CN207331389U - A kind of composite road bed structure of corrugated steel pipe and rubble - Google Patents
A kind of composite road bed structure of corrugated steel pipe and rubble Download PDFInfo
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- CN207331389U CN207331389U CN201621462776.6U CN201621462776U CN207331389U CN 207331389 U CN207331389 U CN 207331389U CN 201621462776 U CN201621462776 U CN 201621462776U CN 207331389 U CN207331389 U CN 207331389U
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- ventilation duct
- metalling
- rubble
- steel pipe
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Abstract
It the utility model is related to a kind of composite road bed structure of corrugated steel pipe and rubble.Currently used ventilation duct is reinforced concrete structure, and cost is high, from great, long construction period, causes do not have extensive use in Permafrost Area.The utility model includes roadbed and pavement structure from bottom to top；Roadbed is metalling, sets horizontal ripple ventilation duct in metalling along line direction, and ripple ventilation tube end stretches out metalling from both sides；Ripple ventilation duct is made of more piece tube coupling, is fixed by flange and bolt splicing.The utility model makes up the low deficiency of ventilation duct heat transfer efficiency using Gravel road base, available for complicated geological environments such as high temperature, hight-ice-content permafrosts, can significantly reduce the temperature for the ever-frozen ground that underlies, show that its actively protects the strong convection effect of ever-frozen ground.
Description
Technical field
It the utility model is related to a kind of new-type embankment structure, and in particular to a kind of composite road base junction of corrugated steel pipe and rubble
Structure.
Background technology
Ventilation pipe foundation is regulation measure more commonly used in the highway engineering of Permafrost Area, ventilation pipe foundation can directly by
Cool ambient air is imported in roadbed body, compared to the temperature that common roadbed can further reduce the ever-frozen ground that underlies.But due to current
Used ventilation duct is reinforced concrete structure, and cost is high, from great, long construction period, causes not having in Permafrost Area
Extensive use, therefore, is tested by live entity project, ventilation duct can be used metal bellows structure.
Among the construction of Permafrost Area highway integral subgrade, since ventilation duct is to utilize air convection current in pipe
Heat transfer occurs with tube wall, so as to influence the temperature field of tube wall and surrounding soil, cause its actual heat transfer efficiency be not it is too high,
It is difficult to effectively solve the problems, such as the highly endothermic of wide cut bituminous paving, during exclusive use, cool down in high temperature hight-ice-content permafrost section and imitate
Fruit is not fairly obvious.
The current spacing of ventilation pipe foundation is 2m, can only be tamped among construction using small-sized hydraulic, complex process and
It is less efficient, it is unfavorable in a wide range of interior popularization and application.
The content of the invention
The purpose of this utility model is to provide a kind of composite road bed structure of corrugated steel pipe and rubble, by metal bellows and
Gravel road base use for composite, actively protects the strong convection effect of ever-frozen ground.
Technical solution is used by the utility model：
A kind of composite road bed structure of corrugated steel pipe and rubble, it is characterised in that：
Include roadbed and pavement structure from bottom to top；
Roadbed is metalling, sets horizontal ripple ventilation duct in metalling along line direction, ripple divulge information tube end from
Metalling is stretched out in both sides；
Ripple ventilation duct is made of more piece tube coupling, is fixed by flange and bolt splicing.
Ripple ventilation duct the latter half is transmural structure, has uniform through hole.
Pavement structure includes side trip, runway, hardened verge and earth shoulder from inside to outside, and pavement structure both sides are provided with shield
Column.
The utility model has the following advantages：
The utility model makes up the low deficiency of ventilation duct heat transfer efficiency using Gravel road base, available for high temperature, Gao Hanbing
The complicated geological environments such as frozen soil are measured, the temperature for the ever-frozen ground that underlies can be significantly reduced, show that its actively protects the strong of ever-frozen ground
Convection effects.Simultaneously because ventilation duct is compound with rubble, filled between ventilation duct using rubble, Subgrade Compaction will be protected
Barrier.
Brief description of the drawings
Fig. 1 is the utility model cross-sectional view.
In figure, 1- median strips, 2- guardrails, 3- metallings, 4- ripple ventilation ducts.
Embodiment
The utility model is described in detail with reference to embodiment.
The composite road bed structure of a kind of corrugated steel pipe and rubble that the utility model is related to, from bottom to top including roadbed and road
Face structure.Pavement structure includes side trip, runway, hardened verge and earth shoulder from inside to outside, and the gradient is 2% and 3% from inside to outside.
Pavement structure both sides are provided with guardrail 2.
Roadbed is metalling 3, and horizontal ripple ventilation duct 4,4 end of ripple ventilation duct are set along line direction in metalling 3
Metalling 3 stretches out from both sides in portion.Ripple ventilation duct 4 is made of more piece tube coupling, is fixed by flange and bolt splicing.Ripple is divulged information
4 the latter half of pipe is transmural structure, has uniform through hole.
Crushing technique requirement：Ballast grain sizes are 10~15cm, and floor height is determined according to ice content, and general ice-rich permafrost area uses
1.2 m, full ice permafrost region use 1.5m；
Ventilation duct technical requirements：Ventilation duct uses metal bellows, is laid in metalling, away from earth's surface 20cm, caliber
40cm, to strengthen the convection intensity of Gravel road base, the circular hole of 4 row aperture 5cm, Kong Jian are laid in the latter half of ventilation duct tube coupling
Away from 5~10cm, different lines dislocation cloth hole.In frozen soil complicated condition section, bellows can use continuous laying mode.
The Compound Measure of the utility model has the advantages that ventilation pipe foundation strong convection and Gravel road base coverage are wide, and
And it is easy to construction and late maintaining, it can meet the construction requirements of Permafrost Area highway wide cut roadbed.
The content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type specification and any equivalent conversion taken technical solutions of the utility model, are the claim institute of the utility model
Cover.
Claims (3)
- A kind of 1. composite road bed structure of corrugated steel pipe and rubble, it is characterised in that：Include roadbed and pavement structure from bottom to top；Roadbed is metalling（3）, metalling（3）It is interior that horizontal ripple ventilation duct is set along line direction（4）, ripple ventilation duct （4）Metalling is stretched out in end from both sides（3）；Ripple ventilation duct（4）It is made of more piece tube coupling, is fixed by flange and bolt splicing.
- 2. the composite road bed structure of a kind of corrugated steel pipe according to claim 1 and rubble, it is characterised in that：Ripple ventilation duct（4）The latter half is transmural structure, has uniform through hole.
- 3. the composite road bed structure of a kind of corrugated steel pipe according to claim 1 and rubble, it is characterised in that：Pavement structure includes side trip, runway, hardened verge and earth shoulder from inside to outside, and pavement structure both sides are provided with guardrail （2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462776.6U CN207331389U (en) | 2016-12-29 | 2016-12-29 | A kind of composite road bed structure of corrugated steel pipe and rubble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462776.6U CN207331389U (en) | 2016-12-29 | 2016-12-29 | A kind of composite road bed structure of corrugated steel pipe and rubble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207331389U true CN207331389U (en) | 2018-05-08 |
Family
ID=62374558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621462776.6U Active CN207331389U (en) | 2016-12-29 | 2016-12-29 | A kind of composite road bed structure of corrugated steel pipe and rubble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207331389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733650A (en) * | 2020-04-22 | 2020-10-02 | 青海路拓工程设施制造集团有限公司 | Cooling construction method for corrugated steel pipe of frozen soil roadbed |
| CN112376344A (en) * | 2020-10-29 | 2021-02-19 | 东南大学 | Double-layer continuous reinforced concrete hollow slab concrete pavement composite structure for permafrost region and construction method |
-
2016
- 2016-12-29 CN CN201621462776.6U patent/CN207331389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733650A (en) * | 2020-04-22 | 2020-10-02 | 青海路拓工程设施制造集团有限公司 | Cooling construction method for corrugated steel pipe of frozen soil roadbed |
| CN112376344A (en) * | 2020-10-29 | 2021-02-19 | 东南大学 | Double-layer continuous reinforced concrete hollow slab concrete pavement composite structure for permafrost region and construction method |
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