CN108412099A - Bar connecting formula concrete prefabricated board and connection method are buried after through thickness - Google Patents
Bar connecting formula concrete prefabricated board and connection method are buried after through thickness Download PDFInfo
- Publication number
- CN108412099A CN108412099A CN201810474395.7A CN201810474395A CN108412099A CN 108412099 A CN108412099 A CN 108412099A CN 201810474395 A CN201810474395 A CN 201810474395A CN 108412099 A CN108412099 A CN 108412099A
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- prefabricated board
- overlap joint
- length
- joint reinforcing
- 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.)
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Classifications
-
- 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
Abstract
The invention discloses bury bar connecting formula concrete prefabricated board and connection method after a kind of through thickness, piecemeal is carried out in each plate area lattice that floor beam surrounds, appropriate wide plate stitch need be reserved between arbitrary two adjacent prefabricated board, steel bar stress and distributing bar must be configured in each prefabricated board, steel bar stress need be connected according to plate Bending moment distribution situation in assembly is constructed；The connection of reinforcing bar is attached using the overlap joint reinforcing bar additionally configured, and overlap joint reinforcing bar is placed in the overall overlap joint reinforcing bar residence slot in rectangular shape；High-strength microlith expansive concrete or high-strength expansive mortar are filled in plate stitch and overlap joint reinforcing bar residence slot.The present invention solves existing wallboard class splicing prefabricated components surrounding and goes out the problems such as prefabricated components side mould that rib tape is come is complicated, production efficiency is low, transporting and hoisting operating difficulties；Solve the problems, such as that existing prefabricated board overlapping pours a large amount of wet constructions in the scene brought and can not complete decorative layer construction problem in pre-fabricated factory.
Description
Technical field
The present invention relates to bar connecting formula concrete prefabricated board and connection method is buried after a kind of through thickness, belong to architectural engineering
Technology.
Background technology
In recent years, the requirement with people to living conditions and living environment is constantly promoted, construction industry rapid development.So
And the development of construction industry causes serious resource cost and environmental pollution, and people is forced to seek the new outlet of construction industry.Currently, with
The building industrialization that prefabrication is characterized be construction industry field realize low-carbon, sustainable development critical path it
One.
In prefabrication, the connection type between structural elements is for prefabricated and assembly construction efficiency and clothes
Labour mechanical property has vital influence.Wherein, being connected in entire connection engineering for floor occupies very big proportion, but its
Existing connection type is less efficient.
Floor mainly connects in such a way that overlapping pours at present, and wherein prefabricated board generally requires four sides stretching connections
With reinforcing bar, and nonstandardized technique complicated which results in side mould, it is difficult to realize full-automatic production, seriously affect the production effect of prefabricated board
Rate；Meanwhile four side go out muscle also give stack, transport and lifting etc. processes bring difficulty；In addition, overlapping, which pours, also leads to situ wet
Workload is very big, and it is prefabricated to cannot achieve flooring decorative layer, is away from each other with prefabrication and assembly construction technology path.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, reinforcing bar company is buried after a kind of through thickness of present invention offer
Connect formula concrete prefabricated board, solve production efficiency caused by the more sides of precast floor slab go out muscle in existing floor connecting method it is low,
It stacks, transport and lifts operating difficulties and scene overlapping pours the low problem of the construction efficiency such as wet heavy workload brought.
Technical solution：To achieve the above object, the technical solution adopted by the present invention is：
Bury bar connecting formula concrete prefabricated board after a kind of through thickness, the prefabricated board to the youthful and the elderly to both ends be for being shelved on
On beam；Arrange orthogonal bottom reinforcement bars in the bottom of prefabricated board, the length of long length and from prefabricated board to bottom reinforcement bars is to length
Unanimously, the length of short bottom reinforcement bars is consistent with the short length of prefabricated board；It is shelved on the end top cloth on beam in prefabricated board
Top rebars are set, top rebars extend internally by prefabricated board side, the long length for being shorter in length than prefabricated board to top rebars
To length, the short length for being shorter in length than prefabricated board of short top rebars；For needing overlapped reinforcing bar, wait taking with the reinforcing bar
It is side to connect section, and the overlap joint reinforcing bar residence slot of cuboid or class cuboid is inwardly opened up in the top down of prefabricated board, side.
