CN207863249U - A kind of precast concrete one-way slabs and laminated floor slab composite structure - Google Patents
A kind of precast concrete one-way slabs and laminated floor slab composite structure Download PDFInfo
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- CN207863249U CN207863249U CN201721653509.1U CN201721653509U CN207863249U CN 207863249 U CN207863249 U CN 207863249U CN 201721653509 U CN201721653509 U CN 201721653509U CN 207863249 U CN207863249 U CN 207863249U
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- concrete
- precast concrete
- way slabs
- connection
- precast
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Abstract
The utility model is related to prefabricated assembled concrete structural construction field, specially a kind of precast concrete one-way slabs and laminated floor slab composite structure.The utility model is only applicable to the operating mode that floor is one-way slabs.The composite structure is one of following three kinds of structures：(1) structure that precast concrete one-way slabs is combined with laminated floor slab；(2) connection structure of precast concrete one-way slabs and laminated floor slab composite structure and side bar；(3) connection structure of precast concrete one-way slabs and laminated floor slab composite structure and central sill.Precast concrete one-way slabs is all made of in above structure, precast concrete one-way slabs is that formwork structure cast concrete is formed.The structure that the utility model passes through change full prefabricated board and superimposed sheet, then it is assemblied together full prefabricated board and superimposed sheet alternate combinations to form floor, this floor greatly reduces the dosage of cast-in-place concrete compared with superimposed sheet, compared with full prefabricated board, there is better globality.
Description
Technical field
The utility model is related to prefabricated assembled concrete structural construction field, specially a kind of precast concrete one-way slabs
With laminated floor slab composite structure, the utility model is only applicable to the operating mode that floor is one-way slabs.
Background technology
Prefabricated concrete structure has many advantages, such as that fast speed of application, energy conservation and environmental protection, on-site wet operation amount are small, exists in recent years
The country is grown rapidly.Floor is the important composition component of prefabricated concrete structure, at present in assembly concrete knot
In structure, the floor of use is generally superimposed sheet, i.e., half is prefabricated, half cast-in-place, although the wet construction amount of this floor is compared with cast-in-situ floor
Lack about half, but also very big.Before superimposed sheet, prefabricated concrete structure, using full prefabricated concrete floor, although
Cast-in-place amount is seldom, but because of globality poor, is gradually banned.
For this purpose, a kind of precast concrete one-way slabs of the utility model offer and laminated floor slab composite structure, complete by changing
Then the structure of prefabricated board and superimposed sheet is assemblied together full prefabricated board and superimposed sheet alternate combinations to form floor, this building
Plate greatly reduces the dosage of cast-in-place concrete compared with superimposed sheet, compared with full prefabricated board, has better globality.
Utility model content
The purpose of this utility model is to provide a kind of precast concrete one-way slabs and laminated floor slab composite structure, realize pre-
The connection of concrete one-way slabs and laminated floor slab processed realizes the connection of precast floor slab, laminated floor slab and beam, meets Practical Project and set
Meter construction needs.
The technical solution of the utility model：
A kind of precast concrete one-way slabs and laminated floor slab composite structure, the composite structure are one of following three kinds of structures：
(1) structure that precast concrete one-way slabs is combined with laminated floor slab；(2) precast concrete one-way slabs and laminated floor slab composite structure
With the connection structure of side bar；(3) connection structure of precast concrete one-way slabs and laminated floor slab composite structure and central sill；Above-mentioned knot
Precast concrete one-way slabs is all made of in structure, precast concrete one-way slabs is that formwork structure cast concrete is formed, concrete
The interior bottom of native one-way slabs is vertically equipped with longitudinal reinforcement and transverse steel；The L on the opposite end top of precast concrete one-way slabs
Horizontal arrangement negative reinforcement is distinguished in steel bar groove, one end of negative reinforcement extends in precast concrete one-way slabs, bears
The other end of moment at support extends to outside precast concrete one-way slabs；The other opposite sides central axes of precast concrete one-way slabs
Place, horizontal cross, which is worn, respectively extends laterally reinforcing bar；Wherein,
(1) structure that precast concrete one-way slabs is combined with laminated floor slab is as follows：
Two pieces of precast concrete one-way slabs are lifted into the both sides of concrete folding plate prefabricated panel, and two blocks of precast concretes
