CN201436336U - Double web plates beam with corrugations - Google Patents
Double web plates beam with corrugations Download PDFInfo
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- CN201436336U CN201436336U CN2009200751096U CN200920075109U CN201436336U CN 201436336 U CN201436336 U CN 201436336U CN 2009200751096 U CN2009200751096 U CN 2009200751096U CN 200920075109 U CN200920075109 U CN 200920075109U CN 201436336 U CN201436336 U CN 201436336U
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Abstract
The utility model belongs to the building section bar technology field, concretely relates to a double web plates beam with corrugations. Wherein, the section mouth is composed of middle web plates, and an upper and a lower wing rim connecting body; the upper wing rim is parallel with the lower wing rim; the double web plates is disposed between the upper wing rim and the lower wing rim while is perpendicular to the wing rims; the double web plates having honeycomb structures are arranged symmetrically; the web plates and the wing rims are connected by single-side fillet weld; the web plates have uniform or non-uniform periodic repeated corrugations on the length direction; and the section of the corrugation is arc angled trapezoid and sine curve. The product can substitute common welding box shaped girder steel and hot-rolled H-shaped section steel, has wider uses, can realize macro-scale operations used in special field or at special place including building large span bridge and manufacturing ship.
Description
Technical field
The utility model belongs to the architectural shape technical field, is specifically related to a kind of ripple twin webbed t beam.
Background technology
The similar building structural element that can adopt in similar field at present comprises hot rolling i iron, hot rolled H-shaped, hot-rolled square steel pipe, welded H section steel, Welded trunk beams and Ripple Sternum etc.
Wherein hot rolling i iron, hot rolled H-shaped, hot-rolled square steel pipe, welded H section steel etc. adopt flat plate as flat web, and the less stable of plain plate itself, so its shear-carrying capacity is lower, therefore need to strengthen web thickness to obtain higher capacity, cause the web steel using amount excessive, caused the waste of steel.
Weldable steel case beam adopts four block plates to be welded, and wherein two block plates are as web, parallel placement, and two blocks of frange plates are vertical with abdomen, and the edge of a wing is parallel to each other, and the edge of a wing and web are by being welded to connect.This member has been optimized the performance of member to a certain extent, especially section is box-shaped, side direction non-deformability and whole anti-torsion ability to member all are significantly increased, but because it still adopts plain plate as web, so the web steel using amount is still bigger.
The hot-rolled square steel pipe is subjected to the restriction of processing technology and process equipment, the difficult maximization that realizes product, and when desired supporting capacity and rigidity were big, traditional product was difficult to meet the demands.
Adopt single corrugated steel to make the welding Ripple Sternum, effectively utilized rigidity outside the good plane of corrugated steel, anti-flexing supporting capacity and higher fatigue strength, can be used as the favorable substitutes of common i-shape component as web.But,, the lateral deformation ability of member and whole anti-torsion ability significantly improve so there is no because its section is still opening form.
All there are strict requirements to the web ratio of height to thickness of welded H section steel and weldable steel case beam for the existing norm of steel structure of China (GB50017-2003), after surpassing a threshold value, need to adopt certain method web to be strengthened as the welding stiffening rib, will increase labor content like this, and welding procedure adverse effect such as can cause that also stress is concentrated, and be difficult to realize automated production.
In sum, the ripple twin webbed t beam of studying a kind of with low cost, superior performance, long service life is those skilled in the art's a goal in research.
The utility model content
The purpose of this utility model is to provide the ripple twin webbed t beam of a kind of with low cost, superior performance, long service life.
The ripple twin webbed t beam that the utility model proposes, its section shape of the mouth as one speaks be by two blocks of steel webs 2 in middle part and web 3, and top flange 1, bottom flange 4 form, and its structure as shown in Figure 1.Wherein, top flange 1 is parallel with bottom flange 4, and vertically between top flange 1 and bottom flange 4, the section of web 2 and web 3 is the waveform that even or inhomogeneous periodicity repeats respectively for web 2 and web 3 difference, this ripple section is the trapezoidal or sine curve of arc chord angle, sees Fig. 2, Fig. 3 respectively.
In the utility model, the inclination angle of the trapezoidal oblique line section that described arc chord angle is trapezoidal is 30 °--90 °.
In the utility model, be respectively the single face fillet weld between described web 2 and top flange 1 or the bottom flange 4.
In the utility model, be respectively the single face fillet weld between described web 3 and top flange 1 or the bottom flange 4.
