CN110055825A - A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method - Google Patents
A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method Download PDFInfo
- Publication number
- CN110055825A CN110055825A CN201910347998.5A CN201910347998A CN110055825A CN 110055825 A CN110055825 A CN 110055825A CN 201910347998 A CN201910347998 A CN 201910347998A CN 110055825 A CN110055825 A CN 110055825A
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- embankment
- filling body
- surface layer
- friction pad
- ballast
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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
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- 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
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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 embankment 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.Roadbed includes embankment surface layer filling body of embankment lower part filling body and placement in layers of the placement in layers on ground on the filling body of embankment lower part.Quarrel wall is blocked in the road shoulder position fixed setting of the embankment surface layer filling body two sides, two sides are blocked is laid with the friction pad fixed by U-shaped nail on the top surface on embankment surface layer between quarrel wall, and longitudinally, laterally interval setting its underpart enters the small-sized lattice guest cage for being continuously arranged on friction pad described in the frictional resistance of embankment surface layer filling body and forming a fixed connection with frictional resistance stick across friction pad, ballast is loaded in small-sized lattice guest cage and vibratory compaction, track structure are embedded in the top of ballast.
Description
Technical field
The present invention relates to subgrade engineering, in particular to a kind of embankment engineering of heavy grade 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 embankment 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 embankment 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 embankment cogwheel railway of the present invention, roadbed includes under embankment of the placement in layers on ground
The embankment surface layer filling body of portion's filling body and placement in layers on the filling body of embankment lower part, it is characterized in that: the embankment surface layer
Quarrel wall is blocked in the road shoulder position fixed setting of filling body two sides, and two sides are blocked to be laid on the top surface on embankment surface layer by U-shaped between quarrel wall
Fixed friction pad is followed closely, and longitudinally, laterally setting its underpart in interval passes through the frictional resistance stick that friction pad enters embankment surface layer filling body；
The small-sized lattice guest cage to form a fixed connection with frictional resistance stick is continuously set on the friction pad, loads ballast and vibration in small-sized lattice guest cage
Move closely knit, track structure is 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 embankment cogwheel railway
Building method, this method comprises the following steps:
1. in ground higher slice railway embankment lower part filling body；
2. in embankment lower part filling body higher slice railway embankment surface layer filling body, roadbed two sides road shoulder position fill to block quarrel
Wall Bottom Altitude；
3. quarrel wall reinforcing bar is blocked in binding, and fixed steel bars are squeezed into the filling body of embankment surface layer, fixed steel bars and block quarrel wall steel
Muscle binding connection；
Quarrel wall concrete is blocked 4. pouring, and reserves a drain hole at interval of 1-2m in cantilever bottom；
5. it is laid with friction pad on the filling body top surface of embankment surface layer after blocking quarrel wall concrete and reaching the 70% of intensity,
And tense it is exceptionally straight, friction pad both lateral sides and block quarrel wall bottom plate overlap joint；
6. the fixed U-shaped nail of interval insertion, U-shaped nail lower part pass through friction pad and are fixed on dike surface layer filling body on friction pad
In；
7. pass through friction pad squeezes into frictional resistance stick in the filling body of dike surface layer, friction pad certain altitude is exposed in frictional resistance stick upper end；
8. small-sized lattice guest cage exposes section binding and fixing with frictional resistance stick and connect in the small-sized lattice guest cage of friction pad placed on top；
9. being packed into ballast in small-sized lattice guest cage, and vibratory compaction is to track structure Bottom Altitude；
10. track structure is put at the top of the ballast of closely knit small-sized lattice guest cage, to small-sized lattice guest cage remaining between track structure
Middle filling ballast and vibratory compaction.
The invention has the advantages that being laid in the top surface of smooth roadbed surface layer construct and fixing one layer high friction
Friction pad, enhances the frictional resistance of ballast and roadbed surface layer construct, and ballast is fitted into rubbing between increasing ballast in small-sized lattice guest cage
Resistance, and interacted by frictional resistance stick and roadbed surface layer construct, the overall stability and anti-slide performance of ballast are greatly enhanced,
Effectively improve the safety of heavy grade cogwheel railway；In road shoulder position, quarrel wall is blocked in fixed setting can play work of blocking to ballast
With not only having avoided ballast, laterally generation is unstable in roadbed, but also reduces width of the subgrade surface, to save the area and reduce embankment
Amount of fill has good economy；Construction method is easy to operate, and system easy to control the quality is conducive to cost saving, can advise greatly
Mould promotes and applies.
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 embankment 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 are shown in figure: component name and corresponding label being shown: under embankment in figure
Portion's filling body 10, ballast 12, friction pad 13, blocks quarrel wall 20, is fixed steel bars 21, frictional resistance stick 22, U-shaped embankment surface layer filling body 11
Follow closely 23, small-sized lattice guest cage 24, drain hole 25, track structure 30.
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 embankment cogwheel railway of the invention, roadbed include layering
It fills on the embankment surface layer of embankment lower part filling body 10 and placement in layers on embankment lower part filling body 10 filled on ground
Body 11.Quarrel wall 20 is blocked in the road shoulder position fixed setting of 11 two sides of embankment surface layer filling body, and two sides are blocked between quarrel wall 20 on road
It is laid on the top surface on dike surface layer 11 by the fixed friction pad 13 of U-shaped nail 23, and longitudinally, laterally setting its underpart in interval passes through friction
Pad 13 enters the frictional resistance stick 22 of embankment surface layer filling body 11；Continuously setting and frictional resistance stick 22 form fixed connect on the friction pad 13
The small-sized lattice guest cage 24 connect loads ballast 12 in small-sized lattice guest cage 24 and vibratory compaction, track structure 30 is embedded in ballast 12
Top.
Referring to Fig.1, being laid in the top surface of smooth roadbed surface layer construct 11 and fix one layer has great friction coefficient
Friction pad 13, enhances the frictional resistance of ballast 12 and roadbed surface layer construct 11, and ballast 12 is fitted into small-sized lattice guest cage 24 and increases
Frictional resistance between ballast, and interacted by frictional resistance stick 22 and roadbed surface layer construct 11, greatly enhance the whole steady of ballast
Qualitative and anti-slide performance effectively improves the safety of heavy grade cogwheel railway.In road shoulder position fixed setting block quarrel wall 20 can be with
Play the role of blocking to ballast 12, not only having avoided ballast 12, laterally generation is unstable in roadbed, but also reduces width of the subgrade surface, from
And it saves the area and reduces embankment amount of fill.
Referring to Fig.1, the top surface of embankment surface layer filling body 11 is not less than 4% draining from roadbed center to two sides setting
The gradient.The friction pad 13 is made of the earth working material of great friction coefficient, and durability meets design requirement.
Referring to Figure 1 and Figure 3, the section for blocking quarrel wall 20 is L-shaped, has cantilever and bottom plate, bottom plate upper edge line direction
Interval setting fixed steel bars 21, each fixed steel bars 21 are fixedly connected with the reinforcing bar for blocking quarrel wall 20 and extend down into embankment surface layer and fill out
In building body 11.Quarrel 20 plate top surface of wall that blocks rolls tiltedly to roadbed side slope, forms the drainage grade not less than 4%, the draining
The gradient is not less than the drainage grade of 11 top surface of embankment surface layer filling body.It is described block quarrel the every longitudinal gap 1-2m in 20 cantilever bottom of wall it is pre-
Stay a drain hole 25.Referring to Fig. 3,13 both lateral sides of friction pad are overlapped with quarrel 20 plate top surface of wall is blocked, and the lap of splice is not
Less than 20cm.
