 1, precast slab (20) and bindiny mechanism (11) in factory：Bindiny mechanism (11) is made, makes concrete The formwork for placing and bar-mat reinforcement (21) of plate, set the first connector, anchoring built-in fitting (22) and bar-mat reinforcement in formwork for placing (21), the first connector and bar-mat reinforcement (21), the first connector of anchoring and anchoring built-in fitting (22) are welded, toward formwork for placing in pour Concrete is built, formwork for placing is removed after curing concrete；Step 2, concrete slab (20) is positioned at the construction field (site), and reserve the connection unit (10) of adjacent two concrete slab (20) Installation interval；Step 3, be fixedly attached the first connector and the second connector；Step 4, positioning of bottom template, is poured on the template of bottom, in the bindiny mechanism (11) at the interval of two concrete slabs (20) Concrete is built, curing concrete, finally removes bottom template.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710994051.4A CN107905423A (en) | 2017-10-23 | 2017-10-23 | A kind of assembly concrete floor and its construction method |
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| CN201710994051.4A CN107905423A (en) | 2017-10-23 | 2017-10-23 | A kind of assembly concrete floor and its construction method |
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| CN111877621A (en) * | 2020-07-06 | 2020-11-03 | 东南大学 | Precast concrete superstructure slab joint H shaped steel connected node |
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| CN109403473A (en) * | 2018-10-31 | 2019-03-01 | 中建局集团建设发展有限公司 | The box shape steel structure formula load transfer device and its construction method of bottom plate rear pouring tape |
| CN111663697A (en) * | 2020-06-01 | 2020-09-15 | 郑州大学 | Assembled concrete double-T-plate splicing seam bolt connecting structure |
| CN111877621A (en) * | 2020-07-06 | 2020-11-03 | 东南大学 | Precast concrete superstructure slab joint H shaped steel connected node |
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