CN205857492U - Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building - Google Patents
Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building Download PDFInfo
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- CN205857492U CN205857492U CN201620641812.9U CN201620641812U CN205857492U CN 205857492 U CN205857492 U CN 205857492U CN 201620641812 U CN201620641812 U CN 201620641812U CN 205857492 U CN205857492 U CN 205857492U
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Abstract
This utility model relates to a kind of thin-wall steel tube rib hollow concrete superimposed sheet, floor and building, belongs to construction engineering technical field.Concrete folding plate mainly includes concrete floor, is provided with the most two-way stiffener in concrete floor, and the bearing of trend of the most longitudinally reinforced reinforcing bar is identical with the length direction of concrete floor；Described horizontal stiffener is fixing with thin-wall steel tube to be connected；The top of thin-wall steel tube protrudes from described concrete floor；And the straight line parallel that the axis of described thin-wall steel tube is identical with described concrete floor length direction.Concrete folding plate provided by the utility model, easy to process, with low cost, can not only produce hollow in plate position of neutral axis, and achieve the effect that thin-wall steel tube rib can effectively carry in construction stage and later stage operational phase.
Description
Technical field
This utility model relates to building structure correlative technology field, specifically, relates to a kind of thin-wall steel tube rib hollow
Concrete folding plate, floor and building.
Background technology
Reinforced concrete laminated floor slab is to add a kind of assembling entirety watering one layer of cast-in-place concrete and formed on precoated plate
Formula floor.Assembled integral floor integrates cast-in-situ floor and the advantage of assembled floor, compared to cast-type floor, this building
Plate achieves pre-erection industrialized production, can reduce formwork and concrete construction wet trade amount, shortens construction period；Compared to
Assembled floor, the prefabricated panel of this floor and top cast-in-place concrete are combined into an entirety, floor integral rigidity and antidetonation
Performance is all greatly improved, therefore for bigger multi storied industrial factory building, the skyscraper of some load and there is requirements for fortification against earthquake
Building, it is possible to use this version.
Common precast concrete superimposed sheet has plane superimposed sheet, shear connections type superimposed sheet and floor type with ribbing overlapping
Plate three class.In the superimposed sheet of three types, all there is defect in various degree, specifically include:
(1) cohesive force between plane superimposed sheet new-old concrete is relatively low, and new-old concrete easily ftractures and pacifies
Full problem, and the rigidity of this kind of superimposed sheet is relatively low, the construction stage needs to arrange temporary support.
(2) shear connections type superimposed sheet arranges the shearing resistance of the type such as bar dowel or steel bar girder at plane plate upper surface
Connector, enhances the cohesive force of new-old concrete, but the steel using amount of this kind of superimposed sheet is higher, and many reinforcing bars invalid were made in the later stage
Become the waste of steel.
(3) floor type superimposed sheet with ribbing arranges unidirectional or two-way helping in rectangular base plate and is formed, prefabricated base plate with ribbing
Rib not only adds the rigidity of base plate, the use of temporary support has been reduced or avoided, and has added between new-old concrete
Cohesive force and shearing strength.The deadweight of solid superimposed sheet is relatively big, applies in general to medium and small span.Relatively large span superimposed sheet preferably uses sky
Cardioid superimposed sheet or sandwiched superimposed sheet.Both superimposed sheets can reduce concrete on the premise of ensureing rigidity and bearing capacity
Consumption, alleviate dead load, reduce building cost, make building structure have preferably insulation and sound insulation value.Extensively application
In building construction and science of bridge building.
The rib of common floor type superimposed sheet with ribbing is xoncrete structure, and cross sectional shape is rectangle and T-shaped two kinds.Fold for this kind
Plywood is typically conducted oneself with dignity relatively big, and perforate inconvenience and cavity position easily produce crack, cause the internal flaw of superimposed sheet, this kind of overlapping
During the construction of bottom plates of plate, formwork supporting plate is more, construction inconvenience.A kind of embodiment of hollow type superimposed sheet is prefabricated panel circle
Orifice plate, under which, prefabricated and cast-in-place part does not use and good is connected measure, for ensureing rigidity and the overlapping of prefabricated panel
The globality of plate, floor is the thickest, deviate the neutral axis of plate from great and circular hole position；Another of hollow type superimposed sheet
Planting embodiment is layout template on prefabricated panel, is formed hollow between rear pouring concrete and base plate, and which decreases
Bond area between prefabricated and cast-in-place part, relatively low easily being cut off of adhesion strength between new-old concrete is split, and which
Formwork more construction inconvenience；The embodiment of sandwiched superimposed sheet be in prefabricated panel the sandwich of pre-buried porous light, later stage
Casting concrete forms entirety, complicated in order to ensure the structure of the cohesive force of new-old concrete, prefabricated panel and sandwich, this side
Formula operational procedure is relatively complicated, complicated, and the rigidity of superimposed sheet is more weak, and easily produces crack between bi-material.Hollow type and
Sandwiched superimposed sheet all exists that prefabricated flat board bending rigidity is relatively low, and flat board is thicker, transports frangibility, and during construction, span centre need to be arranged
The shortcomings such as support.
