CN207525962U - Side hangs reinforcing bar band shear key reinforced concrete slab structure - Google Patents
Side hangs reinforcing bar band shear key reinforced concrete slab structure Download PDFInfo
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- CN207525962U CN207525962U CN201721282475.XU CN201721282475U CN207525962U CN 207525962 U CN207525962 U CN 207525962U CN 201721282475 U CN201721282475 U CN 201721282475U CN 207525962 U CN207525962 U CN 207525962U
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- reinforcing bar
- shear key
- bottom plate
- precast concrete
- reinforced concrete
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Abstract
The utility model is related to prefabricated assembled concrete structural construction field, specially a kind of side hangs reinforcing bar 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 and connection method, the precast concrete bottom reinforcement of original tape shear key concrete folding plate floor is changed to U-shaped steel muscle, U-shaped steel muscle overhangs from the side of precast concrete bottom plate stretches out (abbreviation side hangs reinforcing bar), reinforcing bar and junction steel plate power transmission are hanged by side, therefore it makes simpler, Path of Force Transfer is simpler clear and definite, and power transmission is more reliable.
Description
Technical field
The utility model is related to prefabricated assembled concrete structural construction field, specially a kind of side hangs reinforcing bar band shear key
Reinforced concrete slab structure.
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.To solve the above-mentioned problems, previous in invention,
Concrete folding plate floor with shear key, prefabricated construction and construction method (publication number CN102839773A), but in the invention
In, be not directed to the reinforced concrete slab with shear key how to be connect with beam, the reinforced concrete slab with shear key with anti-
It cuts and how to connect between the reinforced concrete slab of key.To solve the above-mentioned problems, previous in invention, improved band shearing resistance
The concrete folding plate floor construction of key and connection method (publication number CN104727475A), this kind of structure and connection method, it is main
Still the design philosophy of armored concrete is used, it is slightly complicated to make construction.
For this purpose, the utility model proposes sides to hang bar connecting band shear key reinforced concrete slab structure and connection method,
It realizes the power transmission of pulling force between each prefabricated components, has and make more convenient, power transmission is more reliable, on-site consolidation is simpler, matter of constructing
The advantages that amount is easier to ensure that.
Utility model content
The purpose of this utility model provides a kind of side and hangs reinforcing bar band shear key reinforced concrete slab structure, realizes that side hangs steel
Rib tape shear key reinforced concrete slab is connect with beam, side hangs reinforcing bar band shear key reinforced concrete slab and side hangs reinforcing bar band and resists
The connection between key reinforced concrete slab is cut, meets actual engineering design construction needs.
The technical solution of the utility model：
A kind of side hangs reinforcing bar band shear key reinforced concrete slab structure, which 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 set shearing resistance
Key and concrete cast-in-situ layer；U-shaped connection reinforcing bar is equipped at the plate bottom of precast concrete bottom plate, it is U-shaped that U-shaped connection reinforcing bar includes longitudinal direction
The U-shaped connection reinforcing bar of reinforcing bar and lateral U-shaped steel muscle, longitudinal U-shaped steel muscle and lateral U-shaped steel muscle composition reticular structure.
The side hangs reinforcing bar band shear key reinforced concrete slab structure, when side hangs reinforcing bar band shear key concrete folding
Floor and side are hanged between reinforcing bar band shear key reinforced concrete slab when connecting, the top of two neighboring precast concrete bottom plate it
Span sets recurvation square muscle；When side, which hangs reinforcing bar band shear key reinforced concrete slab, to be connect with central sill, two neighboring concrete
The span on the top of native bottom plate sets recurvation square muscle；When side, which hangs reinforcing bar band shear key reinforced concrete slab, to be connect with side bar, side
Beam top and the span on the top of precast concrete bottom plate set recurvation square muscle.
