CN205977268U - Prefabricated assembled drainage system in railway tunnel bottom - Google Patents
Prefabricated assembled drainage system in railway tunnel bottom Download PDFInfo
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- CN205977268U CN205977268U CN201620822454.1U CN201620822454U CN205977268U CN 205977268 U CN205977268 U CN 205977268U CN 201620822454 U CN201620822454 U CN 201620822454U CN 205977268 U CN205977268 U CN 205977268U
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Abstract
The utility model relates to a railway tunnel drainage system technical field provides a prefabricated assembled drainage system in railway tunnel bottom. This prefabricated assembled drainage system in railway tunnel bottom's inspection shaft setting is on the pipeline of filling layer drainage blind pipe, and filling layer drainage blind pipe intercommunication encircles foot longitudinal drainage blind pipe and inspection shaft, encircle between foot longitudinal drainage blind pipe and the filling layer drainage blind pipe, between filling layer drainage blind pipe and the inspection shaft to and all be connected through the detachable mode between inspection shaft and the inverted arch bottom discharge blind pipe, it is the prefab to encircle foot longitudinal drainage blind pipe, filling layer drainage blind pipe, inverted arch bottom discharge blind pipe and inspection shaft. Formation is assembled through the scene to the prefabricated assembled drainage system in railway tunnel bottom of this scheme, has improved drainage system construction quality and efficiency, has avoided the problem that the concrete drainage system later stage ftractureed and leak. And, can dredge through inspection shaft department when appearing blockking up in the system to the drainage system later maintenance ability has been improved.
Description
Technical field
This utility model is related to railway tunnel drainage system technical field, the prefabricated dress of more particularly, to a kind of railway tunnel bottom
Join formula drainage system.
Background technology
The drainage system in tunnel is the important step during tunnel construction, normal use and safe operation.With railway tunnel
As a example road, drainage system is directly connected to success or failure and the performance using function of Concerning Railway Tunnel Construction.
Commonly used cast-in-place concrete drainage system in railway tunnel at present, it does not only exist low construction efficiency, quality hardly possible
With the problem ensureing, and during pouring concrete, it is easily caused discharge pipe line blocking.And, putting in drainage system normally makes
With afterwards, the concrete gutter of cast-in-site and concrete inspection well are easy to crack, lead to water to enter tunnel bottom, thus causing frost boiling
Emit the diseases such as mud.
Additionally, in prior art railway tunnel drainage system, once there is the blocking of drainage system, do not have any effectively
Maintenance measure, thus its maintainability extreme difference it is impossible to ensure the permanently effective use of drainage system.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is：There is provided a kind of railway tunnel bottom prefabricated assembled drainage system, solve existing row
Water system exist low construction efficiency, of poor quality, easily occur disease and not easy care the problems such as.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of railway tunnel bottom prefabricated assembled draining system
System is it is adaptable to double -coil output, blind including packed layer draining blind pipe, inverted arch bottom discharge blind pipe and two arch springing longitudinal drainages
Pipe；Also include the inspection shaft being arranged between two described arch springing longitudinal drainage blind pipes；Described inspection shaft is arranged on described filling
On the pipeline of layer draining blind pipe, and described packed layer draining blind pipe connects described arch springing longitudinal drainage blind pipe and described inspection shaft；
Between described arch springing longitudinal drainage blind pipe and described packed layer draining blind pipe, described packed layer draining blind pipe and described inspection shaft it
Between, and be all connected by dismountable mode between described inspection shaft and described inverted arch bottom discharge blind pipe；Described arch springing is indulged
It is prefabricated component to draining blind pipe, packed layer draining blind pipe, inverted arch bottom discharge blind pipe and inspection shaft.
Preferably, between described arch springing longitudinal drainage blind pipe and described packed layer draining blind pipe, described packed layer draining is blind
Between pipe and described inspection shaft, and between described inspection shaft and described inverted arch bottom discharge blind pipe all using interpolation type screw thread even
Connect or sealing ring jointing connects.
Preferably, described packed layer draining blind pipe includes the longitudinal blind pipe being connected with described inspection shaft, and vertical with described
The horizontal blind pipe connecting to blind pipe or inspection shaft；Described horizontal blind pipe includes first being connected with described arch springing longitudinal drainage blind pipe
Laterally blind pipe, and the second horizontal blind pipe offering inlet opening.
Preferably, towards on the direction near the central axis of described horizontal blind pipe, the cross-sectional area of described inlet opening by
Cumulative big.
Preferably, described inverted arch bottom discharge blind pipe is connected by tee one-way valve with described inspection shaft.
Preferably, described inspection shaft includes well bore body, and the interpolation type well lid with described well bore body fits；Described
Well bore body is in hollow cylindrical；It is provided with heat-insulation layer in described well lid；The material of described inspection shaft is moulded for glass fiber reinforcement
Material.
Preferably, also include being arranged on the side longitudinal drainage ditch of described packed layer draining blind pipe both sides, and described arch springing is indulged
It is connected with described packed layer draining blind pipe to draining blind pipe by described side longitudinal drainage ditch.
Preferably, it is connected by three way cock between described arch springing longitudinal drainage blind pipe and described side longitudinal drainage ditch.
Preferably, also include packed layer center longitudinal drainage ditch, and described packed layer center longitudinal drainage ditch and described inspection
Look into well to connect.
This utility model also provides a kind of prefabricated assembled drainage system of railway tunnel bottom it is adaptable to single-track railway tunnel
Road, including packed layer draining blind pipe, inverted arch bottom discharge blind pipe and two arch springing longitudinal drainage blind pipes；Also include being arranged on tunnel
Inspection shaft in the refuge chamber of both sides；Described packed layer draining blind pipe, inverted arch bottom discharge blind pipe and two arch springing longitudinal drainages
Blind pipe is all connected by dismountable mode with described inspection shaft, and described arch springing longitudinal drainage blind pipe, packed layer draining blind pipe,
Inverted arch bottom discharge blind pipe and inspection shaft are prefabricated component.
(3) beneficial effect
The technical solution of the utility model has the advantages that：Railway tunnel bottom prefabrication and assembly construction of the present utility model
Formula drainage system, it is adaptable to double -coil output, is indulged including packed layer draining blind pipe, inverted arch bottom discharge blind pipe and two arch springings
To draining blind pipe；Also include the inspection shaft being arranged between two described arch springing longitudinal drainage blind pipes；Described inspection shaft is arranged on
On the pipeline of described packed layer draining blind pipe, and described packed layer draining blind pipe connect described arch springing longitudinal drainage blind pipe with described
Inspection shaft；Between described arch springing longitudinal drainage blind pipe and described packed layer draining blind pipe, described packed layer draining blind pipe with described
Between inspection shaft, and all it is connected by dismountable mode between described inspection shaft and described inverted arch bottom discharge blind pipe；Institute
State arch springing longitudinal drainage blind pipe, packed layer draining blind pipe, inverted arch bottom discharge blind pipe and inspection shaft and be prefabricated component.The program
The prefabricated assembled drainage system of railway tunnel bottom is formed by on-site consolidation, improves drainage system construction quality and efficiency,
Avoid the problem of concrete drainage system later stage cracking leak.And, can be by inspection shaft when blocking in system
Dredged, thus improve drainage system later maintenance ability.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the prefabricated assembled drainage system of railway tunnel bottom of embodiment one；
Fig. 2 is the structural representation of the second horizontal blind pipe of embodiment one；
Fig. 3 is the cross-sectional schematic at A-A in Fig. 2；
Fig. 4 is a kind of sectional arrangement drawing of the inspection shaft of embodiment one；
Fig. 5 is the another sectional arrangement drawing of the inspection shaft of embodiment one；
Fig. 6 is the structural representation of the prefabricated assembled drainage system of railway tunnel bottom of embodiment two；
In figure：1st, packed layer draining blind pipe；101st, horizontal blind pipe；1011st, the first horizontal blind pipe；1012nd, second is laterally blind
Pipe；1012-1、；Inlet opening；102nd, longitudinal blind pipe；2nd, inverted arch bottom discharge blind pipe；3rd, arch springing longitudinal drainage blind pipe；4th, check
Well；5th, tee one-way valve；6th, packed layer center longitudinal drainage ditch；7th, side longitudinal drainage ditch；8th, track foundation；9th, packed layer；10、
Inverted arch；11st, convex hull formula drainable waterproofing plate；12nd, non-fine concrete.
Specific embodiment
With reference to the accompanying drawings and examples embodiment of the present utility model is described in further detail.Following examples
For this utility model is described, but can not be used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that
It is to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that
Instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary.For this
For the those of ordinary skill in field, concrete meaning in this utility model for the above-mentioned term can be understood with concrete condition.
In addition it should be noted that in present specification, as long as being related to " longitudinal " and the restriction of " horizontal ", wherein " indulging
To " refer to is along the direction that railway tunnel extends, and " horizontal " then refers to the direction perpendicular to " longitudinal ".
Embodiment one
Refer to Fig. 1, the prefabricated assembled drainage system of railway tunnel bottom of the present embodiment one is it is adaptable to double track railway tunnel
Road, including packed layer draining blind pipe 1 (horizontal blind pipe 101 and longitudinal blind pipe 102 composition packed layer draining blind pipe 1 in Fig. 1), inverted arch
Bottom discharge blind pipe 2 and two arch springing longitudinal drainage blind pipes 3, also include being arranged between two arch springing longitudinal drainage blind pipes 3
Inspection shaft 4.Wherein, inspection shaft 4 is arranged on the pipeline of described packed layer draining blind pipe 1, and packed layer draining blind pipe 1 connection institute
State arch springing longitudinal drainage blind pipe 3 and described inspection shaft 4；Between arch springing longitudinal drainage blind pipe 3 and packed layer draining blind pipe 1, filling
Between layer draining blind pipe 1 and inspection shaft 4, and all by dismountable mode between inspection shaft 4 and inverted arch bottom discharge blind pipe 2
Connect.And, arch springing longitudinal drainage blind pipe 3, packed layer draining blind pipe 1, inverted arch bottom discharge blind pipe 2 and inspection shaft 4 are pre-
Product.
Illustrate only the partial structurtes of the prefabricated assembled drainage system of railway tunnel bottom, actually railway tunnel in Fig. 1
Inspection shaft 4 quantity that the prefabricated assembled drainage system in bottom includes may be multiple, and the draining around each inspection shaft 4 arrangement
The quantity of blind pipe is also more.But because the situation of each inspection shaft 4 arrangement is about the same, in therefore Fig. 1, only intercept wherein one
Segment structure illustrates.
The prefabricated assembled drainage system of this railway tunnel bottom is formed by on-site consolidation, improves drainage system construction matter
Amount and efficiency, it is to avoid concrete drainage system later stage ftractures the problem of leak.And, can pass through when blocking in system
Dredged at inspection shaft 4, thus improve drainage system later maintenance ability.
On this basis, because inspection shaft 4 and all draining blind pipes (include packed layer draining blind pipe 1, inverted arch bottom row
Water blind pipe 2 and arch springing longitudinal drainage blind pipe 3) directly or indirectly connect, the water in all draining blind pipes thus it can conflux
Afterwards water is discharged, such that it is able to omit the setting in gutter, realize effect that is cost-effective and strengthening tunnel bottom structural strength.
It should be noted that " inspection shaft 4 is arranged on the pipeline of described packed layer draining blind pipe 1 " refers to inspection shaft 4
Connect with packed layer draining blind pipe 1, so that the water in packed layer draining blind pipe 1 can be discharged by inspection shaft 4.And,
Packed layer draining blind pipe 1 includes a lot of pipeline sections extending in all direction, and simultaneously all pipeline sections of non-sum are directly connected to inspection shaft 4, as long as but
Ensure that the water in pipeline section can be flowed in inspection shaft 4.Certainly, more preferably scheme is that inspection shaft 4 is arranged on filling
The central hub position of layer draining blind pipe 1, thus ensure the feasibility of each position draining.
On the basis of the above, can be using interpolation type is threaded or sealing ring jointing between adjacent drainage channel blind pipe
Connect, for example, between arch springing longitudinal drainage blind pipe 3 and packed layer draining blind pipe 1, between adjacent packed layer draining blind pipe 1.Except this
In addition, between inspection shaft 4 and inverted arch bottom discharge blind pipe 2, and all can adopt between packed layer draining blind pipe 1 and inspection shaft 4
With interpolation type is threaded or sealing ring jointing connects.Certainly, the place crossing in three pipelines can also adopt three
Pass joint is attached.
Specifically, described three way cock includes the first pipeline section, and the symmetrically arranged second pipe of relatively described first pipeline section
Section and the 3rd pipeline section.Once the second pipeline section or the 3rd pipeline section block, then common practice is to be carried out by the first pipeline section
Dredging.But in prior art, it is impossible to control its trend well after high pressure dredging shower nozzle inserts the first pipeline section, thus very
May the second pipeline section blocking when high pressure dredge the final injection of shower nozzle and put to being towards the 3rd pipeline section.In view of this, this enforcement
Example one is provided with division board on the shaft section of the first pipeline section, and is provided with through hole on division board, thus division board is being realized
High pressure is dredged with the circulation of the water not interfering with three-port structure on the basis of shower nozzle guides.
It is assumed that the first pipeline section is first end near one end of the second pipeline section (or the 3rd pipeline section) in the present embodiment one, and
The other end is the second end.In order to effectively guide to high pressure dredging shower nozzle, then the second of division board Edge Distance first pipeline section
End port must not be too far away, and is preferably isolated plate and extends directly into the second end port.Additionally, Edge Distance first pipeline section of division board
First end port nor too remote, and be preferably isolated plate and stretch out the first pipeline section and extend into the second pipeline section and the 3rd pipe
The intersection of section.Certainly, the setting of division board can not affect the connection between the second pipeline section and the 3rd pipeline section.Additionally, in order to protect
The reliability that card threeway pipeline section connects, is arranged with plug outside the second end port of the preferably first pipeline section.
Please with further reference to Fig. 1, in the present embodiment one, packed layer draining blind pipe 1 includes horizontal blind pipe 101 and longitudinal blind pipe
102.In Fig. 1, a corresponding inspection shaft 4 is provided with a longitudinal blind pipe 102, and longitudinal blind pipe 102 directly connects with inspection shaft 4
Connect.In addition in Fig. 1, or, horizontal blind pipe 101 is connected with longitudinal blind pipe 102, thus being passed into water by longitudinal blind pipe 102
In the middle of inspection shaft 4；Or, horizontal blind pipe 101 directly connects and water is passed directly in the middle of inspection shaft 4 with inspection shaft 4.
It should be appreciated that the quantity of the corresponding longitudinal blind pipe 102 of each inspection shaft 4 and horizontal blind pipe 101 and distribution are not
Limited by accompanying drawing 1, as long as whole packed layer draining blind pipe 1 can realize corresponding drain function.Thus, longitudinal blind pipe
102 and horizontal blind pipe 101 all both can directly connect it is also possible to be connected by other pipeline sections and inspection shaft 4 with inspection shaft 4.And
And, except longitudinal blind pipe 102 and horizontal blind pipe 101, the packed layer draining blind pipe 1 of the present embodiment one can also include with longitudinally blind
Pipe 102 and horizontal blind pipe 101 inclination blind pipe at an angle, here is omitted for concrete distribution.
Additionally, the whole prefabricated assembled drainage system of railway tunnel bottom is an axially symmetric structure in Fig. 1.It should be understood that
Be that axisymmetric version more can guarantee that each position proper drainage, but its do not constitute prefabricated to railway tunnel bottom
The restriction of assembled drainage system.Obviously in work progress when facing different execution conditions, the prefabricated dress of railway tunnel bottom
The concrete arrangement joining formula drainage system is likely to be adjusted correspondingly, and reasonably adjusts and all should be included in this enforcement
Within the protection domain of example one.
On this basis, according to the relation and arch springing longitudinal drainage blind pipe 3 between, horizontal blind pipe 101 is divided into the first horizontal stroke
To blind pipe 1011 and the second horizontal blind pipe 1012.Wherein, be directly connected to arch springing longitudinal drainage blind pipe 3 for the first horizontal blind pipe
1011, the now water extravasation in order to avoid entering from arch springing longitudinal drainage blind pipe 3, the first horizontal blind pipe 1011 top can not
Setting inlet opening.Additionally, discord arch springing longitudinal drainage blind pipe 3 connect for the second horizontal blind pipe 1012, the second horizontal blind pipe
1012 effect is to reduce groundwater pressure, excludes excessive moisture, and the protection soil body and rail facility will not become because producing infiltration
Shape and destroy, the therefore second horizontal blind pipe 1012 needs to open up inlet opening 1012-1, and inlet opening 1012-1 be located at install
The upside of the second good horizontal blind pipe 1012.
Wherein, inspection shaft 4, the preferably first horizontal blind pipe are smoothly flowed to for the ease of the water in arch springing longitudinal drainage blind pipe 3
1011 are inclined upwardly away from the direction of described inspection shaft 4, thus put to playing certain guiding function to current.Additionally,
Laterally blind pipe 101 can be solid wall pipe or double-wall corrugated pipe.Herein laterally a diameter of 50mm of blind pipe 101 prioritizing selection～
Spacing between the double-wall corrugated pipe of 160mm, and adjacent transverse blind pipe 101 could be arranged to 500mm～1000mm.Additionally,
In addition to the first horizontal blind pipe 1011 tilting, other laterally blind pipes 101 are preferably placed at below packed layer top surface 30cm.And
And, the diameter of longitudinal blind pipe 102 is preferably 100mm～200mm.
Refer to Fig. 2 and Fig. 3, in the present embodiment one, the side of the second horizontal blind pipe 1012 tube wall is provided with inlet opening
1012-1.Further as can be known from Fig. 3, towards near described second horizontal blind pipe 1012 central axis direction on, described enter
The cross-sectional area of water hole 1012-1 is gradually increased, namely inlet opening 1012-1 is the form of loudspeaker reaming.By arranging this kind of shape
The inlet opening 1012-1 of formula can avoid the impurity such as the grains of sand, dregs to enter into after the 1012-1 of inlet opening blocking occurs so that husky
Grain, dregs etc. can enter into infiltration and discharge in the second horizontal blind pipe 1012 and finally with infiltration, thus ensureing to arrange
The drainage effect of water system.
In the present embodiment, inlet opening 1012-1 is preferably centrosymmetric structure, for example round table-like, billiard table shape, irregularly-shaped hole etc..
Refer to Fig. 3, in the present embodiment inlet opening 1012-1 using round table-like form it should be appreciated that accompanying drawing is not constituted to water inlet
The restriction of hole 1012-1 structure.
In order to ensure that the second horizontal blind pipe 1012 can reduce groundwater pressure, preferably inlet opening 1012-1 to the full extent
Described second horizontal blind pipe 1012 is in blossom type is distributed, please with further reference to Fig. 2.Furthermore it is preferred that inlet opening 1012-1 exists
It is uniformly distributed on second horizontal blind pipe 1012.And, inlet opening 1012-1 setting space, diameter and draining blind pipe draining
Ability is mated.
Same inverted arch bottom discharge blind pipe 2 can be solid wall pipe or double-wall corrugated pipe.Inverted arch bottom in the present embodiment one
Draining blind pipe 2 preferentially adopts the double-wall corrugated pipe of a diameter of 200mm～400mm, and inverted arch bottom discharge blind pipe 2 is located at below inverted arch
On the upside of inverted arch bottom discharge blind pipe 2, in 100mm～2000mm, it is also equipped with the inlet opening 1012-1 of above-mentioned form.
Refer to Fig. 4 and Fig. 5, it is unidirectional that the inverted arch bottom discharge blind pipe 2 of the present embodiment one and described inspection shaft 4 pass through threeway
Valve 5 connects.Wherein, tee one-way valve 5 both can be vertical threeway, as shown in Figure 4；Can also be skew T, as shown in Figure 5.
And as can be seen that tunnel bottom includes track foundation 8, packed layer 9 from top to bottom successively, faces upward from Fig. 4 and Fig. 5
Arch 10, convex hull formula drainable waterproofing plate 11 and non-fine concrete 12.Wherein, inspection shaft 4 is located above inverted arch, and is located at track foundation
8 and packed layer in.
On this basis, the inspection shaft 4 of the present embodiment one includes being coaxially disposed from top to bottom successively well lid, upper well body and
Lower well body.Wherein, upper well body is configured with the first well chamber；Lower well body is configured with the second well chamber, and the first well chamber and second
Well chamber connects and composes well room.Lower well body is frustum, and the upper surface area of lower well body is less than the lower surface of described lower well body
Area.
In the present embodiment one, by the way of prefabricated rather than the mode of cast in situs obtains inspection shaft 4, therefore its structure
Do not limited by site operation, frustum can be designed to.On this basis, because lower well body is in frustum, in work progress
As long as in rationally lower well body is fixed on tunnel bottom it is possible to preventing from inspection shaft 4 off normal during concrete perfusion and floating,
Strengthen itself anti-floating ability of inspection shaft 4, solve inspection shaft 4 float lead to itself unstable and with pipeline junction fracture
Problem.
Additionally, the second well chamber in lower well body is in the form of a column, thus further enhance itself anti-floating ability of inspection shaft 4.When
So it should be noted that in the present embodiment one first well chamber and the second well chamber structure unrestricted, as long as meeting basic inspection
Look into well 4 basic demand.For example, the first well chamber and the second well chamber all can be designed to the column of arbitrary cross section,
May be designed to the frustum of arbitrary cross section.
On the basis of the above, upper well body is arranged to column, thus ensureing the size of inspection shaft 4 well head.
Further, upper well body is cylindrical, and lower well body is in circular cone shape.Wherein, " circular cone shape " namely round table-like.
Obviously, the inspection shaft 4 of centrosymmetric structure, for traditional square concrete inspection well 4, it is easier for installation, resistance to
Property is more preferable, stability is higher and joint technique is more advanced long.
Certainly, upper well body can be corresponding with rectangular column, pentagonal prism shape, hexa-prism etc., lower well body design
One-tenth cross section is rectangular, pentagon, hexagonal frustum.
It is noted that the inspection shaft 4 in the present embodiment one, its material selection fibre-reinforced plastics or other
Plastics so that inspection shaft 4 obtains more preferable strength character.
It is emphasized that well lid preferably employs interpolation type well lid, and insert the inside of described upper well body, so that inspection
Look into the sealing property of well 4 more preferably, install and open convenient.And, in cold district, heat-insulation layer is set preferably inside well lid,
Thus preventing from freezing between inspection shaft 4 well lid and upper well body, lead to well lid normally-open.
And, in order to improve the anti-floating ability of inspection shaft 4 further, the inspection shaft 4 of the present embodiment one also includes being arranged on
Pedestal below described lower well body, and the surface area of described pedestal is more than the area of described first area.
On the basis of the above, installing hole is arranged on lower well body, the wherein distribution of installing hole regards drainage pipeline distribution and needs
Depending on.And, inspection shaft 4 and drainage pipeline form drainage system after assembling.Obviously, can be protected by the setting of installing hole
Assembling being formed between card inspection shaft 4 and drainage pipeline, thus substantially reducing the difficulty of construction of drainage system, and ensureing to lead to
Cross inspection shaft 4 effectively drainage pipeline can be dredged and safeguard.On this basis, position of mounting hole can be arranged.
Additionally, inspection shaft 4 surface is provided with rubbing surface.Wherein, the concrete form of rubbing surface is unrestricted, as long as can increase
Strong frictional force between the borehole wall and concrete, thus ensure the stability of inspection shaft 4.For example, rubbing surface can be using in inspection
Look into well 4 outer surface and set up the form of helical form decorative pattern and obtain.And, rubbing surface both can be arranged in lower well body it is also possible to set
Put on upper well body.
In the present embodiment one, a diameter of 500mm～800mm of preferably cylindric upper well body；The lower well body of circular cone shape, its
A diameter of 500mm～800mm of upper surface, a diameter of 800mm～1200mm of lower surface；A diameter of 700mm of pedestal～
1000mm.And, the height of whole inspection shaft 4 is 1m～3m.And, the spacing of adjacent inspection shaft 4 is preferably 30m～50m.
Embodiment two
The prefabricated assembled drainage system of railway tunnel bottom of the present embodiment two, and embodiment one difference be its bag
Include the side longitudinal drainage ditch 6 being arranged on described packed layer draining blind pipe 1 both sides, refer to Fig. 6.Obviously, 7, side longitudinal drainage ditch
Between two arch springing longitudinal drainage blind pipes 3, thus when being provided with this side longitudinal drainage ditch 7, arch springing longitudinal drainage blind pipe 3 is not
Need directly to connect with packed layer draining blind pipe 1.The substitute is, arch springing longitudinal drainage blind pipe 3 passes through side longitudinal drainage ditch 7
It is connected with packed layer draining blind pipe 1.
In the present embodiment two, the setting of side longitudinal drainage ditch 7 obviously can further enhance the drainability of drainage system.
Additionally, preferably passing through proposition in embodiment one between arch springing longitudinal drainage blind pipe 3 and described side longitudinal drainage ditch 7
Three way cock connects.
Please with further reference to Fig. 6, the present embodiment two also includes packed layer center longitudinal drainage ditch 6, and in described packed layer
Heart longitudinal drainage ditch 6 is connected with described inspection shaft 4.
Embodiment three
The present embodiment three and embodiment one difference are, provide a kind of railway tunnel bottom prefabricated assembled draining system
System is it is adaptable to single-track railway tunnel.Obviously, in single-track railway tunnel, in order to not interfere the laying of normal railway, railway tunnel bottom
The inspection shaft 4 of the prefabricated assembled drainage system in portion can not be arranged between two arch springing longitudinal drainage blind pipes 3.Therefore, this enforcement
Inspection shaft 4 is arranged in the refuge chamber of tunnel both sides example three.
On this basis, packed layer draining blind pipe, inverted arch bottom discharge blind pipe 2 and two arch springing longitudinal drainage blind pipes 3 are equal
It is connected by dismountable mode with described inspection shaft 4.
In the present embodiment three, because other settings are all identical with principle in embodiment one and embodiment two, therefore herein
Do not repeated.
Embodiment of above is merely to illustrate this utility model, rather than to restriction of the present utility model.Although with reference to enforcement
Example has been described in detail to this utility model, it will be understood by those within the art that, to technology of the present utility model
Scheme carries out various combinations, modification or equivalent, without departure from the spirit and scope of technical solutions of the utility model, all should
Cover in the middle of right of the present utility model.
Claims (10)
1. a kind of prefabricated assembled drainage system of railway tunnel bottom is it is adaptable to double -coil output, blind including packed layer draining
Pipe, inverted arch bottom discharge blind pipe and two arch springing longitudinal drainage blind pipes；It is characterized in that, also include being arranged on two described arch springings
Inspection shaft between longitudinal drainage blind pipe；Described inspection shaft is arranged on the pipeline of described packed layer draining blind pipe, and described fills out
Fill layer draining blind pipe and connect described arch springing longitudinal drainage blind pipe and described inspection shaft；Described arch springing longitudinal drainage blind pipe is filled out with described
Fill between layer draining blind pipe, between described packed layer draining blind pipe and described inspection shaft, and described inspection shaft and described inverted arch
All connected by dismountable mode between bottom discharge blind pipe；Described arch springing longitudinal drainage blind pipe, packed layer draining blind pipe, face upward
Arch bottom discharge blind pipe and inspection shaft are prefabricated component.
2. the prefabricated assembled drainage system of railway tunnel bottom according to claim 1 is it is characterised in that described arch springing is indulged
To between draining blind pipe and described packed layer draining blind pipe, between described packed layer draining blind pipe and described inspection shaft, Yi Jisuo
State between inspection shaft and described inverted arch bottom discharge blind pipe all threaded or sealing ring jointing is connected using interpolation type.
3. the prefabricated assembled drainage system of railway tunnel bottom according to claim 1 is it is characterised in that described packed layer
Draining blind pipe includes the longitudinal blind pipe being connected with described inspection shaft, and laterally blind with what described longitudinal blind pipe or inspection shaft were connected
Pipe；Described horizontal blind pipe includes the first horizontal blind pipe being connected with described arch springing longitudinal drainage blind pipe, and offers inlet opening
The second horizontal blind pipe.
4. the prefabricated assembled drainage system of railway tunnel bottom according to claim 3 is it is characterised in that towards near institute
On the direction of the central axis stating horizontal blind pipe, the cross-sectional area of described inlet opening is gradually increased.
5. the prefabricated assembled drainage system of railway tunnel bottom according to claim 1 is it is characterised in that described inverted arch bottom
Draining blind pipe in portion's is connected by tee one-way valve with described inspection shaft.
6. the prefabricated assembled drainage system of railway tunnel bottom according to claim 1 is it is characterised in that described inspection shaft
Including well bore body, and the interpolation type well lid with described well bore body fits；Described well bore body is in hollow cylindrical；Described
It is provided with heat-insulation layer in well lid；The material of described inspection shaft is fiberglass reinforced plastics.
7. the prefabricated assembled drainage system of railway tunnel bottom according to claim 1 is it is characterised in that also include arranging
In the side longitudinal drainage ditch of described packed layer draining blind pipe both sides, and described arch springing longitudinal drainage blind pipe passes through described side and longitudinally arranges
Ditch is connected with described packed layer draining blind pipe.
8. the prefabricated assembled drainage system of railway tunnel bottom according to claim 7 is it is characterised in that described arch springing is indulged
It is connected between draining blind pipe and described side longitudinal drainage ditch by three way cock.
9. the prefabricated assembled drainage system of railway tunnel bottom according to claim 7 is it is characterised in that also include filling
Layer center longitudinal drainage ditch, and described packed layer center longitudinal drainage ditch is connected with described inspection shaft.
10. a kind of prefabricated assembled drainage system of railway tunnel bottom is it is adaptable to single-track railway tunnel, blind including packed layer draining
Pipe, inverted arch bottom discharge blind pipe and two arch springing longitudinal drainage blind pipes；It is characterized in that, also include being arranged on keeping away of tunnel both sides
Inspection shaft in car hole；Described packed layer draining blind pipe, inverted arch bottom discharge blind pipe and two arch springing longitudinal drainage blind pipes all with
Described inspection shaft is connected by dismountable mode, and described arch springing longitudinal drainage blind pipe, packed layer draining blind pipe, inverted arch bottom
Draining blind pipe and inspection shaft are prefabricated component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822454.1U CN205977268U (en) | 2016-07-29 | 2016-07-29 | Prefabricated assembled drainage system in railway tunnel bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150547A (en) * | 2016-07-29 | 2016-11-23 | 中国铁道科学研究院铁道建筑研究所 | A kind of prefabricated assembled drainage system of railway tunnel bottom |
| CN107829779A (en) * | 2017-12-06 | 2018-03-23 | 海宁善能制冷科技有限公司 | A kind of discharge structure for the draining of tunnel both sides |
| CN111520186A (en) * | 2020-04-23 | 2020-08-11 | 中国水利水电第五工程局有限公司 | Tunnel bottom plate thin-wall lining water burst treatment method |
-
2016
- 2016-07-29 CN CN201620822454.1U patent/CN205977268U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150547A (en) * | 2016-07-29 | 2016-11-23 | 中国铁道科学研究院铁道建筑研究所 | A kind of prefabricated assembled drainage system of railway tunnel bottom |
| CN106150547B (en) * | 2016-07-29 | 2018-05-18 | 中国铁道科学研究院铁道建筑研究所 | A kind of prefabricated assembled drainage system of railway tunnel bottom |
| CN107829779A (en) * | 2017-12-06 | 2018-03-23 | 海宁善能制冷科技有限公司 | A kind of discharge structure for the draining of tunnel both sides |
| CN111520186A (en) * | 2020-04-23 | 2020-08-11 | 中国水利水电第五工程局有限公司 | Tunnel bottom plate thin-wall lining water burst treatment method |
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