CN207193731U - A kind of modularization steel bridge main bridge structure - Google Patents
A kind of modularization steel bridge main bridge structure Download PDFInfo
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- CN207193731U CN207193731U CN201721082859.7U CN201721082859U CN207193731U CN 207193731 U CN207193731 U CN 207193731U CN 201721082859 U CN201721082859 U CN 201721082859U CN 207193731 U CN207193731 U CN 207193731U
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- girder
- square steel
- partition panel
- bridge
- steel tube
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- 238000005192 partition Methods 0.000 claims abstract description 30
- 229910000754 Wrought iron Inorganic materials 0.000 claims abstract description 6
- 239000004567 concrete Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229910018137 Al-Zn Inorganic materials 0.000 claims description 3
- 229910018573 Al—Zn Inorganic materials 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 239000011384 asphalt concrete Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of modularization steel bridge main bridge structure, the modularization steel bridge main bridge structure includes girder（1）, expansion joint（2）, anti-fall girder apparatus（3）And rubber support（4）；The girder（1）Mainly it is formed by connecting by more square steel tube side-by-sides；The girder（1）Also include high-strength bolt（5）, crossbeam（6）And partition panel（7）；Pass through high-strength bolt between the more square steel tubes（5）It is fixedly connected；The partition panel（7）Two blocks of steel plates are connected for two small rod iron to be made.The utility model is simple in construction, and design science is reasonable, can effectively solve existing main beam structure complexity, assembles the engineering time length of cost, and complex procedures are cumbersome；The problem of being inconvenient to transport and lifting.
Description
Technical field
It the utility model is related to steel bridge construction field, and in particular to a kind of modularization steel bridge main bridge structure.
Background technology
Paving steel bridge deck is the important component of bridge driving system, and its quality directly influences the safety of driving
Property, comfortableness, bridge durability and returns of investment and social benefit.The appearance of orthotropic deck system, is greatly reduced
The weight of bridge, makes the across footpath of bridge longer, promotes the construction of large span bridge, paving steel bridge deck technology is accompanied by
The construction of large span bridge and the special pavement technique of a high-tech difficulty to grow up.Due to orthotropic steel bridge deck
The stiffness of system is small, and deformation is big, and the requirement to paving steel bridge deck is very harsh, thus turns into a global problem.Steel bridge
Face, which is mated formation, to be laid immediately on orthotropic plate, in factors such as traffic load, wind load, temperature change and Steel Bridge Deck local deformations
Under the influence of, its stress and deformation are complicated far beyond highway pavement or airfield runway, thus to its high-temperature stability, antifatigue cracking
Property, retinue's property to steel plate deformed, deformation characteristic, layers cementing and perfect guarded drainage system etc. have high requirement.
Simultaneously as residing specific position of mating formation, there is that in light weight, caking property is high, the particular/special requirement such as waterproof again in performance.
China's paving steel bridge deck successively used asphalt concrete, modified asphalt concrete, SMA, bituminous epoxy to mix
There is individual layer, double in solidifying soil, cast asphalt concrete, retinasphal combined system (ERS) etc., the structure of paving steel bridge deck
The forms such as layer, multilayer.The characteristics of due to this body structure of Steel Bridge Deck, Steel Bridge Deck Pavement stress and deformation ratio highway pavement are answered
Miscellaneous is more, and the rigidity of Steel Bridge Deck is smaller, and deformation is larger, in the utilization of Practical Project, compared with prevailing roadway structure sheaf, and steel bridge
Face pave-load layer is more easy to the multiple diseases such as rut, cracking, delamination occur.
In recent ten years, in many Large Span Bridges of China's construction, Orthotropic Steel Bridge Deck system is due to from heavy and light
And good economy performance and more and more applied.But the problem of mating formation of orthotropic steel bridge deck, not yet obtain at home very
Good solution, it is mostly de- in the presence of the bottom (i.e. floorings) of different degrees of rut, cracking, asphalt concrete pavement and Steel Bridge Deck
The disease such as layer and sliding.China is completed the Large Span Bridges used at present, because the technical scheme of use is unreliable, deposits mostly
In the disease such as different degrees of rut, cracking, asphalt concrete pavement and floorings delamination and sliding.
Existing main beam structure is complicated, and the engineering time that general assembling is spent is very long, and complex procedures, cumbersome；No
Convenience in transport and lifting.