In the utility model, described web 2 and web 3 symmetries are placed, and are cellular section structure.
In the utility model, the density of web 2 and web 3 ripples and height can change as requested.
In the utility model, described ripple section is the trapezoidal and sine curve of arc chord angle.The trapezoidal employing numerical control bending of described arc chord angle technology is made, and sine curve adopts numerical control roll-in technology to make.Wherein, trapezoidal arc transition make web 2 and web 3 herein stress flow transmit smoothly, avoided the complex stress condition of web 2, web 3.And web 2, web 3 ripple corners are arc transition, and the welding gun walking smoothly is easy to guarantee welding quality when making the welding of web and edge of a wing steel plate, avoids weld stress to concentrate.
In the utility model, web 2 and web 3 also can be realized the placement of any relative position according to the design needs.
The utility model has been optimized steel case beam mechanical property by optimizing the web form of weldable steel case beam, by web be shaped, explained hereafter the utility model products such as full-automatic welding, anticorrosion, anti-fire processing.
Preparation technology of the present utility model is as follows: will bend the trapezoidal corrugated web that becomes arc chord angle along its length with steel, or become sine curve by roll-in, and adopt the single face fillet weld to be welded into box section with two wing plates then.It is relations of having optimized to a greater extent between section mechanical property and the product steel using amount that this novel section makes up maximum characteristics, makes it more to be tending towards rationalization, scientific.Therefore, the utlity model has good stress performance, good anti-fatigue performance and the characteristics that combine from heavy and light such as high bearing capacity, high rigidity, high anti-twisting property, is very good structural shapes material.The utility model adopts full automatic welding connection technology and professional positioning tool anchor clamps simultaneously, can guarantee accurate positioning between two webs and two wing plates, and the seam track unanimity realizes standardization easily.Weld seam nothing attractive in appearance is splashed, and has welded product and has not needed shaping.The utility model adopts numerical control slippage forming technique and roll-in technology processing web, can realize that product maximizes.Web processing technology and industrial production welding efficiency are complementary simultaneously, can realize large-scale industrial production.
The utility model is compared with welded H section steel with hot rolling i iron, H shaped steel, and its lateral rigidity and antitorque bearing capacity are significantly increased, and steel using amount is more economized.
The utility model and common Welded trunk beams, under the rigidity situation equal with bearing capacity, steel using amount saves about 40%～60%, saves more than 50% than welding, hot rolled H-shaped etc.
Compare with the traditional welding box component, the utility model has substantial difference and advantageous feature in the following aspects: the trapezoidal broken line broken line or the sine curve that adopt extraordinary numerical control slippage moulding and roll-in fabrication techniques band arc chord angle, can easily be implemented in and stressedly reduce wavelength than large part, strengthen ripple density or increase wave height, and at the more sparse ripple of stressed less position employing, realized along the optimization of beam length direction, thereby can reach the double effects that improves bearing capacity and save steel.
This product can replace flat web Welded trunk beams, and more more extensive than traditional box-girder purposes, can realize maximizing being used for special dimension and particular location, comprises the construction of Longspan Bridge and shipbuilding etc.
The utility model is based on following two facts:
1) adopts two webs to form box section, with respect to the meridosternous member of equal height and material, can improve the stability and the bearing capacity of member greatly, especially antitorque bearing capacity.And when the placement of two web symmetries, its layout is cellular, can obtain optimal result like this aspect total bearing capacity.
2) corrugated steel is compared with plain plate, and deformability all is significantly increased outside its shear-carrying capacity and the anti-face under the identical situation of thickness.Use it for the building structural steel beam a large amount of steel of saving under the prerequisite that guarantees shear-carrying capacity can be arranged.
Therefore, adopt corrugated steel to form box section as web, can bring into play above-mentioned two kinds of technical advantages simultaneously, its product is than like products such as common hot rolled H-shaped, i iron, welded H section steel, single corrugated webs, its mechanical property is significantly increased, and wing plate, web thickness all can reduce, thereby more can save rolled steel dosage significantly.This point meets the overall goal of China's sustainable development strategy.
Description of drawings
Fig. 1 is a structural diagrams of the present utility model.
Fig. 2 is the trapezoidal ripple curve synoptic diagram of the arc chord angle of web section.
Fig. 3 is the sine curve waviness curve schematic diagram of web section.
Fig. 4 is the schematic diagram that the web symmetry is placed.
