CN107142831A - Bicycle high speed steel box girder and preparation method thereof - Google Patents
Bicycle high speed steel box girder and preparation method thereof Download PDFInfo
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- CN107142831A CN107142831A CN201710366520.8A CN201710366520A CN107142831A CN 107142831 A CN107142831 A CN 107142831A CN 201710366520 A CN201710366520 A CN 201710366520A CN 107142831 A CN107142831 A CN 107142831A
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- 229910000997 High-speed steel Inorganic materials 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 46
- 238000000465 moulding Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The embodiment of the present invention is applied to bicycle expressway technical field, and there is provided one kind driving high speed steel box girder and preparation method thereof.The steel lid girder construction includes main beam and two curb girder bodies, and two curb girder bodies are respectively welded at the both sides of main beam, form the integrative-structure for carrying bicycle；The main beam of the steel box girder is molded as one with two curb girder bodies using " counter to fill method " making, and the present invention both can guarantee that overall construction intensity, architectural appearance be can guarantee that again, while simple for production.
Description
Technical field
The invention belongs to bicycle expressway technical field, more particularly to bicycle high speed steel box girder and its making side
Method.
Background technology
The final purpose of Traffic Development is the outside environment that sequence is provided with for the mankind, with it is people-oriented, green go out
The proposition of the Modern City Traffic theories such as row, the city slow-vehicle system by representative of bicycle expressway is progressively taken seriously.
Bicycle expressway refers to the urban transportation infrastructure for being exclusively used in cycling, with 3 features：1) row
Sail speed fast, traffic efficiency is high.Due to Computer method in current city, the travel speed of bicycle is less than 10km/h, and voluntarily
Scooter 30km/h during the design of car highway, the efficiency that greatly improves that cyclists only alleviates the congestion of large size city indirectly
Effect.2) it is people-oriented, embody fair.Bicycle highway carries out the non-separation of machine so that bicycle enjoys independent right of way, fills
Code insurance protects injury of the cycling person from motor vehicle, and reduces influencing each other for two kinds of vehicles.3) environmental protection, it is low
Carbon health.Green Travel is advocated in bicycle expressway, life idea, protection urban ecology to improving modern city low-carbon environment-friendly
Environment has positive meaning.
The bicycle traffic system of current domestic city is still in the starting stage, its planning and designing, manufacture install it is theoretical and
Technology far falls behind countries in Europe.This problem puts forth effort on the planning of large size city bicycle expressway and builds key issue and grinds
Study carefully, by reasonably planning, perfect design and overall process construction, propose city bicycles expressway system integration solution party
Case, it is significant to the green in promotion city, low-carbon and sustainable development.And the existing steel box-girder for as bridge
Structure haves the shortcomings that bulk strength is not high, volume is big, transport inconvenience and making are complicated.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is to provide a kind of bicycle high speed steel box girder and its system
Make method, it is intended to solve the shortcoming that bulk strength of the prior art is inadequate, making is complicated.
The embodiment of the present invention is achieved in that a kind of bicycle high speed steel box girder, including main beam, the steel case
Beam also includes two curb girder bodies, and described two curb girder bodies are respectively welded at the both sides of the main beam, is formed for carrying voluntarily
The integrative-structure of car.
Further, the main beam include main roof, central web, some first diaphragm plates, two pieces of outboard webs with
And bottom plate；The central web upper and lower ends are welded between the bottom plate and the main roof respectively, and described some first
Diaphragm plate is arranged at intervals, and its inner side is welded on the bottom plate and central web, is welded on the inside of the outboard web
The outside of described some first diaphragm plates, and its bottom and bottom plate welding, if the main roof is welded described
On dry first diaphragm plate, and welded with the top of the outboard web.
The curb girder body includes some second diaphragm plates, two packaged plaques and two pieces of side top plates, and described two pieces are welded respectively
The both sides of main roof are connected on, the side top plate collectively forms a plane with main roof, and described some second diaphragm plates are welded
In the outside of the outboard web, the decorative panel is welded between the bottom plate and the side top plate, and lid is set described in welding
Some second diaphragm plates.
Further, the central web vertical welding is mounted between the bottom plate and main roof, and described some first are horizontal
Divider upright is welded in the central web.
Further, described some first diaphragm plates are mounted in described outer with described some equal vertical weldings of second diaphragm plate
On coxostermum.
Further, it is vertically welded with plate on the main roof, side top plate, central web, outboard web and bottom plate
Rib, described some first diaphragm plates on some second diaphragm plates with offering groove, and the rib of slab welding equipment is in the groove
In.
