CN203498766U - Bridge and culvert structure of circular arch steel corrugated plates - Google Patents
Bridge and culvert structure of circular arch steel corrugated plates Download PDFInfo
- Publication number
- CN203498766U CN203498766U CN201320320074.4U CN201320320074U CN203498766U CN 203498766 U CN203498766 U CN 203498766U CN 201320320074 U CN201320320074 U CN 201320320074U CN 203498766 U CN203498766 U CN 203498766U
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- steel corrugated
- bridge
- arch
- circular arch
- culvert
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Abstract
The utility model relates to a bridge and culvert structure of circular arch steel corrugated plates. A circular arch bridge and culvert with a reinforced concrete structure is not adaptable to foundation deformation or uneven settlement very well, incapable of effectively buffering damage caused by earthquakes, and higher in construction cost and longer in construction period. The lower part of the bridge and culvert structure provided by the utility model is provided with foundations; a single-span bridge arch or a multiple-span bridge arch is arranged at upper parts of each two adjacent foundations; the bridge arches are all steel corrugated plate circular arches; each bridge arch is formed by assembling and fixing the steel corrugated plates through bolts. The radius of each steel corrugated plate circular arch is 2.1648m, the central angle of each steel corrugated plate circular arch is 135 degrees, the arc curvature radius of each steel corrugated plate circular arch is 4.33m, the single span of each steel corrugated plate circular arch is 4m, and the rise of each steel corrugated plate circular arch is 1.3365m. As the culvert of the steel corrugated plates has axial corrugations, the mechanics characteristic of the culvert is excellent; stress strain caused by load is simultaneously distributed in an axial direction and a radial direction, and therefore, the stress concentration of the load is effectively dispersed, and the advantages of the steel structure are exploited better. The bridge and culvert structure of the circular arch steel corrugated plates is wide in application prospect.
Description
Technical field
the utility model belongs to road traffic technical field, is specifically related to a kind of circular arch steel corrugated sheet bridges and culverts structure.
Background technology
In the unfavorable foundations such as ever-frozen ground, expansive soil, weak soil, collapsible loess, because the load being carried on ground is different, and the inhomogeneities of foundation soil, also has the impact of various extraneous factors, can there is inhomogeneous sedimentation in the ground of structure, the generation of structure distortion and structural internal force will be caused, for rigid concrete structure, if this inhomogeneous deformation is excessive, internal force ultrastructure internal force limit value, to cause crack, the destruction of concrete structure, thereby cause affecting applicable function and the life-span of works.Especially the circular arch bridges and culverts of reinforced concrete structure, can not well adapt to foundation deformation and differential settlement, cannot effectively cushion the destruction that earthquake brings, and construction cost is higher, and the duration is longer, is subject to the impact of ambient conditions in rainy season more, and construction speed is slow.
Summary of the invention
The purpose of this utility model is to provide a kind ofly can disperse the concentrated circular arch steel corrugated sheet bridges and culverts structure of load stress to a greater extent.
The technical scheme that the utility model adopts is:
A circular arch steel corrugated sheet bridges and culverts structure, bottom is provided with basis, it is characterized in that:
Top, basis is provided with single span or multispan bridge arch, and bridge arch is steel corrugated sheet circular arch, steel corrugated sheet, by bolt is assembled, fixedly consists of;
The radius of described steel corrugated sheet circular arch is 2.1648m, and central angle is 135 °, and circular arc radius of curvature is 4.33m, and single span footpath is 4m, and rise is 1.3365m.
The ripple of described steel corrugated sheet is axial ripple, and waveform is 150mm * 50mm * 28mm, and plate top thickness of earth covering is 1.08m;
150mm is the pitch of waves of axial ripple, and 50mm is wave height, and 28mm is camber line radius of curvature.
The arch spacing of described steel corrugated sheet circular arch is 0.5m.