The reinforcing bar that extends laterally of one-way slabs is in the same horizontal position；Precast concrete one-way slabs and concrete folding plate prefabricated panel
Bottom surface is in close contact in the same horizontal position；Two pieces of precast concrete one-way slabs extend laterally reinforcing bar, folded positioned at concrete
The upper surface of plywood prefabricated panel；
The casting concrete in-situ layer on concrete folding plate prefabricated panel completes two pieces of precast concrete one-way slabs and band
Connection between the concrete folding plate prefabricated panel of shear key；
(2) precast concrete one-way slabs and the connection structure of laminated floor slab composite structure and side bar are as follows：
The pre-buried joint steel pipe in side bar, the length that joint steel pipe leaks out concrete are the unidirectional plate thickness of precast concrete
1/4, joint steel pipe is embedded in 1/2 that the depth in side bar is not less than the unidirectional plate thickness of precast concrete in advance；
Precast concrete one-way slabs and concrete folding plate prefabricated panel are lifted on side bar, precast concrete one-way slabs and
The lapping ends of concrete folding plate prefabricated panel will meet the requirement of existing concrete specification to the distance of side bar；In side bar
It is inserted into connection reinforcing bar in joint steel pipe and the reinforcing bar groove of precast concrete one-way slabs, connection bar connecting side bar and coagulation is used in combination
Native superimposed sheet prefabricated panel；
The casting concrete in-situ layer on the side bar and concrete folding plate prefabricated panel of above-mentioned connection, in precast concrete
Reinforcing bar groove in one-way slabs pours into grouting material, and concrete cast-in-situ layer passes through joint steel pipe and company with precast concrete one-way slabs
Bar connecting is connect into strong construction；
(3) precast concrete one-way slabs and the connection structure of laminated floor slab composite structure and central sill are as follows：
The pre-connection steel pipe in central sill, the length that joint steel pipe leaks out concrete are not less than the unidirectional plate thickness of precast concrete
Half；
Two pieces of precast concrete one-way slabs are lifted into the both sides of central sill with laminated floor slab composite structure, and precast concrete is unidirectional
The end face of plate and concrete folding plate prefabricated panel connects with central sill outer ledge line, the reinforcing bar groove of two blocks of precast concretes and
The end bottom of two block concrete superimposed sheet prefabricated panels is in the same horizontal position, in the joint steel pipe and concrete of central sill
It is put into connection reinforcing bar in the reinforcing bar groove of native one-way slabs, connection bar connecting central sill and concrete folding plate prefabricated panel is used in combination,
Complete precast concrete one-way slabs and laminated floor slab composite structure and central sill connection bar connecting；
The casting concrete in-situ layer on the central sill and two block concrete superimposed sheet prefabricated panels of above-mentioned connection, prefabricated mixed
Reinforcing bar groove in solidifying soil one-way slabs pours into grouting material, and concrete cast-in-situ layer passes through joint steel pipe with precast concrete one-way slabs
With connection bar connecting at strong construction.
The advantages of the utility model and advantageous effect are：
1, the utility model precast concrete one-way slabs and laminated floor slab composite structure, with assembly concrete superimposed sheet
Floor is compared, and the wet construction amount of poured in place concrete greatly reduces；On-site consolidation is simpler, and construction quality is easier to ensure that.
2, the utility model precast concrete one-way slabs and laminated floor slab composite structure, with full prefabricated concrete floor phase
Than globality is more preferable.
3, the utility model equally has assembly rate high, the assembleds such as energy conservation and environmental protection, the requirement for meeting Green Architectural Development
The advantages of concrete structure.
Description of the drawings
Fig. 1 is the graphics of steel template.
Fig. 2 is graphics of the steel bar arrangement in steel template.
Fig. 3 is the graphics that precast concrete one-way slabs completes.
Fig. 4 is the graphics that two pieces of precast concrete one-way slabs are connect with shear key superimposed sheet.
Fig. 5 is the graphics that two pieces of precast concrete one-way slabs connect completion with shear key superimposed sheet.
Fig. 6 is the graphics for the side bar for arranging joint steel pipe.
Fig. 7 is the graphics for connecting reinforcing bar.
Fig. 8 is that the precast concrete one-way slabs of arrangement connection reinforcing bar connect three-dimensional with side bar with laminated floor slab composite structure
Figure.
Fig. 9 is that graphics is completed in Fig. 8 assembly.
Figure 10 is the graphics for the central sill for arranging joint steel pipe.
Figure 11 is that two pieces of precast concrete one-way slabs of arrangement connection reinforcing bar are connect with laminated floor slab composite structure with central sill
Graphics.
