CN206667035U - A kind of well formula steel plate shear force construction of assembled composite beam bridge - Google Patents
A kind of well formula steel plate shear force construction of assembled composite beam bridge Download PDFInfo
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- CN206667035U CN206667035U CN201720190551.8U CN201720190551U CN206667035U CN 206667035 U CN206667035 U CN 206667035U CN 201720190551 U CN201720190551 U CN 201720190551U CN 206667035 U CN206667035 U CN 206667035U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A kind of well formula steel plate shear force construction of assembled composite beam bridge is the utility model is related to, it includes girder steel, concrete prefabricated board and steel plate shear force；Wherein, the girder steel has top flange plate；The top flange plate upper surface is welded with the steel plate shear force；The concrete prefabricated board is supported on top flange plate, is reserved with column polygon groove thereon, and the top in column polygon groove is exposed concrete prefabricated board top bars；The steel plate shear force is contained in column polygon groove；Pass through L-shaped reinforcement welding between the concrete prefabricated board top bars and steel plate shear force.The utility model have bonding area is big, power transmission efficiency is high, can local stress relieving concentrate, linear deformation coordinate, connect the characteristics of reliable；Its connected mode advantageously in the collaborative work of girder steel and concrete slab, improves the reliability of combination beam connecting portion, is a kind of advanced reliable shear connector connecting structure method.
Description
【Technical field】
It the utility model is related to a kind of composition construction of assembled composite beam bridge, and in particular to a kind of assembled composite beam bridge
Well formula steel plate shear force construction, belong to technical field of bridge engineering.
【Background technology】
Steel-concrete composite beam bridge can give full play to the characteristics of steel is with two kinds of materials of concrete, be a kind of function admirable
Bridge structure form.Shear connection key construction is the critical component for connecting girder steel and concrete slab, rational shear connector
Connecting structure can fully ensure that both cooperations.
The shear connector connecting structure of conventional combination bridge mainly has two kinds of peg, PBL forms, is by the shearing on girder steel
Nail cooperates to what is be attached with concrete.Both connected modes are primarily present following several deficiencies：1st, peg is with mixing
Solidifying soil contact face product is small, and soldering reliability is low, and power transmission efficiency is relatively low；2nd, the longitudinal direction of PBL shear connectors is steel plate, is laterally steel
Muscle, vertical cross stiffness difference is big, and integral rigidity is small, and power transmission is unbalanced.
Therefore, in order to solve the above technical problems, a kind of well formula steel of the assembled composite beam bridge it is necessory to provide innovation
Plate shear key structure, to overcome the defect of the prior art.
【Utility model content】
To solve the above problems, the purpose of this utility model is that the well formula steel plate for providing a kind of assembled composite beam bridge is cut
Power key constructs, and it has, and bonding area is big, power transmission efficiency is high, energy local stress relieving is concentrated, linear deformation is coordinated, connection is reliable
The characteristics of.For this connected mode advantageously in the collaborative work of girder steel and concrete slab, that improves combination beam connecting portion can
By property.
To achieve the above object, the technical scheme that the utility model is taken is：A kind of well formula steel of assembled composite beam bridge
Plate shear key structure, it includes girder steel, concrete prefabricated board and steel plate shear force；Wherein, the girder steel has top flange plate；
The top flange plate upper surface is welded with the steel plate shear force；The concrete prefabricated board is supported on top flange plate, thereon
It is reserved with column polygon groove, the top in column polygon groove is exposed concrete prefabricated board top bars；The steel plate is cut
Power key is contained in column polygon groove；Pass through L-shaped reinforcing bar between the concrete prefabricated board top bars and steel plate shear force
Welding.
The well formula steel plate shear force construction of assembled composite beam bridge of the present utility model is further arranged to：The steel plate is cut
Power key is in well formula frame structure, and it is welded and formed by some longitudinal rectangle steel plates and the short steel plate of some transverse directions；The longitudinal direction is long
Some notches are offered on square plate vertically；The short steel plate insertion groove of transverse direction is intraoral, and orthogonal thereto shape is rectangular through longitudinal direction
Shape steel plate.
The well formula steel plate shear force construction of assembled composite beam bridge of the present utility model is further arranged to：The longitudinal direction is long
Square plate specifically sets 2~3 pieces, and its long edge size be 500~800mm, is highly 250~300mm, steel plate thickness for 18~
26mm, the center spacing of adjacent longitudinal rectangle steel plate is 140~160mm.
The well formula steel plate shear force construction of assembled composite beam bridge of the present utility model is further arranged to：The transverse direction is short
Steel plate specifically sets 3~5 pieces, and the center spacing of the short steel plate of adjacent transverse is 120~160mm, uniform along longitudinal rectangle steel plate
It is arranged symmetrically；Its long edge size is 300~400mm, is highly 200~250mm, and steel plate thickness is 18~24mm.
The well formula steel plate shear force construction of assembled composite beam bridge of the present utility model is further arranged to：The notch is high
It is 22~28mm to spend for 210~260mm, width of rebate.