The side hangs reinforcing bar band shear key reinforced concrete slab structure, when side hangs reinforcing bar band shear key concrete folding
Floor and side are hanged between reinforcing bar band shear key reinforced concrete slab when connecting, the side of two neighboring precast concrete bottom plate it
Between reinforcing bar hanged by mating side connected with junction steel plate and concrete cast-in-situ layer；It is folded when side hangs reinforcing bar band shear key concrete
When conjunction floor is connect with central sill, steel is hanged by mating side between the side of two neighboring precast concrete bottom plate and central sill top
Muscle, L-type connection reinforcing bar are connected with junction steel plate and concrete cast-in-situ layer；When side hangs reinforcing bar band shear key reinforced concrete slab
When being connect with side bar, reinforcing bar is hanged by mating side between the side of precast concrete bottom plate and side bar top, L-type connects reinforcing bar
It is connected with junction steel plate and concrete cast-in-situ layer.
The advantages of the utility model and advantageous effect are：
1st, the utility model side hangs reinforcing bar band shear key reinforced concrete slab structure and connection method, with original tape shearing resistance
Key concrete folding plate floor construction is compared：By the precast concrete bottom reinforcement of original tape shear key concrete folding plate floor
U-shaped steel muscle is changed to, U-shaped steel muscle overhangs from the side of precast concrete bottom plate stretches out (abbreviation side hangs reinforcing bar), hangs reinforcing bar by side
With junction steel plate power transmission, therefore make it is simpler, Path of Force Transfer more it is simple clearly, power transmission is more reliable.
2nd, the utility model side hangs reinforcing bar band shear key reinforced concrete slab structure and connection method, by using connection steel
The side that plate fixes precast concrete bottom plate hangs reinforcing bar, realizes that reinforcement moment of flexure generates the equivalent transmission of tensile stress；By in beam
Interior reserved L-type steel muscle is simultaneously hanged reinforcing bar and is connected with junction steel plate using the L-type steel muscle of beam and the side of plate, realizes precast concrete bottom plate
Fixation of the plate end on beam；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 U-shaped connection reinforcing bar graphics.
Fig. 2 is reserving hole steel support template graphics.
Fig. 3 be arrange shear key, steel support template precast concrete bottom plate graphics.
Fig. 4 is that side hangs the graphics that reinforcing bar precast concrete bottom plate completes.
Fig. 5 is the graphics of junction steel plate.
Fig. 6 is the graphics that two pieces of sides hang the docking of reinforcing bar precast concrete baseplate reinforcing bar.
Fig. 7 is to arrange that two pieces of sides of junction steel plate hang reinforcing bar precast concrete bottom plate graphics.
Fig. 8 is the front view of Fig. 7.
Fig. 9 is the graphics that Fig. 8 pours in-situ layer completion.
Figure 10 is the arrangement of reinforcement graphics of central sill 15.
The girder graphics of Figure 11 arrangement L-type connection reinforcing bars.
Figure 12 is the graphics for the steel reinforcement abutting joints that central sill 15 hangs reinforcing bar precast concrete with side.
Figure 13 is to arrange that the side of junction steel plate hangs the graphics that reinforcing bar precast concrete bottom plate is connect with girder.
Figure 14 is that side hangs the graphics that reinforcing bar precast concrete bottom plate connect completion with girder.
Figure 15 is the arrangement of reinforcement graphics of side bar.
Figure 16 is the 3-D view for the side bar for arranging L-type connection reinforcing bar.
Figure 17 is the 3-D view for the steel reinforcement abutting joints that side bar hangs reinforcing bar precast concrete with side.
Figure 18 is to arrange that the side of junction steel plate hangs the graphics that reinforcing bar precast concrete bottom plate is connect with side bar.
Figure 19 is that side hangs the graphics that reinforcing bar precast concrete bottom plate connect completion with side bar.
In figure, 1 reserving hole steel support template；2 reserving holes；3 fix steel bar；4 fix steel loop；5 shear keies；7 is vertical
To U-shaped steel muscle；8 lateral U-shaped steel muscle；9 sides hang reinforcing bar；10 precast concrete bottom plates；11 junction steel plates；It is reserved on 12 junction steel plates
Hole；13 recurvation square muscle；14 concrete cast-in-situ layers；15 central sills；16th, L-type connection reinforcing bar；17 stirrups；18 side bars.