Figure 12 is the graphics that Figure 11 assembly is completed.
In figure, 1, connection steel bolt；2, steel loop is connected；3, L-type template；4, upside steel form；5, downside steel form；6, it reserves
Hole；7, steel template；8, fixed steel bar；9, longitudinal reinforcement；10, transverse steel；11, reinforcing bar is extended laterally；12, reinforcing bar groove；
13, precast concrete one-way slabs；14, shear key；15, concrete folding plate prefabricated panel；16, concrete cast-in-situ layer；17, even
Connect steel pipe；18, side bar；19, negative reinforcement；20, grouting material；21, central sill；22, steel loop is connected.
Specific implementation mode
As shown in Fig. 1-Figure 12, the utility model precast concrete one-way slabs and laminated floor slab composite structure, making and dress
Method of completing the square is as follows：
1. the structure and production method of the precast concrete one-way slabs of the utility model are as follows：
As shown in Figure 1, the template of concrete one-way slabs is that the steel template opposite positioned at both sides is opposite with positioned at end
Steel template surrounds frame, and the steel template opposite positioned at both sides is made of upside steel form 4 and downside steel form 5, upside
Steel form 4 and downside steel form 5 connect integral, the opposite steel template in the both sides by connecting the insertion connection steel loop 2 of steel bolt 1
There is preformed hole 6 at central axes；One end of L-type template 3 is welded in the steel template 7 opposite positioned at end, is welded in L-type template 3
There are connection steel loop 22, fixed steel bar 8 to pass through the connection steel loop 22 in L-type template 3, form template.Wherein, the work of fixed steel bar 8
With being when preventing casting concrete, L-type template 3 moves downward.
As shown in Fig. 2, the arrangement of reinforcing bar：Bottom is vertically equipped with longitudinal reinforcement 9 in the frame that steel template 7 surrounds
With transverse steel 10, extends laterally reinforcing bar 11 and be horizontally through opposite preformed hole 6.
As shown in figure 3, casting concrete on the basis of Fig. 2 removes connection steel bolt after concrete reaches expected intensity
1, steel template 7 is removed, upside steel form 4 and downside steel form 5 are removed, completes the making of precast concrete one-way slabs 13.
Wherein, the thickness and arrangement of reinforcement of precast concrete one-way slabs 13 are determined according to practical engineering calculation, the formation of L-type template 3
The purpose of reinforcing bar groove 12, setting reinforcing bar groove 12 is to place the negative reinforcement 19 of connection, the depth of reinforcing bar groove 12
Diameter not less than negative reinforcement 19 adds thickness of concrete cover, the spacing of reinforcing bar groove 12 to be fixed as 200mm, practical
It, can be by adjusting the diameter of negative reinforcement 19, until meeting design requirement when the 19 demand difference of negative reinforcement at plate end.
2. the prefabricated panel structure and production method of the utility model superimposed sheet are the same as patent disclosed in inventor：Band shear key
Concrete folding plate floor, it is prefabricated construction and construction method (publication number CN102839773A).In addition, the company of the utility model
The method of connecing is equally applicable to the superimposed sheet of other forms.
3. as shown in Fig. 4 to Figure 12, precast concrete one-way slabs 13 and laminated floor slab composite structure, making and assembly method
Main includes three kinds：
(1) as shown in fig. 4-5, precast concrete one-way slabs is combined with laminated floor slab structure, production method are as follows：
(1) as shown in figure 4, two pieces of precast concrete one-way slabs 13 are lifted into concrete folding plate prefabricated panel 15
Both sides, and the reinforcing bar 11 that extends laterally of two pieces of precast concrete one-way slabs 13 is in the same horizontal position；Precast concrete is unidirectional
The bottom surface of plate 13 and concrete folding plate prefabricated panel 15 is in close contact in the same horizontal position；Two pieces of precast concrete lists
Reinforcing bar 11 is extended laterally to plate 13, is located at the upper surface of concrete folding plate prefabricated panel 15.
(2) as shown in figure 5, on concrete folding plate prefabricated panel 15 casting concrete in-situ layer 16, wait for in-situ layer 16
After reaching expected intensity, two pieces of precast concrete one-way slabs 13 and the concrete folding plate prefabricated panel 15 with shear key 14 are completed
Between connection.