Therefore, how to design the hollow concrete superimposed sheet of a kind of new construction, be that those skilled in the art need solution badly
Problem.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of hollow coagulation of thin-wall steel tube rib
Soil superimposed sheet.Concrete folding plate provided by the utility model, easy to process, with low cost, can not only be in plate neutral axis position
Buy property raw hollow, and achieve the effect that thin-wall steel tube rib can effectively carry in construction stage and later stage operational phase.
In order to reach above-mentioned purpose, this utility model adopts the following technical scheme that
A kind of thin-wall steel tube rib hollow concrete superimposed sheet, including:
Concrete floor, is provided with the most two-way stiffener, the extension side of the most longitudinally reinforced reinforcing bar in concrete floor
Identical to the length direction with concrete floor；
Described horizontal stiffener is fixing with thin-wall steel tube to be connected；
The bottom of thin-wall steel tube embeds described concrete floor, and its top protrudes from described concrete floor；
And the straight line parallel that the axis of described thin-wall steel tube is identical with described concrete floor length direction.
Preferably, described stiffener is reinforced mesh.
Preferably, described stiffener is transverse steel, and the axis of transverse steel is vertical with the axis of thin-wall steel tube.
Preferably, described stiffener also includes longitudinal reinforcement, and longitudinal reinforcement is fixing with transverse steel to be connected, thin-wall steel tube
Between adjacent longitudinal reinforcement.
Preferably, the thin-wall steel tube axis that described thin-wall steel tube is multiple, adjacent is parallel.
Preferably, the cross section of described thin-wall steel tube is circular, oval, square or polygon.
While providing above-mentioned superimposed sheet scheme, this utility model additionally provides a kind of floor, and this floor includes above-mentioned
Superimposed sheet, the concrete floor of described superimposed sheet has rear pouring concrete layer.
In above-mentioned floor, it is preferred that described thin-wall steel tube is protruded from described coagulation by described rear pouring concrete layer
The part of soil base plate is completely covered.
Meanwhile, this utility model additionally provides a kind of building, and this building has floor, and described floor is above-mentioned building
Plate.
As more preferably scheme, this utility model additionally provides the manufacture method of a kind of above-mentioned superimposed sheet, mainly include as
Lower step:
Reinforcing bar in length and breadth bottom A, first colligation superimposed sheet, it is ensured that the thickness of concrete cover of reinforcing bar bottom, by thin-wall steel tube
Fix with horizontal stiffener and be connected；
B, installation form, casting concrete base plate, make concrete floor will cover bottom stiffener and thin-wall steel tube, but
The concrete height poured is far below the top of thin-wall steel tube；
C, standing 12-48 hour, to the concrete setting described in step B, then remove side template.
The beneficial effects of the utility model are:
Thin-wall steel tube rib hollow concrete superimposed sheet the most described in the utility model, its reasonable stress, easy to process, deadweight
Gently, bearing capacity is high, construction stage cast-in-place concrete is convenient, is very good structural elements.
2. in this utility model, the use of thin-wall steel tube creates hollow in floor, decreases at plate neutral axis stress relatively
Little concrete, reduces the weight of superimposed sheet.
3. in this utility model, thin-wall steel tube, as the ribbed stiffener of superimposed sheet, increases the bearing capacity of superimposed sheet, reduce or
Avoid the use of construction stage temporary support.
4. after in this utility model, pouring concrete layer is possible to prevent the cripling of thin-wall steel tube, in later stage operational phase,
Thin-wall steel tube can still act as the main bearing member of concrete slab, with concrete shared external load.
5. the superimposed sheet in this utility model is during the construction of bottom plates of early stage and the cast in situs in later stage, formwork and
Support less, easy construction, can easily the position of control hole and size.
6. this utility model have employed thin-wall steel tube rib, add the contact area of superimposed sheet and rear pouring concrete, increase
Adhesion strength between strong new-old concrete.
7. in this utility model, thin-wall steel tube can reduce as negative reinforcement in last layer and the bearing of distributing bar
The setting of reinforcing bar in last layer.
