CN203403596U - Continuous flanged beam with corrugated steel web steel structure - Google Patents
Continuous flanged beam with corrugated steel web steel structure Download PDFInfo
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- CN203403596U CN203403596U CN201320434953.XU CN201320434953U CN203403596U CN 203403596 U CN203403596 U CN 203403596U CN 201320434953 U CN201320434953 U CN 201320434953U CN 203403596 U CN203403596 U CN 203403596U
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- wavelike
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Abstract
The utility model relates to a flanged beam, and discloses a continuous flanged beam with a corrugated steel web steel structure, wherein a beam body comprises a corrugated steel web, an upper flange steel plate and a lower flange steel plate; the corrugated steel web (2) is arranged between the upper flange steel plate (1) and the lower flange steel plate (3); the upper flange steel plate (1) and the corrugated steel web (2) are connected through welding; the corrugated steel web (2) and the lower flange steel plate (3) are connected through welding, single beam body structures are connected by one or combination of more selected from a connecting end or a steel rope (5), so as to form a continuous beam structure. The rigidity of a cross section and the strength of the connecting end of the beam body disclosed by the utility model are high, the waveform of the web is composed of three parts, namely, a linear section, a transition section and an arc section, wherein the linear section and the arc section can be effectively connected by the transition section, the problem of stress concentration caused when the linear section is directly connected with the arc section is solved, consequently, the total structural strength of the continuous flanged beam is improved, and the service life of the flanged beam is prolonged.
Description
Technical field
The utility model relates to i beam, has related in particular to the continuous i beam of a kind of Wavelike steel webplate steel work.
Background technology
At present, traditional i beam or steel case beam be according to the requirement of shearing resistance flexing, and the ratio of height to thickness of web is generally in 100:1 left and right, and trapezoidal waveform steel web is due to extremely strong shearing resistance and anti-flexural property, its ratio of height to thickness can reach 300:1 and more than.The Wavelike steel webplate adopting in existing Wavelike steel webplate i beam, the waveform of its web is all comprised of straightway and arc section, easily produces stress concentrate in the coupling part of straightway and arc section.
Summary of the invention
The utility model is poor for i beam shear behavior in prior art, total easily produces stress and concentrates, affect the shortcomings such as life-span of structure, provide a kind of cross section rigidity of beam body and the intensity of link high, the waveform of web consists of straightway, changeover portion, arc section three parts, wherein changeover portion can effectively connect straightway and arc section, the Wavelike steel webplate steel work freely-supported i beam of the concentrated problem of stress when solving straightway and being directly connected with arc section.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
The continuous i beam of Wavelike steel webplate steel work, beam body comprises a Wavelike steel webplate, top flange steel plate, bottom flange steel plate, described Wavelike steel webplate is arranged between top flange steel plate and bottom flange steel plate, top flange steel plate and Wavelike steel webplate are by being welded to connect, Wavelike steel webplate and bottom flange steel plate are by being welded to connect, between single girder construction by one or more be connected in link or steel strand cable, form beam structure, Wavelike steel webplate surface roughness is 50-1000 μ m.
As preferably, the thickness of described Wavelike steel webplate is 2-30mm.
As preferably, the thickness of described Wavelike steel webplate is 2-100mm.
As preferably, described top flange steel plate, bottom flange steel surface roughness are 70-350 μ m.High roughness can obviously increase the adhesive power of coating.
As preferably, described Wavelike steel webplate is the continuous ladder twists and turns steel plate with changeover portion and circular arc-shaped corner, and changeover portion is between straightway and circular arc-shaped corner, and circular arc-shaped corner radius is r, and the radius of changeover portion is R, and R is gradual change radius, and R is ∞-r.The changeover portion one end that is connected with straightway, radius is that R is that trend is infinitely great; The changeover portion one end that is connected with circular arc-shaped corner, radius is that R is that trend equals r, and therefore, by straightway, to circular arc-shaped corner, the radius R of changeover portion equals r for being decreased to gradually from infinity, thereby makes the smooth transition more of straightway and circular arc-shaped corner, and minimizing stress is concentrated.The waveform of web consists of straightway, changeover portion, arc section three parts, wherein changeover portion can effectively connect straightway and circular arc-shaped corner, when solution straightway is directly connected with arc section, the concentrated problem of stress, is suitable for industrial mass manufacture, and mould and manufacturing cost are lower.