(2) as shown in Fig. 6-Fig. 9, the connection of precast concrete one-way slabs and laminated floor slab composite structure and side bar 18,
Connection structure and method is as follows：
(1) as shown in fig. 6, side bar 18 is when making, the pre-buried joint steel pipe 17 in side bar 18, joint steel pipe 17 leaks out
The length of concrete is the 1/4 of 13 thickness of precast concrete one-way slabs, and the depth that joint steel pipe 17 is embedded in advance in side bar 18 is not small
In the 1/2 of 13 thickness of precast concrete one-way slabs.
(2) as shown in Figs. 7-8, precast concrete one-way slabs 13 and concrete folding plate prefabricated panel 15 are lifted into side
On beam 18, the distance of lapping ends to the side bar 18 of precast concrete one-way slabs 13 and concrete folding plate prefabricated panel 15 will accord with
Close the requirement of existing concrete specification；In the joint steel pipe 17 of side bar 18 and the reinforcing bar groove 12 of precast concrete one-way slabs 13
It is inserted into connection reinforcing bar 19, connection reinforcing bar 19 is used in combination to connect side bar 18 and concrete folding plate prefabricated panel 15.
(3) as shown in figure 9, casting concrete is existing on the side bar 18 and concrete folding plate prefabricated panel 15 of above-mentioned connection
Layer 16 is poured, after concrete reaches expected intensity, grouting material is poured at the reinforcing bar groove 12 in precast concrete one-way slabs 13
20, concrete cast-in-situ layer 16 and precast concrete one-way slabs 13 are by joint steel pipe 17 and connect reinforcing bar 19 and connect into secured knot
Structure.
(3) as shown in Figure 10-Figure 12, the company of precast concrete one-way slabs and laminated floor slab composite structure and central sill 21
It connects, connection structure and method is as follows：
(1) as shown in Figure 10, central sill 21 is when making, the pre-connection steel pipe 17 in central sill 21, and joint steel pipe 17 leaks out mixed
The length for coagulating soil is not less than the half of 13 thickness of precast concrete one-way slabs.
(2) as shown in figure 11, two pieces of precast concrete one-way slabs and laminated floor slab composite structure are lifted into central sill 21
The end face of both sides, precast concrete one-way slabs 13 and concrete folding plate prefabricated panel 15 connects with 21 outer ledge line of central sill,
The reinforcing bar groove 12 of two blocks of precast concretes and the end bottom of two block concrete superimposed sheet prefabricated panels 15 are in same level
Position is put into connection reinforcing bar 19 in the joint steel pipe 17 of central sill 21 and the reinforcing bar groove 12 of precast concrete one-way slabs 13, and
Central sill 21 and concrete folding plate prefabricated panel 15 are connected with connection reinforcing bar 19, completes precast concrete one-way slabs and overlapping building
Board combining structure and central sill 21 are connected with connection reinforcing bar 19.
(3) as shown in figure 12, it is poured on the central sill 21 of above-mentioned connection and two block concrete superimposed sheet prefabricated panels 15 mixed
Solidifying soil in-situ layer 16 pours into after concrete reaches expected intensity at the reinforcing bar groove 12 in precast concrete one-way slabs 13
Grouting material 20, concrete cast-in-situ layer 16 and precast concrete one-way slabs 13 are by joint steel pipe 17 and connect reinforcing bar 19 and connect into
Strong construction.
Embodiment the result shows that, the characteristics of the utility model, is as follows：1. precast concrete one-way slabs uses steel template, system
Make more environmentally friendly, conveniently；2. using extending laterally bar connecting in precast concrete one-way slabs and laminated floor slab composite structure, scene
Speed of application is fast, and precast concrete one-way slabs and superimposed sheet are connected firmly；3. precast concrete one-way slabs end is adopted with side bar
With connection bar connecting, convenient and quick construction, precast concrete one-way slabs end and side bar firm and reliable connection；4. due to using
The prefabricated mode with cast-in-place combination reduces the wet construction amount at scene, ensure that the globality of structure, eliminate field fabrication mould
Plate, energy conservation and environmental protection accord with the demand for development of green building, and the utility model has prodigious application space.