Utility model content
In order to solve the above problems, the utility model proposes a kind of modularization steel bridge main bridge structure, the utility model knot
Structure is simple, and design science is reasonable, can effectively solve existing main beam structure complexity, assembles the engineering time length of cost, work
Sequence is complicated, cumbersome；The problem of being inconvenient to transport and lifting.
The technical solution of the utility model is as follows：
It is proposed a kind of modularization steel bridge main bridge structure, including girder, expansion joint, shock mount, anti-fall girder apparatus and rubber
Glue bearing；The girder is mainly formed by connecting by more square steel tube side-by-sides；The girder also includes high-strength bolt, crossbeam and cut-off
Plate；It is fixedly connected between the more square steel tubes by high-strength bolt；The partition panel is that two small rod iron connects two pieces
Steel plate is made；The partition panel is filled in specified location from one end of square steel tube, and will by the connected mode of spot welding
Partition panel and square steel tube are fixedly connected；The square steel tube is additionally provided with for installing horizontal stroke in the specified location side wall of partition panel
The through hole of beam；The crossbeam is formed for round steel pipe, and the slip for strengthening round steel pipe direction across bridge is provided with round steel pipe
The shear bar of power；The crossbeam is concatenated more square steel tubes by through hole；Specified location of the square steel tube in partition panel
Place top is additionally provided with the plug hole for pouring into a mould concrete；The square steel tube both ends bottom in two outsides is provided with and prevented in the girder
Fall girder apparatus supports the use pre-manufactured hole；The expansion joint is arranged on girder and the both ends of abutment junction；The rubber support is set
Put the bottom of the pre-manufactured hole in girder；Installation is fixed in the concrete of the anti-fall girder apparatus through pre-manufactured hole and abutment.
General plotting of the present utility model：The pontic of steel bridge is subjected to sub-module, girder with square steel tube mainly by entering more
Row combines, and is fixed between each square steel tube by bolt, be able to can be assembled without operations such as welding；
And girder can split into multiple units, the building materials transport of installation in advance and the lifting of building materials are carried out, can greatly be saved
Save the time of construction, the efficiency of construction improved, without large-scale auxiliary equipment, it is only necessary to using common steam crane can carry out handling and
Installation.Anti-fall girder apparatus by pre-manufactured hole and girder install so that whole process is easier, more efficient.Cut-off
Plate is pre-installed in inside square steel tube in workshop, is fixedly mounted in workshop by spot welding, when reaching job location, is avoided
Because the reasons such as environment, landform, weather influence to caused by construction, the operating efficiency of engineering is further lifted.
Further, the distance that partition panel is installed on the every square steel tube is 2-4m.
Further, the bottom of the girder is additionally provided with stress control point.
Further, the surface of the girder is additionally provided with high-durability aqueous coating and high Al-Zn base coating.
A kind of construction method of modularization steel bridge main bridge structure, comprises the following steps：
Step 1: more square steel tubes are carried out to meet general-utility car transport cutting processing and perforate operation, and use
Normal screws carry out the prepackage of partition panel, crossbeam；
Step 2: the good girder of preparatory processing is transported to job location；
Step 3: the part normal screws on the good girder of preparatory processing are substituted for into high-strength bolt, and reclaim
The normal screws replaced；
Step 4: installing rubber support in advance on the bridge pier of job location, girder is then lifted using steam crane block-by-block
On group to bridge pier rubber support；
Step 5: after rigging out, the plain bolt for connecting each girder is changed one by one, is replaced with high-strength bolt pair and is checked
Whether tighten；
Step 6: anti-fall girder apparatus is installed in specified location, threaded rod iron concreting in specified location
On, after concrete setting, locking nut is tightened, and cover protective cover；
Step 7: checking the sealing of partition panel, the position of crossbeam and shear bar is adjusted, and simultaneously in multiple partition panels
Interior casting concrete；
Step 8: after concrete setting, with the gap between each main spandrel girder of fluid sealant polishing；
Step 9: installation settings assembles the guardrail and auxiliary equipment on bridge in the expansion joint at girder both ends.
Further, in the step 7 partition panel carry out concrete cast speed for 20-80 cubes per hour.
Further, the model m20 square head bolts that the high-strength bolt uses.
Further, the rubber support using benzvalene form tetrafluoroethene teflon slider bearing.
