CN209493763U - A kind of track traffic synthetic pipe trench service pit structure - Google Patents
A kind of track traffic synthetic pipe trench service pit structure Download PDFInfo
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- CN209493763U CN209493763U CN201821955633.8U CN201821955633U CN209493763U CN 209493763 U CN209493763 U CN 209493763U CN 201821955633 U CN201821955633 U CN 201821955633U CN 209493763 U CN209493763 U CN 209493763U
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Abstract
The utility model relates to road and rail traffic technical field of construction, disclose a kind of track traffic synthetic pipe trench service pit structure, service pit is provided on subgrade bed, service pit is connected to along track length direction with integrated pipe canal, inlet and outlet channel is vertically arranged above service pit, service pit is in communication with the outside by importing and exporting channel, and the width for importing and exporting channel is less than the width of service pit, and the two sides inside service pit carry out classification laying to pipeline.A kind of track traffic synthetic pipe trench service pit structure provided by the utility model, it can be used for the rail traffics such as tramcar, subway, the structure is connected laying with rail traffic roadbed section integrated pipe canal, can overhaul for pipeline and provide upkeep operation platform, is conducive to daily management, dimension is supported.And the service pit structure is simple, strong applicability.
Description
Technical field
The utility model relates to road and rail traffic technical field of construction, more particularly to a kind of track traffic synthetic pipe
Ditch service pit structure.
Background technique
Existing rail traffic is for example: tramcar, and roadbed section line layout is usually communication, signal, electric power, power supply etc.
Profession is laid according to respective demand, and installation position disunity, some is laid in route two sides, and some is laid in route
Between, line layout relatively disperse, dispersion lay to daily maintenance, pipe support etc. bring many inconvenience, increase maintenance cost.
Also cause few pipeline service pits for rail traffic roadbed section integrated pipe canal to design, be also mostly even if having
Apply the service pit structure of highway, municipal works.Special in-depth is not carried out for rail traffic roadbed section integrated pipe canal,
And integrated pipe canal service pit is studied according to the characteristics of rail traffic roadbed section.
Existing rail traffic roadbed section line layout disperses disunity, and without relatively applicable service pit structure.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of track traffic synthetic pipe trench service pit structures, for solving or partially solving
The problem that certainly existing rail traffic roadbed section causes pipeline maintenance inconvenient without relatively applicable service pit structure.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of track traffic synthetic pipe trench service pit structure, inspection
It repairs hole to be provided on subgrade bed, the service pit is connected to along track bed length direction with integrated pipe canal, in the service pit
Top be vertically arranged inlet and outlet channel, the service pit is in communication with the outside by the inlet and outlet channel, and described import and export is led to
The width in road is less than the width of the service pit.
On the basis of above scheme, the two sides inside the service pit carry out classification laying to pipeline.
On the basis of above scheme, the two sides inside the service pit be respectively set cable bearer to the pipeline into
Row support, one end of the cable bearer are connected with the crater wall of the service pit, and it is logical that the cable bearer is located at the inlet and outlet
Except the upright projection area in road.
On the basis of above scheme, ponding ditch, the top setting of the ponding ditch are set in the bottom of the service pit
Cover board.
On the basis of above scheme, the top of the subgrade bed is laid with reinforced concrete backing plate, in the reinforced concrete backing plate
Top be laid with track structure, the inlet and outlet channel is through the reinforced concrete backing plate and the track structure；The inlet and outlet
The either flush at the top in channel and the track structure.
On the basis of above scheme, the crater wall of the service pit and hole bottom are structure as a whole with the reinforced concrete backing plate.
On the basis of above scheme, the integrated pipe canal is arranged among track bed, is located in subgrade bed.
On the basis of above scheme, the track structure includes track and rail；The track is arranged described
On reinforced concrete backing plate, the rail is arranged on the track；Between the two neighboring track, the rail surface
The space filling soil body below or setting hard surface structure.
