CN105971176B - Thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method - Google Patents
Thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method Download PDFInfo
- Publication number
- CN105971176B CN105971176B CN201610473623.XA CN201610473623A CN105971176B CN 105971176 B CN105971176 B CN 105971176B CN 201610473623 A CN201610473623 A CN 201610473623A CN 105971176 B CN105971176 B CN 105971176B
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- Prior art keywords
- thin
- steel tube
- concrete
- wall steel
- floor
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method, belong to construction engineering technical field.Concrete folding plate mainly includes concrete floor, two-way stiffener in length and breadth is provided with concrete floor, wherein the bearing of trend of longitudinally reinforced reinforcing bar is identical with the length direction of concrete floor；The horizontal stiffener is fixedly connected with thin-wall steel tube；The concrete floor is protruded from the top of thin-wall steel tube；And the axis of the thin-wall steel tube and the concrete floor length direction identical straight line parallel.Concrete folding plate provided by the present invention, easy to process, cost is cheap, can not only be hollow in the generation of plate position of neutral axis, and realizes the effect that thin-wall steel tube rib can be carried effectively in construction stage and service stage in later stage.
Description
Technical field
The present invention relates to building structure correlative technology field, is to be related to a kind of hollow coagulation of thin-wall steel tube rib specifically
Native superimposed sheet, floor, building and manufacture method.
Background technology
Reinforced concrete laminated floor slab is that a kind of assembling on prefabricated board plus poured one layer of cast-in-place concrete and formed is overall
Formula floor.Assembled integral floor integrates the advantages of cast-in-situ floor and assembled floor, compared to cast-type floor, the building
Plate realizes pre-erection industrialized production, can reduce formwork and concrete construction wet trade amount, shortens construction period；Compared to
Assembled floor, prefabricated panel and the top cast-in-place concrete of the floor are combined into an entirety, floor integral rigidity and antidetonation
Performance greatly improves, therefore for the larger multi storied industrial factory building of some loads, skyscraper and has requirements for fortification against earthquake
Building, can also use this structure type.
Common precast concrete superimposed sheet has plane superimposed sheet, shear connections type superimposed sheet and floor type with ribbing overlapping
The class of plate three.In the superimposed sheet of three types, in the presence of it is different degrees of the defects of, specifically include：
(1) cohesive force between plane superimposed sheet new-old concrete is relatively low, and new-old concrete easily ftractures and pacified
Full problem, and the rigidity of this kind of superimposed sheet is relatively low, the construction stage needs to set temporary support.
(2) shear connections type superimposed sheet sets the shearing resistance of the type such as bar dowel or steel bar girder in plane plate upper surface
Connector, the cohesive force of new-old concrete is enhanced, but the steel using amount of this kind of superimposed sheet is higher, many reinforcing bars invalid are made in the later stage
Into the waste of steel.
(3) floor type superimposed sheet with ribbing sets unidirectional or two-way help and formed in rectangular base plate, prefabricated bottom plate with ribbing
Rib not only adds the rigidity of bottom plate, and the use of temporary support has been reduced or avoided, and adds between new-old concrete
Cohesive force and shearing strength.Solid superimposed sheet deadweight is larger, applies in general to medium and small span.Sky is preferably used compared with large span superimposed sheet
Cardioid superimposed sheet or sandwiched superimposed sheet.Both superimposed sheets can reduce concrete on the premise of rigidity and bearing capacity is ensured
Dosage, mitigate dead load, reduce building cost, make building structure have preferably insulation and sound insulation value.Extensive use
In building construction and science of bridge building.
The rib of common floor type superimposed sheet with ribbing is concrete structure, and cross sectional shape is rectangle and T-shaped two kinds.This kind folded
Plywood is typically conducted oneself with dignity larger, perforate inconvenience and cavity position easily produces crack, causes the internal flaw of superimposed sheet, this kind overlapping
Formwork supporting plate is more during the construction of bottom plates of plate, construction inconvenience.A kind of embodiment of hollow type superimposed sheet is prefabricated panel using circle
Orifice plate, under which it is prefabricated with cast-in-place part not using measure is connected well, for the rigidity and overlapping of guarantee prefabricated panel
The globality of plate, floor is often thicker, deviates the neutral axis of plate from great and circular hole position；Hollow type superimposed sheet it is another
Kind of embodiment is that template is arranged on prefabricated panel, is formed between rear pouring concrete and bottom plate hollow, and which reduces
The prefabricated bond area between cast-in-place part, relatively low easily cut off of adhesion strength between new-old concrete is split, and which
The more construction inconvenience of formwork；The embodiment of sandwiched superimposed sheet is the sandwich of the pre-buried porous light in prefabricated panel, the later stage
Casting concrete forms entirety, in order to ensure the construction complexity 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 weaker, and crack is easily produced between two kinds of materials.Hollow type and
Sandwiched superimposed sheet all has that prefabricated flat board bending rigidity is relatively low, and flat board is thicker, transports frangibility, and span centre need to set branch during construction
The shortcomings of support.