The well formula steel plate shear force construction of assembled composite beam bridge of the present utility model is further arranged to：The L-shaped steel
Muscle and the side of longitudinal rectangle steel plate are welded.
The well formula steel plate shear force construction of assembled composite beam bridge of the present utility model is further arranged to：The column is more
The length of side shape groove is 500mm~800mm, and width is 400~500mm, and depth is 320~400mm, chamfering while for 50~
80mm, chamfering another side are 70~110mm.
Compared with prior art, the utility model has the advantages that：
1st, the utility model using well formula steel plate shear force as connecting elements, using the wet access slot mouth of polygon, effectively
Solve the local problem of stress concentration of connector, coordinate the linear deformation of structural connection position.
2nd, the contact area of well formula steel plate and concrete is big, improves the power transmission efficiency of connector.Well formula steel plate shear force
Contact area between steel beam flange plate is big, weld seam length, and welding quality is readily obtained guarantee, makes well formula steel plate shear force and steel
Connected between beam flange plate reliable.
3rd, with L-shaped reinforcing bar respectively with the top mat of concrete prefabricated board and longitudinal rectangle of well formula steel plate shear force
Steel plate side is welded, and is advantageous to increase well formula steel plate shear force resistance to plucking efficiency, is increased cohesive force, reduces Relative sliding.
【Brief description of the drawings】
Fig. 1 is the assembling schematic diagram of the well formula steel plate shear force construction of assembled composite beam bridge of the present utility model.
Fig. 2 is the profile of A-A in Fig. 1.
Fig. 3 is the profile of B-B in Fig. 1.
Fig. 4 is the plan of steel plate shear force.
Fig. 5 a and Fig. 5 b are the structural maps of longitudinal rectangle steel plate of steel plate shear force.
Fig. 6 a and Fig. 6 b are the structural maps of the short steel plate of transverse direction of steel plate shear force.
【Embodiment】
Refer to shown in Figure of description 1 to accompanying drawing 6b, the utility model is a kind of well formula steel of assembled composite beam bridge
Plate shear key structure, it is made up of several parts such as girder steel 5, concrete prefabricated board 4 and steel plate shear forces 9.
Wherein, the girder steel 5 has top flange plate 51；The upper surface of top flange plate 51 is welded with the steel plate shear force
9。
The concrete prefabricated board 4 is supported on top flange plate 51, is reserved with column polygon groove 3 thereon, column is polygon
Top in shape groove 3 is exposed concrete prefabricated board top bars 6.Further, the length L1 of column polygon groove 3 is
500mm~800mm, width B 1 are 400~500mm, and depth H 1 is 320~400mm, and chamfering one side B2 is 50~80mm, chamfering
Another side L2 is 70~110mm.
The steel plate shear force 9 is contained in column polygon groove 3.The steel plate shear force 9 is in well formula frame structure, its by
Some longitudinal rectangle steel plates 1 and the short welding of steel plate 2 of some transverse directions are formed；Offered vertically in longitudinal rectangle steel plate 1
Some notches 11；The short steel plate 2 of transverse direction is inserted in notch 11, and orthogonal thereto shape passes through longitudinal rectangle steel plate 1.
Further, longitudinal rectangle steel plate 1 specifically sets 2~3 pieces, and its long edge size L3 is 500~800mm,
Height H2 is 250~300mm, and steel plate thickness t1 is 18~26mm, the center spacing B3 of adjacent longitudinal rectangle steel plate for 140~
160mm.The short steel plate 2 of transverse direction specifically sets 3~5 pieces, and the center spacing L4 of the short steel plate of adjacent transverse is 120~160mm, edge
Longitudinal rectangle steel plate is symmetrically arranged；Its long edge size L5 is 300~400mm, and height H3 is 200~250mm, and steel plate is thick
T2 is 18~24mm.The notch height H4 is 210~260mm, and width of rebate t3 is 22~28mm.
Longitudinal rectangle steel plate 1 of the present utility model and the size of horizontal short steel plate 2 can be adjusted suitably, make column polygon
The position of groove 3 and well formula steel plate shear force 9 match, and the minimum aperture of periphery and precast concrete reaches more than 40mm, makes well formula
Longitudinal rectangle steel plate 1 of steel plate shear force 9 is mutually close with the top bars 6 in column polygon groove 3 but does not conflict, and protects simultaneously
Demonstrate,prove top bars 6 of the concrete prefabricated board 4 in column polygon groove 3 and keep continuous.
Welded between the concrete prefabricated board top bars 6 and steel plate shear force 9 by L-shaped reinforcing bar 7.Specifically,
The L-shaped reinforcing bar 7 welds with the side of concrete prefabricated board top bars 6 and longitudinal rectangle steel plate 1 respectively.
The construction method of the well formula steel plate shear force construction of assembled composite beam bridge of the present utility model, it includes following step
Suddenly：
1) precast concrete prefabricated board 4, in prefabrication process, by the reserved column polygon groove 3 of design, concrete prefabricated board 4
Concrete prefabricated board top bars 6 in reserved polygon groove 3 keeps continuous；
2) blanking is carried out to steel plate by design size, first welds longitudinal rectangle steel plate 1 and laterally short steel plate 2, be assembled into
Well formula steel plate shear force 9；
3) steel plate shear force 9 is welded on the top flange plate 51 of girder steel 5 by precalculated position；
4) the reserved column polygon groove 3 of concrete prefabricated board 4 is directed at the position of well formula steel plate shear force 9, is installed to steel
On the top flange plate 51 of beam 5；
5) the longitudinal rectangle with concrete prefabricated board top bars 6 and well formula steel plate shear force 9 respectively of L-shaped reinforcing bar 7 is used
Welded the side of steel plate 1；
6) the cast-in-place slightly expanded concrete in reserved column polygon groove 3, connects concrete prefabricated board 4 and girder steel 5
Come, cast-in-place concrete intensity, cannot be less than the intensity of concrete prefabricated board.
Embodiment above is only the preferred embodiment of this patent, all special at this not to limit this patent
Any modification, equivalent substitution and improvements for being done etc. within the spirit and principle of profit, should be included in this creation protection domain it
It is interior.
Claims (7)
- A kind of 1. well formula steel plate shear force construction of assembled composite beam bridge, it is characterised in that：Including girder steel, concrete prefabricated board And steel plate shear force；Wherein, the girder steel has top flange plate；The top flange plate upper surface is welded with the steel plate shearing Key；The concrete prefabricated board is supported on top flange plate, is reserved with column polygon groove thereon, upper in column polygon groove Portion is exposed concrete prefabricated board top bars；The steel plate shear force is contained in column polygon groove；The concrete is pre- Pass through L-shaped reinforcement welding between making sheet top bars and steel plate shear force.
- 2. the well formula steel plate shear force construction of assembled composite beam bridge as claimed in claim 1, it is characterised in that：The steel plate Shear connector is in well formula frame structure, and it is welded and formed by some longitudinal rectangle steel plates and the short steel plate of some transverse directions；The longitudinal direction Some notches are offered in rectangle steel plate vertically；The short steel plate insertion groove of transverse direction is intraoral, and orthogonal thereto shape is long through longitudinal direction Square plate.
- 3. the well formula steel plate shear force construction of assembled composite beam bridge as claimed in claim 2, it is characterised in that：The longitudinal direction Rectangle steel plate specifically sets 2~3 pieces, and its long edge size be 500~800mm, is highly 250~300mm, steel plate thickness for 18~ 26mm, the center spacing of adjacent longitudinal rectangle steel plate is 140~160mm.
- 4. the well formula steel plate shear force construction of assembled composite beam bridge as claimed in claim 2, it is characterised in that：The transverse direction Short steel plate specifically sets 3~5 pieces, and the center spacing of the short steel plate of adjacent transverse is 120~160mm, equal along longitudinal rectangle steel plate It is even to be arranged symmetrically；Its long edge size is 300~400mm, is highly 200~250mm, and steel plate thickness is 18~24mm.
- 5. the well formula steel plate shear force construction of assembled composite beam bridge as claimed in claim 2, it is characterised in that：The notch Highly it is 210~260mm, width of rebate is 22~28mm.
- 6. the well formula steel plate shear force construction of assembled composite beam bridge as claimed in claim 2, it is characterised in that：The L-shaped Reinforcing bar and the side of longitudinal rectangle steel plate are welded.
- 7. the well formula steel plate shear force construction of assembled composite beam bridge as claimed in claim 1, it is characterised in that：The column The length of polygon groove is 500mm~800mm, and width is 400~500mm, and depth is 320~400mm, chamfering while for 50~ 80mm, chamfering another side are 70~110mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190551.8U CN206667035U (en) | 2017-03-01 | 2017-03-01 | A kind of well formula steel plate shear force construction of assembled composite beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190551.8U CN206667035U (en) | 2017-03-01 | 2017-03-01 | A kind of well formula steel plate shear force construction of assembled composite beam bridge |
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| Publication Number | Publication Date |
|---|---|
| CN206667035U true CN206667035U (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720190551.8U Active CN206667035U (en) | 2017-03-01 | 2017-03-01 | A kind of well formula steel plate shear force construction of assembled composite beam bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835948A (en) * | 2017-03-01 | 2017-06-13 | 华汇工程设计集团股份有限公司 | The well formula steel plate shear force construction and its construction method of a kind of assembled composite beam bridge |
| CN109930467A (en) * | 2019-04-10 | 2019-06-25 | 西南交通大学 | Steel-ECC- concrete combination beam and preparation method thereof |
-
2017
- 2017-03-01 CN CN201720190551.8U patent/CN206667035U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835948A (en) * | 2017-03-01 | 2017-06-13 | 华汇工程设计集团股份有限公司 | The well formula steel plate shear force construction and its construction method of a kind of assembled composite beam bridge |
| CN109930467A (en) * | 2019-04-10 | 2019-06-25 | 西南交通大学 | Steel-ECC- concrete combination beam and preparation method thereof |
| CN109930467B (en) * | 2019-04-10 | 2023-10-10 | 西南交通大学 | Steel-ECC-concrete composite beam and preparation method thereof |
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