The embodiment of the present invention additionally provides a kind of preparation method of bicycle high speed steel box girder as described above, the system
Comprise the following steps as method：
S1, moulding bed is set up, some steel plates are passed through into welding on moulding bed, form the main beam of integrative-structure, the girder
The upper surface of body is lain on the moulding bed.
S2, it is respectively welded curb girder body in the both sides of the main beam, the upper surface of the main beam and curb girder body is same
In plane.
Further, the main beam include main roof, central web, some first diaphragm plates, two pieces of outboard webs with
And bottom plate；The step S1 comprises the following steps：
S11, by steel profile by being welded to each other, the square moulding bed of integrative-structure is formed, by the upper surface of the main roof
Lie on the square moulding bed, central web described in the middle part vertical welding in the main roof；
S12, the both sides that described some first diaphragm plate vertical weldings are mounted in the central web and main roof interior table
On face, described some first diaphragm plates are uniformly distributed；
S13, the outside vertical welding outboard web in described some first diaphragm plates, and the outboard web
It is vertically welded on the main roof；
S14, base plate cover set into welding equipment on described some first diaphragm plates, and with the central web and outboard web
Welding.
Further, in step s 11, some spaced ribs of slab are welded with the inner surface of the main roof,
The central web is welded on to the middle part of the main roof again；
In step s 12, some spaced ribs of slab are welded with the both sides of the central web, described some
The surrounding of first diaphragm plate offers some spaced grooves by cutting machine, by the plate in the central web and bottom plate
The equal welding equipment of rib is in the groove of some first diaphragm plates；
In step s 13, some spaced ribs of slab are vertically welded with the both sides of described outboard web, it is described outer
Rib of slab welding equipment on the inside of coxostermum is in the groove on described some first diaphragm plates；
In step S14, some spaced ribs of slab are welded with the inner surface of the bottom plate, by the bottom plate
Rib of slab welding equipment in the groove of described some first diaphragm plates.
Further, the curb girder body includes some second diaphragm plates, two packaged plaques and two pieces of side top plates；The step
Rapid S2 comprises the following steps：
S21, the both sides that two pieces of side top plates are respectively welded to the main roof, and its upper surface and main roof
Upper surface constitutes same plane；
S22, by the vertical welding equipment of some second diaphragm plates on the outside of the outboard web and two pieces of side top plates；
S23, the decorative panel is respectively welded between the bottom plate and side top plate, and welding lid sets described some the
Two diaphragm plates.
Further, in the step 22, offered on described some second diaphragm plates by cutting machine some
Spaced groove, is welded with the inside of rib of slab, the side top plate and on the outside of outboard web in the inner vertical of the side top plate
On rib of slab welding equipment in groove on some second diaphragm plates.
Compared with prior art, beneficial effect is the embodiment of the present invention：The steel box girder of the present invention includes main beam
With two curb girder bodies, two curb girder bodies are respectively welded at the both sides of main beam, form the integrative-structure for carrying bicycle.Should
Steel box girder both can guarantee that overall construction intensity, and architectural appearance is can guarantee that again, and the manufacturing process of the steel lid girder construction is
Using " counter to fill method " progress welding production shaping, it has the advantages that simple for production.
Brief description of the drawings
Fig. 1 is bicycle high speed steel box girder overall schematic provided in an embodiment of the present invention；
Fig. 2 is Fig. 1 decomposition texture schematic diagram；
Fig. 3 is the bicycle high speed steel box girder first step Making programme schematic diagram shown in Fig. 1；
Fig. 4 is the bicycle high speed steel box girder second step Making programme schematic diagram shown in Fig. 1；
Fig. 5 is the step Making programme schematic diagram of bicycle high speed steel box girder the 3rd shown in Fig. 1；
Fig. 6 is the step Making programme schematic diagram of bicycle high speed steel box girder the 4th shown in Fig. 1；
Fig. 7 is the step Making programme schematic diagram of bicycle high speed steel box girder the 5th shown in Fig. 1；
Fig. 8 is the step Making programme schematic diagram of bicycle high speed steel box girder the 6th shown in Fig. 1；
Fig. 9 is the step Making programme schematic diagram of bicycle high speed steel box girder the 7th shown in Fig. 1；
Figure 10 is the step Making programme schematic diagram of bicycle high speed steel box girder the 8th shown in Fig. 1.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 and 2, it is a kind of bicycle high speed steel box girder provided in an embodiment of the present invention, the steel box-girder
Structure includes main beam 1 and two curb girder bodies 2, and two curb girder bodies 2 are respectively welded at the both sides of main beam 1, is formed for carrying
The integrative-structure of bicycle.Specifically, main beam 1 include main roof 11, central web 12, some first diaphragm plates 13, two pieces
Outboard web 14 and bottom plate 15.The upper and lower ends of central web 12 are welded between bottom plate 15 and main roof 11 respectively, Ruo Gan
One diaphragm plate 13 is arranged at intervals, and its inner side is welded on bottom plate 15 and central web 12, and the inner side of outboard web 4 is welded
The outside of some first diaphragm plates 13, and its bottom welds with bottom plate 15.Main roof 11 is welded in some first diaphragm plates 13
On, and welded with the top of outboard web 14.Curb girder body 2 includes some second diaphragm plates 22, two packaged plaques 23 and two
Block side top plate 21, two pieces of side top plates 21 are respectively welded at the both sides of main roof 11, and side top plate 21 collectively forms one with main roof 11
Individual plane.Some second diaphragm plates 22 are welded in the outside of outboard web 14, and decorative panel 23 is welded in bottom plate 15 and side top plate 21
Between, and lid sets some second diaphragm plates 22 of welding.Main beam 1 and two curb girder bodies 2 constitute an entirety, it is ensured that structure is strong
Degree and architectural appearance, while simple for production；It is higher than common vehicle and the steel box girder is as bicycle expressway bridge
Small many of the cross-sectional width of fast line structure, are readily transported.
