CN110364958A - A method of laying cable trough on roadbed - Google Patents
A method of laying cable trough on roadbed Download PDFInfo
- Publication number
- CN110364958A CN110364958A CN201910531888.4A CN201910531888A CN110364958A CN 110364958 A CN110364958 A CN 110364958A CN 201910531888 A CN201910531888 A CN 201910531888A CN 110364958 A CN110364958 A CN 110364958A
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- China
- Prior art keywords
- cable trough
- cable
- roadbed
- laid
- road shoulder
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
Abstract
The present invention provides a kind of method that cable trough is laid on roadbed, comprising steps of providing cable trough；The cable trough is laid on the road shoulder of roadbed or outside road shoulder or at the slope foot of the bedding of roadbed.This method can be such that cable trough disengaging bedding is laid, so as to effectively avoid generating cable trough ponding, impregnate the problems such as bedding and subgrade drainage are unsmooth.It is laid with further, it is possible to adapt to special operation condition section, the globality of cable trough and the stability of roadbed has been effectively ensured, has improved the Service Environment of cable, to ensure the service life and railway operation safety of cable.
Description
Technical field
The present invention relates to cable groove of roadbed of railway technical fields, more particularly to a kind of side for laying cable trough on roadbed
Method.
Background technique
In recent years, the railway technology in China has obtained development at full speed, especially high-speed railway.In the operation of high-speed railway
In the process, in order to facilitate the maintenance of high-speed railway and maintenance, while guaranteeing operation security, all kinds of cables generally use cable trough
Mode is laid.Cable trough bears the task of maintenance line normal power supply, communication as an important infrastructure,
It is the artery of high-speed railway.
Currently, China express railway roadbed cable trough generallys use, signal of communication is total to slot, electric power divides the form of slot, cable trough
And cover board is formed using Reinforced Concrete Materials is prefabricated.Existing cable trough is generally arranged at subgrade bed surface layer, and passes through shield
Shoulder is fixed and forms one with subgrade bed.
However, existing cable trough still has some problems during service.For example, rainwater passes through cable trough and inside
Bedding is infiltrated in gap between surface layer of subgrade bed, and then leads to cable trough ponding, and bedding is impregnated, and even results in roadbed side slope unstability etc.
Problem.Meanwhile the presence of cable trough will affect subgrade bed draining and form the effect that blocks water, which results in water content in bedding
Increase, thus the problems such as causing roadbed frost damage.Also, since roadbed cable trough is generally arranged at subgrade bed surface layer, cross term
Mesh is more, needs to cut the road shoulder part of the subgrade bed filled in the construction process, be easy to cause so adjacent
Do not cut graded broken stone part loosening, to influence the quality of subgrade bed.In some special operation condition sections, cable trough is laid with
Constructional difficulties, and the laying structure of cable trough is unstable.In addition, cable trough drainage hole is commonly encountered the problems such as construction quality is bad,
So as to cause subgrade bed impeded drainage, to impregnate bedding, and then the hair of the diseases such as subgrade frost heaving, roadbed frost damage will lead to
It is raw, seriously affect the quality of subgrade bed.
Summary of the invention
For at least some technical problems as described above, the present invention is directed to propose a kind of lay cable trough on roadbed
Method.This method can be such that cable trough disengaging bedding is laid, so as to effectively avoid generating cable trough ponding, impregnate base
The problems such as bed and subgrade drainage are unsmooth.It is laid in special operation condition section using transition connection type, so as to guarantee
The globality of cable trough, and can adapt to the laying of the special operation conditions such as climbing, corner, different sections of highway transition, strong applicability.This
Outside, this method can guarantee the fixing intensity and its construction quality of cable trough, and guarantee the stability of roadbed, improve cable
Service Environment, thus ensure cable service life and railway operation safety.
For this purpose, according to the present invention, a kind of method for laying cable trough on roadbed is provided, comprising steps of providing cable
Slot；The cable trough is laid on the road shoulder of roadbed or outside road shoulder or at the slope foot of the bedding of roadbed.
In a preferred embodiment, connection is formed by fixed backing plate between the adjacent cable trough, and used
Anchor bolt is fixed on road shoulder surface.
In a preferred embodiment, the cable trough is laid on the slope of road shoulder by support frame, and described
The junction of adjacent cable trough is arranged in support frame.
In a preferred embodiment, support frame as described above includes the fixed plate and support plate of connection at an acute angle, Yi Jiyong
In the connecting plate for connecting the support plate and the fixed plate, the fixed plate with the slope of road shoulder for being fixedly connected, institute
Support plate is stated to be parallel to the horizontal plane and for installing the cable trough.
