CN109811965A - It is a kind of to be bolted high strength steel plate spliced girder-concrete slab combination beam entirely - Google Patents
It is a kind of to be bolted high strength steel plate spliced girder-concrete slab combination beam entirely Download PDFInfo
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- CN109811965A CN109811965A CN201910107409.6A CN201910107409A CN109811965A CN 109811965 A CN109811965 A CN 109811965A CN 201910107409 A CN201910107409 A CN 201910107409A CN 109811965 A CN109811965 A CN 109811965A
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Abstract
It is bolted high strength steel plate spliced girder-concrete slab combination beam entirely the invention discloses a kind of, the combination beam is bolted the top flange of upper high strength steel plate and left U-steel, right U-steel by section weakening type, concrete slab support, is arranged in the top flange of upper high strength steel plate by the lower flange that lower high strength steel plate and left U-steel, right U-steel are connected by traditional high-strength bolt.Being bolted entirely for combination beam is completed, the section of section weakening type bolt weakens the top that section should be located at nut above spliced girder top flange.The combination beam not only simple structure, construction is convenient and quick, stiffness and strength are high, economic performance is excellent, high strength steel plate is avoided to be welded to connect the problems such as technical requirements are high, and section weakening type bolt as the lesion element in combination beam and sacrifices element, its deformability is good, avoid the damage of high-strength girder steel, the Internal Force Redistribution ability and ductility for improving combination beam realize reasonable destruction sequence.
Description
Technical field
The invention belongs to the building-supporting component ranges of bridge and building, in particular to are applied to highway bridge, railway bridge
Beam and industry and one kind of civil buildings floor system are bolted high strength steel plate spliced girder-concrete slab combination beam entirely.
Background technique
Existing reinforced beam be by reinforcing bar and coagulation local soil type at supporting member, have the shortcomings that volume, from great.
Combination beam can reduce structure height, mitigate self weight, and then reduce by the way that girder steel and coagulation local soil type are combined common stress
The sectional dimension and foundation load of vertical supporting member.Compared with clean steel beam, combination beam can then reduce steel using amount, increase just
Degree, and reduce structure height, enhance corrosion resistance and durability.High-strength girder steel and coagulation are realized by stud shear connector
The combination of native plate gives full play to the advantage that high-strength steel tensile strength is high, concrete crushing strength is good, it is rigid to overcome pure high-strength girder steel
Spend disadvantage small, that deformation is big.It is bolted high strength steel plate spliced girder-concrete slab combination beam entirely and is not only convenient for high strength steel plate disassembly
Recycling and utilization afterwards, and high-strength girder steel and concrete slab are overcome using traditional weld stud as shear connector institute
The requirement of the welding technique of existing high strength steel plate and weld stud is high, welding quality is difficult to ensure, steel in the heat affected area of weld seam
The material of material becomes fragile, is inevitably generated under residual stress and residual deformation, low temperature in structure brittle failure, speed of application easily occurs
Slowly, the disadvantages of working procedure is complicated.
Summary of the invention
The purpose of the present invention is to overcome the disadvantages of the prior art, provides a kind of simple structure, convenient and quick, rigidity of constructing
With intensity is higher, economic performance is preferably bolted high strength steel plate spliced girder-concrete slab combination beam entirely.
Technical scheme is as follows:
One kind of the invention is bolted high strength steel plate spliced girder-concrete slab combination beam, including left and right relative spacing entirely
Two webs of the left U-steel and right U-steel being arranged, the left U-steel and right U-steel are parallel to each other to be arranged close to,
The left and right sides support of one piece of upper high strength steel plate is arranged on the top flange roof of the left U-steel and right U-steel, along slot
The length direction of fashioned iron, in the upper high strength steel plate and left slot of the top flange contact position of the upper high strength steel plate and left U-steel
On fashioned iron and on the upper high strength steel plate and right U-steel of the top flange contact position of the upper high strength steel plate and right U-steel
Time interval is provided with multiple connecting holes respectively, concrete slab is equipped on the upper high strength steel plate, in the concrete
The left and right sides of plate position corresponding with multiple connecting holes has preformed hole, in each preformed hole and is corresponding to it
A section weakening type bolt is respectively connected in the connecting hole of setting；
The section weakening type bolt includes the bolt that top has nut, and the bolt includes successively phase from top to bottom
Be connected with the Smooth rod segment set, necking down rod segment, upper screw thread rod segment, under smooth rod segment and lower screw thread rod segment, wherein glazing slide bar
Section diameter, under smooth rod segment diameter, upper screw thread rod segment diameter, lower screw thread rod segment diameter it is consistent, the minimum of the necking down rod segment is horizontal
Diameter of section is less than the diameter of upper screw thread rod segment, lower nut and lower gasket is connected in the lower screw thread rod segment, described
Upper screw thread rod segment is connected with top nut and Upper gasket, and plastic screw sleeve, plastic spiral rod set are cased in the necking down rod segment
Barrel thickness is 2-3mm；
The top flange that the lower gasket of each section weakening type bolt is fixed on respective side slot fashioned iron by screwing lower nut
On bottom wall, the Upper gasket of each section weakening type bolt is tightened on the roof of upper high strength steel plate by top nut, is located at
The section weakening type bolt part on upper high strength steel plate top is arranged in concrete slab；
The left and right sides of one piece of lower high strength steel plate, institute is arranged in the lower flange support of the left U-steel and right U-steel
The lower flange of the left U-steel and right U-steel stated passes through multiple traditional high-strength bolts with lower high strength steel plate respectively and connect.
