CN110055826A - A kind of enhanced ballast bed structure of cutting cogwheel railway and construction method - Google Patents
A kind of enhanced ballast bed structure of cutting cogwheel railway and construction method Download PDFInfo
- Publication number
- CN110055826A CN110055826A CN201910348007.5A CN201910348007A CN110055826A CN 110055826 A CN110055826 A CN 110055826A CN 201910348007 A CN201910348007 A CN 201910348007A CN 110055826 A CN110055826 A CN 110055826A
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- Prior art keywords
- surface layer
- ballast
- gutter
- roadbed
- friction pad
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/001—Track with ballast
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/008—Drainage of track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/02—Tracks for rack railways
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
Abstract
A kind of enhanced ballast bed structure of cutting cogwheel railway and construction method, to greatly enhance the overall stability and anti-slide performance of ballast, it is ensured that the safety of heavy grade cogwheel railway, and there is good economy.Including being set to the gutter of roadbed both lateral sides, fill the roadbed surface layer on the inside of the gutter of two sides between abutment wall, and the ballast on roadbed surface layer is filled, track structure is embedded at the top of ballast.The gutter is the different flash wall construction of armored concrete, its inside abutment wall extends to form high side wall vertically upward, the friction pad fixed by U-shaped nail is laid on the top surface of roadbed surface layer, and longitudinally, laterally setting its underpart in interval passes through the frictional resistance stick that friction pad enters roadbed surface layer.The small-sized lattice guest cage to form a fixed connection with frictional resistance stick is continuously set on the friction pad, loads ballast in small-sized lattice guest cage and vibratory compaction, track structure is embedded in the top of ballast.
Description
Technical field
The present invention relates to subgrade engineering, in particular to a kind of cutting engineering of super large gradient cogwheel railway.
Background technique
Cogwheel railway is a kind of very strong railway of grade climbing performance, therefore the longitudinal slope of route can be larger, and the gradient even can sometimes
It being spent 40 with reaching, also referred to as funicular (railway) more.When route longitudinal slope is greater than 40 degree of later cogwheel railway ballasts and rolls smooth
Frictional resistance may be unsatisfactory for corresponding safety coefficient between road bed, and the frictional resistance deposit between ballast also becomes insufficient, therefore proposes
A kind of enhanced ballast bed structure of cutting cogwheel railway and construction method are of great significance, and are conducive to guarantee super large gradient rack rails iron
Economy that operation safety, the cogwheel railway on road are built, the feature of environmental protection and it is conducive to promote and apply.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of enhanced ballast bed structures of cutting cogwheel railway, to increase
The overall stability and anti-slide performance of rope-race quarrel, it is ensured that the safety of heavy grade cogwheel railway, and there is good economy.
It is as follows that the present invention solves the technical solution that above-mentioned technical problem is taken:
A kind of enhanced ballast bed structure of cutting cogwheel railway of the invention, the draining including being set to roadbed both lateral sides
Ditch fills roadbed surface layer on the inside of the gutter of two sides between abutment wall, and fills the ballast on roadbed surface layer, track knot
Structure is embedded at the top of ballast, it is characterized in that: the gutter is the different flash wall construction of armored concrete, inside abutment wall vertically to
On extend to form high side wall, the friction pad fixed by U-shaped nail, and longitudinally, laterally interval setting are laid on the top surface of roadbed surface layer
Its underpart passes through the frictional resistance stick that friction pad enters roadbed surface layer；Continuously setting forms a fixed connection with frictional resistance stick on the friction pad
Small-sized lattice guest cage, load ballast in small-sized lattice guest cage and vibratory compaction, track structure be embedded in the top of ballast.