Therefore, a kind of hollow concrete superimposed sheet of new construction how is designed, is those skilled in the art's urgent need to resolve
Problem.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of thin-wall steel tube rib hollow concrete is folded
Plywood.Concrete folding plate provided by the present invention, easy to process, cost is cheap, can not only be produced in plate position of neutral axis empty
The heart, and realize the effect that thin-wall steel tube rib can be carried effectively in construction stage and service stage in later stage.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of thin-wall steel tube rib hollow concrete superimposed sheet, including：
Concrete floor, concrete floor is interior to be provided with two-way stiffener in length and breadth, wherein the extension side of longitudinally reinforced reinforcing bar
To identical with the length direction of concrete floor；
The horizontal stiffener is fixedly connected with thin-wall steel tube；
The bottom of thin-wall steel tube is embedded in the concrete floor, and its top protrudes from the concrete floor；
And the axis of the thin-wall steel tube and the concrete floor length direction identical straight line parallel.
Preferably, the stiffener is reinforced mesh.
Preferably, the stiffener is transverse steel, and the axis of transverse steel is vertical with the axis of thin-wall steel tube.
Preferably, the stiffener also includes longitudinal reinforcement, and longitudinal reinforcement is fixedly connected with transverse steel, thin-wall steel tube
Between adjacent longitudinal reinforcement.
Preferably, the thin-wall steel tube is multiple, adjacent thin-wall steel tube diameter parallel.
Preferably, the section of the thin-wall steel tube is circular, oval, square or polygon.
While above-mentioned superimposed sheet scheme is provided, present invention also offers a kind of floor, the floor includes above-mentioned fold
Plywood, there is rear pouring concrete layer on the concrete floor of the superimposed sheet.
In above-mentioned floor, it is preferred that the thin-wall steel tube is protruded from the coagulation by pouring concrete layer after described
The part of native bottom plate is completely covered.
Meanwhile present invention also offers a kind of building, the building has floor, the floor is above-mentioned floor.
It is main to include following step present invention also offers a kind of manufacture method of above-mentioned superimposed sheet as more preferably scheme
Suddenly：
A, first colligation superimposed sheet bottom reinforcing bar in length and breadth, it is ensured that the thickness of concrete cover of reinforcing bar bottom, by thin-wall steel tube
It is fixedly connected with horizontal stiffener；
B, installation form, casting concrete bottom plate, concrete floor is made to cover stiffener and thin-wall steel tube bottom, but
The concrete poured is highly far below the top of thin-wall steel tube；
C, 12-48 hours are stood, to the concrete setting described in step B, then removes side template.
The beneficial effects of the invention are as follows：
1. thin-wall steel tube rib hollow concrete superimposed sheet of the present invention, its reasonable stress, it is easy to process, from heavy and light,
High capacity, construction stage cast-in-place concrete are convenient, are very good structural elements.
2. the use of thin-wall steel tube generates hollow in floor in the present invention, it is less to reduce stress at plate neutral axis
Concrete, reduce the weight of superimposed sheet.
3. ribbed stiffener of the thin-wall steel tube as superimposed sheet in the present invention, increases the bearing capacity of superimposed sheet, is reduced or avoided
The use of construction stage temporary support.
4. pouring concrete layer can prevent the local buckling of thin-wall steel tube, in service stage in later stage, thin-walled after in the present invention
Steel pipe can still act as the main bearing member of concrete slab, with concrete shared external load.
5. the superimposed sheet in the present invention is during the construction of bottom plates of early stage and the cast in situs in later stage, formwork and support compared with
It is few, it is easy for construction, can easily control hole position and size.
6. employing thin-wall steel tube rib in the present invention, the contact area of superimposed sheet and rear pouring concrete is added, is enhanced
Adhesion strength between new-old concrete.
7. thin-wall steel tube can be as negative reinforcement in last layer and the bearing of distributing bar, after reducing in the present invention
Pour the setting of reinforcing bar in layer.
8. the superimposed sheet in the present invention has the function that good acoustical and thermal.
9. the precast concrete superimposed sheet in the present invention, circuit pipeline can be installed in advance.
Brief description of the drawings
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 the present invention；
Fig. 5 is the cross-sectional view of second of thin-wall steel tube in the present invention；
Fig. 6 is the cross-sectional view of the third thin-wall steel tube in the present invention；
Fig. 7 is the cross-sectional view of the 4th kind of thin-wall steel tube in the present invention；
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 the completion of pouring 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.
Embodiment
Below in conjunction with accompanying drawing, the present invention 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,
The inside of concrete floor 2 has a stiffener, and stiffener can be ready-made reinforced mesh or 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 diameter parallel of the axis of thin-wall steel tube 1 and longitudinal reinforcement 4.
According to different needs, the thin-wall steel tube 1 can be selected as circular, oval, square or equilateral polygon section
One kind.
As preferable scheme, longitudinal reinforcement 4 is distributed on transverse steel 3.
It should be noted that the bottom of the thin-wall steel tube 1 is located in concrete floor 2.
Embodiment 2：A kind of floor, as shown in Fig. 1-Fig. 9, including the superimposed sheet in embodiment 1, the floor pour after also having
The top of thin-wall steel tube 1 is completely covered for concrete layer 5, rear pouring concrete layer 5.
And rear pouring concrete layer 5 pours thickness and should meet the concrete protective of the top edge of thin-wall steel tube 1 and top bars
The requirement of thickness degree.
Embodiment 3：A kind of building, there is the floor described in embodiment 2 in the building.
Embodiment 4:A kind of method for preparing superimposed sheet described in embodiment 1, step are as follows：
A, first colligation baseplate reinforcing bar, on transverse steel 3 welding or colligation connection longitudinal reinforcement 4, and by thin-wall steel tube 1 with
Transverse steel 3 is welded to connect；
B, installation form, casting concrete bottom plate 2, concrete floor 2 is made to cover stiffener, but the concrete poured
Highly it is less than the top of thin-wall steel tube；
C, 12-48 hours are stood, to the concrete setting described in step B, then removes side template.
Overlapping harden structure provided by the present invention, using thin-wall steel tube as ribs, and thin-wall steel tube and superimposed sheet bottom
Reinforcing bar in plate is fixedly connected so that thin-wall steel tube can subtract as negative reinforcement in last layer and the bearing of distributing bar
The setting of reinforcing bar in last layer is lacked.
By taking the floor of thickness 120 as an example.
Using solid concrete floor made of traditional superimposed sheet, Reinforcement is the@150 of Φ 12, and distribution bar is
Φ8@200.Then 1 meter wide 3 meters of long floors, volume of concrete are 0.36 cube, weight 9000.0N；Longitudinal reinforcement weight is
177.5N；Distribution bar weight is 59.2N.Then floor gross weight is 9236.7N.Concrete price calculates by 600 yuan every cube,
Totally 216 yuan of 0.36 cube of concrete；Reinforcing bar price presses 6000 yuan of calculating per ton, and totally 142.Then concrete and reinforcing bar total price totally 358
Member.After deformed bar, Reinforcement can be reduced to the compressor wires of 6@of Φ 100, rolled steel dosage by the@150 of Φ 12
Although reducing, the price of unit steel improves, and adds the tensioning expense of deformed bar, therefore total cost is with using Φ
The regular reinforcement prices of 12@150 are basically identical.
Thickness of slab is overlapped using novel hollow thin-wall steel tube, thin-wall steel tube uses Φ 85x1.0, spacing 500.It is then 1 meter wide 3 meters
Long floor, volume of concrete are 0.325 cube, weight 8149.0N, 195.6 yuan of cost；The weight of 2 thin-wall steel tubes is
125.7N, 75.4 yuan of cost；The concealed beam in floor is served as due to thin-wall steel tube, former Reinforcement, is now distribution bar, can
Using the@200 of Φ 6, weight 59.2N, 35.5 yuan of cost；Former transversely distributed steelbar, it is now steel bar stress, but span only 500mm,
The@200 of Φ 6, weight 59.2N, 35.5 yuan of cost can be used.New Floor Slab gross weight is 8456N, than traditional solid floor weight
Reduce by 10.1%.342.0 yuan of total cost, 4.7% is saved than traditional solid floor.
Meanwhile before being manufactured, because the requirements of building are known, therefore can setting according to building
Meter requires, makes the axis of thin-wall steel tube 1 and neutral overlapping of axles so that floor has higher intensity.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to embodiment will be apparent for those skilled in the art, as defined herein general
Principle can be realized in other embodiments without departing from the spirit or scope of the present invention, is not described in detail
The part presented with partial enlargement, is prior art, herein without repeating.Therefore, the present invention is not intended to be limited to herein
These shown embodiments, and it is to fit to the most wide scope consistent with principles disclosed herein and feature.
Claims (7)
- A kind of 1. thin-wall steel tube rib hollow concrete superimposed sheet, it is characterised in that including：Concrete floor, in concrete floor It is identical with the length direction of concrete floor provided with two-way stiffener in length and breadth, the bearing of trend of longitudinally reinforced reinforcing bar；The horizontal stroke It is fixedly connected to stiffener with thin-wall steel tube；The concrete floor is protruded from the top of thin-wall steel tube；And the Steel Thin-Wall The axis of pipe and the concrete floor length direction identical straight line parallel；The stiffener is reinforced mesh；The stiffener includes transverse steel, and the axis of transverse steel is vertical with the axis of thin-wall steel tube；The stiffener also includes longitudinal reinforcement, and longitudinal reinforcement is fixedly connected with transverse steel, and thin-wall steel tube is positioned at adjacent Between longitudinal reinforcement.
- 2. thin-wall steel tube rib hollow concrete superimposed sheet according to claim 1, it is characterised in that the thin-wall steel tube is Multiple, adjacent thin-wall steel tube diameter parallels.
- 3. thin-wall steel tube rib hollow concrete superimposed sheet according to claim 1, it is characterised in that the thin-wall steel tube Section is circular, ellipse or polygon.
- 4. a kind of floor, it is characterised in that the floor includes the superimposed sheet described in claim any one of 1-3, and the overlapping There is rear pouring concrete layer on the concrete floor of plate.
- 5. floor according to claim 4, it is characterised in that pouring concrete layer is by the protrusion of the thin-wall steel tube after described It is completely covered in the part of the concrete floor.
- 6. a kind of building, the building has floor, it is characterised in that the floor is the building described in claim 4 or 5 Plate.
- 7. a kind of manufacture method of the thin-wall steel tube rib hollow concrete superimposed sheet described in any one of manufacturing claims 1-3, its It is characterised by, step is as follows：A, first colligation superimposed sheet bottom reinforcing bar in length and breadth, it is ensured that the thickness of concrete cover of reinforcing bar bottom, and by thin-wall steel tube with Horizontal stiffener is fixedly connected；B, installation form, casting concrete bottom plate, makes concrete floor cover stiffener, but the concrete poured is highly low In the top of thin-wall steel tube；C, 12-48 hours are stood, to the concrete setting described in step B, then removes side template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473623.XA CN105971176B (en) | 2016-06-24 | 2016-06-24 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473623.XA CN105971176B (en) | 2016-06-24 | 2016-06-24 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method |
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| Publication Number | Publication Date |
|---|---|
| CN105971176A CN105971176A (en) | 2016-09-28 |
| CN105971176B true CN105971176B (en) | 2018-01-09 |
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| CN201610473623.XA Expired - Fee Related CN105971176B (en) | 2016-06-24 | 2016-06-24 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor, building and manufacture method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN109594711A (en) * | 2018-12-11 | 2019-04-09 | 山东建筑大学 | A kind of integrated precast component, sandwich hollow slab and preparation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20102996U1 (en) * | 2001-02-20 | 2001-06-13 | Bauer Achim | Interior flooring |
| KR200400855Y1 (en) * | 2005-08-26 | 2005-11-09 | 노영곤 | Half slab having hollow structure |
| CN201206293Y (en) * | 2008-04-29 | 2009-03-11 | 长春工程学院 | Wide span pre-stress hollow superimposed sheet |
| CN202689278U (en) * | 2012-05-24 | 2013-01-23 | 韩忠民 | Superimposed hollow slab |
| CN205857492U (en) * | 2016-06-24 | 2017-01-04 | 山东大学 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
-
2016
- 2016-06-24 CN CN201610473623.XA patent/CN105971176B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20102996U1 (en) * | 2001-02-20 | 2001-06-13 | Bauer Achim | Interior flooring |
| KR200400855Y1 (en) * | 2005-08-26 | 2005-11-09 | 노영곤 | Half slab having hollow structure |
| CN201206293Y (en) * | 2008-04-29 | 2009-03-11 | 长春工程学院 | Wide span pre-stress hollow superimposed sheet |
| CN202689278U (en) * | 2012-05-24 | 2013-01-23 | 韩忠民 | Superimposed hollow slab |
| CN205857492U (en) * | 2016-06-24 | 2017-01-04 | 山东大学 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
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| CN105971176A (en) | 2016-09-28 |
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