CN207525960U - Easy connect band shear key reinforced concrete slab structure - Google Patents
Easy connect band shear key reinforced concrete slab structure Download PDFInfo
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- CN207525960U CN207525960U CN201721303294.0U CN201721303294U CN207525960U CN 207525960 U CN207525960 U CN 207525960U CN 201721303294 U CN201721303294 U CN 201721303294U CN 207525960 U CN207525960 U CN 207525960U
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- bottom plate
- shear key
- precast concrete
- concrete
- concrete bottom
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Abstract
The utility model is related to prefabricated assembled concrete structural construction field, specially a kind of easy connect band shear key reinforced concrete slab structure.The structure includes：Shear key, precast concrete bottom plate, concrete cast-in-situ layer, the adjacent side docking of precast concrete bottom plate, each precast concrete bottom plate upper top setting shear key and concrete cast-in-situ layer.The easy connect band shear key reinforced concrete slab structure of the utility model, the inclined-plane that two sides of the former improved precast concrete bottom plate with shear key concrete folding plate floor have certain angle of inclination is changed to T-steel, pass through T-steel structure power transmission, therefore it makes simpler, Path of Force Transfer is simpler clear and definite, and power transmission is more reliable.The utility model realizes easy connect band shear key concrete folding plate floor and beam connection, easily connect with shear key reinforced concrete slab and easily connect with the connection between shear key reinforced concrete slab, meet actual engineering design construction needs.
Description
Technical field
The utility model is related to prefabricated assembled concrete structural construction field, specially a kind of easy connect band shear key mixes
Solidifying soil laminated floor slab structure, particularly improved band shear key concrete folding plate floor construction is using T-steel and U-shaped connection steel
The structure of muscle connection.
Background technology
At present, in practical set formula concrete construction, floor it is commonly used be that self-bearing type steel bar girder concrete is folded
Plywood, this kind of superimposed sheet have the shortcomings that floor is thicker, project cost is high, in order to solve this problem, previous in invention,
" the concrete folding plate floor with shear key, prefabricated construction and construction method (publication number CN102839773A) ", but in the hair
In bright, be not directed to the reinforced concrete slab with shear key how to be connect with beam, reinforced concrete slab and band with shear key
How to be connected between the reinforced concrete slab of shear key.
To solve the above-mentioned problems, previous in invention, " the improved concrete folding plate floor construction with shear key
And connection method (publication number CN104727475A) ", this kind of structure and connection method, main or setting using armored concrete
Thought is counted, it is slightly complicated to make construction.For this purpose, the utility model proposes easy connect band shear key reinforced concrete slab structure and
Connection method can preferably realize the power transmission of pressure and shearing between each prefabricated components, have making more convenient, power transmission more may be used
Lean on, on-site consolidation it is simpler, the advantages that construction quality is easier to ensure that.
Utility model content
The purpose of this utility model provides a kind of easy connect band shear key reinforced concrete slab structure, realizes easy connect band
Shear key concrete folding plate floor connect with beam, easily connect with shear key reinforced concrete slab and the band shearing resistance that easily connect
Connection between key reinforced concrete slab meets actual engineering design construction needs.
The technical solution of the utility model：
A kind of easy connect band shear key reinforced concrete slab structure, the structure include：Shear key, precast concrete bottom
Plate, concrete cast-in-situ layer, the adjacent side docking of precast concrete bottom plate, each precast concrete bottom plate upper top set shearing resistance
Key and concrete cast-in-situ layer；Wherein, the structure of precast concrete bottom plate is as follows：
Four sides of precast concrete bottom plate are T-steels, and T-steel carries edge of a wing preformed hole and web preformed hole；Pre-
The plate bottom of concrete floor processed is equipped with precast concrete bottom plate longitudinal reinforcement and precast concrete bottom plate transverse steel, prefabricated mixed
Solidifying soil bottom plate longitudinal reinforcement and precast concrete bottom plate transverse steel are each passed through edge of a wing preformed hole, and be welded to edge of a wing preformed hole
On.
The easy connect band shear key reinforced concrete slab structure, the thickness of precast concrete bottom plate and T-steel
The edge of a wing is highly consistent, and the half of plate thickness is overlapped for actual design.