Claims (1)
1. a kind of precast concrete one-way slabs and laminated floor slab composite structure, which is characterized in that the composite structure is following three kinds
One of structure：(1) structure that precast concrete one-way slabs is combined with laminated floor slab；(2) precast concrete one-way slabs and overlapping building
The connection structure of board combining structure and side bar；(3) connection of precast concrete one-way slabs and laminated floor slab composite structure and central sill
Structure；Precast concrete one-way slabs is all made of in above structure, precast concrete one-way slabs is that formwork structure pours into a mould concrete shape
At the interior bottom of precast concrete one-way slabs is vertically equipped with longitudinal reinforcement and transverse steel；Precast concrete one-way slabs it is opposite
Horizontal arrangement negative reinforcement is distinguished in the L-type steel muscle groove on both ends top, one end of negative reinforcement extends to precast concrete
In one-way slabs, the other end of negative reinforcement extends to outside precast concrete one-way slabs；Precast concrete one-way slabs it is other opposite
At the central axes of both sides, horizontal cross, which is worn, respectively extends laterally reinforcing bar；Wherein,
(1) structure that precast concrete one-way slabs is combined with laminated floor slab is as follows：
Two pieces of precast concrete one-way slabs are lifted into the both sides of concrete folding plate prefabricated panel, and two blocks of precast concretes are unidirectional
The reinforcing bar that extends laterally of plate is in the same horizontal position；The bottom surface of precast concrete one-way slabs and concrete folding plate prefabricated panel
In the same horizontal position, and it is in close contact；Two pieces of precast concrete one-way slabs extend laterally reinforcing bar, are located at concrete folding plate
The upper surface of prefabricated panel；
The casting concrete in-situ layer on concrete folding plate prefabricated panel completes two pieces of precast concrete one-way slabs and with shearing resistance
Connection between the concrete folding plate prefabricated panel of key；
(2) precast concrete one-way slabs and the connection structure of laminated floor slab composite structure and side bar are as follows：
The pre-buried joint steel pipe in side bar, the length that joint steel pipe leaks out concrete are the 1/4 of the unidirectional plate thickness of precast concrete,
Joint steel pipe is embedded in 1/2 that the depth in side bar is not less than the unidirectional plate thickness of precast concrete in advance；
Precast concrete one-way slabs and concrete folding plate prefabricated panel are lifted on side bar, precast concrete one-way slabs and coagulation
The lapping ends of native superimposed sheet prefabricated panel will meet the requirement of existing concrete specification to the distance of side bar；In the connection of side bar
It is inserted into connection reinforcing bar in steel pipe and the reinforcing bar groove of precast concrete one-way slabs, is used in combination connection bar connecting side bar folded with concrete
Plywood prefabricated panel；
The casting concrete in-situ layer on the side bar and concrete folding plate prefabricated panel of above-mentioned connection, it is unidirectional in precast concrete
Reinforcing bar groove on plate pours into grouting material, and concrete cast-in-situ layer by joint steel pipe and connect steel with precast concrete one-way slabs
Muscle connects into strong construction；
(3) precast concrete one-way slabs and the connection structure of laminated floor slab composite structure and central sill are as follows：
The pre-connection steel pipe in central sill, the length that joint steel pipe leaks out concrete are not less than the one of the unidirectional plate thickness of precast concrete
Half；
Two pieces of precast concrete one-way slabs are lifted into the both sides of central sill with laminated floor slab composite structure, precast concrete one-way slabs and
The end face of concrete folding plate prefabricated panel connects with central sill outer ledge line, the reinforcing bar groove of two blocks of precast concretes and two pieces
The end bottom of concrete folding plate prefabricated panel is in the same horizontal position, in the joint steel pipe and precast concrete list of central sill
It is put into connection reinforcing bar into the reinforcing bar groove of plate, connection bar connecting central sill and concrete folding plate prefabricated panel is used in combination, is completed
Precast concrete one-way slabs and laminated floor slab composite structure and central sill connection bar connecting；
The casting concrete in-situ layer on the central sill and two block concrete superimposed sheet prefabricated panels of above-mentioned connection, in precast concrete
Reinforcing bar groove in one-way slabs pours into grouting material, and concrete cast-in-situ layer passes through joint steel pipe and company with precast concrete one-way slabs
Bar connecting is connect into strong construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653509.1U CN207863249U (en) | 2017-12-01 | 2017-12-01 | A kind of precast concrete one-way slabs and laminated floor slab composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653509.1U CN207863249U (en) | 2017-12-01 | 2017-12-01 | A kind of precast concrete one-way slabs and laminated floor slab composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207863249U true CN207863249U (en) | 2018-09-14 |
Family
ID=63468155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721653509.1U Expired - Fee Related CN207863249U (en) | 2017-12-01 | 2017-12-01 | A kind of precast concrete one-way slabs and laminated floor slab composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207863249U (en) |
-
2017
- 2017-12-01 CN CN201721653509.1U patent/CN207863249U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20191201 |