In a preferred embodiment, the cable trough is laid on the slope of road shoulder using buttress.
In a preferred embodiment, the cable trough is laid at the slope foot outside road shoulder using buttress, and according to row
The physical location in ditch is laid in the inner or outer side in the gutter.
In a preferred embodiment, the buttress is prefabricated casing, is fixed with bracket, phase in the end of the buttress
The junction of the adjacent cable trough is mounted on the bracket.
In a preferred embodiment, the cable trough is carried out in upper and lower roadbed section using three-dimensional connector or four-way connector
Transition is laid with.
In a preferred embodiment, the cable trough is crossed at rail in cable or road and bridge section, road tunnel section are using cable shaft
Carry out transition laying.
In a preferred embodiment, the cable trough embankment inspection mark time section using cable shaft or lower deep gouge into
Row transition is laid with.
Detailed description of the invention
The present invention will be described below with reference to accompanying drawings.
Fig. 1 is the schematic diagram of the embodiment one according to the present invention that cable trough is laid on roadbed.
Fig. 2 is the schematic diagram of the embodiment two according to the present invention that cable trough is laid on roadbed.
Fig. 3 is the schematic diagram of the embodiment three according to the present invention that cable trough is laid on roadbed.
Fig. 4 is the schematic diagram of the example IV according to the present invention that cable trough is laid on roadbed.
Fig. 5, which is shown, crosses the layout stracture of the cable trough at rail in cable.
Fig. 6 and 7 shows the layout stracture in the cable trough of upper and lower roadbed section.
Fig. 8 shows the layout stracture of the cable trough in roadbed Yu bridge junction.
Fig. 9 shows the layout stracture of the cable trough in roadbed Yu tunnel junction.
Figure 10, which shows to mark time in embankment section inspection, locates the layout stracture of cable trough in one embodiment.
Figure 11, which shows to mark time in embankment section inspection, locates the layout stracture of cable trough in another embodiment.
In this application, all attached drawings are schematical attached drawing, are merely to illustrate the principle of the present invention, and not by real
Border ratio is drawn.
Specific embodiment
The present invention is introduced below by attached drawing.
In this application, it should be noted that the extending direction along roadbed route arrangement of cable trough is defined as longitudinal direction,
The direction definition of roadbed route be will be far from as laterally.
According to the present invention, cable trough is detached from foundation bed structure and is laid, to thoroughly avoid generating cable trough ponding, impregnate
The problems such as bedding and unsmooth subgrade drainage, significantly reduces cable trough adverse effect caused by subgrade drainage and stabilization.
Fig. 1 schematically shows the knot for laying one embodiment of cable trough on roadbed according to the method for the present invention
Structure.
According to the present invention, before cable trough lays construction, basement process is carried out first.Subgrade bed is filled to base
At the top of bed bottom, observation sedimentation is until subgrade bed meets the laying construction requirement of cable trough, to roadbed base after pre- firming unloading
Bed provides cable trough after meeting execution conditions, and carries out the laying construction of cable trough.Below according to different embodiments, to cable
The distribution method of slot describes in detail.
Embodiment one:
In the present embodiment, cable trough 110 is laid in 100 ascender line road extending direction of road shoulder.
According to the present invention, adjacent sub- cable trough is formed by tube coupling and is connected, and passes through fixed backing plate in tube coupling junction
120 form a fixed connection with road shoulder 100.Fixed backing plate 120 is fixedly mounted on road shoulder 100 by anchor bolt.Fixed backing plate 120 is set
There is the first card slot, cable trough tube coupling, which is caught in the first card slot, is fixed installation.
During cable trough laying construction, fixed backing plate 120 first is installed in setting position, fixed backing plate 120 passes through anchor
Gu the road shoulder 100 of mode and bedding is fixed, later, cable trough 110 is fixedly mounted in the first card slot of fixed backing plate 120.
In order to improve cable trough 110 laying stability, be equipped between the first card slot and cable trough tube coupling of fixed backing plate 120 anti-
Water-bound glue, waterproof construction glue can effectively reinforce cable trough 110.This laying form of cable trough 110 can
It avoids intersecting with foundation bed structure, has been effectively ensured that foundation bed structure draining is unobstructed, and the laying form construction is simple is avoided to base
The influence of bed fillers.In addition, fixed backing plate 120 can effectively fix cable trough 110, and it can guarantee the rainwater of road bed
Smoothly pass through below cable trough 110, effectively avoids generating cable trough ponding, impregnates bedding and subgrade drainage is unsmooth etc. asks
Topic, significantly reduces influence of the road bed ponding to roadbed.