The advantages of the utility model and advantageous effect are：
1st, the easy connect band shear key reinforced concrete slab structure of the utility model and connection method, with former improved band
Shear key concrete folding plate floor construction is compared：By the former improved precast concrete with shear key concrete folding plate floor
The inclined-plane that two sides of bottom plate have certain angle of inclination is changed to T-steel, by T-steel structure power transmission, therefore makes simpler
Single, Path of Force Transfer is simpler clear and definite, and power transmission is more reliable.
2nd, the easy connect band shear key reinforced concrete slab structure of the utility model and connection method, by concrete
Place U-shaped connection reinforcing bar in the preformed hole of the T-steel setting of native bottom plate both sides, realize reinforcement moment of flexure generate tensile stress etc.
Effect is transmitted；Bar connecting is connect with plate by pvc pipe pre-buried in beam and using side bar, realizes that precast concrete bottom plate plate end exists
Fixation on side bar；By plate top U-shaped steel muscle at the arranging plate bottom U-shaped steel muscle in the preformed hole of connection and setting central sill, realize
The transmission of central sill both sides superimposed sheet moment of flexure.On-site consolidation is simpler, and construction quality is easier to ensure that.
3rd, the utility model equally has situ wet operation few, and assembly rate height, energy conservation and environmental protection meets Green Architectural Development
It is required that etc. prefabricated concrete structures the advantages of.
Description of the drawings
Fig. 1 is the U-shaped connection reinforcing bar graphics in plate bottom.
Fig. 2 is the graphics of T-steel.
Fig. 3 is the graphics of shear key.
Fig. 4 be arrange shear key, T-shaped angle steel precast concrete bottom plate graphics.
Fig. 5 is the graphics that precast concrete bottom plate completes.
Fig. 6 is to connect two pieces of precast concrete bottom plate graphics that steel bar arrangement is completed.
Fig. 7 is the sectional view of Fig. 6.
Fig. 8 is the graphics that two pieces of precast concrete bottom plate connections are completed.
Fig. 9 is that two pieces of precast concrete bottom plates of arrangement connection reinforcing bar connect graphics with central sill.
Figure 10 is that Fig. 9 pours the graphics that cast-in-place layer concrete is completed.
Figure 11 is the graphics that side bar connect reinforcing bar with plate.
Figure 12 is the side bar graphics of internal pre-buried pvc pipe.
Figure 13 is the steel bar arrangement graphics of side bar.
Figure 14 is the graphics that the precast concrete bottom plate of installation connection reinforcing bar is connect with side bar.
Figure 15 is that precast slab connect the graphics completed with side bar.
In figure, the U-shaped connection reinforcing bar in 1 plate bottom；2nd, T-steel；3 edge of a wing preformed holes；4 web preformed holes；5 shear keies；6 is prefabricated mixed
Solidifying soil bottom surface template；7 precast concrete bottom plate longitudinal reinforcements；8 precast concrete bottom plate transverse steels；9 concrete prefabricated layers；10
The U-shaped connection reinforcing bar in plate top；11 concrete cast-in-situ layers；12 microdilatancy mortars；13 central sills；14th, pvc pipe；15 side bars connect steel with plate
Muscle；16 side bars；17 grouting materials；18 side bar Reinforcements.
Specific embodiment
As shown in Fig. 1-Figure 15, the easy connect band shear key reinforced concrete slab structure of the utility model mainly includes resisting
Cut key 5 (Fig. 3), precast concrete bottom plate (Fig. 5), concrete cast-in-situ layer 11 (Figure 10), the adjacent side of precast concrete bottom plate
Docking, each precast concrete bottom plate upper top setting shear key 5 and concrete cast-in-situ layer 11.Wherein, precast concrete bottom plate
Structure and manufacturing process it is as follows：
As Figure 1-Figure 5, the utility model is equipped with shear key 5 on precast concrete bottom plate, according in Practical Project,
Shear key 5 needs the shearing born and pulling force to determine the distribution of shear key 5.Four sides of precast concrete bottom plate are T-steels
2, T-steel 2 carries edge of a wing preformed hole 3 and web preformed hole 4.Precast concrete bottom is equipped on the plate bottom of precast concrete bottom plate
Plate longitudinal reinforcement 7 and precast concrete bottom plate transverse steel 8, precast concrete bottom plate longitudinal reinforcement 7 and precast concrete bottom plate
Transverse steel 8 is each passed through edge of a wing preformed hole 3, and is welded on edge of a wing preformed hole 3.During construction, with four T-steels 2 and prefabricated
Concrete bottom face die plate 6 is template casting concrete preformed layer 9, and precast concrete bottom plate is made.