Number in the figure: 1 is the top flange, and 2,3 is web, and 4 is the bottom flange.
The specific embodiment
Further specify the utility model below by the example structure accompanying drawing.
Embodiment 1: the section shape of the mouth as one speaks of two web plate steel box girders is made of central-web 2 and web 3 and top flange 1, bottom flange 4 disjunctors, top flange 1 is parallel with bottom flange 4, web 2 and 3 is vertically between top flange 1 and bottom flange 4, web 2 and web 3 are the corrugated web that even or inhomogeneous periodicity repeats for length direction, and this ripple section is the trapezoidal or sine curve of arc chord angle.
For verifying this properties of product, made test specimen research.Material for test adopts the Q235 steel, and the edge of a wing 1 of test specimen and the edge of a wing 4 thickness are 10 millimeters, and width is 500 millimeters, and web 2 and web 3 thickness are 2 millimeters, 1000 millimeters of height, 50 millimeters of ripple height, 240 millimeters of wavelength, 30 millimeters of corner transition arc radius.
Claims (5)
1. ripple twin webbed t beam, its section shape of the mouth as one speaks is by two blocks of steel webs in middle part (2) and web (3), and top flange (1), bottom flange (4) composition, it is characterized in that top flange (1) is parallel with bottom flange (4), web (2) and web (3) vertically are positioned at respectively between top flange (1) and bottom flange (4), the section of web (2) and web (3) is the waveform that even or inhomogeneous periodicity repeats respectively, and this ripple section is the trapezoidal or sine curve of arc chord angle.
2. ripple twin webbed t beam according to claim 1, the inclination angle that it is characterized in that the trapezoidal oblique line section that described arc chord angle is trapezoidal is 30 °--90 °.
3. ripple twin webbed t beam according to claim 1 is characterized in that being respectively the single face fillet weld between described web (2) and top flange (1) or bottom flange (4).
4. ripple twin webbed t beam according to claim 1 is characterized in that being respectively the single face fillet weld between described web (3) and top flange (1) or bottom flange (4).
5. ripple twin webbed t beam according to claim 1 is characterized in that the placement of described web (2) and web (3) symmetry, is cellular section structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200751096U CN201436336U (en) | 2009-07-23 | 2009-07-23 | Double web plates beam with corrugations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200751096U CN201436336U (en) | 2009-07-23 | 2009-07-23 | Double web plates beam with corrugations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436336U true CN201436336U (en) | 2010-04-07 |
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ID=42372791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200751096U Expired - Fee Related CN201436336U (en) | 2009-07-23 | 2009-07-23 | Double web plates beam with corrugations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201436336U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132649A (en) * | 2013-03-13 | 2013-06-05 | 广西大学 | Steel box girder matched with cellular steel web plate |
| CN103835436A (en) * | 2014-03-17 | 2014-06-04 | 南京工业大学 | Corrugated web box-section steel column |
| CN104514012A (en) * | 2013-09-26 | 2015-04-15 | 贵阳铝镁设计研究院有限公司 | Electrolytic tank AB beam and manufacturing method thereof |
| CN106703286A (en) * | 2017-01-25 | 2017-05-24 | 河海大学 | Connecting steel beam for complex irregular structured building and connecting method of connecting steel beam |
| CN108468411A (en) * | 2018-05-21 | 2018-08-31 | 同济大学 | Vertical rib corrugated web steel-concrete composite coupling beams |
-
2009
- 2009-07-23 CN CN2009200751096U patent/CN201436336U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132649A (en) * | 2013-03-13 | 2013-06-05 | 广西大学 | Steel box girder matched with cellular steel web plate |
| CN104514012A (en) * | 2013-09-26 | 2015-04-15 | 贵阳铝镁设计研究院有限公司 | Electrolytic tank AB beam and manufacturing method thereof |
| CN103835436A (en) * | 2014-03-17 | 2014-06-04 | 南京工业大学 | Corrugated web box-section steel column |
| CN106703286A (en) * | 2017-01-25 | 2017-05-24 | 河海大学 | Connecting steel beam for complex irregular structured building and connecting method of connecting steel beam |
| CN106703286B (en) * | 2017-01-25 | 2018-11-23 | 河海大学 | Connection girder steel and attaching method thereof for complicated irregular structure building |
| CN108468411A (en) * | 2018-05-21 | 2018-08-31 | 同济大学 | Vertical rib corrugated web steel-concrete composite coupling beams |
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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: 20100407 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |