CN208415690U - A kind of steel ripple crust and prestressed concrete combination beam - Google Patents
A kind of steel ripple crust and prestressed concrete combination beam Download PDFInfo
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- CN208415690U CN208415690U CN201820558144.2U CN201820558144U CN208415690U CN 208415690 U CN208415690 U CN 208415690U CN 201820558144 U CN201820558144 U CN 201820558144U CN 208415690 U CN208415690 U CN 208415690U
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Abstract
The utility model proposes a kind of steel ripple crust and prestressed concrete combination beam, including steel ripple crust, prestress wire and concrete layer, steel ripple crust includes top flange, lower flange, corrugated web and end web；Two top flanges or so parallel arrangement, by at least one top flange, connector is connected between top flange, two lower flanges or so parallel arrangement, by at least one lower flange, connector is connected between lower flange, top flange and lower flange are arranged in parallel up and down, and corrugated web is set between top flange and lower flange, and end web is set to the end of corrugated web, and be set up between top flange and lower flange, to surround hollow rectangular-shaped steel ripple crust；Prestress wire is set in steel ripple crust, and steel ripple crust is run through with the length direction of steel ripple crust, a kind of steel ripple crust and prestressed concrete combination beam with good shearing resistance, antidetonation, fire resisting and economy is proposed to form concrete layer filled with concrete in steel ripple crust.
Description
Technical field
The utility model belongs to building structure technology field, and in particular to a kind of steel ripple crust and prestressed concrete local soil type
Close beam.
Background technique
It is generally known that building structure aseismatic is set up defences target be no damage in small earthquake, middle shake can repair, shake greatly it is not bad.For frame knot
It for structure, needs to accomplish strong shear capacity and weak bending capacity, the purpose is to allow structure to have enough ductility in big shake, to consume energy when big shake
Amount guarantees no collapsing with strong earthquake.
Existing prestressed steel reinforced concrete beam, shear-carrying capacity calculation formula are V≤а cv*ft*b*ho+fyv*
Asv/s*ho+0.05NPo, by the formula it is found that the shearing resistance effect of stirrup is calculated by the tensile strength design value of stirrup, prestressing force
Muscle not only can be enhanced the bending resistance of beam, at the same can also strengthened beam shear resistance.
Existing Ripple Sternum concrete combination beam is the combination of concrete flange plate and Ripple Sternum composition
The shearing of beam, beam is undertaken by corrugated web, when corrugated web without flexing before surrender, the shear-carrying capacity of corrugated web
For the shearing strength design value that V≤fv*hw*tw.fv is web steel, and the shearing strength design value of steel is only tensile strength
0.58 times or so of design value." accordion " effect based on corrugated web, Ripple Sternum concrete combination beam work as frame
Liang Shi has preferable ductility and energy consumption effect.
Existing corrugated steel web combined box beam is by concrete roof and floor, external prestressing steels and corrugated web three
It constitutes, box beam is hollow, non-casting concrete, compared with normal concrete web box girder, has from good excellent of heavy and light, anti-seismic performance
Point, but it is generally used for bridge structure, it is not used in building structure field.
Our company tries in the structural finite element analysis and shearing resistance for carrying out quadrangle steel pipe, broken line type side plate and concrete combination column
Discovery when testing: corrugated plating and Combined concrete, shear resistance, which has, significantly to be promoted, and shear-carrying capacity is anti-greater than corrugated plating itself
Cut bearing capacity and concrete itself shear-carrying capacity and, because of the mutual effect of contraction of corrugated plating and concrete, corrugated plating resists
Cutting bearing capacity can be by the calculation of Tensile Strength of steel.And after corrugated plating and Combined concrete, have than ordinary reinforced concrete component
There is better ductility.
Utility model content
The purpose of this utility model is that proposing a kind of with good shearing resistance, antidetonation, fire resisting and economic convenient and fast steel
Ripple crust and prestressed concrete combination beam.
In order to achieve the above objectives, the utility model proposes a kind of steel ripple crusts and prestressed concrete combination beam, including
Steel ripple crust, prestress wire and concrete layer；Wherein, the steel ripple crust includes top flange, lower flange, ripple abdomen
Plate and end web；Two described top flanges or so are arranged in parallel, and pass through at least one top flange connector between the top flange
It is connected, two described lower flanges or so are arranged in parallel, and are connected between the lower flange by least one lower flange connector
It connects, the top flange and lower flange are arranged in parallel up and down, and the corrugated web is set between the top flange and lower flange, described
End web is set to the end of the corrugated web, and is set up between the top flange and lower flange, to surround hollow rectangle
Shape steel ripple crust；The prestress wire is set in the steel ripple crust, and with the length of the steel ripple crust
The steel ripple crust is run through in direction；Filled with concrete to form the concrete layer in the steel ripple crust.