The thickness of precast concrete bottom plate and the edge of a wing of T-steel 2 are highly consistent, and the one of plate thickness is overlapped for actual design
Half.The T-steel edge of a wing and the thickness of web, the length of web, the pulling force that can be undertaken according to this are not less than the U-shaped connection reinforcing bar in plate bottom
1 pulling force that can undertake calculates the shape and size for determining shear key, and same patent is " the concrete folding plate floor of shear key, prefabricated
Construction and construction method (CN102839773A) " and " the improved concrete folding plate floor construction with shear key and connection side
Method (CN104727475A) ".
As shown in figure 1 to figure 13, splicing construction and spelling of the easy connect band shear key concrete folding plate in engineering structure
It connects method and mainly includes three kinds：
(1) as Figure 6-Figure 8, easy connect band shear key reinforced concrete slab and easy connect band shear key concrete
Connection between laminated floor slab, connection structure and method are as follows：
(1) as shown in fig. 6, two pieces of precast concrete bottom plates are lifted into precalculated position, precast concrete bottom plate it is adjacent
Side is docked, and after docking, the web of T-steel 2 is in close contact in the same horizontal position；By the U-shaped connection reinforcing bar 1 in plate bottom from T-shaped
The web bottom of steel 2 passes through web preformed hole 4, two pieces of precast concrete bottom plates is closely connected, on the top of precast concrete bottom plate
The U-shaped connection reinforcing bar 10 in face installation plate top.
(2) as shown in fig. 7, on two pieces of precast slabs of above-mentioned connection casting concrete in-situ layer 11, concrete
In-situ layer 11 connects into strong construction with precast concrete bottom plate by the U-shaped connection reinforcing bar 10 of shear key 5 and plate top.
(3) as shown in figure 8, at the adjacent side docking of two pieces of precast concrete bottom plates, the bottom surface of the web of T-steel 2
Microdilatancy mortar 12 is smeared, completes easy connect band shear key reinforced concrete slab and easy connect band shear key reinforced concrete slab
Between connection.
Such connection method is equally applicable to precast concrete bottom plate end face and the docking connection of precast concrete bottom plate end face
Situation.
(2) as shown in Fig. 9-Figure 10, the connection of easy connect band shear key reinforced concrete slab and central sill 13, connection
Structures and methods are as follows：
(1) as shown in figure 9, two pieces of precast concrete bottom plates are lifted into 13 both sides of central sill, two pieces of precast concrete bottom plates
Side bottom connect with beam outer ledge line, the web of the T-steel 2 of two pieces of precast concrete bottom plates in the same horizontal position,
And there is one section of horizontal distance in centre；The U-shaped connection reinforcing bar 1 in plate bottom is passed through into web preformed hole 4 at the top of the web of T-steel 2, tightly
Two pieces of precast concrete bottom plates of close connection, in the U-shaped connection reinforcing bar 10 in the top surface installation plate top of precast concrete bottom plate.
(2) as shown in Figure 10, casting concrete in-situ layer 11, concrete on two pieces of precast slabs of above-mentioned connection
In-situ layer 11 connects into strong construction with precast concrete bottom plate by the U-shaped connection reinforcing bar 10 of shear key 5 and plate top.
Such connection method is equally applicable to the situation that precast concrete bottom plate end face is connected with central sill.
(3) as shown in Figure 11-Figure 15, the connection of easy connect band shear key reinforced concrete slab and side bar 16, connection
Structures and methods are as follows：
(1) as shown in figures 11-13, side bar is when making, 18 outside casting concrete of side bar Reinforcement, on side
The pre-buried pvc pipe 14 in longitudinal direction in beam 16, pvc pipe 14 in 18 inside of side bar Reinforcement, the diameter of pvc pipe 14 be more than side bar with
15 diameter 5mm of plate connection reinforcing bar；
(2) as shown in Figure 11, Figure 14, precast concrete bottom plate is lifted on side bar, the end of precast concrete bottom plate
The distance snapped into side bar 16 is more than 100mm；The both ends that side bar is connect to reinforcing bar 15 with plate are inserted respectively into the abdomen of T-steel 2
In plate preformed hole 4 and pvc pipe 14, the perfusion grouting material 17 in pvc pipe 14 completes side bar and reinforcing bar 15 and side bar 16 is connect with plate
Connection.
(3) as shown in figure 15, casting concrete in-situ layer 11, concrete cast-in-situ on the precast slab of above-mentioned connection
Layer 11 connect reinforcing bar 15 with plate by shear key and side bar with precast concrete bottom plate and connects into strong construction.
Embodiment the result shows that, the utility model：1. the surrounding setting T-steel connector of precast concrete bottom plate, prefabricated
Concrete floor it is firmer, and save the template of side when making precast concrete bottom plate, make more convenient；It is 2. prefabricated mixed
By being interspersed in the U-shaped connection bar connecting of shaped steel between solidifying soil bottom plate, site operation speed is fast, and the power transmission of plate bottom sagging moment can
It leans on, being connected firmly between precast concrete bottom plate；3. precast concrete bottom end connect reinforcing bar using side bar with side bar with plate
Connection, convenient and quick construction, precast concrete bottom end and side bar firm and reliable connection；4. due to using prefabricated and cast-in-place knot
The mode of conjunction reduces live wet construction amount, ensures the globality of structure, saves the template of field operation, energy conservation and environmental protection, Fu Lv
The demand for development of color building.The utility model has very big application space.
Claims (2)
1. a kind of easy connect band shear key reinforced concrete slab structure, which is characterized in that the structure includes：It is shear key, prefabricated
Concrete floor, concrete cast-in-situ layer, the adjacent side docking of precast concrete bottom plate, each precast concrete bottom plate upper top
Shear key and concrete cast-in-situ layer are set；Wherein, the structure of precast concrete bottom plate is as follows：
Four sides of precast concrete bottom plate are T-steels, and T-steel carries edge of a wing preformed hole and web preformed hole；Prefabricated mixed
The plate bottom of solidifying soil bottom plate is equipped with precast concrete bottom plate longitudinal reinforcement and precast concrete bottom plate transverse steel, precast concrete
Bottom plate longitudinal reinforcement and precast concrete bottom plate transverse steel are each passed through edge of a wing preformed hole, and be welded on the preformed hole of the edge of a wing.
2. easy connect band shear key reinforced concrete slab structure described in accordance with the claim 1, which is characterized in that concrete
The thickness of native bottom plate and the edge of a wing of T-steel are highly consistent, and the half of plate thickness is overlapped for actual design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721303294.0U CN207525960U (en) | 2017-09-30 | 2017-09-30 | Easy connect band shear key reinforced concrete slab structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721303294.0U CN207525960U (en) | 2017-09-30 | 2017-09-30 | Easy connect band shear key reinforced concrete slab structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207525960U true CN207525960U (en) | 2018-06-22 |
Family
ID=62569472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721303294.0U Expired - Fee Related CN207525960U (en) | 2017-09-30 | 2017-09-30 | Easy connect band shear key reinforced concrete slab structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207525960U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700728A (en) * | 2017-09-30 | 2018-02-16 | 沈阳建筑大学 | Easy connect band shear key reinforced concrete slab structure and connection method |
| CN112360028A (en) * | 2020-11-18 | 2021-02-12 | 天津大学建筑设计规划研究总院有限公司 | Steel grating support-free superposed dense rib plate |
-
2017
- 2017-09-30 CN CN201721303294.0U patent/CN207525960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700728A (en) * | 2017-09-30 | 2018-02-16 | 沈阳建筑大学 | Easy connect band shear key reinforced concrete slab structure and connection method |
| CN112360028A (en) * | 2020-11-18 | 2021-02-12 | 天津大学建筑设计规划研究总院有限公司 | Steel grating support-free superposed dense rib plate |
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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: 20180622 Termination date: 20180930 |