CN103397593B - The web member of steel truss girder bridge Nodes intersects joints structure mutually - Google Patents
The web member of steel truss girder bridge Nodes intersects joints structure mutually Download PDFInfo
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- CN103397593B CN103397593B CN201310348734.4A CN201310348734A CN103397593B CN 103397593 B CN103397593 B CN 103397593B CN 201310348734 A CN201310348734 A CN 201310348734A CN 103397593 B CN103397593 B CN 103397593B
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Abstract
The web member that the present invention relates to a kind of steel truss girder bridge Nodes intersects joints structure mutually, the U-type groove one notch interlude of adapter plate one passes from the U-type groove two of adapter plate two, two board spaces intersect and mutually stagger again, adapter plate welds with the gusset plate of steel truss girder Nodes, and gusset plate welds with chord member; Adapter plate, again by scab, high-strength bolt and web member rod end bolt, forms overall structure jointly stressed.Be welded on gusset plate after the joints plate that the present invention intersects spatially staggers mutually, then by the web member rod end bolt of scab and high-strength bolt and steel truss girder, formation overall structure, jointly stressed, reasonable stress.The present invention can avoid the direct cross weld of web member joint plate and cause stress concentrations and solder joint fatigue problem; Gusset plate size can be reduced, save steel material; For the splicing of large internal force, large scale web member termination, Be very effective.
Description
Technical field
The web member that the present invention relates to a kind of steel truss girder bridge Nodes intersects joints structure mutually, is mainly used in web member (brace or the montant) end matching of steel truss girder Nodes.
Background technology
Web member for steel truss girder bridge Nodes splices, and when internal force is less, web member size is less, and required gusset plate, joints size are all less, the splicing of general employing plug-in type or common all can meeting the demands to spelling.But large for span, that load-carrying is large, the scale of construction is large steel truss girder, the box web member that its internal force is large, size is large adopts spelling (4 etc. splice by force) in the splicing of Nodes only, namely need on the gusset plate of main truss Nodes, weld joints plate, then with web member termination to spelling (4 etc. splice by force).Because web member internal force is large, size is large, with it to spell joints plate be correspondingly large scale plate, thus cause the adapter plate of adjacent web members to intersect when being welded on gusset plate (intersecting), if this adapter plate intersected is welded in one at intersection place, also need to weld with gusset plate simultaneously, stress concentrations and solder joint fatigue problem will be caused.If not by adjacent adapter plate cross weld, additionally need strengthen gusset plate size, this will increase the consumption of steel material.
Summary of the invention
The object of the invention is to for above-mentioned present situation, aim to provide and a kind ofly not only can solve the stress concentrations that causes because of web member adapter plate cross weld and solder joint fatigue problem, but also gusset plate size can be reduced and the web member saving the steel truss girder bridge Nodes of steel material intersects joints structure mutually.
The implementation of the object of the invention is, the web member of steel truss girder bridge Nodes intersects joints structure mutually, and there is U-type groove one joints plate one both sides, and afterbody has dovetail groove, and there is High-strength bolt hole end; Have U-type groove two in the middle of joints plate two afterbody, afterbody has chamfering, and there is High-strength bolt hole end;
The U-type groove one notch interlude of joints plate one passes from the U-type groove two of joints plate two, two joints board spaces intersect and mutually stagger again, joints plate one afterbody, joints plate two afterbody weld with the gusset plate of steel truss girder Nodes, and gusset plate welds with chord member;
Joints plate one end is by scab, high-strength bolt and web member one rod end bolt; Joints plate two end by scab, high-strength bolt and web member two rod end bolt, formation overall structure.
Steel truss girder bridge node two sides splicing adapter plate of the present invention by special and cleverly mode intersect, after mutually staggering again, be welded on gusset plate, joints plate is again by the web member rod end bolt of scab and high-strength bolt and steel truss girder, form overall structure, jointly stressed.
The present invention both can solve the stress concentrations and solder joint fatigue problem that cause because of web member adapter plate cross weld, can reduce again gusset plate size, saved steel material.Especially for the splicing of large internal force, large scale web member termination, Be very effective.Apply in the non-major P.E.subject of the Yellow River, the Sanmenxia Gorge, obtain good effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is adapter plate one structural representation of the present invention,
Fig. 3 is adapter plate two structural representation of the present invention,
Fig. 4 is the A-A direction view of Fig. 1,
Fig. 5 is the B-B direction view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
With reference to Fig. 1, there is U-type groove 1 joints plate 1 both sides of the present invention, and afterbody has dovetail groove 4, and there is High-strength bolt hole end.