Another technical problem to be solved by this invention is to provide a kind of structure of enhanced ballast bed structure of cutting cogwheel railway
Building method, this method comprises the following steps:
1. stage excavation cutting simultaneously carries out side slope protection in time, until roadbed surface layer cope level；
2. excavating two sides gutter foundation pit, and construction drainage ditch in time, and drain hole is reserved on the high side wall in gutter；
3. after concrete reaches design strength 75% after gutter, excavating the ground foundation pit between the gutter of two sides；
4. the placement in layers roadbed surface layer in ground foundation pit, close to gutter high side wall side 0.2-0.5m width range
The cement of 3% weight is mixed in the filler of roadbed surface layer；
5. being laid with friction pad on the top surface of roadbed surface layer, and tense exceptionally straight；
6. U-shaped nail is inserted at interval on friction pad, U-shaped nail lower part passes through friction pad and is fixed in surface layer of subgrade bed；
Frictional resistance stick is squeezed on roadbed surface layer 7. passing through friction pad；
8. placing small-sized lattice guest cage on friction pad, small-sized lattice guest cage is connect with the exposing section binding and fixing of frictional resistance stick；
9. being packed into ballast in small-sized lattice guest cage, and vibratory compaction is to track structure Bottom Altitude；
10. being put into track structure at the top of ballast, making residue ballast and vibratory compaction between track structure.
The invention has the advantages that being laid in smooth roadbed surface layer top surface and fix one layer has great friction coefficient
Friction pad enhances the frictional resistance of ballast and roadbed surface layer, and ballast is fitted into the frictional resistance increased between ballast in small-sized lattice guest cage, and
It is interacted by frictional resistance stick and roadbed surface layer, greatly enhances the overall stability and anti-slide performance of ballast, it is ensured that heavy grade tooth
The safety of rail railway；Roadbed two sides gutter high side wall plays the role of blocking to ballast, and ballast has both been avoided laterally to produce in roadbed
Life is unstable, and reduces width of the subgrade surface, to save the area and reduce cutting amount of excavation, engineering economy is good；Close to
The cement of the roadbed surface layer filler incorporation 3% of high side wall side 0.2-0.5m range, is not only conducive to fill consolidation effect, but also reduce water
Infiltrate, Infiltration water can be discharged by the drain hole on the high side wall of gutter；Construction method is easy to operate, system easy to control the quality,
It is low to be conducive to cost saving, can be in large-scale application.
Detailed description of the invention
This specification includes following four width attached drawing:
Fig. 1 is a kind of schematic cross-sectional view of the enhanced ballast bed structure of cutting cogwheel railway of the present invention；
Fig. 2 is the enlarged drawing of the part A in Fig. 1；
Fig. 3 is the enlarged drawing of the part B in Fig. 1；
Fig. 4 is the schematic cross-sectional view of traditional cogwheel railway chasm structuref.
Component name and corresponding label: roadbed surface layer 10, ballast 11, small-sized lattice guest cage 12, friction pad are shown in figure
13,14, frictional resistance stick 15, gutter 20, drainage hole 21, track structure 30 of U-shaped nail.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples:
Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of enhanced ballast bed structure of cutting cogwheel railway of the invention, including it is set to road
Roadbed surface layer 10 between 20 inside abutment wall of two sides gutter is filled, and is filled in road in the gutter 20 of base both lateral sides
Ballast 11 on base table layer 10, track structure 30 are embedded in 11 top of ballast.The gutter 20 is the different height of armored concrete
Abutment wall structure, inside abutment wall extend to form high side wall vertically upward, and roadbed surface layer 10 is filled between the high side wall of two sides, and
It is laid on 10 top surface of roadbed surface layer by the fixed friction pad 13 of U-shaped nail 14, and longitudinally, laterally setting its underpart in interval passes through friction
Pad 13 enters the frictional resistance stick 15 on roadbed surface layer 10.On the friction pad 13 continuously setting form a fixed connection with frictional resistance stick 15 it is small
Type lattice guest cage 12 loads ballast 11 in small-sized lattice guest cage 12 and vibratory compaction, track structure 30 is embedded in the top of ballast 11.
Referring to Fig.1, it is laid with and is fixed one layer of friction pad with great friction coefficient in smooth 10 top surface of roadbed surface layer, increase
The frictional resistance of rope-race quarrel 11 and roadbed surface layer 10, ballast 10 are fitted into the frictional resistance increased between ballast in small-sized lattice guest cage 12, and
It is interacted by frictional resistance stick 15 and roadbed surface layer 10, greatly enhances the overall stability and anti-slide performance of ballast, it is ensured that big slope
Spend the safety of cogwheel railway.The high side wall in roadbed two sides gutter 20 plays the role of blocking to ballast 11, has both avoided ballast 11
In roadbed, laterally generation is unstable, and reduces width of the subgrade surface, to save the area and reduce cutting amount of excavation, engineering economy
Property is good.
Referring to Fig.1, the friction pad 13 is made of the earth working material with great friction coefficient, and durability meets design
It is required that.The top surface on the roadbed surface layer 10 is not less than 4% drainage grade from roadbed center to two sides setting；The two sides draining
Drain hole 21, the inner port and roadbed table of each drain hole 21 is arranged at interval of 1.0-2.0m in the high side wall upper edge line direction of ditch 20
10 top part elevation location of layer are corresponding, and Infiltration water can be discharged by the drain hole 21 on high side wall.The roadbed surface layer 10
Close to the cement for mixing 3% weight in the filler of 20 high side wall side 0.2-0.5m width range of gutter, both it is conducive to fill compacting
Effect, and infiltrating for water is reduced,.
Referring to Fig. 2 and Fig. 3, friction pad 13 is exposed on the top of the frictional resistance stick 15, and small-sized lattice guest cage 12 reveals with frictional resistance stick 15
Section binding and fixing connect out.In general, the small-sized lattice guest cage 12 is preferably arranged two layers, the wherein top surface position of the small-sized lattice guest cage 12 of lower layer
In on the Bottom Altitude position of track structure 30.
Referring to Fig.1, another technical problem to be solved by this invention is to provide a kind of enhanced railway roadbed of cutting cogwheel railway
The construction method of structure, this method comprises the following steps:
1. stage excavation cutting simultaneously carries out side slope protection in time, until 10 cope level of roadbed surface layer；
2. excavating 20 foundation pit of two sides gutter, and construction drainage ditch 20 in time, and reserved on the high side wall in gutter 20
Drain hole 21；
3. after 20 concrete reaches design strength 75% after gutter, excavating the ground foundation pit between two sides gutter 20；
4. the placement in layers roadbed surface layer 10 in ground foundation pit, close to 20 high side wall side 0.2-0.5m width model of gutter
The cement of 3% weight is mixed in the roadbed surface layer filler enclosed；
5. being laid with friction pad 13 on 10 top surface of roadbed surface layer, and tense exceptionally straight；
6. the U-shaped nail 14 of interval insertion, 14 lower parts of U-shaped nail pass through friction pad 13 and are fixed on surface layer of subgrade bed 10 on friction pad 10
In；
Frictional resistance stick 15 is squeezed on roadbed surface layer 10 7. passing through friction pad 13；
8. placing small-sized lattice guest cage 12 on friction pad 13, the exposing section binding and fixing of small-sized lattice guest cage 12 and frictional resistance stick 15
Connection；
9. being packed into ballast 11 in small-sized lattice guest cage 12, and vibratory compaction is to 30 Bottom Altitude of track structure；
10. track structure 30 is put at the top of ballast 12, in 30 making residue ballasts 12 of track structure and vibratory compaction.
The construction method is easy to operate, system easy to control the quality, and is conducive to cost saving, can be in large-scale application.
The above is the explain through diagrams a kind of enhanced ballast bed structure of cutting cogwheel railway of the present invention and construction method
Some principles, be not intended to by the present invention be confined to shown in and the specific structure and the construction method scope of application in, therefore
All all corresponding modifications that may be utilized and equivalent, belong to the applied the scope of the patents of the present invention.
Claims (6)
1. a kind of enhanced ballast bed structure of cutting cogwheel railway, including being set to the gutter (20) of roadbed both lateral sides, filling
Roadbed surface layer (10) between the abutment wall of two sides gutter (20) inside, and fill the ballast on roadbed surface layer (10)
(11), track structure (30) is embedded at the top of ballast (11), it is characterized in that: the gutter (20) are the different flash of armored concrete
Wall construction, inside abutment wall extend to form high side wall vertically upward, and roadbed surface layer (10) are filled between the high side wall of two sides, and
The friction pad (13) fixed by U-shaped nail (14) is laid on roadbed surface layer (10) top surface, and longitudinally, laterally setting its underpart in interval is worn
Cross the frictional resistance stick (15) that friction pad (13) enter roadbed surface layer (10)；Continuously it is arranged and frictional resistance stick (15) on the friction pad (13)
The small-sized lattice guest cage (12) to form a fixed connection, small-sized lattice guest cage (12) is interior to load ballast (11) and vibratory compaction, track structure
(30) it is embedded in the top of ballast (11).
2. a kind of enhanced ballast bed structure of cutting cogwheel railway as described in claim 1, it is characterized in that: the roadbed surface layer
(10) top surface is not less than 4% drainage grade from roadbed center to two sides setting；The high side wall of the two sides gutter (20)
Drain hole (21) are arranged at interval of 1.0-2.0m in upper edge line direction, and the inner port of each drain hole (21) and roadbed surface layer (10) are pushed up
Facial elevation location is corresponding.
3. a kind of enhanced ballast bed structure of cutting cogwheel railway as described in claim 1, it is characterized in that: the roadbed surface layer
(10) close to the cement for mixing 3% weight in the filler of gutter (20) high side wall side 0.2-0.5m width range.
4. a kind of enhanced ballast bed structure of cutting cogwheel railway as described in claim 1, it is characterized in that: the frictional resistance stick (15)
Top expose friction pad (13), small-sized lattice guest cage (12) and frictional resistance stick (15) exposing section binding and fixing are connect.
5. a kind of enhanced ballast bed structure of embankment cogwheel railway as described in claim 1, it is characterized in that: the small-sized lattice guest cage
(12) it is arranged two layers, wherein the top surface of the small-sized lattice guest cage (12) of lower layer is located on the Bottom Altitude position of track structure (12).
6. a kind of construction method of the enhanced ballast bed structure of cutting cogwheel railway as described in claim 1 to 5 any one, including
Following steps:
1. stage excavation cutting simultaneously carries out side slope protection in time, until roadbed surface layer (10) cope level；
2. excavating two sides gutter (20) foundation pit, and construction drainage ditch (20) in time, and pre- on the high side wall of gutter (20)
Stay drain hole (21)；
3. excavating the ground foundation pit between two sides gutter (20) after gutter (20) concrete reaches design strength 75%；
4. the placement in layers roadbed surface layer (10) in ground foundation pit, close to gutter (20) high side wall side 0.2-0.5m width model
The cement of 3% weight is mixed in the roadbed surface layer filler enclosed；
5. being laid with friction pad (13) on roadbed surface layer (10) top surface, and tense exceptionally straight；
6. U-shaped nail (4) is inserted at interval on friction pad (10), U-shaped nail (4) lower part passes through friction pad (13) and is fixed on surface layer of subgrade bed
(10) in；
Frictional resistance stick (15) are squeezed into roadbed surface layer (10) 7. passing through friction pad (13)；
8. placing small-sized lattice guest cage (12) on friction pad (13), the exposing section of small-sized lattice guest cage (12) and frictional resistance stick (15) is bound
It is fixedly connected；
9. being packed into ballast (11) in the small-sized lattice guest cage (12), and vibratory compaction is to track structure (30) Bottom Altitude；
10. being put into track structure (30) at the top of the ballast (12), making residue ballast (12) and vibrated close between track structure (30)
It is real.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910348007.5A CN110055826B (en) | 2019-04-28 | 2019-04-28 | Construction method of cutting rack rail reinforced track bed structure |
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|---|---|---|---|
| CN201910348007.5A CN110055826B (en) | 2019-04-28 | 2019-04-28 | Construction method of cutting rack rail reinforced track bed structure |
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| CN110055826A true CN110055826A (en) | 2019-07-26 |
| CN110055826B CN110055826B (en) | 2023-09-22 |
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| CN110055826B (en) | 2023-09-22 |
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