Embodiment two:
In the present embodiment, cable trough 210 is laid along route extending direction in the outside of road shoulder 200.
According to the present invention, cable trough 210 is laid on the slope of road shoulder 200 by support frame 220.As shown in Fig. 2, branch
Support 220 is fixed on the slope of road shoulder 200.Support frame 220 includes the fixed plate 221 and support plate 222 of connection at an acute angle,
The connecting plate 223 for being connected and fixed plate 221 and support plate 222 is equipped between fixed plate 221 and support plate 222.It props up as a result,
Support 220 forms stable triangular support configurations, can effectively ensure that the stability of support of the support frame 220 to cable trough.Gu
Acute angle between fixed board 221 and support plate 222 is set according to the inclination angle of the slope of road shoulder, is arranged to the inclination with slope
Angle is equal, so that support plate 222 is parallel to the horizontal plane.Fixed plate 221 with the slope of road shoulder 200 for being fixedly connected.One
In a embodiment, it is equipped with mounting hole in fixed plate 221, anchor bolt fixing piece is installed in mounting hole, to keep support frame 220 logical
Anchorage style is crossed to be fixed on the slope of road shoulder 200.This distribution method of cable trough 210 is easy for construction, and applies to road shoulder
Work does not require, and has good fixing intensity, can effectively ensure that the stability of cable trough.In addition, this method can make
Cable trough 210 is detached from bedding and is laid, so as to effectively avoid generating cable trough ponding, impregnate bedding and subgrade drainage
The problems such as unsmooth, significantly improves the Service Environment of cable, to ensure the service life and railway operation safety of cable.
In the present embodiment, support plate 222 is equipped with the second card slot.Adjacent sub- cable trough is formed by tube coupling and is connected,
And tube coupling junction is mounted on support frame 220, and to form a fixed connection in the second card slot being caught in support plate 222.
In order to improve cable trough 210 laying stability, between the second card slot and cable trough tube coupling of support plate 222 be equipped with waterproof
Structure glue, waterproof construction glue can effectively reinforce cable trough 210.In one embodiment, on the slope of road shoulder 200
Face ascender line road extending direction is every two meters of fixed installations, one support frame 220.
In one embodiment, support frame 220 is made of aluminium or composite material.Support frame 220 has good support
Intensity, and can guarantee the stability of cable trough 210.
In addition, in order to guarantee safety of the cable trough 210 during operation, when cable trough 210 is laid with installation, by cable trough
210 top surface is arranged to concordant with road shoulder plane.In such manner, it is possible to effectively avoid cable trough 210 because being influenced by external force such as train, wind
And route is rushed to, it avoids threatening traffic safety.Also, the setting of cable trough top surface is concordant with road shoulder plane can to expand cable trough
210 drainage space.Of course it is to be understood that the top surface of cable trough 210 also can be set into lower than road shoulder plane.
Embodiment three:
In the present embodiment, cable trough 310 is laid along route extending direction in the outside of road shoulder 300.
According to the present invention, cable trough 310 is laid on the slope of road shoulder 300 by buttress 320.As shown in figure 3, buttress
320 are fixed on the slope of road shoulder 300, and evenly-spaced distribution along longitudinal direction.In one embodiment, buttress 320
Using prefabricated steel sleeve, seamless steel pipe is preferably used.According to this present invention, steel sleeve is prefabricated together with road shoulder concrete to be applied
Work.Before pouring shoulder work, steel sleeve is spaced along the longitudinal two meters and is placed, later, is cast in the slope of road shoulder, thus
Form buttress 320.Cable trough 310 is laid on the outside of road shoulder 300 by buttress 320 and is in the upper of the slope of road shoulder 300
Side.This distribution method of cable trough 310 can be such that the disengaging bedding of cable trough 310 is laid, so as to effectively avoid producing
Raw cable trough ponding impregnates the problems such as bedding and subgrade drainage are unsmooth, the Service Environment of cable is significantly improved, to ensure
Service life and the railway operation safety of cable.
In the present embodiment, buttress 320 is cast in the slope of road shoulder perpendicular to horizontal plane, and buttress 320 is embedded in road
Depth in shoulder 300 is not less than 0.5 meter, and the support strength of buttress 320 is greater than 200kg.In this way, buttress can not only be effectively ensured
Support performance, and can guarantee the stability of cable trough 310.
According to the present invention, bracket 322 is equipped between buttress 320 and cable trough 310, bracket 322 includes third card slot.Phase
The sub- cable trough of neighbour is formed by tube coupling and is connected, and tube coupling junction is mounted in the third card slot of bracket 322 to be formed admittedly
Fixed connection.In one embodiment, bracket 322 is fixed on the top of buttress 320 by welding manner.Bracket 322 is before construction
It is welded on one end of buttress 320, and levelling by the plane progress on bracket 322 in pouring construction.