By taking Common House is built as an example, any layer floorboard therein can be regarded as being made of several plate area lattice, each
Plate area lattice are actually area's lattice that four adjacent floor beams are surrounded；In general, the area of each plate area lattice can be larger, by
Be limited to traffic condition and one piece of complete prefabricated board can not be fabricated to, it need again be decomposed into several prefabricated boards, and by its
It is arranged in plate area lattice, then material is poured after pouring；When complete all prefabricated boards of the floor arrangement and after pour the pouring of material after,
It is formed by the complete floor construction that structure is the floor.The present invention's is exactly to be improved to the prefabricated board in the system
Design.
In the invention, every piece of prefabricated board is both needed to configure steel bar stress and distributing bar according to existing design method, we
Bottom reinforcement bars and top rebars are all without exposing outside prefabricated board in design, and use and grown to length, short length with prefabricated board
The transport and storage in later stage are convenient in consistent or less than normal design.
Preferably, the short bottom reinforcement bars are arranged in both sides and grow region between top rebars, in order to connect；And
The region covered to top rebars is grown in both sides, can not have to setting short bottom reinforcement bars；But the parameter designing of each reinforcing bar needs
Meet existing code requirement, according to existing proper calculation.
Preferably, the overlap joint reinforcing bar residence slot length is not less than the overlap joint reinforcing bar length of code requirement, overlap joint reinforcing bar residence slot
For width within the scope of 40~60mm, overlap joint reinforcing bar residence groove depth is identical as reinforcing bar depth to be overlapped.
Preferably, when the corner of the prefabricated board encounters frame column, matching notch is reserved in the corner.
The connection method that bar connecting formula concrete prefabricated board is buried after a kind of above-mentioned through thickness, includes the following steps：
(1) prefabricated board is placed on beam, reserves plate stitch spacing between adjacent two prefabricated board, prefabricated board is connect with frame column
Position reserves column week plate stitch spacing；
(2) it places bottom in the overlap joint reinforcing bar residence slot of bottom and overlaps reinforcing bar, at the top of top overlaps and placed in reinforcing bar residence slot
Overlap reinforcing bar；
(3) it pours material after being poured in plate stitch, column week plate stitch, overlap joint reinforcing bar residence slot and maintains.
Preferably, in the step (1) plate stitch width be 50~100mm, column week plate stitch width be 50~100mm.
Preferably, the depth of all bottom overlap joint reinforcing bar residence slots is consistent, and the depth of all top overlap joint reinforcing bar residence slots is consistent.
Preferably, the both ends of the bottom overlap joint reinforcing bar are individually positioned in the corresponding bottom overlap joint reinforcing bar residence of two pieces of prefabricated boards
In slot, the both ends of top overlap joint reinforcing bar are individually positioned in the corresponding top overlap joint reinforcing bar residence slot of two pieces of prefabricated boards.
Preferably, the length of the overlap joint reinforcing bar be equal to be placed in two overlap joints reinforcing bars residence slot lengths and plate stitch width it
With.
Preferably, it is high-strength microlith expansive concrete or high-strength expansive mortar that material is poured after being poured in the step (3).
Advantageous effect：Bar connecting formula concrete prefabricated board and connection method are buried after through thickness provided by the invention, relatively
In the prior art, there is following advantage：1, prefabricated chunk need not stretch out reinforcing bar in surrounding, to simplify prefabricated panel component
Side mould, be then conducive to template standard, the stacking for improving prefabricated components production efficiency, being conducive to prefabricated components, transport and
Lifting operation；2, prefabricated chunk is directly prefabricated into through thickness component, does not need construction site overlapping and pours, and avoids live a large amount of
Wet construction, and plate face can complete decorative layer construction to through thickness prefabricated chunk in pre-fabricated factory up and down, further reduce construction
Field operation amount shortens the site operation duration；3, adjacent plate bar connecting only needs the overlap joint reinforcing bar that will be cut to be placed into take
It connects in reinforcing bar residence slot and pours, assembly connection convenience and production efficiency are improved；4, through thickness prefabricated chunk exists
It shelves direction and has born most dead load and part Live Loads on Floors in Buildings, connecting portion is subjected only to part flooring work lotus
It carries, thus compared with traditional superimposed sheet and traditional Bars In Poured Concrete Slab, the risk of connecting portion bearing capacity and crack resistance failure substantially reduces.
Description of the drawings
Fig. 1 is the floor construction of the present invention and the arrangement schematic diagram of prefabricated board；
Fig. 2 is the structural schematic diagram that three sides shelve that both sides connect plate；
Fig. 3 is the structural schematic diagram that both sides shelve that three sides connect plate；
Fig. 4 is three structural schematic diagrams that plate first is connected when shelving three；
Fig. 5 is three structural schematic diagrams that plate second is connected when shelving three；
Fig. 6 is the structural schematic diagram that both sides shelve that four sides connect plate；
Fig. 7 is three structural schematic diagrams that plate is connected when shelving four；
Fig. 8 is two adjacent plate reinforcement attachment structure schematic diagrams；
Fig. 9 is two adjacent plate plate top steel bar connecting structure schematic diagrames.