In above-described embodiment, the vertical welding of central web 12 is mounted between bottom plate 15 and main roof 11, some first diaphragm plates
13 vertical weldings are in central web 12.Some first diaphragm plates 13 are mounted in outer flank with the equal vertical welding of some second diaphragm plates 22
On plate 14.Rib of slab 3 is vertically welded with main roof 11, side top plate 21, central web 12, outboard web 14 and bottom plate 15.
Some first diaphragm plates 13 on some second diaphragm plates 22 with offering groove 4, and the welding equipment of rib of slab 3 so can in groove 4
Ensure overall intensity effect, construction material can be saved again, accelerate efficiency of construction.
A kind of preparation method for bicycle high speed steel box girder as described above that the embodiment of the present invention is also provided, such as schemes
Shown in 3 to Figure 10, the flow of the preparation method comprises the following steps：
S1, moulding bed 10 is set up, some steel plates are passed through into welding on moulding bed 10, form the main beam 1 of integrative-structure, girder
The upper surface of body 1 is lain on moulding bed 10.
S2, it is respectively welded curb girder body 2 in the both sides of main beam 1, the upper surface of main beam 1 and curb girder body 2 is in same plane
On.
Above-mentioned step S1 comprises the following steps：
S11, by steel profile by being welded to each other, the square moulding bed 10 of integrative-structure is formed, by the upper surface of main roof 11
Lie on square moulding bed 10, some spaced ribs of slab 3 are welded with the inner surface of main roof 11, then in main roof
11 middle part vertical welding central web 12.
S12, be welded with some spaced ribs of slab 3 in the both sides of central web 12, the first diaphragm plate 13 by main body and
Stiffening ring is welded to each other composition, and main body is shaped piece, and complex contour is directly shaped, stiffening ring by the direct blanking of numerical control cutting machine
By lath by hydraulic press bending, then by flame straightening to standard shape it is plastic.Pass through cutting machine in the surrounding of main body
Offer some spaced grooves 4.So, by the groove 4 on some first diaphragm plates 13 and the both sides of central web 12 and
Rib of slab 3 on the inner surface of main roof 11 is mutually inserted and welded together, and some first diaphragm plates 13 are evenly distributed on into master
On top plate 11.
S13, some spaced ribs of slab 3 are vertically welded with the both sides of outboard web 14, by some first diaphragm plates
Together with rib of slab 3 on the inside of groove 4 and outboard web 14 on 13 outsides is mutually perpendicular to be welded, and outboard web 14 is hung down
Directly it is welded on main roof 11.
S14, bottom plate 15 are directly rolled or using gate-type hydraulic press direct pressing after numerical control cutting machine blanking by veneer reeling machine
Into generally arcuate shape, and thermal transfer is carried out to accurate dimension.Some spaced ribs of slab are welded with the inner surface of bottom plate 15
3, by bottom plate 15 lid be located at some first diaphragm plates 13, by the welding equipment of rib of slab 3 on bottom plate 15 the first diaphragm plate 13 groove 4
It is interior, and the inner surface of bottom plate 15 is welded together with central web 12 and outboard web 14.
Above-mentioned step S2 comprises the following steps：
S21, the both sides that two pieces of side top plates 21 are respectively welded to main roof 11, and its upper surface are upper with main roof 11
Surface constitutes same plane.
