CN103195210A - Pre-stressing assembly type corrugated web plate holding-on steel beam - Google Patents
Pre-stressing assembly type corrugated web plate holding-on steel beam Download PDFInfo
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- CN103195210A CN103195210A CN2013101382723A CN201310138272A CN103195210A CN 103195210 A CN103195210 A CN 103195210A CN 2013101382723 A CN2013101382723 A CN 2013101382723A CN 201310138272 A CN201310138272 A CN 201310138272A CN 103195210 A CN103195210 A CN 103195210A
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Abstract
The invention discloses a pre-stressing assembly type corrugated web plate holding-on steel beam belonging to the technical field of building profiles. The steel beam is formed by assembling two corrugated-groove steel beams by bolts and a prestressed cable, web plates of the two corrugated-groove steel beams are in butt joint in a holding-on manner and are assembled and connected at the bolt holes in the web plates by adopting the bolts; the prestressed cable passes through the assembled web plates and prestressed cable holes in beam-end plates, is tensioned, and then is fixed on the beam-end plates of the corrugated-groove steel beams; section openings of the corrugated-groove steel beams are formed by upper wing flanges, lower wing flanges and the web plates; the sections of the web plates are shaped like uniform and non-uniform periodically repeated waves; and the beam-end plates are vertical to the upper wing flanges, the lower wing flanges and the web plates, and are arranged at two ends of the beams. The innovation type pre-stressing assembly type steel beam is suitable for an assembly type steel structure system and particularly suitable for a multi-high-layer assembly type steel structure system, and has the advantages of light weight, strong bearing force, large span and the like compared with the conventional assembly beams.
Description
Technical field
The present invention relates to a kind of prestressing force assembling corrugated web interlock girder steel, belong to architectural shape
Technical field.
Background technology
At present, the how high-rise assembling type steel structure system of large span is the main direction of system of steel residential structure development.Traditional housing building of steel-structure has adopted a large amount of scene welding when constructing, speed of application is slow, and seriously polluted to environment the most important thing is that the quality of weld seam should not be controlled, have a strong impact on the security performance of building, the assembling type steel structure system has overcome the shortcoming of traditional steel house effectively.In the assembling type steel structure system, the on-site consolidation node of Liang Heliang is a key issue.
In existing assembling type steel structure system, what adopt usually is that two channel-section steels carry out assembly unit, and the web butt joint of two channel-section steels connects by bolt, forms assembling H shaped steel.But in this connecting method, shearing is to pass to web by bolt, and web is plain plate, so the steel using amount of required bolt number and web is very big, shear-carrying capacity has much room for improvement.Simultaneously, when being applied in the assembling type steel structure system of large span, traditional assembled steel member will increase height and the area of beam section significantly, has increased steel using amount.
This shows, traditional Steel section member is used in effect is not very desirable among the assembling type steel structure system, not only influence the stress performance of member, and need to consume a large amount of steel, produce unnecessary waste.In sum, create the only way which must be passed that the novel primary structure member that is applied to the assembling type steel structure system is the development of assembling type steel structure system.
Summary of the invention
The present invention proposes a kind of prestressing force assembling corrugated web interlock girder steel that belongs to the architectural shape technical field, it is a kind of with low cost that its purpose is to provide, the assembling girder steel that is applicable to the how high-rise assembling type steel structure system of assembling type steel structure system, especially large span that stress performance is superior.
The technical solution used in the present invention is as follows:
A kind of prestressing force assembling corrugated web interlock girder steel is to be assembled by bolt and prestressed cable by two wave groove girder steels; The web interlock butt joint of described two wave groove girder steels, by adopting bolt to assemble connection at the bolt hole place of web, described prestressed cable passes web after the assembling and the prestressed cable hole on the beam end plate, through being fixed in by ground tackle after the stretch-draw on the beam end plate of wave groove girder steel;
Described wave groove girder steel, its section shape of the mouth as one speaks is made up of top flange, web, bottom flange and beam end plate, and described top flange is parallel with the bottom flange, and described web is vertically between top flange and bottom flange;
The section of described web is the ripple that even or inhomogeneous periodicity repeats, and this ripple section is rectangle waviness curve, trapezoidal waviness curve, wedge shape waviness curve or sine curve; Offer bolt hole and prestressed cable hole on the described web, bolt hole is arranged on the whole web, and the prestressed cable hole is arranged on the bias plate portion of web;
Described top flange and bottom flange are steel plate, and parallel with web in a steel plate limit is wavy curve, and the shape of waviness curve is identical with the ripple section configuration of web; Described web is positioned over the place, waviness curve limit of top flange and bottom flange, and the ripple section of web coincide with the waviness curve limit of top flange and bottom flange and links to each other;
Described beam end plate is steel plate, and with web, the top flange is vertical with the bottom flange, is positioned at the two ends of wave groove girder steel, and beam end plate and top flange, web and bottom flange are weldingly connected; Leave the prestressed cable hole on the beam end plate.
Described rectangle waviness curve is arc chord angle rectangle waviness curve, and described trapezoidal waviness curve is the trapezoidal waviness curve of arc chord angle, and described wedge shape waviness curve is arc chord angle wedge shape waviness curve.
The inclination angle of the trapezoidal oblique line section of described trapezoidal waviness curve, the trapezoidal waviness curve of arc chord angle is 20 °-90 °, and the inclination angle of the wedge shape oblique line section of described wedge shape waviness curve, arc chord angle wedge shape waviness curve is 20 °-90 °.
Be respectively the single face fillet weld between described web and top flange and the bottom flange.
The ripple density of described web and height can change according to force request.
The trapezoidal waviness curve of described arc chord angle, arc chord angle rectangle waviness curve and arc chord angle wedge shape waviness curve adopt the numerical control bending technology to make, and sine curve adopts numerical control roll-in technology to make.
Described prestressed cable is prestressed cable, is presstressed reinforcing steel perhaps, and the prestressed cable that passes the prestressed cable hole of reserving on web and the beam end plate is one or more;
The linear of described prestressed cable is that recess makes progress, and linear shape can change according to force request.
The present invention proposes a kind of prestressing force assembling corrugated web interlock girder steel that is applicable to the assembling type steel structure system, by the interlocking of introducing member and the stress performance that prestressing technique has been improved the assembled steel member widely, compare with traditional assembling type steel structure system in the assembling girder steel, the present invention has following advantage:
The present invention adopts prestressing technique, improved the supporting capacity of assembling interlock girder steel effectively, guaranteed stressed reasonability, quoting of prestressing technique, can be under the prerequisite that guarantees assembled steel load bearing beam ability, alleviate the deadweight of assembling girder steel effectively, improve the span of assembling girder steel, the present invention more is applicable among large span and the how high-rise assembling type steel structure system.Simultaneously, the tension bearing capacity in the face of assembled steel Liangping can improve in the interspersed web place that is arranged on the assembling girder steel of prestressed cable.
Steel beam web plate of the present invention is the assembling corrugated steel, can effectively utilize rigidity outside the good plane of corrugated steel, anti-flexing supporting capacity and higher fatigue strength, compare with the plain plate that channel-section steel is assembled into, deformability all is significantly increased outside its shear-carrying capacity and anti-under the identical situation of thickness.
Girder steel of the present invention holds the interlock shape, shearing bearing capacity in the plane of effective increase assembling girder steel, shearing in the plane of traditional assembling girder steel relies on bolt to bear and transmit, the present invention relies on the interlocking of girder steel to make whole girder steel bear shearing in the plane, improves the shear resistant capacity of assembling girder steel effectively.
Therefore, adopt prestressing force assembling corrugated web interlock girder steel of the present invention can bring into play above-mentioned three kinds of technical advantages simultaneously, compare with other like products, its mechanical property is significantly increased, and promotes large span and how high-rise assembling type steel structure system in the development of China effectively.
Simultaneously, the present invention adopts full automatic welding connection technology and professional positioning tool anchor clamps, can guarantee the accurate location between web and the edge of a wing, and the seam track unanimity realizes standardization easily, can realize many large-scale production, effectively enhances productivity.In the prestressing force assembling corrugated web interlock girder steel that the present invention proposes, it is relations of having optimized to a greater extent between section mechanical property and the product steel using amount that section makes up maximum characteristics, makes it more be tending towards rationalization and scientific.Prestressing technique quote the supporting capacity that can improve girder steel, alleviate the girder steel deadweight, increase the span of girder steel.Therefore, the present invention has good stress performances such as high-bearing capacity and high rigidity, is a kind of very good structural shapes material.
Compare with traditional assembling girder steel, the present invention has improved the supporting capacity of assembling girder steel significantly, has reduced steel using amount, increased span, reduce construction costs, can realize large-scale industrial production and on-the-spot quick assembled type simultaneously, reduced construction period.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is element of construction exploded view of the present invention;
Fig. 3 is the schematic diagram of wave groove girder steel;
Fig. 4 is the unit exploded view of wave groove girder steel;
Fig. 5 is the rectangle ripple curve synoptic diagram of web section;
Fig. 6 is the trapezoidal ripple curve synoptic diagram of web section;
Fig. 7 is the wedge shape ripple curve synoptic diagram of web section;
Fig. 8 is the arc chord angle rectangle ripple curve synoptic diagram of web section;
Fig. 9 is the trapezoidal ripple curve synoptic diagram of the arc chord angle of web section;
Figure 10 is the arc chord angle wedge shape ripple curve synoptic diagram of web section;
Figure 11 is the sine curve waviness curve schematic diagram of web section;
Figure 12 is the floor map of wave groove girder steel;
Figure 13 is the floor map of prestressing force assembling corrugated web interlock girder steel;
Among the figure: 1-wave groove girder steel, 2-top flange, 3-web, 4-bottom flange, 5-bolt hole, 6-bolt, 7-prestressed cable, 8-prestressed cable hole, 9-ground tackle, 10-beam end plate.
Specific implementation
Further specify the present invention by reference to the accompanying drawings below by embodiment.
Shown in accompanying drawing 1-4, the prestressing force assembling corrugated web interlock girder steel that the present invention proposes is to be assembled by bolt 6 and prestressed cable 7 by two wave groove girder steels 1; The web interlock butt joint of described two wave groove girder steels 1, by adopting bolt 6 to assemble connection at bolt hole 5 places of web 3, described prestressed cable 7 passes web 3 after the assembling and the prestressed cable hole 8 on the beam end plate 10, through being fixed in by ground tackle 9 on the beam end plate 10 of wave groove girder steel 1 after the stretch-draw.
Shown in accompanying drawing 3-4, wave groove girder steel 1, its section shape of the mouth as one speaks is by top flange 2, web 3, bottom flange 4 and beam end plate 10 are formed, and top flange 2 is parallel with bottom flange 4, web 3 is vertically between top flange 2 and bottom flange 4, offer bolt hole 5 and prestressed cable hole 8 on the described web 3, bolt hole 5 is arranged on the whole web 3, and prestressed cable hole 8 is arranged on the bias plate portion of web 3.
Shown in accompanying drawing 5-11, the section of described web 3 is the ripple that even or inhomogeneous periodicity repeats, this ripple section is the rectangle waviness curve, or be arc chord angle rectangle waviness curve, or be trapezoidal waviness curve, or be the trapezoidal waviness curve of arc chord angle, or be the wedge shape waviness curve, or be arc chord angle wedge shape waviness curve, or be the sine curve waviness curve.
Shown in accompanying drawing 3-4 and accompanying drawing 12-13, described top flange 2 and bottom flange 4 are steel plate, parallel with web 3 in a steel plate limit is wavy curve, the shape of waviness curve is identical with the ripple section configuration of web 3, web 3 is positioned over the place, waviness curve limit of top flange 2 and bottom flange 4, the ripple section of web 3 coincide with the waviness curve limit of top flange 2 and bottom flange 4 and links to each other, and is respectively the single face fillet weld between web 3 and top flange 2 and the bottom flange 4; With web 3, top flange 2 is vertical with bottom flange 4, is positioned at the two ends of wave groove girder steel 1, and beam end plate 10 is weldingly connected with top flange 2, web 3 and bottom flange 4, leaves prestressed cable hole 8 on the beam end plate 10.
Wherein, described trapezoidal waviness curve, the inclination angle of the trapezoidal oblique line section of the trapezoidal waviness curve of arc chord angle is 20 °-90 °, described wedge shape waviness curve, the inclination angle of the wedge shape oblique line section of arc chord angle wedge shape waviness curve is 20 °-90 °, the ripple density of described web 3 and height can change according to force request, the trapezoidal waviness curve of described arc chord angle, arc chord angle rectangle waviness curve and arc chord angle wedge shape waviness curve adopt the numerical control bending technology to make, sine curve adopts numerical control roll-in technology to make, described prestressed cable 7 is prestressed cable, be presstressed reinforcing steel perhaps, the prestressed cable 7 that passes the prestressed cable hole of reserving on web 3 and the beam end plate 10 8 is one or more.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (8)
1. a prestressing force assembling corrugated web interlock girder steel is characterized in that: be to be assembled by bolt (6) and prestressed cable (7) by two wave groove girder steels (1); The web interlock butt joint of described two wave groove girder steels (1), locate to assemble connection by adopting bolt (6) at the bolt hole (5) of web (3), described prestressed cable (7) passes web (3) after the assembling and the prestressed cable hole (8) on the beam end plate (10), through being fixed in by ground tackle (9) after the stretch-draw on the beam end plate (10) of wave groove girder steel (1);
Described wave groove girder steel (1), its section shape of the mouth as one speaks is made up of top flange (2), web (3), bottom flange (4) and beam end plate (10), described top flange (2) is parallel with bottom flange (4), and described web (3) vertically is positioned between top flange (2) and bottom flange (4);
The section of described web (3) is the ripple that even or inhomogeneous periodicity repeats, and this ripple section is rectangle waviness curve, trapezoidal waviness curve, wedge shape waviness curve or sine curve; Offer bolt hole (5) and prestressed cable hole (8) on the described web (3), bolt hole (5) is arranged on the whole web (3), and prestressed cable hole (8) are arranged on the bias plate portion of web (3);
Described top flange (2) and bottom flange (4) are steel plate, and parallel with web (3) in a steel plate limit is wavy curve, and the shape of waviness curve is identical with the ripple section configuration of web (3); Described web (3) is positioned over the place, waviness curve limit of top flange (2) and bottom flange (4), and the ripple section of web (3) coincide with the waviness curve limit of top flange (2) and bottom flange (4) and links to each other;
Described beam end plate (10) is steel plate, and with web (3), top flange (2) are vertical with bottom flange (4), are positioned at the two ends of wave groove girder steel (1), and beam end plate (10) and top flange (2), web (3) and bottom flange (4) are weldingly connected; Leave prestressed cable hole (8) on the beam end plate (10).
2. prestressing force assembling corrugated web interlock girder steel according to claim 1, it is characterized in that: described rectangle waviness curve is arc chord angle rectangle waviness curve, described trapezoidal waviness curve is the trapezoidal waviness curve of arc chord angle, and described wedge shape waviness curve is arc chord angle wedge shape waviness curve.
3. prestressing force assembling corrugated web interlock girder steel according to claim 1, it is characterized in that: the inclination angle of the trapezoidal oblique line section of described trapezoidal waviness curve, the trapezoidal waviness curve of arc chord angle is 20 °-90 °, and the inclination angle of the wedge shape oblique line section of described wedge shape waviness curve, arc chord angle wedge shape waviness curve is 20 °-90 °.
4. prestressing force assembling corrugated web interlock girder steel according to claim 1 is characterized in that: be respectively the single face fillet weld between described web (3) and top flange (2) and bottom flange (4).
5. prestressing force assembling corrugated web interlock girder steel according to claim 1 is characterized in that: the ripple density of described web (3) and height can change according to force request.
6. prestressing force assembling corrugated web interlock girder steel according to claim 1, it is characterized in that: the trapezoidal waviness curve of described arc chord angle, arc chord angle rectangle waviness curve and arc chord angle wedge shape waviness curve adopt the numerical control bending technology to make, and sine curve adopts numerical control roll-in technology to make.
7. prestressing force assembling corrugated web interlock girder steel according to claim 1, it is characterized in that: described prestressed cable (7) is prestressed cable, be presstressed reinforcing steel perhaps, the prestressed cable (7) that passes the last prestressed cable hole of reserving (8) of web (3) and beam end plate (10) is one or more.
8. prestressing force assembling corrugated web interlock girder steel according to claim 1, it is characterized in that: the linear of described prestressed cable (7) is that recess makes progress, linear shape can change according to force request.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103485478A (en) * | 2013-09-13 | 2014-01-01 | 北京工业大学 | Prestress assembly type corrugation web holding-on combination beam applied to multi-story and high-rise buildings |
| CN103526689A (en) * | 2013-07-18 | 2014-01-22 | 杭州博数土木工程技术有限公司 | Corrugated steel web reinforced concrete combination structure simply-supported box girder |
| CN103866851A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Multi-high-rise assembly steel structure occluded steel beam prestress eccentric support system |
| CN103866856A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Center support occlusion splicing system of assembly type steel structure with rigid-connection nodes |
| CN103866850A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Multi-high-rise assembly steel structure occluded steel beam frame central support system |
| CN103866854A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Assembly type steel structure prestressing force center supporting, engaging and splicing system with rigidly connected joints |
| CN103882963A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Assembly type steel structure system spliced by pre-stressing force in meshed mode |
| CN103882984A (en) * | 2014-03-20 | 2014-06-25 | 北京工业大学 | Pitch point rigid connection assembly type steel structure occlusion splicing system |
| CN103882959A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in meshed mode |
| CN103882979A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Assembly type steel structure eccentric supporting system spliced by pre-stressing force in meshed mode |
| CN103882940A (en) * | 2014-03-20 | 2014-06-25 | 北京工业大学 | Modularized multi-story and high-rise assembly type steel structure meshed steel beam frame system |
| CN103899021A (en) * | 2014-03-20 | 2014-07-02 | 北京工业大学 | Assembly type steel frame meshing splicing system for rigid joint |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526689A (en) * | 2013-07-18 | 2014-01-22 | 杭州博数土木工程技术有限公司 | Corrugated steel web reinforced concrete combination structure simply-supported box girder |
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| CN103882940A (en) * | 2014-03-20 | 2014-06-25 | 北京工业大学 | Modularized multi-story and high-rise assembly type steel structure meshed steel beam frame system |
| CN103866851A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Multi-high-rise assembly steel structure occluded steel beam prestress eccentric support system |
| CN103866856A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Center support occlusion splicing system of assembly type steel structure with rigid-connection nodes |
| CN103866850A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Multi-high-rise assembly steel structure occluded steel beam frame central support system |
| CN103866854A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Assembly type steel structure prestressing force center supporting, engaging and splicing system with rigidly connected joints |
| CN103882984A (en) * | 2014-03-20 | 2014-06-25 | 北京工业大学 | Pitch point rigid connection assembly type steel structure occlusion splicing system |
| CN103899021A (en) * | 2014-03-20 | 2014-07-02 | 北京工业大学 | Assembly type steel frame meshing splicing system for rigid joint |
| CN103882963A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Assembly type steel structure system spliced by pre-stressing force in meshed mode |
| CN103882979A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Assembly type steel structure eccentric supporting system spliced by pre-stressing force in meshed mode |
| CN103882959A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Rigid joint assembly type steel structure center supporting system spliced by pre-stressing force in meshed mode |
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Effective date of registration: 20180911 Address after: 100000 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Co-patentee after: China Railway Construction Group Beijing Engineering Co., Ltd. Patentee after: Zhongtie Construction Group Corporation Limited Address before: No. 100, Chaoyang District flat Park, Beijing, Beijing Patentee before: Beijing University of Technology |