Figure includes：
1, frame column；2, outline border is set a roof beam in place；3, inside casing is set a roof beam in place；4, secondary beam；
11, both sides connection plate is shelved on three sides；12, three sides connection plate is shelved on both sides；13, three when shelving three connecting plate
Block first；14, three plate second is connected when shelving three；15, four sides connection plate is shelved on both sides；16, three when shelving four connecting plate
Block；17, hanging plate stitch；18, plate stitch on beam；19, column week plate stitch；X, any plate in 11 to 16；Y, it is connected with X in 11 to 16
Any plate；
21, board bottom is grown to not connecting reinforcing bar；22, board bottom short one end reinforcing bar to be connected；23, board bottom short both ends reinforcing bar to be connected；
24, plate top does not connect reinforcing bar；25, Ban Ding reinforcing bars to be connected；26, board bottom overlap joint reinforcing bar residence slot；27, plate top overlap joint reinforcing bar residence slot；28, plate
Bottom overlaps reinforcing bar；29, plate top overlaps reinforcing bar；
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 be a kind of through thickness after bury bar connecting formula concrete prefabricated board and its supporting system, prefabricated board branch
Hold and set a roof beam in place on 3 and the floor beam that forms of secondary beam 4 in 2, inside casing of being set a roof beam in place by outline border, wherein outline border set a roof beam in place 2 and inside casing set a roof beam in place and 3 support again
On frame column 1.
According to the deployment scenarios of floor beam, piecemeal is carried out to each plate area lattice that floor beam surrounds, piecemeal principle is：Root
According to the length (i.e. long span and short across) of plate area two vertical direction of lattice, not in short across direction segmentation, only long span direction is divided, point
Make the width of plate as big as possible to reduce piecemeal quantity under the premise of meeting existing transportation clearance limit value after cutting.Then, often
A piecemeal at least two areas opposite side Hui Yanban lattice shorts are shelved on floor beam.
Situation and steel are shelved according to the surrounding of each plate (alternatively referred to as precast slab or prefabricated board) separated
Muscle connection can generally have the plate of six kinds of different characteristics, be respectively：Both sides connection plate 11 is shelved on three sides, both sides are shelved
Three, which shelve three when connecting plate 12, three, shelves three when connecting plate first 13, three when connecting plate second 14, both sides shelving four
Connection plate 15, three connects plate 16 when shelving four.
The substantially planar shape of the various plates is rectangle, when the corner of some plate encounters frame column, the corner
Reserve a notch to match with frame post shapes；In conjunction with this case, three shelve three when shelving both sides and connecting plate 11, three
Three are shelved when connecting plate first 13, three, and the plates such as four sides connection plate 16 are shelved when connecting plate second 14, three close to frame
The corner of trestle 1 reserves a notch to match with 1 shape of frame column.
When some side of some plate is set a roof beam in place close to outline border, which need set aside on the outline border sets a roof beam in place, and shelve
Length is not less than the top surface width that outline border is set a roof beam in place.When some side of some plate is set a roof beam in place or when secondary beam, which need close to inside casing
Set aside to the inside casing set a roof beam in place or secondary beam on, and shelving length is advisable with 50~100mm.In conjunction with this case, two are shelved for three sides
Plate 12, three is connected when connecting plate 11, both sides and shelving three connect plate first 13, three when shelving three connected when shelving three
Plate second 14, it is each there are one or two sides set a roof beam in place 2 close to outline border, these sides need set aside to corresponding outline border and set a roof beam in place on 2, and put
Set length not less than outline border set a roof beam in place 2 top surface width；For all plates, it is each there are one or two or three sides close to inner frame
Beam 3 or secondary beam 4, these sides need set aside to the inside casing and set a roof beam in place on 3 or secondary beam 4, and shelving length is advisable with 50~100mm.
Plate stitch 18 in the hanging plate stitch 17 or beam of 50~100mm wide need be reserved between arbitrary two adjacent plate；With frame
The adjacent plate of column 1 need also reserve the column week plate stitch 19 of 50~100mm wide between corner notches and frame column 1.
Steel bar stress and distributing bar must be configured in each plate according to existing design method.Wherein, each plate plate
Bottom must configure orthogonal in length and breadth and distinguish isometric steel bar stress with plate both direction, including board bottom grow to do not connect reinforcing bar 21,
Board bottom short one end reinforcing bar 22 to be connected and board bottom short both ends reinforcing bar 23 to be connected；The side on all kinds of beams is shelved in each plate
Plate top must configure the steel bar stress perpendicular to the side, including plate top does not connect reinforcing bar 24 and Ban Ding reinforcing bars 25 to be connected, length from
The side originates, and extends inwardly to the length required by technical specification；In order to easy to connect, board bottom short one end 22 He of reinforcing bar to be connected
Board bottom short both ends reinforcing bar 23 to be connected only be dispensed along plate grow to central section, and both ends along plate grow to plate top not
It need not even be arranged in reinforcing bar 24 and Ban Ding 25 drop shadow spreads of reinforcing bar to be connected.
Board bottom need be connected along the steel bar stress of plate short in one end of non-close all kinds of beams in assembly is constructed
It connects；The steel bar stress on plate roof pendant directly each side, except be shelved on outline border set a roof beam in place on side, other it is each while place with while vertical plate top by
Power reinforcing bar need also be connected in assembly is constructed.In conjunction with this case, board bottom short one end reinforcing bar 22 to be connected and board bottom short two
Reinforcing bar 23 to be connected is held, in one end of non-close all kinds of floor beams, need be connected in assembly is constructed；Plate top reinforcing bar 25 to be connected
Close to inside casing set a roof beam in place 3 or secondary beam 4 one end also need assembly construct in connected.
The connection of reinforcing bar is attached using the board bottom overlap joint reinforcing bar 28 and plate top overlap joint reinforcing bar 29 additionally configured.For this purpose,
Beside the reinforcing bar that need be connected in each plate, a board bottom overlap joint reinforcing bar residence slot 26 or plate top overlap joint reinforcing bar residence slot are reserved
27, residence slot is in totally cuboid, is recessed downwards from plate upper table, two side be partially formed columnar projections from top to bottom and
Groove；Residence slot length is not less than the lapped length of steel bar that is calculated according to technical specification, and width takes 50mm or so, depth with wait for Lian Gang
Muscle root edge is the same as deep.Overlap reinforcing bar tensile capacity be not less than reinforcing bar connect, length be equal to both sides overlap joint reinforcing bar residence slot total length and
The sum of lap-joint's plate stitch width, resting position are in bottom in residence slot and abut reinforcing bar side to be connected.
High-strength microlith expansive concrete or high-strength expansive mortar are filled in all kinds of plate stitch and overlap joint reinforcing bar residence slot.
The present invention solves existing wallboard class splicing prefabricated components surrounding and goes out prefabricated components side mould complexity, the production that rib tape is come
The problems such as inefficiency, transporting and hoisting operating difficulties；It solves existing precast assembly prefabricated board overlapping and pours the scene brought greatly
It measures wet construction problem and decorative layer construction problem can not be completed in pre-fabricated factory；It solves existing precast assembly panel structure to fill
The construction quality and inefficiency problem that slurry sleeve connection is brought.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. burying bar connecting formula concrete prefabricated board after a kind of through thickness, it is characterised in that：The prefabricated board is to the youthful and the elderly to both ends
For being shelved on beam；Orthogonal bottom reinforcement bars, long length and prefabricated board to bottom reinforcement bars are arranged in the bottom of prefabricated board
Length it is consistent to length, the length of short bottom reinforcement bars is consistent with the short length of prefabricated board；It is shelved on beam in prefabricated board
End top arranges that top rebars, top rebars extend internally by prefabricated board side, long being shorter in length than to top rebars
The length of prefabricated board is to length, the short length for being shorter in length than prefabricated board of short top rebars；For needing overlapped reinforcing bar, with
The reinforcing bar waits for that lap segment is side, and the overlap joint reinforcing bar of cuboid or class cuboid is inwardly opened up in the top down of prefabricated board, side
Residence slot.
2. burying bar connecting formula concrete prefabricated board after through thickness according to claim 1, it is characterised in that：The short
Bottom reinforcement bars are arranged in both sides and grow region between top rebars.
3. burying bar connecting formula concrete prefabricated board after through thickness according to claim 1, it is characterised in that：The overlap joint
Reinforcing bar residence slot length is not less than the overlap joint reinforcing bar length of code requirement, and overlap joint reinforcing bar is resided well width within the scope of 40~60mm, taken
It is identical as reinforcing bar depth to be overlapped to connect reinforcing bar residence groove depth.
4. burying bar connecting formula concrete prefabricated board after through thickness according to claim 1, it is characterised in that：When this is prefabricated
When the corner of plate encounters frame column, matching notch is reserved in the corner.
5. burying the connection method of bar connecting formula concrete prefabricated board after a kind of through thickness described in claim 1, feature exists
In：Include the following steps：
(1) prefabricated board is placed on beam, plate stitch spacing, prefabricated board and frame column link position is reserved between adjacent two prefabricated board
Reserve column week plate stitch spacing；
(2) it places bottom in the overlap joint reinforcing bar residence slot of bottom and overlaps reinforcing bar, overlapped at the top of top overlaps and placed in reinforcing bar residence slot
Reinforcing bar；
(3) it pours material after being poured in plate stitch, column week plate stitch, overlap joint reinforcing bar residence slot and maintains.
6. connection method according to claim 5, it is characterised in that：In the step (1) width of plate stitch be 50~
100mm, column week plate stitch width be 50~100mm.
7. connection method according to claim 5, it is characterised in that：The depth of all bottom overlap joint reinforcing bar residence slots is consistent,
The depth of all top overlap joint reinforcing bar residence slots is consistent.
8. connection method according to claim 5, it is characterised in that：The both ends of the bottom overlap joint reinforcing bar are individually positioned in
In the corresponding bottom overlap joint reinforcing bar residence slot of two pieces of prefabricated boards, the both ends of top overlap joint reinforcing bar are individually positioned in two pieces of prefabricated boards and correspond to
Top overlap joint reinforcing bar residence slot in.
9. connection method according to claim 5, it is characterised in that：The length of the overlap joint reinforcing bar is equal to be placed in two
A overlap joint reinforcing bar residence the sum of slot length and plate stitch width.
10. connection method according to claim 5, it is characterised in that：It is height that material is poured after being poured in the step (3)
Strong microlith expansive concrete or high-strength expansive mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474395.7A CN108412099A (en) | 2018-05-17 | 2018-05-17 | Bar connecting formula concrete prefabricated board and connection method are buried after through thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474395.7A CN108412099A (en) | 2018-05-17 | 2018-05-17 | Bar connecting formula concrete prefabricated board and connection method are buried after through thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412099A true CN108412099A (en) | 2018-08-17 |
Family
ID=63139944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474395.7A Pending CN108412099A (en) | 2018-05-17 | 2018-05-17 | Bar connecting formula concrete prefabricated board and connection method are buried after through thickness |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101628A (en) * | 2020-01-02 | 2020-05-05 | 中国矿业大学 | FRP sheet material connecting structure and method for precast concrete beam plate system |
| CN111101629A (en) * | 2020-01-02 | 2020-05-05 | 中国矿业大学 | Cantilever platform-FRP sheet material connecting structure and method for precast concrete beam plate system |
| CN111734029A (en) * | 2020-06-23 | 2020-10-02 | 李伟峰 | Processing method of precast slab notch structure of precast integral-cast floor system at convex corner column position |
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| CN107386508A (en) * | 2017-07-01 | 2017-11-24 | 清华大学 | The prefabricated board piece connecting structure and construction method of a kind of two-way concrete folding plate |
| CN206769150U (en) * | 2017-05-26 | 2017-12-19 | 天津大学建筑设计研究院 | After pour teeth groove and be linked and packed formula building roof system |
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| JP2013060768A (en) * | 2011-09-14 | 2013-04-04 | Toyota T & S Kensetsu Kk | Precast concrete floor slab and design method thereof |
| KR20130040652A (en) * | 2011-10-14 | 2013-04-24 | 이석 | Precast concrete frame and its construction method for buildings using precast concrete slab continued by post tensioning |
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| CN111101628A (en) * | 2020-01-02 | 2020-05-05 | 中国矿业大学 | FRP sheet material connecting structure and method for precast concrete beam plate system |
| CN111101629A (en) * | 2020-01-02 | 2020-05-05 | 中国矿业大学 | Cantilever platform-FRP sheet material connecting structure and method for precast concrete beam plate system |
| CN111734029A (en) * | 2020-06-23 | 2020-10-02 | 李伟峰 | Processing method of precast slab notch structure of precast integral-cast floor system at convex corner column position |
| CN111734029B (en) * | 2020-06-23 | 2022-03-15 | 李伟峰 | Processing method of precast slab notch structure of precast integral-cast floor system at convex corner column position |
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Application publication date: 20180817 |