On the basis of above scheme, the inlet and outlet channel is rectangle, and top is arranged in the top in the inlet and outlet channel
Lid；The inlet and outlet channel is 1.6-2.0m along the length of the integrated pipe canal length direction；The width in the inlet and outlet channel
For 0.5-0.9m.
(3) beneficial effect
A kind of track traffic synthetic pipe trench service pit structure provided by the utility model, can be used for tramcar, subway etc.
Rail traffic, the structure are connected laying with rail traffic roadbed section integrated pipe canal, and it is flat to provide upkeep operation for pipeline maintenance
Platform is conducive to daily management, dimension is supported.And the service pit structure is simple, strong applicability.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-section of track traffic synthetic pipe trench service pit structure of the utility model embodiment；
Fig. 2 is a kind of top view of track traffic synthetic pipe trench service pit structure of the utility model embodiment；
Fig. 3 is the schematic cross-section of integrated pipe canal in the utility model embodiment；
Fig. 4 is the schematic cross-section of the utility model embodiment middle orbit road structure.
Description of symbols:
1-service pit；2-inlet and outlet channels；3-reinforced concrete backing plates；
4-tracks；5-filling the soil bodys；6-rail；
7-cable beareves；8-ponding ditches；9-top covers；
10-subgrade beds；11-integrated pipe canals；12-pipelines.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
With reference to Fig. 1 and Fig. 2, a kind of track traffic synthetic pipe trench service pit structure is provided according to the utility model embodiment,
Service pit 1 is provided on subgrade bed 10, and service pit 1 is connected to along track bed length direction with integrated pipe canal 11, in service pit 1
Top be vertically arranged inlet and outlet channel 2, service pit 1 by import and export channel 2 be in communication with the outside, import and export channel 2 width
Less than the width of service pit 1.
Further, the two sides inside service pit 1 carry out classification laying to pipeline 12.
A kind of track traffic synthetic pipe trench service pit structure provided in this embodiment, is arranged in the suitable position of integrated pipe canal 11
Set place.Integrated pipe canal 11 is arranged along track bed length direction.The service pit 1 is along track bed length direction and integrated pipe canal 11
It is connection.I.e. pipeline 12 may pass through service pit 1 and be laid in integrated pipe canal 11.
Pit body of the groove as service pit 1 is excavated on subgrade bed 10.Track bed structure is laid on subgrade bed 10.
That is the lower section that is located at track bed of service pit 1, for a pit body with accommodation space.Inlet and outlet channel 2 is vertically positioned at maintenance
The top in hole 1.Answer penetrating orbit road structure in inlet and outlet channel 2.Service pit 1 is set to pass through inlet and outlet channel 2 and the external world, i.e. track
Top surface on be connected to.
The top at the intermediate position of service pit 1 is arranged in inlet and outlet channel 2.The width that inlet and outlet channel 2 is arranged is less than maintenance
The width in hole 1.The influence to track bed and track structure can be reduced, and the two sides inside service pit 1 form and more close
Space, convenient for two sides lay pipeline, protective action can be played to the pipeline of two sides.
The two sides inside service pit 1 are arranged in pipeline 12, easy access personnel enter service pit 1 from inlet and outlet channel 2
Intermediate position maintenance and inspection are carried out to the pipelines 12 of two sides.
And the pipeline 12 of two sides is located at the lower section of track structure, safety and stability is compared in setting.Further, in service pit 1
Internal two sides setting pipeline 12 can also carry out classification setting to pipeline 12.There will be two class pipelines 12 of significant difference to set respectively
In the two sides of service pit 1.Relatively more similar pipeline 12 can be arranged in the side of service pit 1.Consequently facilitating the maintenance of pipeline 12
And maintenance.
For example, forceful electric power pipeline 12 can be arranged in the side of service pit 1, the another of service pit 1 is arranged in light current pipeline 12
Side.When needing to overhaul pipeline 12, service personnel can enter inside service pit 1 from inlet and outlet channel 2, then align
Pipeline 12 in two sides is overhauled.