Specific embodiment
As shown in Fig. 1-Figure 19, the side of the utility model hangs reinforcing bar band shear key reinforced concrete slab structure, main to wrap
Shear key 5, precast concrete bottom plate 10, concrete cast-in-situ layer 14 are included, the adjacent side of precast concrete bottom plate 10 is docked, each
10 upper top of precast concrete bottom plate sets shear key 5 and concrete cast-in-situ layer 14.Wherein, the structure of precast concrete bottom plate 10
And manufacturing process is as follows：
As Figure 1-Figure 4, the utility model is equipped with shear key 5 on precast concrete bottom plate 10, according to Practical Project
In, 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 10 are
Reserving hole steel support template 1, reserving hole steel support template 1 are made of identical two steel bars up and down, reserving hole steel
Reserving hole 2 and fixed steel loop 4, half of preformed hole being distributed between upper and lower two steel bar are carried at the central axes of support template 1 processed
The corresponding composition reserving hole 2 in hole, the fixed steel loop 4 of outside corresponding section setting of upper and lower two steel bar, is inserted by fixed steel bar 3
Fixed steel loop 4 connects two steel bars up and down, forms whole reserving hole steel support template 1.In precast concrete bottom plate 10
Plate bottom is equipped with U-shaped connection reinforcing bar, and U-shaped connection reinforcing bar includes longitudinal U-shaped steel muscle 7 and lateral U-shaped steel muscle 8, longitudinal 7 He of U-shaped steel muscle
Lateral U-shaped steel muscle 8 forms the U-shaped connection reinforcing bar of reticular structure.
During construction, longitudinal U-shaped steel muscle 7 and lateral 8 both ends of U-shaped steel muscle are placed on reserving hole steel supporting mould first
At the reserving hole of the downside steel bar of plate 1, the upside steel bar of reserving hole steel support template 1 is then placed in correspondence, then
Fixed steel bar 3 is inserted into fixed steel loop 4 again, forms frame structure (see Fig. 3).Last casting concrete treats that concrete reaches pre-
After phase intensity, fixed steel bar 3 is removed, removes reserving hole steel support template 1, formed side and hang reinforcing bar precast concrete bottom plate
10。
The thickness of precast concrete bottom plate is highly consistent with reserving hole steel support template 1, is overlapped for actual design
The half of plate thickness.The pulling force that the pulling force that can be undertaken according to this connection reinforcing bar (Fig. 1) U-shaped not less than plate bottom can undertake calculates true
Determine the shape and size of shear key, same to patent " concrete folding plate floor, prefabricated construction and the construction method of shear key
And " the improved concrete folding plate floor construction with shear key and connection method (CN102839773A) "
(CN104727475A)”。
As shown in Fig. 1 to Figure 19, side hangs splicing construction of the reinforcing bar with shear key reinforced concrete slab in engineering structure
Mainly include three kinds with joining method：
(1) as shown in Fig. 5-Fig. 9, side hangs reinforcing bar band shear key reinforced concrete slab and side and hangs reinforcing bar mixes with shear key
Connection between solidifying soil laminated floor slab, connection structure and method are as follows：
(1) as shown in Figure 5-Figure 8, two pieces of precast concrete bottom plates 10 are lifted into precalculated position, precast concrete bottom plate
The side of 10 adjacent sides hangs reinforcing bar 9 in the same horizontal position, and each side hang the both ends of reinforcing bar 9 respectively with precast concrete bottom
Plate 10 is in close contact, and each 10 middle part of precast concrete bottom plate is equipped with vertical section；It is opened up on junction steel plate on junction steel plate 11
Reserving hole 12, reserving hole 12 is transversely arranged on the junction steel plate, and the vertical section for hanging with side reinforcing bar 9 is corresponding,
Junction steel plate 11 is inserted in the vertical section that side hangs reinforcing bar 9, and side is hanged reinforcing bar 9 and stretches into the part of junction steel plate 11 and connection steel
Plate 11, which welds together or side is hanged reinforcing bar 9 stretches out the part of junction steel plate 11, bends downward 45 °, prefabricated so as to complete two pieces
The connection of the reinforcement of concrete floor 10.Meanwhile the span on the top of two neighboring precast concrete bottom plate 10 sets recurvation
Square muscle 13.