S22, on some second diaphragm plates 22 some spaced grooves 4 are offered by cutting machine, in side top plate
21 inner vertical is welded with rib of slab 3, by the welding equipment of rib of slab 3 on the inner side of side top plate 21 and the outside of outboard web 14 some second
In groove 4 on diaphragm plate 22.
S23, decorative panel 23 is respectively welded between bottom plate 15 and side top plate 21, and welding lid sets some second diaphragm plates
22。
The preparation method of above-mentioned bicycle high speed steel box girder using main roof 11 first lain against into moulding bed 10, then with
After the central web that is welded on the basis of mainboard top plate 11 12, the first diaphragm plate 13 and outboard web 14, be finally welded bottom plate 15 again,
I.e. by the production method of " counter to fill method ", and the main beam 1 that is first welded, then the production method for the curb girder body 2 that is welded is used to cause this
Bicycle high speed steel box girder manufacture craft simply, conveniently, and ensure that the bulk strength and precision of the steel box girder.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of bicycle high speed steel box girder, including main beam, it is characterised in that the steel box-girder also includes two curb girders
Body, described two curb girder bodies are respectively welded at the both sides of the main beam, form the integrative-structure for carrying bicycle.
2. bicycle high speed steel box girder as claimed in claim 1, it is characterised in that the main beam include main roof,
Central web, some first diaphragm plates, two pieces of outboard webs and bottom plate；The central web upper and lower ends are welded in institute respectively
State between bottom plate and the main roof, described some first diaphragm plates are arranged at intervals, and its inner side is welded in the bottom plate
With in central web, being welded on the inside of the outboard web in the outside of described some first diaphragm plates, and its bottom with
Bottom plate welding, the main roof is welded on described some first diaphragm plates, and with the top of the outboard web
Welding.
The curb girder body includes some second diaphragm plates, two packaged plaques and two pieces of side top plates, two pieces of sides top plate difference
The both sides of main roof are welded on, the side top plate collectively forms a plane, described some second diaphragm plates weldering with main roof
Mounted in the outside of the outboard web, the decorative panel is welded between the bottom plate and the side top plate, and lid sets welding institute
Some second diaphragm plates stated.
3. bicycle high speed steel box girder as claimed in claim 2, it is characterised in that the central web vertical welding is mounted in
Between the bottom plate and main roof, described some first diaphragm plate vertical weldings are in the central web.
4. bicycle high speed steel box girder as claimed in claim 3, it is characterised in that described some first diaphragm plates with
Described some equal vertical weldings of second diaphragm plate are on the outboard web.
5. the bicycle high speed steel box girder as described in any one in claim 2 to 4, it is characterised in that the main top
Be vertically welded with rib of slab on plate, side top plate, central web, outboard web and bottom plate, described some first diaphragm plates with
Groove is offered on some second diaphragm plates, the rib of slab welding equipment is in the groove.
6. a kind of preparation method of bicycle high speed steel box girder as claimed in claim 1, it is characterised in that the making side
Method comprises the following steps：
S1, moulding bed is set up, some steel plates are formed into the main beam of integrative-structure by welding on moulding bed, the main beam
Upper surface is lain on the moulding bed.
S2, it is respectively welded curb girder body in the both sides of the main beam, the upper surface of the main beam and curb girder body is in same plane
On.
7. the preparation method of bicycle high speed steel box girder as claimed in claim 6, it is characterised in that the main beam bag
Include main roof, central web, some first diaphragm plates, two pieces of outboard webs and bottom plate；The step S1 comprises the following steps：
S11, by steel profile by being welded to each other, form the square moulding bed of integrative-structure, the upper surface of the main roof kept flat
On the square moulding bed, central web described in the middle part vertical welding in the main roof；
S12, by described some first diaphragm plate vertical weldings mounted in the central web both sides and main roof inner surface on,
Described some first diaphragm plates are uniformly distributed；
S13, the outside vertical welding outboard web in described some first diaphragm plates, and the outboard web is vertical
It is welded on the main roof；
S14, base plate cover set into welding equipment on described some first diaphragm plates, and welded with the central web and outboard web
Connect.
8. the preparation method of bicycle high speed steel box girder as claimed in claim 7, it is characterised in that
In step s 11, it is welded with some spaced ribs of slab on the inner surface of the main roof, then by the middle trusted subordinate
Plate weld is at the middle part of the main roof；
In step s 12, some spaced ribs of slab are welded with the both sides of the central web, described some first
The surrounding of diaphragm plate offers some spaced grooves by cutting machine, and the central web and rib of slab on bottom plate is equal
Welding equipment is in the groove of some first diaphragm plates；
In step s 13, some spaced ribs of slab, the outer flank are vertically welded with the both sides of described outboard web
Rib of slab welding equipment on the inside of plate is in the groove on described some first diaphragm plates；
In step S14, some spaced ribs of slab are welded with the inner surface of the bottom plate, by the plate on the bottom plate
Rib welding equipment is in the groove of described some first diaphragm plates.
9. the preparation method of bicycle high speed steel box girder as claimed in claim 8, it is characterised in that the curb girder body bag
Include some second diaphragm plates, two packaged plaques and two pieces of side top plates；The step S2 comprises the following steps：
S21, the both sides that two pieces of side top plates are respectively welded to the main roof, and the upper table of its upper surface and main roof
Face constitutes same plane；
S22, by the vertical welding equipment of some second diaphragm plates on the outside of the outboard web and two pieces of side top plates；
S23, the decorative panel is respectively welded between the bottom plate and side top plate, and to set described some second horizontal for welding lid
Dividing plate.
10. the preparation method of bicycle high speed steel box girder as claimed in claim 9, it is characterised in that
In the step 22, some spaced slopes are offered by cutting machine on described some second diaphragm plates
Mouthful, the rib of slab welding equipment on the inside of rib of slab, the side top plate and on the outside of outboard web is welded with the inner vertical of the side top plate
In groove on some second diaphragm plates.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366520.8A CN107142831A (en) | 2017-05-23 | 2017-05-23 | Bicycle high speed steel box girder and preparation method thereof |
| JP2020600045U JP3226817U (en) | 2017-05-23 | 2018-07-03 | Bicycle highway steel box girder structure |
| DE212018000231.2U DE212018000231U1 (en) | 2017-05-23 | 2018-07-03 | Steel box support structure for bicycle expressways |
| PCT/CN2018/094353 WO2018214984A1 (en) | 2017-05-23 | 2018-07-03 | Bicycle highway steel box girder structure and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366520.8A CN107142831A (en) | 2017-05-23 | 2017-05-23 | Bicycle high speed steel box girder and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107142831A true CN107142831A (en) | 2017-09-08 |
Family
ID=59777600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366520.8A Pending CN107142831A (en) | 2017-05-23 | 2017-05-23 | Bicycle high speed steel box girder and preparation method thereof |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3226817U (en) |
| CN (1) | CN107142831A (en) |
| DE (1) | DE212018000231U1 (en) |
| WO (1) | WO2018214984A1 (en) |
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| CN108086126A (en) * | 2017-12-19 | 2018-05-29 | 厦门市市政建设开发有限公司 | Monoblock type bicycle occupation bridge structure and its construction method |
| CN108301307A (en) * | 2017-12-19 | 2018-07-20 | 厦门市市政建设开发有限公司 | Separation type bicycle occupation bridge structure and its construction method |
| WO2018214984A1 (en) * | 2017-05-23 | 2018-11-29 | 中建钢构有限公司 | Bicycle highway steel box girder structure and manufacturing method therefor |
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| CN113560829A (en) * | 2021-08-20 | 2021-10-29 | 江苏京沪重工有限公司 | Machining process for semi-circular arc small tie beam |
| CN114164770A (en) * | 2022-02-10 | 2022-03-11 | 中铁山桥(南通)有限公司 | Assembling method for forward and reverse combination of ultra-wide framing steel box girder |
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| CN110258288A (en) * | 2019-05-07 | 2019-09-20 | 中交一公局桥隧工程有限公司 | Steel box-girder and steel box-girder processing method |
| CN114214934A (en) * | 2022-01-06 | 2022-03-22 | 中铁大桥勘测设计院集团有限公司 | Girder structure of double-deck bridge floor |
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| WO2018214984A1 (en) * | 2017-05-23 | 2018-11-29 | 中建钢构有限公司 | Bicycle highway steel box girder structure and manufacturing method therefor |
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| CN108086126A (en) * | 2017-12-19 | 2018-05-29 | 厦门市市政建设开发有限公司 | Monoblock type bicycle occupation bridge structure and its construction method |
| CN109530872A (en) * | 2018-09-28 | 2019-03-29 | 江苏中铁山桥重工有限公司 | A kind of 120mm slab and 24mm plate welding deformation controlling method |
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| CN114164770A (en) * | 2022-02-10 | 2022-03-11 | 中铁山桥(南通)有限公司 | Assembling method for forward and reverse combination of ultra-wide framing steel box girder |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE212018000231U1 (en) | 2020-01-07 |
| WO2018214984A1 (en) | 2018-11-29 |
| JP3226817U (en) | 2020-07-27 |
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