A kind of track traffic synthetic pipe trench service pit structure provided in this embodiment, can be used for the rails such as tramcar, subway
Road traffic, the structure are connected laying with rail traffic roadbed section integrated pipe canal 11, can overhaul for pipeline 12 and provide upkeep operation
Platform is conducive to daily management, dimension is supported.And 1 gut line 12 of service pit is set up in two sides respectively, regional function is well defined,
Such as strong and weak electricity point side is set up, and mutual influence is small, and it is easy to identify, it is conducive to routine testing.And 1 structure of service pit is simple,
Strong applicability.
On the basis of the above embodiments, further, it is right that cable bearer 7 is respectively set in the two sides inside service pit 1
Pipeline 12 is supported, and one end of cable bearer 7 is connected with the crater wall of service pit 1, and cable bearer 7 is located at inlet and outlet channel 2
Except upright projection area.
The settable cable bearer 7 in two sides inside service pit 1 is supported pipeline 12.Cable bearer 7 is set by two sides
It sets, number of holders can be increased and decreased according to the actual situation, to meet erection demand.To ensure that service personnel passes in and out safety, bracket
Length should not extend into the upright projection area of exit passageway 2.So that service personnel is entering service pit 1 by inlet and outlet channel 2
When, it is not easy to cable bearer 7 and cable are touched, to guarantee that service personnel passes in and out safety.
On the basis of the above embodiments, further, ponding ditch 8, the top of ponding ditch 8 are set in the bottom of service pit 1
Cover board is arranged in portion.Cheat bottom in service pit 1 and be provided with the ponding ditch 8 of cover board, for seeping water, rainwater collect, to ensure to overhaul
The drying of personnel's sole is clean and tidy.
On the basis of the above embodiments, further, inlet and outlet channel 2 is rectangle, and facilitates construction, is imported and exported
Top cover 9 is arranged in the top in channel 2, can prevent sundries from entering service pit 1, and can guarantee the safety of track.
On the basis of the above embodiments, further, the top of subgrade bed 10 is laid with reinforced concrete backing plate 3, in reinforcing bar
The top of concrete backing plate 3 is laid with track structure, and reinforced concrete backing plate 3 and track structure are run through in inlet and outlet channel 2；Import and export channel 2
The either flush at top and track structure, to guarantee the smooth of rail top face, service personnel can directly enter disengaging in orbit
Mouth channel 2.
On the basis of the above embodiments, further, track structure includes track 4 and rail 6；Track 4 is arranged
On reinforced concrete backing plate 3, rail 6 is arranged on track 4；Between track 4, the filling soil in space below of 6 top surface of rail
Body 5 or setting hard surface structure.
The present embodiment based on the above embodiment, is illustrated the track structure of 10 top of subgrade bed.Subgrade bed
10 are located at the lower section of track structure.For the stabilization for guaranteeing track structure, one layer of reinforced concrete backing plate 3 can be set in track lower berth.Then
Track structure is laid on reinforced concrete backing plate 3.
Service pit 1 is located in subgrade bed 10.Reinforced concrete backing plate 3 and track structure are located at the top of service pit 1.Inlet and outlet
Channel 2 should realize the connection on service pit 1 and road surface through reinforced concrete backing plate 3 and track structure.
With reference to Fig. 4, by taking tramcar as an example, ground section roadbed and track structure layout scheme are as follows: lower layer is roadbed base
Bed 10 calculates 10 thickness of subgrade bed according to load and generally uses 1.0-2.5m that can meet bearing capacity demand (Special Roadbed area
Except section)；For guarantee ballast bed structure stabilization, in subgrade bed 10 arrangement above, one layer of reinforced concrete bed course, to meet roadbed not
The requirement of uniform settlement, thickness are calculated according to load and are determined, 0.1-0.3m thickness can satisfy the use demand under normal circumstances.
