CN206220319U - A kind of steel truss concrete superimposed sheet - Google Patents
A kind of steel truss concrete superimposed sheet Download PDFInfo
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- CN206220319U CN206220319U CN201621230239.9U CN201621230239U CN206220319U CN 206220319 U CN206220319 U CN 206220319U CN 201621230239 U CN201621230239 U CN 201621230239U CN 206220319 U CN206220319 U CN 206220319U
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- support rib
- prefabricated board
- concrete
- reinforcing bar
- steel truss
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Abstract
The utility model is related to a kind of steel truss concrete superimposed sheet, especially a kind of steel truss concrete superimposed sheet of ribbing.Purpose is to provide one kind and can improve bending strength, the steel truss concrete superimposed sheet of temporary support need not be set up, including prefabricated board, the prefabricated board bottom is prefabricated with some reinforced concrete support ribs, the reinforced concrete support rib includes being arranged on the concrete support rib of prefabricated board lower surface, and the reinforcing bar a corresponding with the position of concrete support rib；The parallel or inclined longitudinal centre line in prefabricated board of reinforced concrete support rib.The position of the reinforcing bar a can be arranged on concrete support rib central part, it is also possible to be arranged in prefabricated board and tangent with its lower surface.The utility model has good bending strength, and rigidity requirement, simple structure, easy construction can be just met without setting up temporary support.After the completion of construction, in the case where needing to remove, very easily concrete support rib can be removed.
Description
Technical field
The utility model is related to a kind of steel truss concrete superimposed sheet, a kind of steel truss concrete overlapping of especially ribbing
Plate.
Background technology
Steel truss concrete superimposed sheet be it is a kind of for assembled architecture in conventional prefabricated system, mainly by prefabricated board and
The concrete folding layer for being cast in prefabricated board upper surface is constituted.In assembled architecture system, will in order to meet different spans
Ask, steel truss concrete superimposed sheet can be divided into common superimposed sheet and prestressing force superimposed sheet again.Common steel truss superimposed sheet is in assembling
Applying man-hour requirement can just bear deadweight and construction loads, construction trouble, inefficiency in prefabricated board bottom erection temporary support.In advance
The prefabricated board upper surface spacing side by side of stress superimposed sheet sets ribs with holes, during construction before rigidity needed for meeting span
Put, temporary support can not be set, but still need to transverse steel is penetrated in the hole of ribs, superimposed sheet is ensured with this
Rigidity.Although prestressing force superimposed sheet can be without setting up temporary support, structure is excessively complicated, and needs laterally wear
The construction of hole reinforcing bar, labour intensity is big, inefficiency.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of steel truss and mixes
Solidifying soil superimposed sheet, it is possible to increase bending strength, without setting up temporary support, simple structure, easy construction.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：
A kind of steel truss concrete superimposed sheet, including prefabricated board, the prefabricated board bottom are prefabricated with some armored concrete
Ribs；The reinforced concrete support rib includes being arranged on the concrete support rib of prefabricated board lower surface, and and concrete
The corresponding reinforcing bar a in the position of ribs；The parallel or inclined longitudinal centre line in prefabricated board of reinforced concrete support rib.
In the prior art, during pouring construction, steel truss concrete superimposed sheet is pressurized（Construction loads and deadweight）Afterwards,
Its lower surface occurs bending and deformation across direction along plate even ftracture at first.In above-mentioned technical proposal, the coagulation of prefabricated board lower surface
Native ribs enhance the intensity of prefabricated board, even if occuring bending and deformation also earliest since concrete support rib, so as to pre-
Making sheet serves protective effect.And reinforcing bar a is set in the position corresponding section with concrete support rib, reinforcing bar a can bear
Larger tension, so that ftractureed caused by reducing because occuring bending and deformation, so as to greatly improve steel truss concrete overlapping
The bending strength of plate, can bear enough construction loads, and without setting up temporary support again, easy construction improves construction effect
Rate.Meanwhile, for prestressing force superimposed sheet of the prior art, structure is simpler.
Used as optimization, the reinforcing bar a is arranged in concrete support rib.So, the stress of reinforced concrete support rib is more
Plus it is uniform, improve the bulk strength and rigidity of reinforced concrete support rib.
As optimization, the reinforcing bar a be arranged in prefabricated board and periphery and the prefabricated board of reinforcing bar a lower surface phase
Cut.So, because reinforcing bar a is not arranged in inside concrete support rib, and it is provided in prefabricated board, is completed in pouring construction
Afterwards, in the case where needing to remove, very easily concrete support rib can be knocked out, removed so that steel truss concrete is folded
It is more smooth attractive in appearance when the lower surface of plywood is as ceiling.
It is parallel to each other between the reinforced concrete support rib as optimization, and parallel in the longitudinal direction of the prefabricated board
Heart line.So, when steel truss concrete superimposed sheet is one-way slabs, reinforced concrete support rib is parallel in the longitudinal direction of prefabricated board
Heart line be plate across direction, then be more beneficial for the transmission of load.
As optimization, intersected between the reinforced concrete support rib.So, when steel truss concrete superimposed sheet is
During two-way slab, reinforced concrete support rib favours the longitudinal centre line of prefabricated board, then be more beneficial for from horizontal and vertical
Both direction load is all transmitted.
Used as optimization, the shape of cross section of the concrete support rib is rectangle, inverted trapezoidal or semicircle.Due to steel truss
Concrete folding plate is typically to coordinate what is installed with precast wall body, the reserved groove in relevant position at the top of precast wall body, with mixed
The superimposed sheet of solidifying soil ribs can be conveniently located into the groove of precast wall body upper end, reached and be accurately positioned, the mesh of Fast Installation
's.Inverted trapezoidal or semicircular concrete support rib can reduce movement interference, the convenient processing system of concrete support rib of rectangle
Make.
As optimization, reinforcing bar b is embedded with the prefabricated board, after the exposed junction of the reinforcing bar b is folded upward at 90 degree, leaned on
To 90 degree of prefabricated board outside bending at nearly prefabricated board upper surface top position.Assembly is being carried out to steel truss concrete superimposed sheet
When, by the overlap joint between the reinforcing bar b after bending can realize adjacent steel truss concrete folding plate, improve installation strength.
Used as optimization, the prefabricated board upper surface is provided with broken line reinforcing bar, and the prefabricated board upper surface has poured concrete and folded
Close layer.In such manner, it is possible to improve the shearing strength between prefabricated board and concrete folding layer, it is to avoid layering, dislocation occur.
Used as optimization, described each reinforced concrete support rib has two reinforcing bar a.In such manner, it is possible to improve reinforcing bar
The strength and stiffness of concrete support rib, meet span it is larger when rigidity requirement.
Used as optimization, the reinforcing bar a in the reinforced concrete support rib is the spiral of a diameter of 16 ~ 25mm, screw thread
Stronger grip force can be formed between steel and concrete, the overall strength and stiffness of reinforced concrete support rib are improved.The steel
Muscle a is deformed bar, and so, reinforcing bar a offsets the prestressing force of reinforcing bar a, so as to prolong first in the pulling force that bearing load is produced
The appearance and expansion in slow crack.The height of concrete support rib is 15 ~ 50mm, and its width is 50 ~ 100mm.So, can basis
Span size comes the structure of flexible design reinforced concrete support rib, size.
In sum, the utility model has good bending strength, and rigidity need can be just met without setting up temporary support
Ask, simple structure, easy construction.Installation strength is high, and very easily concrete support rib can be removed after the completion of construction.And
And rational physical dimension can be designed to reinforced concrete support rib according to the size of span, with excellent adaptability.
Brief description of the drawings
Fig. 1 is the structural representation of specific embodiment 1；
Fig. 2 is the upward view of specific embodiment 2；
Fig. 3 is the structural representation of specific embodiment 3.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment 1：As shown in figure 1, a kind of steel truss concrete superimposed sheet, including prefabricated board 1, the prefabricated board
1 bottom is prefabricated with some reinforced concrete support ribs 2, and the reinforced concrete support rib 2 includes being arranged on the lower surface of prefabricated board 1
Concrete support rib 21, and the reinforcing bar a22 corresponding with the position of concrete support rib 21, ribs employ reinforcing bar and mix
Xtah Crude Clay structure, takes full advantage of reinforcing bar a22 and is acted on the cooperative bearing of concrete support rib 21：The bending resistance of concrete support rib 21,
Reinforcing bar a22 then tensions, can not only so improve the bending strength of prefabricated board 1, moreover it is possible to reduce because of the cracking that flexural deformation occurs.Institute
The shape of cross section of concrete support rib 21 is stated for rectangle, inverted trapezoidal or semicircle, because steel truss concrete superimposed sheet is usual
It is to coordinate to install with precast wall body, the reserved groove in relevant position at the top of precast wall body is folded with concrete support rib 21
Plywood can be conveniently located into the groove of precast wall body upper end, reached and be accurately positioned, the purpose of Fast Installation；Inverted trapezoidal or semicircle
The concrete support rib 21 of shape can reduce movement interference, and the concrete support rib 21 of rectangle is convenient to be fabricated.The reinforcing bar
It is parallel to each other between concrete support rib 2, and parallel to the longitudinal centre line of the prefabricated board 1.In this specific embodiment, steel
Truss concrete folding plate is one-way slabs（Only along longitudinal stress）, due to reinforced concrete support rib 2 and the stress side of one-way slabs
To identical, then the transmission of load is more beneficial for.
In this specific embodiment：The reinforcing bar a is arranged in concrete support rib.So, reinforced concrete support rib 2
Be more uniformly stressed, improve the bulk strength and rigidity of reinforced concrete support rib 2.
In this specific embodiment：Reinforcing bar b3 is embedded with the prefabricated board 1, the exposed junction of the reinforcing bar b3 is folded upward at
After 90 degree, 90 degree are being bent to the outside of prefabricated board 1 at the upper surface top position of prefabricated board 1.Folded to steel truss concrete
When plywood carries out assembly, by the overlap joint between the reinforcing bar b3 after bending can realize adjacent steel truss concrete folding plate, improve
Installation strength.
In this specific embodiment：The upper surface of the prefabricated board 1 is longitudinally provided with broken line reinforcing bar, the upper surface of the prefabricated board 1
Concrete folding layer is poured.Increased broken line reinforcing bar can improve the shearing strength between prefabricated board 1 and concrete folding layer,
Avoid layering, dislocation.Before pouring, in addition in the upper surface of prefabricated board 1 laying broken line reinforcing bar, can also laterally laying
Reinforcing bar c, reinforcing bar c can realize that the whole steel truss concrete that the cooperative bearing with concrete folding layer, raising are formed after pouring is folded
The bulk strength of plywood assembly.
In this specific embodiment：Described each reinforced concrete support rib 2 has two reinforcing bar a22.Increase steel
The quantity of muscle a22 can improve the strength and stiffness of reinforced concrete support rib 2, meet span it is larger when rigidity requirement.
In this specific embodiment：Reinforcing bar a22 in the reinforced concrete support rib 2 is the spiral shell of a diameter of 16 ~ 25mm
Line reinforcing bar, can form stronger grip force between screw-thread steel and concrete, improve the entirety of reinforced concrete support rib 2 intensity and
Rigidity.The reinforcing bar a22 is deformed bar, i.e., combined with concrete preceding, and reinforcing bar a22 is bent, and the side of bending
To be it is in opposite direction with what superimposed sheet occured bending and deformation, so, reinforcing bar a22 in the pulling force that bearing load is produced, first
The prestressing force of reinforcing bar a is offset, so that the appearance and expansion of delayed fracture.The height of concrete support rib 21 is 15 ~ 50mm, and it is wide
It is 50 ~ 100mm to spend.Steel truss concrete superimposed sheet in this specific embodiment is one-way slabs, reinforced concrete support rib 2 it
Between spacing can be set to 0.5 ~ 1.0m, so, can be according to span size come the knot of flexible design reinforced concrete support rib 2
Structure, size.
Specific embodiment 2：As shown in Fig. 2 unlike described in specific embodiment 1, the armored concrete branch
Stake rib 2 favours the longitudinal centre line of prefabricated board 1, is intersected between the reinforced concrete support rib 2.This specific embodiment party
It is two-way slab that formula is applied to steel truss concrete superimposed sheet（Horizontal and vertical power is subject to simultaneously）Situation：More specifically come
Say, the angle between the longitudinal centre line of reinforced concrete support rib 2 and prefabricated board 1 is 30o~45o, this corner dimension is according to double
Determine to the Aspect Ratio of plate.When steel truss concrete superimposed sheet is rectangle, angle need to be less than 45o, to ensure side long
Bigger load can be born.In addition, when steel truss concrete superimposed sheet is for square, between reinforced concrete support rib 2
Can be with square crossing.
Certainly, for two-way slab, favoured in reinforced concrete support rib 2 prefabricated board 1 longitudinal centre line it is same
When, can also be parallel to each other to realize the transmission to horizontal and vertical load between reinforced concrete support rib 2, simply effect
Not as good as cross one another mode between reinforced concrete support rib 2.
Specific embodiment 3：As shown in figure 3, being with the difference of specific embodiment 1 or specific embodiment 2：
The reinforcing bar a is arranged in prefabricated board 1 and the periphery of reinforcing bar a is tangent with the lower surface of prefabricated board 1.Due to reinforcing bar a22 not
It is provided in inside concrete support rib 21, and is provided in prefabricated board 1, after the completion of pouring construction, is needing what is removed
In the case of, very easily concrete support rib 21 can be knocked out, removed so that the lower surface of steel truss concrete superimposed sheet is made
It is more smooth attractive in appearance during for ceiling.
Claims (10)
1. a kind of steel truss concrete superimposed sheet, including prefabricated board, it is characterised in that：The prefabricated board bottom is prefabricated with some steel
Reinforced concrete ribs；The reinforced concrete support rib includes being arranged on the concrete support rib of prefabricated board lower surface, and
The reinforcing bar a corresponding with the position of concrete support rib；The reinforced concrete support rib is parallel or inclined in the vertical of prefabricated board
To center line.
2. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The reinforcing bar a is arranged on concrete
In ribs.
3. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The reinforcing bar a is arranged on prefabricated board
Interior and reinforcing bar a periphery is tangent with prefabricated board lower surface.
4. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The reinforced concrete support rib it
Between it is parallel to each other, and parallel to the longitudinal centre line of the prefabricated board.
5. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The reinforced concrete support rib it
Between intersect.
6. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The concrete support rib it is transversal
Face is shaped as rectangle, inverted trapezoidal or semicircle.
7. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：Reinforcing bar is embedded with the prefabricated board
B, after the exposed junction of the reinforcing bar b is folded upward at 90 degree, is being close at the top position of prefabricated board upper surface to lateral bending outside prefabricated board
90 degree of folding.
8. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The prefabricated board upper surface is provided with folding
Line reinforcing bar, the prefabricated board upper surface has poured concrete folding layer.
9. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：Described each armored concrete branch
Stake rib all has two reinforcing bar a.
10. steel truss concrete superimposed sheet according to claim 1, it is characterised in that：The reinforced concrete support rib
In reinforcing bar a for a diameter of 16 ~ 25mm spiral；The reinforcing bar a is deformed bar；The height of reinforced concrete support rib
It is 15 ~ 50mm to spend, and its width is 50 ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230239.9U CN206220319U (en) | 2016-11-16 | 2016-11-16 | A kind of steel truss concrete superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230239.9U CN206220319U (en) | 2016-11-16 | 2016-11-16 | A kind of steel truss concrete superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220319U true CN206220319U (en) | 2017-06-06 |
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ID=58793554
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621230239.9U Active CN206220319U (en) | 2016-11-16 | 2016-11-16 | A kind of steel truss concrete superimposed sheet |
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| CN (1) | CN206220319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456230A (en) * | 2020-01-22 | 2020-07-28 | 广州地铁设计研究院股份有限公司 | Assembled exempts from braced frame structure |
-
2016
- 2016-11-16 CN CN201621230239.9U patent/CN206220319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456230A (en) * | 2020-01-22 | 2020-07-28 | 广州地铁设计研究院股份有限公司 | Assembled exempts from braced frame structure |
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