Further, square steel tube can be replaced the forms such as rectangular steel pipe, channel-section steel, H profile steel, the combination of girder in the step 1
Quantity is odd number.
The beneficial effects of the utility model：
1st, main beam structure it is simple, using modularized design, production, construction.
2nd, truss depth is small, saves space.
3rd, erected on site is without the operation such as welding.
4th, the detachable multiple units of girder, convenience in transport and lifting.
5th, it can be loaded and unloaded and be installed using common steam crane, without large-scale auxiliary equipment.
6th, it is fast to set up speed, the erection of girder, short construction period can be completed in one day.
7th, the utility model is simple in construction, and design science is reasonable, can effectively solve existing main beam structure complexity, group
The engineering time length that dress is spent, complex procedures are cumbersome；The problem of being inconvenient to transport and lifting.
Brief description of the drawings
Fig. 1 is a kind of structural representation of modularization steel bridge main bridge structure middle girder；
Fig. 2 is a kind of structural representation of anti-fall girder apparatus in modularization steel bridge main bridge structure；
Fig. 3 is a kind of structural representation of modularization steel bridge main bridge structure middle cross beam；
Title and sequence number in figure：
Girder 1, expansion joint 2, anti-fall girder apparatus 3, rubber support 4, high-strength bolt 5, crossbeam 6, partition panel 7, shear bar 8.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figure 1, Figure 2 and Figure 3, there is provided a kind of modularization steel bridge main bridge structure, including girder 1, expansion joint 2, subtract
Shake bearing, anti-fall girder apparatus 3 and rubber support 4；The girder 1 is mainly formed by connecting by more square steel tube side-by-sides；The girder 1
Also include high-strength bolt 5, crossbeam 6 and partition panel 7；It is fixedly connected between the more square steel tubes by high-strength bolt 5；Institute
Partition panel 7 is stated to be made for two small rod iron, two blocks of steel plates of connection；The partition panel 7 is filled in specified from one end of square steel tube
Position, and be fixedly connected partition panel 7 and square steel tube by the connected mode of spot welding；The square steel tube is in partition panel 7
Specified location side wall be additionally provided with through hole for installing crossbeam 6；The crossbeam 6 forms for round steel pipe, and in round steel pipe
On be provided with the shear bar 8 of sliding force for strengthening round steel pipe direction across bridge；The crossbeam 6 is entered more square steel tubes by through hole
Row concatenation；The square steel tube is additionally provided with the plug hole for pouring into a mould concrete on the specified location top of partition panel 7；The master
The square steel tube both ends bottom in two outsides is provided with beam 1 supports the use pre-manufactured hole with anti-fall girder apparatus 3；Install at the expansion joint 2
At the both ends of girder 1 Yu abutment junction；The rubber support 4 is arranged on the bottom of pre-manufactured hole in girder 1；The girder falling dress
Putting 3 passes through the concrete of pre-manufactured hole and abutment that installation is fixed.
The distance that partition panel 7 is installed on the every square steel tube is 2m.
The bottom of the girder 1 is additionally provided with stress control point.
The surface of the girder 1 is additionally provided with high-durability aqueous coating and high Al-Zn base coating.
A kind of construction method of modularization steel bridge main bridge structure is proposed, is comprised the following steps：
Step 1: more square steel tubes are carried out to meet general-utility car transport cutting processing and perforate operation, and use
Normal screws carry out the prepackage of partition panel 7, crossbeam 6；
Step 2: the good girder 1 of preparatory processing is transported to job location；
Step 3: the part normal screws on the good girder 1 of preparatory processing are substituted for into high-strength bolt 5, and return
Receive the normal screws replaced；
Step 4: installing rubber support 4 in advance on the bridge pier of job location, girder is then lifted using steam crane block-by-block
1 group on bridge pier rubber support 4；
Step 5: after rigging out, the plain bolt for connecting each girder 1 is changed one by one, is replaced with the pair of high-strength bolt 5 and is examined
Look into and whether tighten；
Step 6: anti-fall girder apparatus 3 is installed in specified location, threaded rod iron concreting in specified location
On, after concrete setting, locking nut is tightened, and cover protective cover；
Step 7: check the sealing of partition panel 7, adjust the position of crossbeam 6 and shear bar 8, and simultaneously it is multiple every
Casting concrete in disconnected plate 7；
Step 8: after concrete setting, with the gap between each main spandrel girder of fluid sealant polishing；
Step 9: installation settings assembles the guardrail and auxiliary equipment on bridge in the expansion joint 2 at the both ends of girder 1.
In the step 7 partition panel carry out concrete cast speed for 20 cubes per hour.
The model m20 square head bolts that the high-strength bolt uses.
The rubber support using benzvalene form tetrafluoroethene teflon slider bearing.
Square steel tube can be replaced the forms such as rectangular steel pipe, channel-section steel, H profile steel in the step 1, and the number of combinations of girder 1 is
Odd number.
Embodiment 2：
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment and the difference of embodiment 1 are：On the every square steel tube every
The distance installed on disconnected plate 7 is 4m；The speed for carrying out concrete cast in the step 7 in partition panel is every for 80 cubes
Hour.
It is pointed out that above-described embodiment is only to illustrate technical concepts and features of the present utility model, its object is to
Allow person skilled in the art to understand content of the present utility model and implement according to this, it is new that this practicality can not be limited with this
The protection domain of type.All equivalent change or modifications made according to the utility model Spirit Essence, it should all cover new in this practicality
Within the protection domain of type.
Claims (4)
- A kind of 1. modularization steel bridge main bridge structure, it is characterised in that：The modularization steel bridge main bridge structure includes girder （1）, expansion joint（2）, anti-fall girder apparatus（3）And rubber support（4）；The girder（1）Mainly it is formed by connecting by more square steel tube side-by-sides；The girder（1）Also include high-strength bolt（5）, crossbeam （6）And partition panel（7）；Pass through high-strength bolt between the more square steel tubes（5）It is fixedly connected；The partition panel（7）For Two small rod iron connects two blocks of steel plates and is made；The partition panel（7）Filled in from one end of square steel tube to specified location, and By the connected mode of spot welding by partition panel（7）It is fixedly connected with square steel tube；The square steel tube is in partition panel（7）Specify Opening position side wall is additionally provided with for installing crossbeam（6）Through hole；The crossbeam（6）Formed for round steel pipe, and in round steel pipe It is provided with the shear bar of the sliding force for strengthening round steel pipe direction across bridge（8）；The crossbeam（6）By through hole by more square steel tubes Concatenated；The square steel tube is in partition panel（7）Specified location top be additionally provided with plug hole for pouring into a mould concrete；Institute State girder（1）In the square steel tube both ends bottom in two outsides be provided with and anti-fall girder apparatus（3）Support the use pre-manufactured hole；The expansion joint（2）Installed in girder（1）With the both ends of abutment junction；The rubber support（4）It is arranged on girder（1）The bottom of middle pre-manufactured hole；The anti-fall girder apparatus（3）Installation is fixed in concrete through pre-manufactured hole and bridge pier.
- 2. modularization steel bridge main bridge structure according to claim 1, it is characterised in that：Separate on the every square steel tube Plate（7）The distance of installation is 2-4m.
- 3. modularization steel bridge main bridge structure according to claim 1, it is characterised in that：The girder（1）Bottom also Provided with stress control point.
- 4. modularization steel bridge main bridge structure according to claim 1, it is characterised in that：The girder（1）Surface also Provided with high-durability aqueous coating and high Al-Zn base coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082859.7U CN207193731U (en) | 2017-08-28 | 2017-08-28 | A kind of modularization steel bridge main bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082859.7U CN207193731U (en) | 2017-08-28 | 2017-08-28 | A kind of modularization steel bridge main bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207193731U true CN207193731U (en) | 2018-04-06 |
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ID=61795220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721082859.7U Expired - Fee Related CN207193731U (en) | 2017-08-28 | 2017-08-28 | A kind of modularization steel bridge main bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207193731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326792A (en) * | 2017-08-28 | 2017-11-07 | 周雷 | A kind of modularization steel bridge main bridge structure and its construction method |
-
2017
- 2017-08-28 CN CN201721082859.7U patent/CN207193731U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326792A (en) * | 2017-08-28 | 2017-11-07 | 周雷 | A kind of modularization steel bridge main bridge structure and its construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210811 Address after: 545000 plot a-07-2, Luowei industrial concentration zone, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Yuqian mechanical equipment Co.,Ltd. Address before: 545000 plot a-07-2, Luowei industrial concentration zone, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: Zhou Lei |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 |