The above are track structures for reinforced concrete bed course.By taking 4 formula solid concrete roabed of tramcar track as an example: track structure is whole
A height of 0.4-0.6m is computed track beam width and takes 0.7-0.9m, and the solid concrete roabed dead load is lighter, can reduce dead load.It holds
Between rail platform 4, rail level with down space, in the settable filling soil body 5 in non-crossing section, turf plant；It can be done firmly in crossing location
Change processing, meets crossing vehicle pass-through demand；To meet traffic safety, the line spacing minimum value of route or so line is 3.8m.
On the basis of the above embodiments, further, the crater wall of service pit 1 and hole bottom are integrated with reinforced concrete backing plate 3
Structure.
Service pit 1 and track structure reinforced concrete backing plate 3 below use integrated design, make reinforced concrete backing plate 3 and maintenance
Hole 1 forms an entirety, can both guarantee under High-speed Train Loads in this way, the common stress of the two, promotes overall stability.
If the two is separately laid, the separator bar of reinforced concrete backing plate 3 and service pit 1 is just in track in the following, in train repeatedly
Under dynamic loading, reinforced concrete backing plate 3 is easy to appear discontinuity, displacement, to cause the differential settlement of track, influences
Road-ability and traffic safety, at the same be easy to cause 1 crater wall local pressure of service pit excessive under dynamic loading repeatedly and
It is damaged.
Further, the side wall at the crater wall of service pit 1 and hole bottom, reinforced concrete backing plate 3 and inlet and outlet channel 2 can be integrated knot
Structure.
On the basis of the above embodiments, further, with reference to Fig. 3, integrated pipe canal 11 is arranged among track bed, position
In subgrade bed 10.It is suitable for the layout scheme of rail traffic ground section roadbed and track structure, and integrated pipe can be met
11 design specification of ditch, resistance to compression demand and space requirement etc..Integrated pipe canal 11 is located at route center, below reinforced concrete backing plate 3
In space, it can be constructed simultaneously with roadbed ontology, embedding simultaneously.
Integrated pipe canal 11 is the channel below track structure, in subgrade bed 10.12 cable of pipeline is laid in integrated pipe
After in ditch 11, filler can be clogged in integrated pipe canal 11.Fillable bubble face concrete, honeycomb resin structure object etc..
On the basis of the above embodiments, further, inlet and outlet channel 2 is along the length of 11 length direction of integrated pipe canal
1.6-2.0m；The width for importing and exporting channel 2 is 0.5-0.9m.It is spacious to import and export channel 2, the disengaging of personnel convenient to overhaul, and energy
It is smooth that ventilation is effectively ensured.
On the basis of the above embodiments, further, a kind of the various embodiments described above middle orbit traffic integrated pipe canal 11 is examined
The construction method for repairing 1 structure of hole includes: filling roadbed bedding 10；Setting according to pre-set dimension and ponding ditch 8 is filling it
Service pit 1 is excavated on subgrade bed 10 afterwards；Reinforcement placing concrete backing plate 3 and 1 crater wall of service pit and hole bottom reinforcing bar, formwork erection；It is right
Reinforced concrete backing plate 3 and 1 crater wall of service pit and hole bottom are poured, and the company between 2 side wall of channel is reserved and imported and exported when pouring
Connect reinforcing bar；The reinforcing bar of inlet and outlet 2 side wall of channel is set up, formwork erection is simultaneously poured；Cable bearer 7 and electricity are set up in service pit 1
Cable.
In the construction method, the construction to service pit 1 is progress synchronous with the construction of roadbed ontology, embedding simultaneously.
It is to carry out filling for roadbed ontology first, fills absolute altitude and controlled by 3 structure floor of reinforced concrete backing plate.Then according to service pit
1 size carries out excavation of foundation pit on the roadbed filled, and carries out to the foundation pit excavated smooth.Directly ponding is dug out in bottom
Ditch 8.
Then reinforcement placing concrete backing plate 3 and 1 crater wall of service pit cheat bottom reinforcing bar；According to 1 crater wall of reinforced concrete bed course and service pit
Size carries out formwork erection；Cast in situs need to reserve the connection reinforcing bar between inlet and outlet 2 side wall of channel when pouring；It is passed in and out
It the erection of 2 side wall reinforcing bar of mouthful channel, formwork erection and pours.