As preferably, described Wavelike steel webplate is L along the point of contact wire length of wave height direction
aB, along the point of contact wire length of wavelength direction, be L
bC, L
aB>=L
bC.Wavelike steel webplate equals or is slightly larger than the point of contact wire length along wavelength direction, i.e. L along the point of contact wire length of wave height direction
aB>=L
bCdesign make the shear strength of corrugated sheet steel and steel using amount reach good cost performance, if wavelength direction is long, i.e. L
bC>=L
aBshear behavior obviously reduces, and wavelength direction is too short, and steel using amount obviously increases.Therefore, adopt L
aB>=L
bCdesign, can either, guaranteeing shear strength, can reduce rolled steel dosage again as far as possible.
As preferably, described link comprises that one end of beam body is provided with plug, and the other end is provided with jack, between adjacent beams body, by plug and jack, is connected.
As preferably, described plug is provided with barb, and jack is concave.
As preferably, described plug is cylinder, and jack is the hollow cannula coordinating with plug.One end of i beam is provided with plug, and the other end is provided with jack, between adjacent i beam, by plug and jack, is connected.By plug, coordinate with jack, form continuous structure, under can effectively prevent from overloading car and large load action or the phenomenon that drops of the beam body under geological process.
As preferably, the thickness of described top flange steel plate is greater than or less than the thickness of bottom flange steel plate.Because considering flexing in pressure zone, flexing need not be considered in tensile region, so traditional tensile region is identical with the steel using amount of pressure zone or section area, make tensile region part have the function phenomenon of having more than needed, it is science and uneconomic not, pressure zone steel using amount suitably increases, and is conducive to the pressurized of member, the function of tension part is given full play to, and reaches higher cost performance.When the thickness of top flange steel plate is greater than the thickness of bottom flange steel plate, it is common i beam, and top flange steel plate bears pressure; When the thickness of top flange steel plate is less than the thickness of bottom flange steel plate, it is semi girder, and bottom flange steel plate bears pressure.
As preferably, described top flange steel plate, bottom flange steel plate are arch along Wavelike steel webplate wavelength direction.Top flange steel plate, bottom flange steel plate are arch, are conducive to member stress, offset the downwarp of carrying situation lower member, improve the overall construction intensity of i beam.
As preferably, described link is high-strength bolt, weldment.
This patent Wavelike steel webplate, in height be more than or equal to the height of the web of the straight web plate steel box girder of tradition that same area identical function can replace each other and combining structure, the thickness of the straight web plate steel box girder of tradition that little same area identical function can be replaced each other on thickness and the web of combining structure.The increase of Wavelike steel webplate deck-molding, although increased the consumption of Wavelike steel webplate, it is very little that but thinner Wavelike steel webplate use amount itself increases, but deck-molding increases the radius of gyration and the bending resistance that is greatly conducive to upper and lower frange plate or roof and floor, be conducive to improve rigidity and the stability of member.
The utility model is owing to having adopted above technical scheme, there is significant technique effect: the cross section rigidity of the utility model beam body and the intensity of link are high, the waveform of web consists of straightway, changeover portion, arc section three parts, wherein changeover portion can effectively connect straightway and arc section, the concentrated problem of stress when solution straightway is directly connected with arc section, improve the overall construction intensity of continuous i beam, extended the application life of i beam.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the middle waveform steel web structure schematic diagram of Fig. 1.
Fig. 3 is the I portion enlarged drawing of Fig. 2.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the connection diagram between adjacent continuous beam.
Fig. 6 is II portion enlarged drawing in Fig. 5.
Fig. 7 is III portion enlarged drawing in Fig. 5.
The toponym that in upper accompanying drawing, each number designation refers to is as follows: wherein 1-top flange steel plate, 2-Wavelike steel webplate, 3-bottom flange steel plate, 5-steel strand cable, 21-circular arc-shaped corner, 22-changeover portion, 23-straightway, 24-plug, 25-jack.
The specific embodiment
Below in conjunction with accompanying drawing 1 to Fig. 7 and embodiment, the utility model is described in further detail:
The continuous i beam of Wavelike steel webplate steel work, as shown in Figures 1 to 6, beam body comprises a Wavelike steel webplate 2, top flange steel plate 1, bottom flange steel plate 3, described Wavelike steel webplate 2 is arranged between top flange steel plate 1 and bottom flange steel plate 3, top flange steel plate 1 and Wavelike steel webplate 2 are by being welded to connect, Wavelike steel webplate 2 and bottom flange steel plate 3 are by being welded to connect, between single girder construction by one or more be connected in link or steel strand cable 5, form beam structure, Wavelike steel webplate 2 surface roughnesses are 50-1000 μ m.Wavelike steel webplate surface roughness is respectively 50 μ m, 80 μ m, 120 μ m, 160 μ m, 210 μ m, 310 μ m, 380 μ m, 420 μ m, 600 μ m, 820 μ m, 950 μ m, different roughness, different bonding strengths can be provided, roughness is larger, and Wavelike steel webplate 1 is stronger with the adhesion of concrete or coating.The thickness of Wavelike steel webplate is 2-100mm.The thickness of Wavelike steel webplate can be any one in 8mm, 13mm, 18mm, 23mm, 34mm, 41mm, 45mm, 50mm, 62mm, 76.1mm, 82.9mm, 96mm.
Top flange steel plate 1, bottom flange steel plate 3 surface roughnesses are 70-350 μ m.High roughness can obviously increase the adhesive power of coating.
Link comprises that one end of beam body is provided with plug 24, and the other end is provided with jack 25, between adjacent beams body, by plug 24 and jack 25, is connected.
The thickness of top flange steel plate 1 is greater than or less than the thickness of bottom flange steel plate 3.Because considering flexing in pressure zone, flexing need not be considered in tensile region, so traditional tensile region is identical with the steel using amount of pressure zone or section area, make tensile region part have the function phenomenon of having more than needed, it is science and uneconomic not, pressure zone steel using amount suitably increases, and is conducive to the pressurized of member, the function of tension part is given full play to, and reaches higher cost performance.When the thickness of top flange steel plate 1 is greater than the thickness of bottom flange steel plate 3, it is common i beam, and top flange steel plate 1 bears pressure; When the thickness of top flange steel plate 1 is less than the thickness of bottom flange steel plate 3, it is semi girder, and bottom flange steel plate 2 bears pressure.
Top flange steel plate 1, bottom flange steel plate 3 are arch along Wavelike steel webplate 2 wavelength direction.Top flange steel plate 1, bottom flange steel plate 3 are arch, are conducive to member stress, offset the downwarp of carrying situation lower member, improve the overall construction intensity of i beam.
As shown in Fig. 1 to Fig. 5,7, the difference of the present embodiment and embodiment 1 is: plug 24 is provided with barb, and jack 25 is concave.The thickness of top flange steel plate 1 is less than the thickness of bottom flange steel plate 3.Now, bottom flange steel plate 3 is as pressure-bearing surface, and its main form of structure is semi girder.Link is high-strength bolt, weldment.The utility model can also link together adjacent case beam by high-strength bolt, or by weldment by adjacent box beam Welding together.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (10)
1. the continuous i beam of Wavelike steel webplate steel work, beam body comprises a Wavelike steel webplate (2), top flange steel plate (1), bottom flange steel plate (3), it is characterized in that: described Wavelike steel webplate (2) is arranged between top flange steel plate (1) and bottom flange steel plate (3), top flange steel plate (1) and Wavelike steel webplate (2) are by being welded to connect, Wavelike steel webplate (2) and bottom flange steel plate (3) are by being welded to connect, between single girder construction by one or more be connected in link or steel strand cable (5), form beam structure, Wavelike steel webplate (2) surface roughness is 50-1000 μ m.