Preferably, the top flange and lower flange are elongate steel plate, including angle steel, channel steel or steel pipe, and left and right is parallel
There are the gaps of casting concrete between the top flange being arranged.
Preferably, the corrugated web be steel plate cold bending it is corrugated or wavy, point or so parallel 2 groups, and with it is described
Top flange and lower flange are arranged vertically, and are connected by welding and are connect with the top flange and lower flange.
Preferably, the end web is set to the end for being set to the combination beam；The end web is the flat steel thickeied
Plate, corrugated steel plate or wavy steel plate；The end web includes that left and right is two groups parallel, and the end web and the upper limb
Edge and lower flange are arranged vertically, and are connected by welding and are connect with the top flange and lower flange.
Preferably, the top flange connector is steel member, perpendicular between two top flanges of left and right parallel arrangement；Institute
Stating top flange connector is plain plate, angle steel or channel steel.
Preferably, the lower flange connector is steel member, perpendicular between two lower flanges of left and right parallel arrangement；Institute
Stating lower flange connector is plain plate, angle steel or channel steel.
Preferably, the prestress wire is made of at least two three strands of steel strand wires or seven strands of steel strand wires, described pre- to answer
Power steel strand wires are arranged to fold-line-shaped or curved shape according to the bending moment envelope diagram of beam.
Preferably, longitudinal reinforcement is equipped in the combination beam, with the steel ripple crust, prestress wire and concrete
The common carrying of layer.
Compared with prior art, the utility model is advantageous in that: the utility model given full play to hot-strip,
The advantages of each materials such as clod wash steel, concrete, presstressed reinforcing steel, has better shearing resistance and antidetonation than normal reinforced concrete beam
Performance has better bending resistance shearing resistance and fire resistance than corrugated sternum H-shaped steel composite beam.
Steel corrugated web is mutually constrained with concrete web, effectively improves the shear resistance of beam, and increases the antidetonation consumption of beam
It can ability.
The production of steel ripple crust factory, on-site hoisting is simple and easy, and in the construction stage, steel ripple crust bears construction lotus
It carries, is not necessarily to shuttering supporting, greatlys save construction cost；
Entire work progress greatly reduces the working face of high-altitude application, reduces high-altitude and other dangerous operation modes,
Safety greatly improves；
The utility model can prevent and treat distress in concrete using slightly expanded concrete, improve concrete performance, wherein addition
Tungstates is a kind of negative thermal expansion material, can effectively overcome concrete crack as caused by rising-heat contracting-cold.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of steel ripple crust and prestressed concrete combination beam in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of steel ripple crust and prestressed concrete combination beam in an embodiment of the present invention；
Fig. 3 is the side elevational view of steel ripple crust and prestressed concrete combination beam in an embodiment of the present invention.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is further described.
The utility model proposes a kind of steel ripple crust and prestressed concrete combination beam, including steel ripple crust 1, answer in advance
Power steel strand wires 2 and concrete layer, wherein steel ripple crust 1 includes top flange 11, lower flange 12, corrugated web 13 and end web
14, two top flanges 11 or so are arranged in parallel, and are connected between top flange 11 by least one top flange connector 15, and two
Lower flange 12 or so is arranged in parallel, and is connected between lower flange 12 by least one lower flange connector, and top flange 11 is under
About 12 edge of a wing is arranged in parallel, and corrugated web 13 is set between top flange 11 and lower flange 12, and end web 14 is set to corrugated web
13 end, and be set up between top flange 11 and lower flange 12, to surround hollow rectangular-shaped steel ripple crust 1；Prestressing force
Steel strand wires 2 are set in steel ripple crust 1, and run through steel ripple crust 1 with the length direction of steel ripple crust 1；Steel ripple first
Filled with concrete to form concrete layer in shell 1.
In the present embodiment, top flange 11 and lower flange 12 are elongate steel plate, including angle steel, channel steel or steel pipe, a left side
There are the gaps of casting concrete between right top flange 11 disposed in parallel.
In the present embodiment, corrugated web 13 be steel plate cold bending it is corrugated or wavy, point or so parallel 2 groups, and with
Top flange 11 and lower flange 12 are arranged vertically, and are connected by welding and are connect with top flange 11 and lower flange 12.
In the present embodiment, end web 14 is set to set on the end of combination beam；End web 14 is the plain plate thickeied, ripple
Shape steel plate or wavy steel plate；End web 14 is two groups parallel including left and right, and end web 14 and top flange 11 and lower flange 12
It is arranged vertically, is connected by welding and connects with top flange 11 and lower flange 12.
In the present embodiment, 11 connector of top flange is steel member, perpendicular to two top flanges 11 of left and right parallel arrangement
Between；11 connector of top flange is plain plate, angle steel or channel steel.
In the present embodiment, 12 connector of lower flange is steel member, perpendicular to two lower flanges 12 of left and right parallel arrangement
Between；12 connector of lower flange is plain plate, angle steel or channel steel.
In the present embodiment, prestress wire 2 is made of at least two three strands of steel strand wires or seven strands of steel strand wires, prestressing force
Steel strand wires are arranged to fold-line-shaped or curved shape according to the bending moment envelope diagram of beam.
In the present embodiment, longitudinal reinforcement is equipped in combination beam, with steel ripple crust, prestress wire and concrete layer
Common carrying.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model；
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (8)
1. a kind of steel ripple crust and prestressed concrete combination beam, which is characterized in that including steel ripple crust, prestress steel twist
Line and concrete layer；Wherein, the steel ripple crust includes top flange, lower flange, corrugated web and end web；Two it is described on
Edge of a wing or so is arranged in parallel, and is connected between the top flange by least one top flange connector, two lower flanges
Left and right is arranged in parallel, and is connected between the lower flange by least one lower flange connector, the top flange and lower flange
Parallel arrangement up and down, the corrugated web are set between the top flange and lower flange, and the end web is set to the ripple abdomen
The end of plate, and be set up between the top flange and lower flange, to surround hollow rectangular-shaped steel ripple crust；It is described pre- to answer
Power steel strand wires are set in the steel ripple crust, and run through the steel ripple first with the length direction of the steel ripple crust
Shell；Filled with concrete to form the concrete layer in the steel ripple crust.
2. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the top flange
It is elongate steel plate, including angle steel, channel steel or steel pipe with lower flange, there are pour between the top flange disposed in parallel of left and right
Build the gap of concrete.
3. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the ripple abdomen
Plate is that steel plate cold bending is corrugated or wavy, point or so parallel 2 groups, and be arranged vertically with the top flange and lower flange, with
The top flange and lower flange, which are connected by welding, to be connect.
4. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the end web
Set on the end set on the combination beam；The end web is plain plate, corrugated steel plate or the wavy steel plate thickeied；
The end web includes that left and right is two groups parallel, and the end web is arranged vertically with the top flange and lower flange, and described
Top flange and lower flange, which are connected by welding, to be connect.
5. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the top flange
Connector is steel member, perpendicular between two top flanges of left and right parallel arrangement；The top flange connector is plain plate, angle
Steel or channel steel.
6. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the lower flange
Connector is steel member, perpendicular between two lower flanges of left and right parallel arrangement；The lower flange connector is plain plate, angle
Steel or channel steel.
7. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the prestressing force
Steel strand wires are made of at least two three strands of steel strand wires or seven strands of steel strand wires, and the prestress wire is according to the moment of flexure envelope of beam
Figure, is arranged to fold-line-shaped or curved shape.
8. steel ripple crust according to claim 1 and prestressed concrete combination beam, which is characterized in that the combination beam
It is interior to be equipped with longitudinal reinforcement, it is carried jointly with the steel ripple crust, prestress wire and concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820558144.2U CN208415690U (en) | 2018-04-19 | 2018-04-19 | A kind of steel ripple crust and prestressed concrete combination beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820558144.2U CN208415690U (en) | 2018-04-19 | 2018-04-19 | A kind of steel ripple crust and prestressed concrete combination beam |
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| CN208415690U true CN208415690U (en) | 2019-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316554A (en) * | 2018-04-19 | 2018-07-24 | 上海欧本钢结构有限公司 | A kind of steel ripple crust and prestressed concrete combination beam and its construction method |
| CN112482661A (en) * | 2020-11-05 | 2021-03-12 | 江南大学 | Corrugated steel-concrete composite beam wrapped outside wave, and construction method and application thereof |
-
2018
- 2018-04-19 CN CN201820558144.2U patent/CN208415690U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316554A (en) * | 2018-04-19 | 2018-07-24 | 上海欧本钢结构有限公司 | A kind of steel ripple crust and prestressed concrete combination beam and its construction method |
| CN112482661A (en) * | 2020-11-05 | 2021-03-12 | 江南大学 | Corrugated steel-concrete composite beam wrapped outside wave, and construction method and application thereof |
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