The utlity model has following advantage:
1) distortion strong adaptability
Steel corrugated sheet bridges and culverts is flexible structure, and the tensile strength of steel is very large, works can not produce cracking destruction, guaranteed the safety of works, wave structure not only can be suitable for distortion to a certain degree, also can not cause the destruction of works, thereby effectively guarantee use function and the life-span of works.
2) be convenient to quality control, construct conveniently, save the duration
Steel corrugated sheet adopts factory normalization to produce, according to < < highway culvert, bellows (plate) > > industry standard is carried out quality control for passage, the quality problems that cause because of materials variances, construction difference, human factor etc. have been avoided; Concentrating in addition simplification to produce is conducive to reduce costs.The installation of structure adopts assembled, and site operation speed is fast, and system easy to control the quality is not subject to temperature, the limit value of the environment such as health, time yet.
3) construction costs is lower
From the comparison of design of masonry structure thing and steel corrugated sheet bridges and culverts, steel ripple slab bridge bridge is also low than the requirement of masonry structure thing for the requirement of ground, has saved so again the expense that ground is processed; Because steel ripple slab bridge is flexible structure, end of the bridge also just need not be done special processing more in addition.Than reinforced concrete structure bridge, overall cost saves approximately 10% ~ 30%.
4) be beneficial to environmental protection
Steel ripple slab bridge main material is steel, and adopts factory normalization to produce, and its structure is less to material usages such as cement, sand, stones.Use less cement, piece slabstone or rubble, sand etc., be conducive to environmental protection.Steel corrugated sheet bridges and culverts structure of the present utility model, to adopt corrugated arc by a kind of bridges and culverts form of connection, assembled formation, not only can solve the rainy technical barrier that waits Climatic Effects workmanship and construction speed, and can adapt to foundation deformation, reduce differential settlement, the destruction that buffering earthquake brings.Consider the expenses such as ground processing, Foundation Design, the cost of steel ripple struction bridges and culverts will approach or more save than reinforced concrete structure, and it is fast to have speed of application, not need health, the advantage such as be not subject to that temperature affects.
Accompanying drawing explanation
Fig. 1 is the utility model structure chart.
In figure, 1-steel corrugated sheet circular arch, 2-basis, 3-above-ground route.
The specific embodiment
Below in conjunction with the specific embodiment, the utility model is described in detail.
A kind of circular arch steel corrugated sheet bridges and culverts structure described in the utility model, bottom is provided with basis 2, adopts C30 reinforced cement concrete.2 tops, basis are provided with single span or multispan bridge arch, and bridge arch is steel corrugated sheet circular arch 1, steel corrugated sheet, by bolt is assembled, fixedly consists of.As shown in Figure 1 three across circular arch steel corrugated sheet bridges and culverts, the radius of steel corrugated sheet circular arch 1 is 2.1648m, central angle is 135 °, circular arc radius of curvature is 4.33m, single span footpath is 4m, rise is 1.3365m.The ripple of steel corrugated sheet is axial ripple, waveform be 150mm * 50mm * 28mm(wherein, the pitch of waves that 150mm is axial ripple, 50mm is wave height, 28mm is camber line radius of curvature) plate top thickness of earth covering is 1.08m.The arch spacing of steel corrugated sheet circular arch 1 is 0.5m.
Steel corrugated sheet culvert, because the existence of axial ripple makes it have good stress characteristic, axially with the ess-strain that radially distributes and cause because of load simultaneously, can disperse the stress of load to concentrate to a greater extent, brings into play better the advantage of steel work.To metal bellows culvert, its outside is mainly soil corrosion, and inner side is mainly aqueous corrosion and atmospheric corrosion.The life-span of external Performance Test of Corrugated Steel Culvert, generally more than 50 years, also exists some to use more than 70 years, indivedual expected lifes 100 years.The life-span of the Performance Test of Corrugated Steel Culvert zinc coat in the general area of China should reach more than 30 ~ 50 years.If consider Performance Test of Corrugated Steel Culvert corrosion-resistant nonmetallic coating, maintenance (overhaul, secondary anticorrosion), design thickness corrosion surplus capacity etc., the corrosion fatigue life of Performance Test of Corrugated Steel Culvert reaches more than 50 years.The area that soil corrosion is weak, the life-span may also reach 100 years.
This project is considered the factors such as road quality classification, environment for use, finally determines that steel corrugated sheet surfaces externally and internally galvanizing total amount is 1200g/m
2, and the thick antiwear epoxy resin of spraying 200 μ m is with anticorrosion (after covering antiwear epoxy resin according to related data introduction on galvanizing basis, the life-span increases more than 30 years).
It is cited that content of the present utility model is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model manual, is claim of the present utility model and contains.
Claims (3)
1. a circular arch steel corrugated sheet bridges and culverts structure, bottom is provided with basis (2), it is characterized in that:
(2) top, basis is provided with single span or multispan bridge arch, and bridge arch is steel corrugated sheet circular arch (1), steel corrugated sheet, by bolt is assembled, fixedly consists of;
The radius of described steel corrugated sheet circular arch (1) is 2.1648m, and central angle is 135 °, and circular arc radius of curvature is 4.33m, and single span footpath is 4m, and rise is 1.3365m.
2. a kind of circular arch steel corrugated sheet bridges and culverts structure according to claim 1, is characterized in that:
The ripple of described steel corrugated sheet is axial ripple, and waveform is 150mm * 50mm * 28mm, and plate top thickness of earth covering is 1.08m;
150mm is the pitch of waves of axial ripple, and 50mm is wave height, and 28mm is camber line radius of curvature.
3. a kind of circular arch steel corrugated sheet bridges and culverts structure according to claim 2, is characterized in that:
The arch spacing of described steel corrugated sheet circular arch (1) is 0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320320074.4U CN203498766U (en) | 2013-06-05 | 2013-06-05 | Bridge and culvert structure of circular arch steel corrugated plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320320074.4U CN203498766U (en) | 2013-06-05 | 2013-06-05 | Bridge and culvert structure of circular arch steel corrugated plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203498766U true CN203498766U (en) | 2014-03-26 |
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ID=50329758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320320074.4U Expired - Fee Related CN203498766U (en) | 2013-06-05 | 2013-06-05 | Bridge and culvert structure of circular arch steel corrugated plates |
Country Status (1)
| Country | Link |
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| CN (1) | CN203498766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276675A (en) * | 2013-06-05 | 2013-09-04 | 中交第一公路勘察设计研究院有限公司 | Circular-arched steel-corrugated-plate bridge and culvert structure |
| CN104213515A (en) * | 2014-08-21 | 2014-12-17 | 中交第二公路勘察设计研究院有限公司 | Method for repairing embedded corrugated steel structure by using steel fiber sprayed concrete |
-
2013
- 2013-06-05 CN CN201320320074.4U patent/CN203498766U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276675A (en) * | 2013-06-05 | 2013-09-04 | 中交第一公路勘察设计研究院有限公司 | Circular-arched steel-corrugated-plate bridge and culvert structure |
| CN104213515A (en) * | 2014-08-21 | 2014-12-17 | 中交第二公路勘察设计研究院有限公司 | Method for repairing embedded corrugated steel structure by using steel fiber sprayed concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ROAD AND BRIDGE CORPORATION Effective date: 20150105 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150105 Address after: 710075 Xi'an hi tech Development Zone, Shaanxi science and technology No. two road, No. 63 Patentee after: CCCC FIRST HIGHWAY CONSULTANTS Co.,Ltd. Patentee after: CHINA ROAD & BRIDGE Corp. Address before: 710075 Xi'an hi tech Development Zone, Shaanxi science and technology No. two road, No. 63 Patentee before: CCCC FIRST HIGHWAY CONSULTANTS Co.,Ltd. |
|
| 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: 20140326 |