In one embodiment, buttress 320 is made of aluminium or composite material.Cable trough is laid with into one using buttress 320
Step enhances the support strength of buttress and the fixing intensity of cable trough, and the stability of cable trough 310 has been effectively ensured.
Example IV:
In the present embodiment, cable trough 410 is laid along route extending direction in the outside of road shoulder 400.
As shown in figure 4, cable trough 410 can also be laid in the slope foot side of roadbed by buttress 420.According to rail track
Actual condition, cable trough 410 can be laid at the slope foot of embankment or cutting, and can be laid according to the position in gutter 440
In the inner or outer side in gutter 440.This laying mode of cable trough 410 reduces the difficulty of construction of infrastructure, and electricity
It the laying of cable slot and performs that space is big, has just become the laying construction of cable trough.In addition, cable trough 410 is laid in distance at slope foot
Track circuit farther out, is avoided and is impacted to the safety of train operation, and will not influence road structure.
In the present embodiment, the construction stream of the construction process of buttress 420 and the buttress 320 in form of construction work and embodiment three
Journey is identical with form of construction work.
According to the present invention, cable trough is laid in transient working condition section using transition connection.For example, crossing rail in cable
Place has the changeover portions such as acclive upper and lower roadbed section and road and bridge, road tunnel section using transition connection and carries out laying construction.Below
It is introduced for specific transition section.
The cable of rail was needed to cross rail section in roadbed cable, cable trough can form transition connection by cable shaft.Such as Fig. 5
It is shown, cable shaft 140 is set on the road shoulder 100 that cable crosses the dug way at rail or roadbed section, and cable shaft 140 is arranged in railway
The both lateral sides of route.Cable trough 110 is connected by 140 transition of cable shaft, and is laid on cable laterally under rail track
Side.The transition for completing cable trough 110 as a result, is laid with, to realize that cable crosses rail laying.
The roadbed section up and down of upper and lower roadbed is needed in roadbed cable, three-dimensional connector or four-way connector shape can be used in cable trough
It is connected at transition.As shown in fig. 6, cable trough 110 is laid on the slope of road shoulder 100.When roadbed cable is needed along roadbed 100
When being laid with downwards, cable trough 110 uses 150 transition of three-dimensional connector connection to extend one section of cable being laid with downwards along roadbed
Slot.Cable trough 110 is completed as a result, along the laying construction of the downward transition of roadbed 100.
As shown in fig. 7, cable trough 110 is laid on the slope foot side of roadbed 100.When roadbed cable is needed along roadbed 100 upwards
When laying, cable trough 110 uses 160 transition of four-way connector connection to extend one section of cable trough being laid with upwards along roadbed.By
This, completes cable trough 110 along the laying construction of the upward transition of roadbed 100.
Further, since the size for the cable trough used by base segment and tunnel or bridge that satisfies the need is different, spread in cable trough
In facility work, for actual condition, transition laying can be carried out by cable shaft.As shown in figure 8, in roadbed section 500 and bridge
530 import and export is arranged cable shaft 540, roadbed section cable trough 510 and bridge cable slot 511 and was formed by cable shaft 540
Cross connection.The transition laying construction of roadbed section cable trough 510 and bridge cable slot 511 is completed as a result,.
Similarly, as shown in figure 9, cable shaft 640, roadbed section electricity is arranged in the import and export in roadbed section 600 and tunnel 630
Cable slot 610 forms transition by cable shaft 640 with tunnel cable slot 611 and connects.Roadbed section cable trough 610 and tunnel are completed as a result,
The transition laying construction of road cable trough 611.
In addition, marking time for the inspection of embankment section at the crossover location of cable trough, setting cable shaft or lower deep gouge can be passed through
The transition for carrying out cable trough is laid with.In one embodiment, as shown in Figure 10, embankment section inspection mark time 750 longitudinal two sides
Two cable shafts 740 of setting, two 740 lower part connection of cable shaft, and be located at the inspection of embankment section mark time 750 lower section, it is longitudinal
Cable can be from 740 lower part of cable shaft by realizing connection.Cable trough 710 can realize transition shape by two cable shafts 740
At continuous laying.In another embodiment, as shown in figure 11, embankment section inspection mark time 850 longitudinal two sides be arranged cable
Well 840, and embankment section inspection mark time 850 lower section setting under deep gouge 860, lower deep gouge 860 extends longitudinally.It is examined in embankment section
It looks into and marks time at 850, cable trough 810 can realize that transition form continuous laying by cable shaft 840 and lower deep gouge 860.As a result,
It marks time place encountering embankment section inspection, cable trough laying is carried out by cable shaft or lower deep gouge, to complete the transition of cable trough
Laying construction.
Cable trough is laid in transient working condition section using transition connection, and the practical work in practical section can be effectively adapted to
Condition reduces the laying difficulty of the cable trough of some special operation conditions, and the stability being laid with, improves the company of cable trough laying
Continuous property, and cable cross winding at special operation condition position is effectively prevented, the laying of cable is greatly facilitated, to improve
The safety of cable.In addition, the laying construction mode is simple and convenient, construction efficiency is high.
The method according to the present invention that cable trough is laid on roadbed can be such that cable trough disengaging bedding is laid, thus
It can effectively avoid generating cable trough ponding, impregnate the problems such as bedding and subgrade drainage are unsmooth.In addition, this method can pass through
Support frame or buttress guarantee cable trough laying construction quality and fixing intensity, and can guarantee subgrade stability.Meanwhile electricity
Cable slot carries out laying construction using transition connection in transient working condition section, can guarantee the globality of cable trough, and can fit
It should climb, the laying of corner, the special operation conditions such as different sections of highway transition, strong applicability, and substantially reduce the electricity in transition section
The difficulty that cable slot is laid with, improves the efficiency of cable trough laying construction, enhances the safety of cable, improve the military service of cable
Environment has ensured the service life and railway operation safety of cable.
Finally it should be noted that the foregoing is merely the preferred embodiments of the invention, do not constitute to the present invention
Any restrictions.Although referring to foregoing embodiments, invention is explained in detail, for the technology of this field
It for personnel, can still modify to technical solution documented by previous embodiment, or to part of technical characteristic
It is equivalently replaced.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all wrap
Containing within protection scope of the present invention.
Claims (10)
1. a kind of method for laying cable trough on roadbed, which is characterized in that comprising steps of
It provides cable trough (110)；
The cable trough is laid on the road shoulder (100) of roadbed or outside road shoulder or at the slope foot of the bedding of roadbed.
2. the method according to claim 1, wherein passing through fixed backing plate between the adjacent cable trough
(120) connection is formed, and is fixed on road shoulder surface using anchor bolt.
3. the method according to claim 1, wherein the cable trough is laid in road shoulder by support frame (220)
Slope on, and the junction of adjacent cable trough is arranged in support frame as described above.
4. according to the method described in claim 3, it is characterized in that, support frame as described above includes the fixed plate of connection at an acute angle
(221) and support plate (222), and the connecting plate (223) for connecting the support plate and the fixed plate, the fixed plate
It is fixedly connected for the slope with road shoulder, the support plate is parallel to the horizontal plane and for installing the cable trough.
5. the method according to claim 1, wherein the cable trough is laid in road shoulder using buttress (320)
On slope.
6. the method according to claim 1, wherein the cable trough is laid in the slope foot outside road shoulder using buttress
Locate, and is laid in the inner or outer side in the gutter according to the physical location in gutter.
7. method according to claim 5 or 6, which is characterized in that the buttress is prefabricated casing, and in the buttress
End is fixed with bracket (322), and the junction of the adjacent cable trough is mounted on the bracket.
8. according to claim 1 to method described in any one of 6, which is characterized in that the cable trough is adopted in upper and lower roadbed section
Transition laying is carried out with three-dimensional connector (150) or four-way connector (160).
9. according to claim 1 to method described in any one of 6, which is characterized in that the cable trough cross at rail in cable or
Road and bridge section, road tunnel section carry out transition laying using cable shaft.
10. according to claim 1 to method described in any one of 6, which is characterized in that the cable trough is marked time in embankment inspection
Section carries out transition laying using cable shaft or lower deep gouge.
Priority Applications (1)
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| CN201910531888.4A CN110364958B (en) | 2019-06-19 | 2019-06-19 | Method for laying cable duct on roadbed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531888.4A CN110364958B (en) | 2019-06-19 | 2019-06-19 | Method for laying cable duct on roadbed |
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| CN110364958B CN110364958B (en) | 2021-09-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305699A (en) * | 2020-10-14 | 2021-02-02 | 胡维涛 | Communication protection structure of communication pipeline of highway monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305699A (en) * | 2020-10-14 | 2021-02-02 | 胡维涛 | Communication protection structure of communication pipeline of highway monitoring system |
| CN112305699B (en) * | 2020-10-14 | 2022-09-02 | 胡维涛 | Communication protection structure of communication pipeline of highway monitoring system |
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| CN110364958B (en) | 2021-09-14 |
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