(2) as shown in figure 9, on two pieces of precast concrete bottom plates of above-mentioned connection casting concrete in-situ layer 14, coagulation
Native in-situ layer 14 hangs reinforcing bar 9 by shear key 5, side with precast concrete bottom plate 10 and recurvation square muscle 13 connects into strong construction.
Such connection method is equally applicable to 10 end face of precast concrete bottom plate and the docking of 10 end face of precast concrete bottom plate
The operating mode of connection.
(2) as shown in Figure 10-Figure 14, side hangs connection of the reinforcing bar with shear key reinforced concrete slab Yu central sill 15, connects
It is as follows to connect structures and methods：
(1) as shown in Figure 10-Figure 11, central sill 15 is when making, pre-buried L-type connection reinforcing bar 16 and stirrup in central sill 15
17,16 lower end of L-type connection reinforcing bar is stretched into stirrup 17, and the diameter of L-type connection reinforcing bar 16 is not less than U-shaped connection reinforcing bar (Fig. 1)
Diameter.
(2) as shown in Figure 12-Figure 13, two pieces of precast concrete bottom plates 10 are lifted into 15 both sides of central sill, two pieces prefabricated mixed
The side bottom of solidifying soil bottom plate 10 connects with beam outer ledge line, and the side of two pieces of precast concrete bottom plates 10 hangs reinforcing bar 9 same
Horizontal position, and side hangs the vertical section of reinforcing bar 9 and the L-type in central sill 15 connect the vertical section close contact of reinforcing bar 16；
Junction steel plate 11 is inserted in side and hangs reinforcing bar 9 and L-type connection reinforcing bar 16, and side hanged into reinforcing bar 9 connect reinforcing bar 16 with L-type and stretch into connection
The part of steel plate 11 and junction steel plate 11, which weld together or side is hanged reinforcing bar 9 connect reinforcing bar 16 with L-type, stretches into junction steel plate 11
Part bend downward 45 °, complete the bar connecting of two pieces of precast concrete bottom plates 10 and central sill 15.
(3) as shown in figure 14, casting concrete in-situ layer 14, coagulation on two pieces of precast concrete bottom plates of above-mentioned connection
Native in-situ layer 14 hangs reinforcing bar 9 by shear key 5, side with precast concrete bottom plate 10 and recurvation square muscle 13 connects into strong construction.
Such connection method is equally applicable to the situation of 10 end face of precast concrete bottom plate and the connection of central sill 15.
(3) as shown in Figure 15-Figure 19, side hangs connection of the reinforcing bar with shear key reinforced concrete slab Yu side bar 18, connects
It is as follows to connect structures and methods：
(1) as shown in Figure 15-Figure 16, side bar 18 is when making, pre-buried L-type connection reinforcing bar 16 and stirrup in side bar 18
17,16 lower end of L-type connection reinforcing bar is stretched into stirrup 17, and the diameter of L-type connection reinforcing bar 16 is not less than the U-shaped diameter for connecting reinforcing bar.
(2) as shown in Figure 17-Figure 18, precast concrete bottom plate 10 is lifted on side bar 18, precast concrete bottom plate 10
Lapping ends to side bar 18 distance be more than 100mm；The vertical section of L-type connection reinforcing bar 16 in side bar 18 is hanged into steel with side
The vertical section of muscle 9 is in close contact, and is inserted into junction steel plate 11 and is welded together or side is hanged reinforcing bar 9 and connect steel with L-type
The part that muscle 16 stretches into junction steel plate 11 bends downward 45 °, completes the close connection of precast concrete bottom plate 10 and side bar.Together
When, 18 top of side bar and the span on the top of precast concrete bottom plate 10 set recurvation square muscle 13.
(3) as shown in figure 19, the casting concrete in-situ layer 14 on the precast concrete bottom plate of above-mentioned connection, concrete is existing
It pours layer 14 and precast concrete bottom plate 10 hangs reinforcing bar 9 by shear key 5, side and recurvation square muscle 13 connects into strong construction.
Result of implementation shows the utility model：1. precast concrete bottom plate uses reserving hole steel support template, make
It is more environmentally friendly, conveniently；2. the junction steel plate for hanging reinforcing bar between precast concrete bottom plate by being interspersed in side connects, site operation speed
Soon, the power transmission of plate bottom sagging moment is reliable, being connected firmly between precast concrete bottom plate；3. precast concrete bottom end and side bar
It is connect using side bar with plate junction steel plate, convenient and quick construction, precast concrete bottom end and side bar firm and reliable connection；④
Due to the wet construction amount at the scene of by the way of prefabricated and cast-in-place combination, reducing, ensure the globality of structure, save field fabrication
Template, energy conservation and environmental protection accord with the demand for development of green building, have very big application space.
Claims (3)
1. a kind of side hangs reinforcing bar band shear key reinforced concrete slab structure, which is characterized in that the structure includes：It is shear key, pre-
Concrete floor processed, concrete cast-in-situ layer, the adjacent side docking of precast concrete bottom plate are pushed up on each precast concrete bottom plate
Portion sets shear key and concrete cast-in-situ layer；U-shaped connection reinforcing bar, U-shaped connection reinforcing bar are equipped at the plate bottom of precast concrete bottom plate
Including longitudinal U-shaped steel muscle and lateral U-shaped steel muscle, the U-shaped connection steel of longitudinal U-shaped steel muscle and lateral U-shaped steel muscle composition reticular structure
Muscle.
2. side described in accordance with the claim 1 hangs reinforcing bar band shear key reinforced concrete slab structure, which is characterized in that when side hangs
It is two neighboring when reinforcing bar band shear key reinforced concrete slab and side hang reinforcing bar with being connected between shear key reinforced concrete slab
The span on the top of precast concrete bottom plate sets recurvation square muscle；Connect when side hangs reinforcing bar band shear key reinforced concrete slab with central sill
When connecing, the span on the top of two neighboring precast concrete bottom plate sets recurvation square muscle；It is folded when side hangs reinforcing bar band shear key concrete
When conjunction floor is connect with side bar, side bar top and the span on the top of precast concrete bottom plate set recurvation square muscle.
3. side described in accordance with the claim 1 hangs reinforcing bar band shear key reinforced concrete slab structure, which is characterized in that when side hangs
It is two neighboring when reinforcing bar band shear key reinforced concrete slab and side hang reinforcing bar with being connected between shear key reinforced concrete slab
Reinforcing bar is hanged between the side of precast concrete bottom plate by mating side to connect with junction steel plate and concrete cast-in-situ layer；Work as side
When outstanding reinforcing bar band shear key reinforced concrete slab is connect with central sill, side and the middle back of two neighboring precast concrete bottom plate
Reinforcing bar is hanged by mating side between portion, L-type connects reinforcing bar and connected with junction steel plate and concrete cast-in-situ layer；When side hangs reinforcing bar
When band shear key reinforced concrete slab is connect with side bar, by mating between the side of precast concrete bottom plate and side bar top
Side hang reinforcing bar, L-type connection reinforcing bar connected with junction steel plate and concrete cast-in-situ layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721282475.XU CN207525962U (en) | 2017-09-30 | 2017-09-30 | Side hangs reinforcing bar band shear key reinforced concrete slab structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721282475.XU CN207525962U (en) | 2017-09-30 | 2017-09-30 | Side hangs reinforcing bar band shear key reinforced concrete slab structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207525962U true CN207525962U (en) | 2018-06-22 |
Family
ID=62570389
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|---|---|---|---|
| CN201721282475.XU Expired - Fee Related CN207525962U (en) | 2017-09-30 | 2017-09-30 | Side hangs reinforcing bar band shear key reinforced concrete slab structure |
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| CN (1) | CN207525962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514083A (en) * | 2017-09-30 | 2017-12-26 | 沈阳建筑大学 | Side hangs reinforcing bar band shear key reinforced concrete slab structure and connection method |
-
2017
- 2017-09-30 CN CN201721282475.XU patent/CN207525962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514083A (en) * | 2017-09-30 | 2017-12-26 | 沈阳建筑大学 | Side hangs reinforcing bar band shear key reinforced concrete slab structure and connection method |
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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 |