With reference to Fig. 2, have U-type groove 25 in the middle of joints plate 22 afterbody, afterbody has chamfering 6, and there is High-strength bolt hole end.
With reference to Fig. 2,3,4,5, the U-type groove 1 notch interlude of adapter plate one passes from the U-type groove two of adapter plate two, two joints board spaces intersect and mutually stagger again, joints plate one afterbody, joints plate two afterbody weld with the gusset plate 10 of steel truss girder Nodes, and weld has weld seam 7.Gusset plate 10 welds with chord member 13.
Joints plate one is by scab 8, high-strength bolt 9 and web member 1 rod end bolt, and joints plate two, by scab 8, high-strength bolt 9 and web member 2 12 rod end bolt, forms overall structure as shown in Figure 1, jointly stressed.
Steel truss girder bridge node two sides splicing adapter plate of the present invention by special and cleverly mode intersect, after mutually staggering again, be welded on gusset plate, joints plate is again by the web member rod end bolt of scab and high-strength bolt and steel truss girder, form overall structure, jointly stressed.
Adopt the present invention both can solve the stress concentrations and solder joint fatigue problem that cause because of web member adapter plate cross weld, can avoid again as meeting the stressed dimensional requirement of adapter plate, making adapter plate not intersect and additionally strengthening the problem of gusset plate size, gusset plate size can be reduced, save steel material.
The foregoing is only preferred embodiments of the present invention, be not used for limiting to the scope of the claims of the present invention, the equivalent structure change that all utilizations manual of the present invention and accompanying drawing content are done, be all in like manner included within the scope of the present invention.
Claims (1)
1. the web member of steel truss girder bridge Nodes intersects joints structure mutually, and it is characterized in that there is U-type groove one joints plate one both sides, afterbody has dovetail groove, and there is High-strength bolt hole end; Have U-type groove two in the middle of joints plate two afterbody, afterbody has chamfering, and there is High-strength bolt hole end;
The U-type groove one notch interlude of joints plate one passes from the U-type groove two of joints plate two, two joints board spaces intersect and mutually stagger again, joints plate one afterbody, joints plate two afterbody weld with the gusset plate of steel truss girder Nodes, and gusset plate welds with chord member;
Joints plate one end is by scab, high-strength bolt and web member one rod end bolt; Joints plate two end by scab, high-strength bolt and web member two rod end bolt, formation overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348734.4A CN103397593B (en) | 2013-08-12 | 2013-08-12 | The web member of steel truss girder bridge Nodes intersects joints structure mutually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348734.4A CN103397593B (en) | 2013-08-12 | 2013-08-12 | The web member of steel truss girder bridge Nodes intersects joints structure mutually |
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| Publication Number | Publication Date |
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| CN103397593A CN103397593A (en) | 2013-11-20 |
| CN103397593B true CN103397593B (en) | 2015-09-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105862589B (en) * | 2016-02-26 | 2017-08-25 | 江苏中铁山桥重工有限公司 | A kind of band anchor case fold-line-shaped binode bolt weldering chord member preparation method |
| CN109024217A (en) * | 2018-07-17 | 2018-12-18 | 中铁大桥勘测设计院集团有限公司 | The connection structure and welding method of web member and chord member |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1406290A1 (en) * | 1986-05-21 | 1988-06-30 | Государственный Проектно-Изыскательский Институт По Проектированию И Изысканиям Больших Мостов "Гипротрансмост" | Assembly joint of box-shaped elements of bridge metal truss |
| CN100579712C (en) * | 2007-11-26 | 2010-01-13 | 中铁大桥局集团第七工程有限公司 | Firstly hole drilling construction method in girder steel hole-drilling |
| CN201538942U (en) * | 2009-10-30 | 2010-08-04 | 中铁二院工程集团有限责任公司 | Built-in multi-point top beam structure for long-span railway steel truss girder |
| CN101793002B (en) * | 2010-03-29 | 2012-01-25 | 中铁二院工程集团有限责任公司 | Overall composite towing beam arching structure for railway steel truss girder cable-stayed bridge |
| CN201695323U (en) * | 2010-06-21 | 2011-01-05 | 上海市政工程设计研究总院 | Connecting structure for steel web member and concrete chord member |
| JP5856902B2 (en) * | 2011-07-15 | 2016-02-10 | 新日鉄住金エンジニアリング株式会社 | Joint structure and truss structure |
| CN202688856U (en) * | 2012-05-28 | 2013-01-23 | 中铁第一勘察设计院集团有限公司 | Externally connected type node structure formed by connecting steel members and concrete |
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