Referring to Fig. 2, friction pad 13 is exposed on the top of the frictional resistance stick 22, and small-sized lattice guest cage 24 exposes section with frictional resistance stick 22 and ties up
Bundle is fixedly connected.Referring to Fig.1, the small-sized lattice guest cage 24 is settable two layers usual, wherein the top surface of the small-sized lattice guest cage 24 of lower layer
On the Bottom Altitude position of track structure 30.
Referring to Fig.1, the construction method of a kind of enhanced ballast bed structure of embankment cogwheel railway of the invention, including walk as follows
It is rapid:
1. the filling body 10 in ground higher slice railway embankment lower part；
2. the 10 higher slice railway embankment surface layer filling body 11 of filling body in embankment lower part, roadbed two sides road shoulder position fill to
Quarrel 20 Bottom Altitude of wall is blocked, the top surface of embankment surface layer filling body 11 is not less than 4% weathering from roadbed center to two sides setting
Degree；
3. quarrel 20 reinforcing bar of wall is blocked in binding, and fixed steel bars 21 are squeezed into embankment surface layer filling body 11, fixed steel bars 21 with
Block quarrel 20 reinforcing bar of wall binding connection；
Quarrel 20 concrete of wall is blocked 4. pouring, and reserves a drain hole 25 at interval of 1-2m in cantilever bottom；
5. being laid with friction on 11 top surface of embankment surface layer filling body after blocking quarrel 20 concrete of wall and reaching the 70% of intensity
Pad 13, and tense it is exceptionally straight, 13 both lateral sides of friction pad and block quarrel 20 bottom plate of wall overlap joint；
6. the fixed U-shaped nail 23 of interval insertion on friction pad 13,23 lower parts of U-shaped nail pass through friction pad 13 and are fixed on dike surface layer
In filling body 11；
7. pass through friction pad 13 squeezes into frictional resistance stick 22 in dike surface layer filling body 11, friction pad 13 is exposed in 22 upper end of frictional resistance stick
Certain altitude；
8. small-sized lattice guest cage 24 exposes section binding and fixing with frictional resistance stick 22 in the small-sized lattice guest cage 24 of 13 placed on top of friction pad
Connection；
9. being packed into ballast 12 in small-sized lattice guest cage 24, and vibratory compaction is to 30 Bottom Altitude of track structure；
10. it is put into track structure 30 at the top of the ballast 12 of closely knit small-sized lattice guest cage 24, it is small to residue between track structure 30
Ballast 12 and vibratory compaction are loaded in type lattice guest cage 24.
Above-mentioned construction method is easy to operate, system easy to control the quality, and has in cost saving.
The above is the explain through diagrams a kind of enhanced ballast bed structure of embankment cogwheel railway of the present invention and its side of constructing
Some principles of method are not intended to for the present invention being confined in shown and the specific structure and the construction method scope of application,
Therefore all corresponding modifications that may be utilized and equivalent, belong to the applied the scope of the patents of the present invention.
Claims (8)
1. a kind of enhanced ballast bed structure of embankment cogwheel railway, roadbed includes embankment lower part filling body of the placement in layers on ground
(10) and embankment surface layer filling body (11) of the placement in layers on embankment lower part filling body (10), it is characterized in that: the embankment
Quarrel wall (20) is blocked in the road shoulder position fixed setting of surface layer filling body (11) two sides, and two sides are blocked between quarrel wall (20) on embankment surface layer
(11) friction pad (13) fixed by U-shaped nail (23) is laid on top surface, and longitudinally, laterally setting its underpart in interval passes through friction
Pad the frictional resistance stick (22) that (13) enter embankment surface layer filling body (11)；Continuously it is arranged and frictional resistance stick (22) on the friction pad (13)
The small-sized lattice guest cage (24) to form a fixed connection, small-sized lattice guest cage (24) is interior to load ballast (12) and vibratory compaction, track structure
(30) it is embedded in the top of ballast (12).
2. a kind of enhanced ballast bed structure of embankment cogwheel railway as described in claim 1, it is characterized in that: the embankment surface layer is filled out
The top surface of building body (11) is not less than 4% drainage grade from roadbed center to two sides setting.
3. a kind of enhanced ballast bed structure of embankment cogwheel railway as described in claim 1, it is characterized in that: described block quarrel wall (20)
Section it is L-shaped, have cantilever and bottom plate, bottom plate upper edge line direction interval be arranged fixed steel bars (21), each fixed steel bars
(21) it is fixedly connected and is extended down into embankment surface layer filling body (11) with the reinforcing bar for blocking quarrel wall (20).
4. a kind of enhanced ballast bed structure of embankment cogwheel railway as claimed in claim 3, it is characterized in that: described block quarrel wall (20)
Plate top surface is rolled to roadbed side slope tiltedly forms the drainage grade for being not less than 4%, which fills not less than embankment surface layer
The drainage grade of body (11) top surface；The quarrel every longitudinal gap 1-2m in wall (20) cantilever bottom that blocks reserves a drain hole (25).
5. a kind of enhanced ballast bed structure of embankment cogwheel railway as claimed in claim 3, it is characterized in that: the friction pad (13)
Both lateral sides are not less than 20cm with quarrel wall (20) plate top surface overlap joint, the lap of splice is blocked.
6. a kind of enhanced ballast bed structure of embankment cogwheel railway as described in claim 1, it is characterized in that: the frictional resistance stick (22)
Top expose friction pad (13), small-sized lattice guest cage (24) and frictional resistance stick (22) exposing section binding and fixing are connect.
7. 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
(24) it is arranged two layers, wherein the top surface of the small-sized lattice guest cage (24) of lower layer is located on the Bottom Altitude position of track structure (30).
8. a kind of construction method of the enhanced ballast bed structure of embankment cogwheel railway as described in claim 1 to 7 any one, including
Following steps:
1. in ground higher slice railway embankment lower part filling body (10)；
2. in embankment lower part filling body (10) higher slice railway embankment surface layer filling body (11), roadbed two sides road shoulder position fill to
Block quarrel wall (20) Bottom Altitude；
3. quarrel wall (20) reinforcing bar is blocked in binding, and squeezes into fixed steel bars (21), fixed steel bars in embankment surface layer filling body (11)
(21) with block quarrel wall (20) reinforcing bar binding connect；
Quarrel wall (20) concrete is blocked 4. pouring, and reserves a drain hole (25) at interval of 1-2m in cantilever bottom；
5. being laid with friction on embankment surface layer filling body (11) top surface after blocking quarrel wall (20) concrete and reaching the 70% of intensity
Pad (13), and tense it is exceptionally straight, friction pad (13) both lateral sides and block quarrel wall (20) bottom plate overlap joint；
6. the fixed U-shaped nail (23) of interval insertion, U-shaped nail (23) lower part pass through friction pad (13) and are fixed on dike on friction pad (13)
In surface layer filling body (11)；
7. passing through friction pad (13) to squeeze into dike surface layer filling body (11) frictional resistance stick (22), friction is exposed in frictional resistance stick (22) upper end
Pad (13) certain altitude；
8. section binding is exposed in small-sized lattice guest cage (24) and frictional resistance stick (22) in the small-sized lattice guest cage (24) of friction pad (13) placed on top
It is fixedly connected；
9. being packed into ballast (12) in the small-sized lattice guest cage (24), and vibratory compaction is to track structure (30) Bottom Altitude；
10. being put into track structure (30) at the top of the ballast (19) of closely knit small-sized lattice guest cage (24), remained between track structure (30)
Ballast (12) and vibratory compaction are loaded in remaining small-sized lattice guest cage (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347998.5A CN110055825A (en) | 2019-04-28 | 2019-04-28 | A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method |
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| CN201910347998.5A CN110055825A (en) | 2019-04-28 | 2019-04-28 | A kind of enhanced ballast bed structure of embankment cogwheel railway and construction method |
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