CN210481898U - Reinforced track bed structure of embankment toothed rail railway - Google Patents
Reinforced track bed structure of embankment toothed rail railway Download PDFInfo
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- CN210481898U CN210481898U CN201920602775.4U CN201920602775U CN210481898U CN 210481898 U CN210481898 U CN 210481898U CN 201920602775 U CN201920602775 U CN 201920602775U CN 210481898 U CN210481898 U CN 210481898U
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- embankment
- ballast
- filling body
- friction
- rail railway
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- 239000002344 surface layer Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims description 25
- 239000002893 slag Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A reinforced track bed structure of a embankment toothed rail railway is used for greatly enhancing the overall stability and the anti-skid capability of ballast, ensuring the safety of a large-gradient toothed rail railway and having good economical efficiency. The roadbed comprises a lower part filling body of a road embankment filled on the foundation layer by layer and a surface layer filling body of the road embankment filled on the lower part filling body of the road embankment layer by layer. The road shoulder position of embankment top layer filling body both sides is fixed sets up and is blocked the dregs wall, lays the friction pad by the U type nail is fixed on the top surface on embankment top layer between the dregs wall of both sides, and sets up its lower part and passes the friction that the friction pad got into the embankment top layer filling body vertically, horizontal interval set up on the friction pad in succession set up the small-size check guest cage that forms fixed connection with the friction stick, pack the ballast and vibrate closely knit in the small-size check guest cage, and track structure buries underground at the top of ballast.
Description
Technical Field
The utility model relates to a road bed engineering, in particular to embankment engineering of heavy grade rack rail railway.
Background
The rack-track railway is a railway with strong climbing performance, so that the longitudinal slope of a line can be larger, and sometimes the slope can even reach more than 40 degrees, and the rack-track railway is also called as a mountain-climbing railway. When the longitudinal slope of the track is more than 40 degrees, the frictional resistance between the ballast of the toothed rail railway and the ground plane which is rolled smoothly can not meet the corresponding safety factor, and the frictional resistance storage between the ballast becomes insufficient, so that the reinforced track bed structure and the construction method of the toothed rail railway of the embankment have important significance, are beneficial to ensuring the operation safety of the toothed rail railway with the super-large slope and the economical efficiency and the environmental protection of the construction of the toothed rail railway, and are beneficial to popularization and application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a reinforced railway ballast bed structure of embankment tooth rail is provided to strengthen the overall stability and the cling compound ability of ballast greatly, ensure the security of big gradient tooth rail railway, and have good economic nature.
The utility model provides a technical scheme as follows that above-mentioned technical problem took:
the utility model relates to a embankment cogged rail railway enhancement mode roadbed structure, road bed include that the layering fills the embankment lower part on the ground and packs the body to and the embankment top layer on embankment lower part is filled the body, characterized by are filled in the layering: the positions of road shoulders at two sides of the embankment surface layer filling body are fixedly provided with slag blocking walls, a friction pad fixed by U-shaped nails is paved on the top surface of the embankment surface layer filling body between the slag blocking walls at two sides, and friction bars of which the lower parts penetrate through the friction pad and enter the embankment surface layer filling body are longitudinally and transversely arranged at intervals; the friction pad is provided with a small gabion cage which is fixedly connected with the friction rod in a continuous mode, ballast is filled in the small gabion cage and is dense in vibration, and the track structure is buried at the top of the ballast in an embedded mode.
The utility model has the advantages that a layer of high-friction pad is laid and fixed on the top surface of a flat roadbed surface layer structure, the frictional resistance of ballast and the roadbed surface layer structure is enhanced, the ballast is filled into a small gabion cage to increase the frictional resistance among the ballast, and the frictional resistance bar interacts with the roadbed surface layer structure, so that the overall stability and the anti-slip capability of the ballast are greatly enhanced, and the safety of a high-gradient toothed rail railway is effectively improved; the ballast blocking walls are fixedly arranged at the positions of the road shoulders, so that the function of blocking the ballast is achieved, the transverse instability of the ballast on a roadbed is avoided, the width of a roadbed surface is reduced, the land is saved, the filling amount of the embankment is reduced, and the economic performance is good; the construction method is simple to operate, the quality is easy to control, the engineering investment is saved, and the method can be popularized and applied in a large scale.
Drawings
The specification includes the following four figures:
fig. 1 is a schematic cross-sectional view of a reinforced track bed structure of a embankment toothed rail railway of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
figure 4 is a schematic cross-sectional view of a conventional rack rail railway cut structure.
The component names and corresponding labels are shown in the figure: the component names and corresponding labels are shown in the figure: the road embankment structure comprises a lower embankment filling body 10, a surface embankment filling body 11, ballast 12, a friction pad 13, a ballast blocking wall 20, fixing steel bars 21, friction bars 22, U-shaped nails 23, small gabion cages 24, water drainage holes 25 and a track structure 30.