8. the superimposed sheet in this utility model has the effect of good acoustical and thermal.
9. the precast concrete superimposed sheet in this utility model, can install circuit pipeline in advance.
Accompanying drawing explanation
Fig. 1 is the structural representation of two thin-wall steel tube rib hollow concrete superimposed sheets；
Fig. 2 is the structural representation of single thin-wall steel tube rib hollow concrete superimposed sheet；
Fig. 3 is the structural representation of three thin-wall steel tube rib hollow concrete superimposed sheets；
Fig. 4 is the cross-sectional view of the first thin-wall steel tube in this utility model；
Fig. 5 is the cross-sectional view of the second thin-wall steel tube in this utility model；
Fig. 6 is the cross-sectional view of the third thin-wall steel tube in this utility model；
Fig. 7 is the cross-sectional view of the 4th kind of thin-wall steel tube in this utility model；
Fig. 8 is the cross-sectional view of two thin-wall steel tube rib hollow concrete superimposed sheets；
Fig. 9 is the cross-sectional view after having poured in two thin-wall steel tube rib hollow concrete superimposed sheet later stages；
In figure, 1, thin-wall steel tube, 2, concrete floor, 3, transverse steel, 4, longitudinal reinforcement, 5, rear pouring concrete layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
Embodiment 1: as shown in Fig. 1-Fig. 9, a kind of thin-wall steel tube rib hollow concrete superimposed sheet, including concrete floor 2,
Concrete floor 2 is internal has stiffener, and stiffener can be ready-made reinforced mesh, it is also possible to be by transverse steel 3
The bar-mat reinforcement being formed by fixedly connecting with longitudinal reinforcement 4.Wherein, the extension direction of longitudinal reinforcement 4 and the length side of concrete floor
To consistent.
Described transverse steel 3 is welded to connect with thin-wall steel tube 1.Thin-wall steel tube 1 between adjacent longitudinal reinforcement 4,
And the axis of thin-wall steel tube 1 is parallel with the axis of longitudinal reinforcement 4.
According to different needs, described thin-wall steel tube 1 can be chosen as circle, ellipse, square or equilateral polygon section
One.
As preferably scheme, longitudinal reinforcement 4 is distributed on transverse steel 3.
It should be noted that the bottom of described thin-wall steel tube 1 is positioned at concrete floor 2.
Embodiment 2: a kind of floor, as shown in Fig. 1-Fig. 9, including the superimposed sheet in embodiment 1, this floor waters after also having
Concrete layer 5, the top of thin-wall steel tube 1 is completely covered by rear pouring concrete layer 5.
After and, pouring concrete layer 5 pours thickness and should meet the concrete protective of thin-wall steel tube 1 top edge and top bars
The requirement of layer thickness.
Embodiment 3: a kind of building, has the floor described in embodiment 2 in this building.
Embodiment 4: a kind of prepare the method for superimposed sheet described in embodiment 1, step is as follows:
A, first colligation baseplate reinforcing bar, on transverse steel 3, welding or colligation connect longitudinal reinforcement 4, and by thin-wall steel tube 1 with
Transverse steel 3 is welded to connect；
B, installation form, casting concrete base plate 2, make concrete floor 2 be covered by stiffener, but the concrete poured
Highly less than the top of thin-wall steel tube；
C, standing 12-48 hour, to the concrete setting described in step B, then remove side template.
Superimposed sheet structure provided by the utility model, use thin-wall steel tube as ribs, and thin-wall steel tube and overlapping
Reinforcing bar in plate base plate is fixing to be connected so that thin-wall steel tube can as negative reinforcement in last layer and distributing bar
Seat, decreases the setting of reinforcing bar in last layer.
As a example by the floor of thickness 120.
Using the solid concrete floor that tradition superimposed sheet is made, Reinforcement is Φ 12@150, and distribution bar is
Φ8@200.Then 1 meter wide 3 meters of long floors, volume of concrete is 0.36 cube, and weight is 9000.0N；Longitudinal reinforcement weight is
177.5N；Distribution bar weight is 59.2N.Then floor gross weight is 9236.7N.Concrete price presses 600 yuan every cube calculating,
0.36 cube of concrete totally 216 yuan；Reinforcing bar price presses 6000 yuan of calculating per ton, and totally 142.Then concrete and reinforcing bar total price totally 358
Unit.After using deformed bar, Reinforcement can be reduced to Φ 6@100 compressor wire, rolled steel dosage by Φ 12@150
Although reducing, but the price of unit steel improves, and adds the stretch-draw expense of deformed bar, therefore total cost and employing Φ
12@150 regular reinforcement prices are basically identical.
Using novel hollow thin-wall steel tube overlapping thickness of slab, thin-wall steel tube uses Φ 85x1.0, spacing 500.Then 1 meter wide 3 meters
Long floor, volume of concrete is 0.325 cube, and weight is 8149.0N, cost 195.6 yuan；The weight of 2 thin-wall steel tubes is
125.7N, cost 75.4 yuan；Serve as the dark beam in floor, former Reinforcement due to thin-wall steel tube, be now distribution bar, can
Using Φ 6@200, weight is 59.2N, cost 35.5 yuan；Former transversely distributed steelbar, is now steel bar stress, but span only 500mm,
Can use Φ 6@200, weight is 59.2N, cost 35.5 yuan.New Floor Slab gross weight is 8456N, than traditional solid floor weight
Reduce by 10.1%.Total cost 342.0 yuan, saves 4.7% than traditional solid floor.
Meanwhile, before manufacturing, because the requirements of building is known, therefore can setting according to building
Meter requirement, makes the axis of thin-wall steel tube 1 overlap with neutral axis so that floor has higher intensity.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to embodiment will be apparent from for those skilled in the art, as defined herein
General Principle can realize, not give in the case of without departing from spirit or scope of the present utility model in other embodiments
Describe the part presented with partial enlargement in detail, for prior art, do not repeat at this.Therefore, this utility model will not
It is intended to be limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and feature the widest
Scope.
Claims (7)
1. a thin-wall steel tube rib hollow concrete superimposed sheet, it is characterised in that including:
Concrete floor, is provided with the most two-way stiffener, the bearing of trend of longitudinally reinforced reinforcing bar and coagulation in concrete floor
The length direction of soil base plate is identical；
Described horizontal stiffener is fixing with thin-wall steel tube to be connected；
The top of thin-wall steel tube protrudes from described concrete floor；
And the straight line parallel that the axis of described thin-wall steel tube is identical with described concrete floor length direction.
Thin-wall steel tube rib hollow concrete superimposed sheet the most according to claim 1, it is characterised in that described stiffener is
Reinforced mesh.
Thin-wall steel tube rib hollow concrete superimposed sheet the most according to claim 1, it is characterised in that described thin-wall steel tube is
Multiple, adjacent thin-wall steel tube axis is parallel.
Thin-wall steel tube rib hollow concrete superimposed sheet the most according to claim 1, it is characterised in that described thin-wall steel tube
Cross section is circular, oval, square or polygon.
5. a floor, it is characterised in that this floor includes the superimposed sheet described in any one of claim 1-4, and described overlapping
There is on the concrete floor of plate rear pouring concrete layer.
Floor the most according to claim 5, it is characterised in that described rear pouring concrete layer is by the protrusion of described thin-wall steel tube
Part in described concrete floor is completely covered.
7. a building, this building has floor, it is characterised in that described floor is the building described in claim 5 or 6
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641812.9U CN205857492U (en) | 2016-06-24 | 2016-06-24 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641812.9U CN205857492U (en) | 2016-06-24 | 2016-06-24 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
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| Publication Number | Publication Date |
|---|---|
| CN205857492U true CN205857492U (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620641812.9U Expired - Fee Related CN205857492U (en) | 2016-06-24 | 2016-06-24 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971176A (en) * | 2016-06-24 | 2016-09-28 | 山东大学 | Hollow concrete composite slab provided with thin-wall steel tube ribs, floor, building and manufacturing method |
| CN108179827A (en) * | 2017-12-31 | 2018-06-19 | 王斐 | A kind of piecemeal assembling steel plate concrete shear force wall and its arrangement and method for construction |
| CN112962845A (en) * | 2021-02-05 | 2021-06-15 | 方圆建设集团有限公司 | Novel assembled steel plate concrete hollow floor and horizontal production |
-
2016
- 2016-06-24 CN CN201620641812.9U patent/CN205857492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971176A (en) * | 2016-06-24 | 2016-09-28 | 山东大学 | Hollow concrete composite slab provided with thin-wall steel tube ribs, floor, building and manufacturing method |
| CN105971176B (en) * | 2016-06-24 | 2018-01-09 | 山东大学 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method |
| CN108179827A (en) * | 2017-12-31 | 2018-06-19 | 王斐 | A kind of piecemeal assembling steel plate concrete shear force wall and its arrangement and method for construction |
| CN112962845A (en) * | 2021-02-05 | 2021-06-15 | 方圆建设集团有限公司 | Novel assembled steel plate concrete hollow floor and horizontal production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170104 Termination date: 20190624 |