The present invention has the following advantages that compared with the existing technology and protrudes effect:
By being bolted entirely between high strength steel plate and high strength steel plate, avoids high strength steel plate welding technique and require high, weldering
Connect difficult problem.
By being bolted entirely between high strength steel plate and concrete slab, convenient for the recycling and utilization after high strength steel plate disassembly.
High-strength girder steel is combined using traditional weld stud as shear connector connection with concrete slab, and there are high-strength steel
The welding quality of plate and weld stud is difficult to ensure, the demanding problem of welding technique.And high-strength girder steel passes through with concrete slab
It is bolted combination entirely, then can give full play to the advantage that high strength steel plate compression strength is high, concrete crushing strength is good, overcome pure
The disadvantage that high brutal rigidity is small, deformation is big.
Weakening type stud shear connector in section is as the lesion element in combination beam and sacrifices element, deformability
It is good, the damage of high-strength girder steel is avoided, the Internal Force Redistribution ability of combination beam and the ductility of combination beam are improved, realizes reasonable destroy
Sequentially.
It is bolted high strength steel plate spliced girder-concrete slab combination beam simple structure, convenient and quick, rigidity of constructing and strong entirely
Degree is higher, economic performance is more excellent.
Detailed description of the invention
Fig. 1 is bolted high strength steel plate spliced girder-concrete slab combination beam structural schematic diagram for of the invention entirely；
Fig. 2 is the cross-sectional view of combination beam shown in Fig. 1；
Fig. 3 is the skiagraph of combination beam shown in Fig. 1；
Fig. 4 is that the U-steel in combination beam shown in Fig. 1 is attached with high strength steel plate using existing stud shear connector
Structural schematic diagram；
Fig. 5 is that high strength steel plate, U-steel and the concrete slab in combination shown in Fig. 1 are connected using section weakening type stud shear
The structural schematic diagram that fitting is attached；
Fig. 6 is the knot of section weakening type the stud shear connector attaching nut and gasket in connection structure shown in fig. 5
Structure schematic diagram；
Fig. 7 is the section weakening type stud shear connector detail structure figure in connection structure shown in fig. 5.
Specific embodiment
With reference to the accompanying drawing, detailed description of the preferred embodiments.
As shown in the picture, between one kind being bolted high strength steel plate spliced girder-concrete slab combination beam entirely, including left and right is opposite
Every the left U-steel 2-1 and right U-steel 2-2 of setting, two webs of the left U-steel 2-1 and right U-steel 2-2 are each other
Parallel and near to setting, the left U-steel 2-1 and right U-steel is arranged in the left and right sides support of one piece of upper high strength steel plate 1-1
On the top flange roof of 2-2.Along the length direction of U-steel, in the upper limb of the upper high strength steel plate 1-1 and left U-steel 2-1
On the upper high strength steel plate 1-1 and left U-steel 2-1 of edge contact position and the upper high strength steel plate 1-1 and right U-steel 2-2
Top flange contact position upper high strength steel plate 1-1 and right U-steel 2-2 on respectively time interval be provided with multiple connecting holes, in institute
Concrete slab 5 is installed on the upper high strength steel plate 1-1 stated, the left and right sides and multiple companies in the concrete slab 5
It connects the corresponding position in hole and has preformed hole.In each preformed hole and it is corresponding to it in the connecting hole of setting and is respectively connected with one
Section weakening type bolt 4.
The section weakening type bolt 4 includes the bolt that top has nut, and the bolt includes from top to bottom successively
Be connected setting Smooth rod segment 8, necking down rod segment 11, upper screw thread rod segment 14, under smooth rod segment 12 and lower screw thread rod segment 15.Its
In, 8 diameter of Smooth rod segment, under smooth 12 diameter of rod segment, upper 14 diameter of screw thread rod segment, lower 15 diameter of screw thread rod segment it is consistent.Institute
The minimum cross sectional diameter for stating necking down rod segment 11 is less than the diameter of upper screw thread rod segment 14, is connected in the lower screw thread rod segment 15
Lower nut 9-1 and lower gasket 10-1 is connected with top nut 9-2 and Upper gasket 10-2 in the upper screw thread rod segment, described
Plastic screw sleeve 13 is cased in necking down rod segment 11.Plastic screw sleeve 13 should have 2-3mm wall thickness with strengthen rigidity and intensity, prevent
It is only deformed in necking down rod segment 11 by the pressure of high-strength mortar, enhancing is brought to weaken the adverse effect of section rigidity.
The lower gasket 10-1 of each section weakening type bolt 4 is fixed on respective side slot fashioned iron by screwing lower nut 9-1
On the bottom wall of top flange, the Upper gasket 10-2 of each section weakening type bolt 4 is tightened by top nut 9-2 in upper high-strength steel
On the roof of plate 1-1.Section weakening type bolt part positioned at the top upper high strength steel plate 1-1 is arranged in concrete slab 5.
A left side of one piece of lower high strength steel plate 1-2 is arranged in the lower flange support of the left U-steel 2-1 and right U-steel 2-2
The lower flange of right two sides, the left U-steel 2-1 and right U-steel 2-2 and lower high strength steel plate 1-2 pass through multiple tradition respectively
High-strength bolt 3 connects.
The high strength steel plate refers to trade mark Q460 steel.The high-strength bolt refer to bolt performance rate be 8.8 grades and
10.9 grades of bolt.
As shown in figure 5, concrete slab 5 is if cast in place concrete plate: in combination beam steel construction part top flange upper surface branch
Mould successively binds board bottom muscle 7, plate face muscle 6, casting concrete, maintenance, demoulding；Concrete slab 5 is if precast slab:
Precast slab of the prefabrication with preformed hole, lifting is seated in combination beam steel construction part top flange upper surface, to coagulation
After the preformed hole filling high-strength mortar of native plate, conserved.
The preferred necking down rod segment 11 uses outer profile any for arc-shaped concave, half round concave, triangular shaped recess surface etc.
Weaken the necking down structure of effect with section.Necking down rod segment 11 should be located at the top of upper high strength steel plate 1-1.The work of necking down rod segment 11
The deformability that bolt was shifted to necking down rod segment 11 and enhanced in position is destroyed with for induction.
The above-mentioned description of this invention is that this hair can be understood and applied for the ease of those skilled in the art
It is bright.The personnel for being familiar with the field technology obviously easily can make various modifications to the present invention, and be applied to other embodiments
In go without having to go through creative labor.Therefore, the present invention is not limited to embodiments here, and those skilled in the art are according to this
The announcement of invention, improvement and modification made without departing from the scope of the present invention all should be within protection scope of the present invention.
Claims (2)
1. a kind of be bolted high strength steel plate spliced girder-concrete slab combination beam entirely, it is characterised in that: including left and right relative spacing
Two webs of the left U-steel and right U-steel being arranged, the left U-steel and right U-steel are parallel to each other to be arranged close to,
The left and right sides support of one piece of upper high strength steel plate is arranged on the top flange roof of the left U-steel and right U-steel, along slot
The length direction of fashioned iron, in the upper high strength steel plate and left slot of the top flange contact position of the upper high strength steel plate and left U-steel
On fashioned iron and on the upper high strength steel plate and right U-steel of the top flange contact position of the upper high strength steel plate and right U-steel
Time interval is provided with multiple connecting holes respectively, concrete slab is equipped on the upper high strength steel plate, in the concrete
The left and right sides of plate position corresponding with multiple connecting holes has preformed hole, in each preformed hole and is corresponding to it
A section weakening type bolt is respectively connected in the connecting hole of setting；
The section weakening type bolt includes the bolt that top has nut, and the bolt includes being sequentially connected to set from top to bottom
The Smooth rod segment set, necking down rod segment, upper screw thread rod segment, under smooth rod segment and lower screw thread rod segment, wherein Smooth rod segment is straight
Diameter, under smooth rod segment diameter, upper screw thread rod segment diameter, lower screw thread rod segment diameter it is consistent, the minimum cross-section of the necking down rod segment
Diameter is less than the diameter of upper screw thread rod segment, lower nut and lower gasket is connected in the lower screw thread rod segment, in the upper spiral shell
Rasp bar section is connected with top nut and Upper gasket, and plastic screw sleeve, plastic screw sleeve wall are cased in the necking down rod segment
Thickness is 2-3mm；
The bottom wall that the lower gasket of each section weakening type bolt is fixed on the top flange of respective side slot fashioned iron by screwing lower nut
On, the Upper gasket of each section weakening type bolt is tightened on the roof of upper high strength steel plate by top nut, is located at upper height
The section weakening type bolt part on strong steel plate top is arranged in concrete slab；
The left and right sides of one piece of lower high strength steel plate is arranged in the lower flange support of the left U-steel and right U-steel, described
The lower flange of left U-steel and right U-steel passes through multiple traditional high-strength bolts with lower high strength steel plate respectively and connect.
2. according to claim 1 be bolted high strength steel plate spliced girder-concrete slab combination beam entirely, it is characterised in that:
The necking down rod segment uses outer profile for arc-shaped concave, half round concave or triangular shaped recess surface necking down structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107409.6A CN109811965A (en) | 2019-02-02 | 2019-02-02 | It is a kind of to be bolted high strength steel plate spliced girder-concrete slab combination beam entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107409.6A CN109811965A (en) | 2019-02-02 | 2019-02-02 | It is a kind of to be bolted high strength steel plate spliced girder-concrete slab combination beam entirely |
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| Publication Number | Publication Date |
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| CN109811965A true CN109811965A (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107409.6A Pending CN109811965A (en) | 2019-02-02 | 2019-02-02 | It is a kind of to be bolted high strength steel plate spliced girder-concrete slab combination beam entirely |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173074A (en) * | 2019-06-15 | 2019-08-27 | 重庆大学 | A kind of face-to-face C-type steel web holes of double limbs and the split steel member with ribbed stiffener |
| CN110173073A (en) * | 2019-06-15 | 2019-08-27 | 重庆大学 | A kind of back-to-back C-type steel web holes of double limbs and the split steel member with ribbed stiffener |
| CN111042435A (en) * | 2019-12-24 | 2020-04-21 | 太原理工大学 | Assembled combined H-shaped section steel beam and assembling method thereof |
| CN112814276A (en) * | 2021-02-08 | 2021-05-18 | 江苏科技大学 | Steel-concrete composite beam with friction connection for limiting transfer of floor slab inertia force |
| CN114703864A (en) * | 2022-04-01 | 2022-07-05 | 深圳市巨鲲科技有限公司 | Section steel splicing device |
| CN116219866A (en) * | 2023-05-08 | 2023-06-06 | 北京建工土木工程有限公司 | Shearing and pulling resistant connecting piece and construction method thereof |
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| KR20060017949A (en) * | 2004-08-23 | 2006-02-28 | 박상현 | Field-fabricated prestressing steel-composed girder and construction method of continuous bridge using the girder |
| CN201606376U (en) * | 2009-12-30 | 2010-10-13 | 宁波浩渤工贸有限公司 | High-strength fastening bolt |
| CN202347729U (en) * | 2011-10-27 | 2012-07-25 | 海门市龙鑫钢制品有限公司 | Improved steel structure support beam |
| CN103590322A (en) * | 2013-11-05 | 2014-02-19 | 上海市政工程设计研究总院（集团）有限公司 | Shear force connecting part, combination beam comprising same and construction method of combination beam |
| CN205101352U (en) * | 2015-11-06 | 2016-03-23 | 山东瑞京建筑科技有限公司 | Heated board, template fixing bolt subassembly and corresponding combination building templates |
| CN209855047U (en) * | 2019-02-02 | 2019-12-27 | 天津大学 | Full-bolt-connection high-strength steel plate assembled beam-concrete slab combined beam |
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| US5433570A (en) * | 1992-05-15 | 1995-07-18 | Sfs Industrie Holding Ag | Screw with unthreaded portion formed for absorbing bending loads |
| KR20060017949A (en) * | 2004-08-23 | 2006-02-28 | 박상현 | Field-fabricated prestressing steel-composed girder and construction method of continuous bridge using the girder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173074A (en) * | 2019-06-15 | 2019-08-27 | 重庆大学 | A kind of face-to-face C-type steel web holes of double limbs and the split steel member with ribbed stiffener |
| CN110173073A (en) * | 2019-06-15 | 2019-08-27 | 重庆大学 | A kind of back-to-back C-type steel web holes of double limbs and the split steel member with ribbed stiffener |
| CN111042435A (en) * | 2019-12-24 | 2020-04-21 | 太原理工大学 | Assembled combined H-shaped section steel beam and assembling method thereof |
| CN112814276A (en) * | 2021-02-08 | 2021-05-18 | 江苏科技大学 | Steel-concrete composite beam with friction connection for limiting transfer of floor slab inertia force |
| CN114703864A (en) * | 2022-04-01 | 2022-07-05 | 深圳市巨鲲科技有限公司 | Section steel splicing device |
| CN114703864B (en) * | 2022-04-01 | 2024-01-16 | 深圳市巨鲲科技有限公司 | Section steel splicing device |
| CN116219866A (en) * | 2023-05-08 | 2023-06-06 | 北京建工土木工程有限公司 | Shearing and pulling resistant connecting piece and construction method thereof |
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