It can prefabricated 2 top cover 9 of inlet and outlet channel and 8 cover board of ponding ditch；Cable bearer 7 is set up according to demand；Set up cover board；Into
The construction of row track structure.
On the basis of the above embodiments, further, a kind of track traffic synthetic pipe trench service pit structure and rail electricity
The linking of the rail traffics roadbed section such as vehicle, subway integrated pipe canal 11 is laid, and can be overhauled for pipeline 12 and be provided upkeep operation platform, have
It is supported conducive to daily management, dimension.
Service pit 1 is longitudinal to be connected to integrated pipe canal 11, and inlet and outlet channel 2 is rectangle.Inlet and outlet 2 dimensions length of channel is greater than
Equal to 1.8m, width 0.7m, service pit 1 imports and exports 2 upper cover of channel, three pieces of cover boards, and the size of the cover plate is 0.58 × 0.9m.Maintenance
1 inlet and outlet 2 absolute altitude of channel of hole and tramcar rail level are contour.Importing and exporting 2 height of channel is track structure height and reinforced concrete pad
The sum of the thickness of plate 3, can value be 0.7m.
1 entrance of service pit is spacious, and it is smooth that ventilation can be effectively ensured.Importing and exporting channel 2, the following are cable storages to cheat, storage
It is provided with cable bearer 7 in hole, sets up strong and weak cable run respectively.1 inner cable of service pit sets up regional function and is well defined, cloth
Equipped with special strong and weak electric support, and strong and weak electricity point side is set up, and mutual influence is small, easy to identify, is conducive to routine testing.
It is equipped with ponding ditch 8 in service pit 1, using central drainage and cleaning, erecting cable region can be made to keep drying, while can also protect
Under witness person when well operations, the drying in area of stopping over is clean and tidy.
By the reinforced concrete backing plate 3 of control settlement between streetcar track structure and subgrade bed 10 and 1 structure of service pit
It is integrated, making its connection is an entirety, it is common to bear track load, it is both promoted under conditions of not increasing construction investment
The stability of the section track structure also improves the overall stability for checking hole.
1 structure of service pit rail traffic (tramcar) normally expropriation of land circle in laying integrated pipe canal 11 and its
Service pit 1, and ensure that it does not invade limit.Under conditions of not increasing construction investment, service pit 1 is laid, both guarantees track structure
Stability, while guaranteeing the overall stability of service pit 1.
Service pit 1 has enough spaces, has both met 12 erection demand of pipeline, while guaranteeing that operating personnel can be along route longitudinal direction
Normal upkeep operation is carried out, upkeep operation space is sufficient.Roadbed section pipeline 12 daily maintenance, management, maintenance can be promoted
Convenience.
The present embodiment provides a kind of novel rail traffic roadbed section integrated pipe canal service pit structures, for suitable for rail
The reinforced concrete rectangle service pit 1 of electric car roadbed section.For the stabilization for guaranteeing track structure, reduce service pit 1 and track structure it
Between influence each other, the reinforced concrete backing plate 3 between service pit 1 and track structure body and roadbed ontology is attached, makes to check
The reinforced concrete backing plate 3 in hole and roadbed top surface forms entirety, the common stability for safeguarding roadbed and track structure.Effectively increase rail
Stability, the stability in cable check hole of road structure.
This is suitable for the reinforced concrete rectangle service pit structure of railway traffic engineering roadbed section, with rail traffic roadbed section
Integrated pipe canal 11 is adapted, simple and practical in structure, is met tramcar or so line minimum line spacing and is laid demand, does not increase use
Ground.
The service pit 1 is by the reinforced concrete backing plate 3 of control settlement between streetcar track structure and subgrade bed 10 and examines
1 structure of hole is repaired to be integrated, making its connection is an entirety, it is common to bear track load, in the item for not increasing construction investment
Both the stability of the section track structure had been improved under part, also improved the overall stability for checking hole.
The service pit 1 is rectangular structure, breaches the construction of typical round structural body, which can effectively adapt to
The minimum line spacing of tramcar 3.8m, can be laid under conditions of not increasing minimum line spacing, meet limit demand.
1 longitudinal length of service pit is not less than 2.0m, and operating personnel can longitudinally carry out upkeep operation along route, and upkeep operation space is sufficient.
The service pit 1 can be applied in the various traffic engineering such as rail traffic, railway, highway, and society and economic benefit are aobvious
It writes, development prospect is wide.Promote the convenience of the management of track traffic road base area depot siding 12, maintenance.Improve tramcar pipe
Line 12 manages the comfortableness and security for supporting personnel's operating environment.Under conditions of not increasing construction investment, the section had both been improved
The stability of track structure also improves the overall stability for checking hole.The service pit 1 may extend to rail traffic, railway, public affairs
The fields such as road, market prospects are extensive.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of track traffic synthetic pipe trench service pit structure, which is characterized in that service pit is provided on subgrade bed, the inspection
It repairs hole to be connected to along track bed length direction with integrated pipe canal, inlet and outlet channel, institute is vertically arranged above the service pit
It states service pit to be in communication with the outside by the inlet and outlet channel, the width in the inlet and outlet channel is less than the width of the service pit
Degree.
2. track traffic synthetic pipe trench service pit structure according to claim 1, which is characterized in that in the service pit
The two sides in portion carry out classification laying to pipeline.
3. track traffic synthetic pipe trench service pit structure according to claim 2, which is characterized in that in the service pit
The two sides in portion are respectively set cable bearer and are supported to the pipeline, the hole of one end of the cable bearer and the service pit
Wall is connected, and the cable bearer is located at except the upright projection area in the inlet and outlet channel.
4. track traffic synthetic pipe trench service pit structure according to claim 1, which is characterized in that in the service pit
Ponding ditch is arranged in bottom, and cover board is arranged in the top of the ponding ditch.
5. track traffic synthetic pipe trench service pit structure according to claim 1, which is characterized in that the subgrade bed
Top is laid with reinforced concrete backing plate, is laid with track structure in the top of the reinforced concrete backing plate, the inlet and outlet channel is through described
Reinforced concrete backing plate and the track structure；The top in the inlet and outlet channel and the either flush of the track structure.
6. track traffic synthetic pipe trench service pit structure according to claim 5, which is characterized in that the hole of the service pit
Wall and hole bottom are structure as a whole with the reinforced concrete backing plate.
7. track traffic synthetic pipe trench service pit structure according to claim 1, which is characterized in that the integrated pipe canal is set
It sets among track bed, is located in the subgrade bed.
8. track traffic synthetic pipe trench service pit structure according to claim 5, which is characterized in that the track structure packet
Include track and rail；The track is arranged on the reinforced concrete backing plate, and the rail is arranged on the track；?
Between the two neighboring track, the rail surface space below filling soil body or setting hard surface structure.
9. track traffic synthetic pipe trench service pit structure according to claim 1, which is characterized in that the inlet and outlet channel
It is rectangle, top cover is arranged in the top in the inlet and outlet channel；The inlet and outlet channel is along the integrated pipe canal length direction
Length is 1.6-2.0m；The width in the inlet and outlet channel is 0.5-0.9m.
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| CN201821955633.8U CN209493763U (en) | 2018-11-26 | 2018-11-26 | A kind of track traffic synthetic pipe trench service pit structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518542A (en) * | 2018-11-26 | 2019-03-26 | 中铁四院集团西南勘察设计有限公司 | A kind of track traffic synthetic pipe trench service pit structure and construction method |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518542A (en) * | 2018-11-26 | 2019-03-26 | 中铁四院集团西南勘察设计有限公司 | A kind of track traffic synthetic pipe trench service pit structure and construction method |
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