Detailed Description
The invention is further described with reference to the following figures and examples:
referring to fig. 1, 2 and 3, the utility model discloses a reinforced railway roadbed structure of embankment cogged rail, the road bed includes embankment lower part filler 10 of layering filling on the ground to and embankment top layer filler 11 of layering filling on embankment lower part filler 10. The positions of the road shoulders at the two sides of the embankment surface layer filling body 11 are fixedly provided with slag blocking walls 20, friction pads 13 fixed by U-shaped nails 23 are paved on the top surface of the embankment surface layer filling body 11 between the slag blocking walls 20 at the two sides, and friction rods 22 of which the lower parts penetrate through the friction pads 13 and enter the embankment surface layer filling body 11 are longitudinally and transversely arranged at intervals; the friction pad 13 is continuously provided with a small gabion cage 24 which is fixedly connected with the friction rod 22, the small gabion cage 24 is filled with ballast 12 and is tightly vibrated, and the track structure 30 is buried at the top of the ballast 12.
Referring to fig. 1, a layer of friction pad 13 with a high friction coefficient is laid and fixed on the top surface of a flat roadbed surface layer structure 11, the frictional resistance between ballast 12 and the roadbed surface layer structure 11 is enhanced, the ballast 12 is filled into a small gabion cage 24 to increase the frictional resistance between the ballast, and the friction bar 22 interacts with the roadbed surface layer structure 11, so that the overall stability and the anti-skid capability of the ballast are greatly enhanced, and the safety of a large-gradient tooth-track railway is effectively improved. The ballast blocking walls 20 are fixedly arranged at the positions of the road shoulders to block the ballast 12, so that the transverse instability of the ballast 12 on a roadbed is avoided, the width of a roadbed surface is reduced, the land is saved, and the filling amount of the embankment is reduced.
Referring to fig. 1, the top surface of the embankment surface layer filling body 11 is provided with a drainage slope of not less than 4% from the center of the roadbed to both sides. The friction pad 13 is made of a geotechnical material with a high friction coefficient, and the durability of the friction pad meets the design requirement.
Referring to fig. 1 and 3, the ballast blocking wall 20 has an L-shaped cross section, and includes a cantilever and a bottom plate, wherein the bottom plate is provided with fixing steel bars 21 at intervals along the road direction, and each fixing steel bar 21 is fixedly connected with the steel bar of the ballast blocking wall 20 and extends downward into the embankment surface layer filling body 11. The top surface of the bottom plate of the slag blocking wall 20 inclines towards the side of the roadbed slope to form a drainage slope not less than 4%, and the drainage slope is not less than the drainage slope of the top surface of the embankment surface layer filling body 11. And one drainage hole 25 is reserved at the bottom of the cantilever of the slag blocking wall 20 at the longitudinal interval of 1-2 m. Referring to fig. 3, the two lateral sides of the friction pad 13 are overlapped with the top surface of the bottom plate of the slag blocking wall 20, and the overlapping length is not less than 20 cm.
Referring to fig. 2, the friction pad 13 is exposed at the upper part of the friction rod 22, and the small gabion cage 24 is fixedly connected with the exposed section of the friction rod 22 in a binding manner. Referring to fig. 1, the small gabion cages 24 may be generally arranged in two levels, with the top surface of the lower small gabion cage 24 at an elevated position at the bottom of the track structure 30.
Referring to fig. 1, the utility model discloses a embankment cogged rail railway enhancement mode railway roadbed structure is under construction according to following step:
① filling the lower part of the embankment 10 on the ground layer by layer;
② filling embankment surface layer filling bodies 11 on the embankment lower filling body 10 in a layered mode, filling the positions of the road shoulders on the two sides of the roadbed to the bottom elevation of the slag blocking wall 20, and arranging drainage slopes not less than 4% from the center of the roadbed to the two sides of the top surface of the embankment surface layer filling bodies 11;
③ binding reinforcing steel bars of the ballast wall 20, driving fixing reinforcing steel bars 21 into the embankment surface layer filling body 11, and binding and connecting the fixing reinforcing steel bars 21 with the reinforcing steel bars of the ballast wall 20;
④ pouring 20 concrete of the ballast blocking wall, and reserving a drain hole 25 at the bottom of the cantilever at intervals of 1-2 m;
⑤ after the concrete of the slag blocking wall 20 reaches 70% of the strength, paving a friction pad 13 on the top surface of the embankment surface layer filling body 11, tensioning and straightening, and lapping the two transverse sides of the friction pad 13 with the bottom plate of the slag blocking wall 20;
⑥, fixing the U-shaped nails 23 on the friction pad 13 at intervals, and fixing the lower parts of the U-shaped nails 23 in the embankment surface layer filling body 11 through the friction pad 13;
⑦ driving a friction bar 22 into the embankment filling body 11 through the friction pad 13, wherein the upper end of the friction bar 22 is exposed to the friction pad 13 for a certain height;
⑧ the small gabion cage 24 is arranged on the top of the friction pad 13, the small gabion cage 24 is bound and fixedly connected with the exposed section of the friction bar 22;
⑨ placing ballast 12 in the mini gabion cage 24 and compacting it by vibration to the level of the bottom of the track structure 30;
⑩ the track structure 30 is placed on top of the ballast 12 of the compacted mini gabion cages 24, and the remaining mini gabion cages 24 between the track structure 30 are filled with ballast 12 and compacted by vibration.
The construction method is simple to operate, the quality is easy to control, and the engineering investment is saved.
The above description is only used for illustrating some principles of the reinforced track bed structure of the embankment rack-and-rail railway of the present invention, and it is not intended to limit the present invention to the specific structure and the application range of the construction method, so all the corresponding modifications and equivalents that may be utilized belong to the claims of the present invention.
Claims (7)
1. The utility model provides a embankment cogged rail railway enhancement mode roadbed structure, road bed include the embankment lower part filler (10) of layering filling on the ground to and the embankment top layer filler (11) of layering filling on embankment lower part filler (10), characterized by: the road shoulder positions at two sides of the embankment surface layer filling body (11) are fixedly provided with slag blocking walls (20), friction pads (13) fixed by U-shaped nails (23) are paved on the top surface of the embankment surface layer filling body (11) between the slag blocking walls (20) at two sides, and friction rods (22) of which the lower parts penetrate through the friction pads (13) and enter the embankment surface layer filling body (11) are longitudinally and transversely arranged at intervals; the friction pad (13) is continuously provided with a small gabion cage (24) which is fixedly connected with the friction rod (22), ballast (12) is filled in the small gabion cage (24) and is dense in vibration, and the track structure (30) is buried at the top of the ballast (12).
2. The reinforced track bed structure of the embankment and toothed rail railway as claimed in claim 1, wherein: and the top surface of the embankment surface layer filling body (11) is provided with a drainage slope not less than 4% from the center of the roadbed to two sides.
3. The reinforced track bed structure of the embankment and toothed rail railway as claimed in claim 1, wherein: the section of the ballast blocking wall (20) is L-shaped, the ballast blocking wall is provided with a cantilever and a bottom plate, fixed steel bars (21) are arranged on the bottom plate at intervals along the direction of a road, and each fixed steel bar (21) is fixedly connected with the steel bar of the ballast blocking wall (20) and extends downwards into the surface layer filling body (11) of the embankment.
4. The reinforced track bed structure of the embankment and toothed rail railway as claimed in claim 3, wherein: the top surface of the bottom plate of the slag blocking wall (20) inclines towards the side of the roadbed slope to form a drainage gradient which is not less than 4 percent and is not less than the drainage gradient of the top surface of the embankment surface layer filling body (11); and a drain hole (25) is reserved at the bottom of the cantilever of the slag blocking wall (20) at a longitudinal interval of 1-2 m.
5. The reinforced track bed structure of the embankment and toothed rail railway as claimed in claim 3, wherein: the two transverse sides of the friction pad (13) are lapped with the top surface of the bottom plate of the slag blocking wall (20), and the lapping length is not less than 20 cm.
6. The reinforced track bed structure of the embankment and toothed rail railway as claimed in claim 1, wherein: the upper part of the friction rod (22) is exposed out of the friction pad (13), and the small gabion cage (24) is fixedly connected with the exposed section of the friction rod (22) in a binding manner.
7. The reinforced track bed structure of the embankment and toothed rail railway as claimed in claim 1, wherein: the small gabion cages (24) are arranged in two layers, wherein the top surfaces of the small gabion cages (24) on the lower layer are located at the bottom elevation positions of the track structures (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602775.4U CN210481898U (en) | 2019-04-28 | 2019-04-28 | Reinforced track bed structure of embankment toothed rail railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602775.4U CN210481898U (en) | 2019-04-28 | 2019-04-28 | Reinforced track bed structure of embankment toothed rail railway |
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| Publication Number | Publication Date |
|---|---|
| CN210481898U true CN210481898U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920602775.4U Expired - Fee Related CN210481898U (en) | 2019-04-28 | 2019-04-28 | Reinforced track bed structure of embankment toothed rail railway |
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| CN (1) | CN210481898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055825A (en) * | 2019-04-28 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method |
-
2019
- 2019-04-28 CN CN201920602775.4U patent/CN210481898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055825A (en) * | 2019-04-28 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200508 |