2. the continuous i beam of Wavelike steel webplate steel work according to claim 1, is characterized in that: described top flange steel plate (1), bottom flange steel plate (3) surface roughness are 70-350 μ m.
3. the continuous i beam of Wavelike steel webplate steel work according to claim 1, it is characterized in that: described Wavelike steel webplate (2) is the continuous ladder twists and turns steel plate of band changeover portion (22) and circular arc-shaped corner (21), changeover portion (22) is positioned between straightway (23) and circular arc-shaped corner (21), circular arc-shaped corner (21) radius is r, the radius of changeover portion (22) is R, R is gradual change radius, and R is ∞-r.
4. the continuous i beam of Wavelike steel webplate steel work according to claim 1, is characterized in that: described Wavelike steel webplate (2) is L along the point of contact wire length of wave height direction
aB, along the point of contact wire length of wavelength direction, be L
bC, L
aB>=L
bC.
5. the continuous i beam of Wavelike steel webplate steel work according to claim 1, it is characterized in that: described link comprises that one end of beam body is provided with plug (24), the other end is provided with jack (25), between adjacent beams body, by plug (24) and jack (25), is connected.
6. the continuous i beam of Wavelike steel webplate steel work according to claim 5, is characterized in that: described plug (24) is provided with barb, and jack (25) is concave.
7. the continuous i beam of Wavelike steel webplate steel work according to claim 5, is characterized in that: described plug (24) is cylinder, and jack (25) is the hollow cannula coordinating with plug (24).
8. the continuous i beam of Wavelike steel webplate steel work according to claim 5, is characterized in that: the thickness of described top flange steel plate (1) is greater than or less than the thickness of bottom flange steel plate (3).
9. the continuous i beam of Wavelike steel webplate steel work according to claim 1, is characterized in that: described top flange steel plate (1), bottom flange steel plate (3) are arch along Wavelike steel webplate (2) wavelength direction.
10. the continuous i beam of Wavelike steel webplate steel work according to claim 1, is characterized in that: described link is high-strength bolt, weldment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434953.XU CN203403596U (en) | 2013-07-18 | 2013-07-18 | Continuous flanged beam with corrugated steel web steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434953.XU CN203403596U (en) | 2013-07-18 | 2013-07-18 | Continuous flanged beam with corrugated steel web steel structure |
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| Publication Number | Publication Date |
|---|---|
| CN203403596U true CN203403596U (en) | 2014-01-22 |
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ID=49939535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320434953.XU Expired - Fee Related CN203403596U (en) | 2013-07-18 | 2013-07-18 | Continuous flanged beam with corrugated steel web steel structure |
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| CN (1) | CN203403596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617934A (en) * | 2019-10-08 | 2019-12-27 | 江西洪都航空工业集团有限责任公司 | Method for measuring torsional wave of flange I-beam with different thicknesses |
-
2013
- 2013-07-18 CN CN201320434953.XU patent/CN203403596U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617934A (en) * | 2019-10-08 | 2019-12-27 | 江西洪都航空工业集团有限责任公司 | Method for measuring torsional wave of flange I-beam with different thicknesses |
| CN110617934B (en) * | 2019-10-08 | 2021-08-20 | 江西洪都航空工业集团有限责任公司 | Method for measuring torsional wave of flange I-beam with different thicknesses |
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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 |
Granted publication date: 20140122 Termination date: 20180718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |