CN207245716U - A kind of assembled under-traverse tunnel of high reliability - Google Patents
A kind of assembled under-traverse tunnel of high reliability Download PDFInfo
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- CN207245716U CN207245716U CN201721272059.1U CN201721272059U CN207245716U CN 207245716 U CN207245716 U CN 207245716U CN 201721272059 U CN201721272059 U CN 201721272059U CN 207245716 U CN207245716 U CN 207245716U
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Abstract
It the utility model is related to tunnel structure technical field, more particularly to a kind of assembled under-traverse tunnel of high reliability, multiple prefabricated piecemeals including forming tunnel construction sections, the prefabricated piecemeal includes left side wall, middle wall, the bottom plate of right-side wall and monoblock type, the splicing of the top of the left side wall and middle wall has left roof, the splicing of the top of the middle wall and right-side wall has right top plate, the bottom plate is W-shaped structure, on bottom plate be equipped with respectively with left side wall, middle wall, the support connecting pin that right-side wall is adapted, the left roof and right top plate are combined into top plate, the top plate is correspondingly arranged splicing pier with left side wall and right-side wall respectively.The assembled under-traverse tunnel of the utility model can reduce the splicing seam between prefabricated piecemeal quantity and prefabricated piecemeal in same section, improve the intensity and reliability in whole tunnel.
Description
Technical field
It the utility model is related to tunnel structure technical field, and in particular to a kind of assembled under-traverse tunnel of high reliability.
Background technology
In the construction of city tunnel, two kinds of forms of construction work are primarily present：One is use at the construction field (site)
Set up falsework, the form of cast-in-place concrete carries out construction and builds, the second is prefabricated tunnel construction sections and by transport and lift into
Luggage is matched somebody with somebody.
At present, domestic underground structure field has begun to promote the use prefabrication and assembly construction engineering method.It is whole in pedestrian tunnel is crossed the street
The prefabricated tunnel block of body can there are weight and volume it is larger the problem of, bring greater inconvenience to transport and the assembled process of lifting.
Therefore, the method for having used some to carry out precast block to tunnel now, the cyclic structure of tunnel construction sections is mainly split as by it
Multiple independent piecemeals progress are prefabricated, these prefabricated piecemeals then are assembled into complete tunnel by way of lifting assembly and are broken
Face.But in order to control the quality of prefabricated piecemeal and volume, often by a tunnel construction sections prefabricated piecemeal quantity divide compared with
More, the bottom plate especially in a tunnel construction sections is often split as multiple piecemeals, is so easy for causing tunnel structure
Split too scattered, cause seam during splicing excessive, and then cause tunnel reliability after the completion of splicing poor.
Utility model content
The goal of the invention of the utility model is：For the prior art, there are the prefabricated piecemeal quantity division ground in tunnel construction sections
More and bottom plate is split as polylith, causes tunnel structure to split too scattered, seam when assembled is excessive, and then causes tunnel to exist
The problem of reliability is poor after the completion of splicing, there is provided a kind of assembled under-traverse tunnel of high reliability, it can reduce same
The splicing seam between prefabricated piecemeal quantity and prefabricated piecemeal in section, improves the intensity and reliability in whole tunnel.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of assembled under-traverse tunnel of high reliability, include composition tunnel construction sections multiple prefabricated piecemeals, described prefabricated point
Block includes the bottom plate of left side wall, middle wall, right-side wall and monoblock type, and the top splicing of the left side wall and middle wall has left roof, institute
The top splicing for stating middle wall and right-side wall has right top plate, and the bottom plate be W-shaped structure, on bottom plate equipped with respectively with left side wall,
The support connecting pin that middle wall, right-side wall are adapted, the left roof and right top plate are combined into top plate, the top plate respectively with left side
Wall and right-side wall are correspondingly arranged splicing pier.
Wherein, bottom plate is the prefabricated piecemeal of tunnel bottommost in the cross section, and left side wall and right-side wall are the left sides in tunnel
Tunnel is divided into two warehouses by the side wall of right both sides, middle wall, by that can be fully formed after splicing left and right top plate and bottom plate
Tunnel.Wherein, left and right wall can be arranged to " l " shape, and left and right top plate can be arranged to " L " shape, and middle wall can be arranged to " T "
Shape, bottom plate can be arranged to " W " shape, after so setting, as long as first that bottom plate assembly is good, it becomes possible in follow-up assembled process
The middle interim stabilization for ensureing component, does not cause component to topple over to both sides, can exempt interim bearing diagonal during wallboard assembly
Set up, shaped easy to under-traverse tunnel quick-assembling.Easy to the interim stabilization of component during assembly, component is not caused to be rolled to two
, setting up for interim bearing diagonal during wallboard assembly can be exempted, shaped easy to under-traverse tunnel quick-assembling.In some tunnels
In structure, the wall of bottom plate and middle part can be divided into multiple and different piecemeals and carry out prefabricated and splicing, can so be made pre-
The quantity of piecemeal processed is excessive, cause tunnel structure split it is too scattered and splicing when seam it is excessive, influence the integral strength in tunnel.
And prefabricated tunnel is divided into 6 independent prefabricated piecemeals and bottom plate in whole tunnel construction sections is as an entirety
Carry out it is prefabricated after, it is ensured that or else influence to efficiently reduce the pre- of tunnel in the case of transport and assembled difficulty and efficiency
Piecemeal quantity and seam quantity processed, ensure that the integral strength and its security in the tunnel after the completion of assembly.
As the preferred solution of the utility model, the centre is T-shaped structure, and the corbel of roof supporting is formed on its top,
The left roof and right top plate stitching position are located on corbel.Corbel also known as " bracket ", its be in middle wall top portion to left roof and
The supporting structure that right top plate extends, sets corbel and left roof in middle wall top portion and right top plate is arranged to be overlapped on corbel it
Afterwards, effective twelve Earthly Branches support can be formed to left roof and right top plate, avoids it from the excessive situation of local stress occur, eliminates at the same time
Falsework is set up during top plate assembly, is shaped easy to domain under-traverse tunnel quick-assembling.
As the preferred solution of the utility model, the left roof is horizontal splicing construction, right top plate and the right side with left side wall
Side wall is also horizontal splicing construction, and the left side wall, middle wall and right-side wall and column are horizontal splicing construction.Level splicing knot
Structure refers to the connecting method that the splicing seams between two prefabricated piecemeals are arranged to horizontal seam, and horizontal seam can
Ensure that two prefabricated piecemeals can be perfectly aligned in stitching portion up and down, be not in the risk of offset or slip.By left roof with
It is arranged between left side wall, right top plate and right-side wall as left side wall after horizontal splicing construction, can be easy to left roof, right-side wall
Horizontal lifting type load-bearing is carried out to right top plate, can avoid left roof and the feelings such as deforming occurs after permanent use in right top plate
Condition.
As the preferred solution of the utility model, shearing bond is equipped between the seam of all horizontal splicing constructions
Structure, the shear connector structure include raised shear connector and the groove being adapted to shear connector, and the shear connector and groove are set respectively
Put on the wall of seam both sides.Wherein, shear connector and groove should be arranged on different prefabricated piecemeals, in the horizontal spelling of composition
After shear connector structure is set on two different prefabricated piecemeals of binding structure, suffered transverse shear stresses on different prefabricated piecemeals
The prefabricated piecemeal shared that can be spliced by multiple phases, it is achieved thereby that avoiding the excessive situation of single prefabricated piecemeal stress
Occur, enhance the integral strength of tunnel structure.
As the preferred solution of the utility model, connection top plate and side wall, bottom plate and side wall, bottom plate and middle wall are additionally provided with
Deformed bar, is correspondingly provided with the prestress hole through wall on top plate, bottom plate and side wall, and the deformed bar passes through respectively
Wear connection left roof and left side wall, right top plate and right-side wall, bottom plate and left side wall, bottom plate and middle wall, bottom plate and right-side wall.In advance should
Power reinforcing bar can offset external stress suffered after prefabricated piecemeal splicing is completed.Therefore, in the splicing seams of horizontal splicing construction
After place sets deformed bar, the intensity for the different prefabricated piecemeals to form horizontal splicing construction can be strengthened, and then improve
Integral strength on left tunnel side wall, middle wall and right-side wall cross section.
As the preferred solution of the utility model, the deformed bar for connecting top plate and side wall is additionally provided with, in top plate and side
The prestress hole through wall is correspondingly provided with wall；The seam crossing of all prefabricated piecemeals of difference is equipped with longitudinal direction and runs through prefabricated piecemeal
Deformed bar.Longitudinal direction sets longitudinal direction perforative pre- through referring to be extended on the length direction in tunnel, in seam crossing
After stress reinforcing bar, the tunnel of different segmentations external stress suffered after splicing can be offset, strengthens the overall structure in tunnel.
As the preferred solution of the utility model, it is equipped with left and right sides of the seam crossing of the horizontal splicing construction pre-buried
Steel plate, the pre-embedded steel slab of the left and right sides, which is equipped with, tenses connector.After pre-embedded steel slab and bolt fastening are set, Neng Goujin
Reliability at one step enhancing horizontal joint, avoids it from phenomena such as displacement or slip occur.
As the preferred solution of the utility model, on the circumferential seam of the prefabricated piecemeal and the seam of horizontal splicing construction
Equipped with expansion sealing strip, waterproof coating is equipped with outside the circumferential seam and horizontal joint.Circumferential direction seam refers to tunnel in the longitudinal direction
Seam between difference segmentation.Expansion sealing strip can expand after water is met, and then dock gap and form sealing, and waterproof coating can
Outside moisture gos deep into tunnel structure from seam crossing in a manner of, can be avoided the occurrence of after expansion sealing strip and waterproof coating are set to
The phenomenon of infiltration, damages tunnel inside seam.
As the preferred solution of the utility model, the waterproof coating includes polyurethane water-proof coating, modified-high polymer drips
Blue or green waterproof layer and water-proof concrete protective layer.Three kinds of waterproof layers are respectively provided with outstanding waterproof performance, can effectively avoid outer
Portion is water stain to think infiltration inside tunnel structure through seam, protects the structure safety in tunnel.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, by prefabricated tunnel be divided into 6 independent prefabricated piecemeals and using the bottom plate in whole cross section as
After one entirety progress is prefabricated, it is ensured that or else influence to efficiently reduce in the case of transport and assembled difficulty and efficiency
Prefabricated the piecemeal quantity and seam quantity in tunnel, ensure that the integral strength and its security in the tunnel after the completion of assembly；
2nd, can be by this cross section after all stitching portions in tunnel cross section being disposed as horizontal splicing construction
Splicing construction between all different prefabricated piecemeals carry out unification so that improve the tunnel in same cross section intensity and
Globality between different prefabricated piecemeals.
Brief description of the drawings
Fig. 1 is the assembled under-traverse tunnel structure diagram of the utility model high reliability.
Fig. 2 is the structure diagram at horizontal joint in Fig. 1.
Fig. 3 is the schematic diagram of the shear connector structure in Fig. 2.
Fig. 4 is the cross section reinforcing bar and waterproof construction schematic diagram of the utility model.
Marked in figure：1- bottom plates, 101- columns, wall on the left of 2-, wall in 3-, 301- corbels, 4- right-side walls, 5- left roofs,
The right top plates of 6-.7- shear connectors, 8- grooves, 9- deformed bars, 10- pre-embedded steel slabs, 11- tense connector, 12- expansion water-stops
Bar, 13- waterproof coatings.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
Embodiment 1
As shown in Figures 1 to 4, the assembled under-traverse tunnel of the present embodiment, including several mutually independent prefabricated piecemeals,
The single prefabricated piecemeal includes bottom plate 1, left side wall 2, middle wall 3 and right-side wall 4, and the left side wall 2, middle wall 3 and right-side wall 4 are equal
On bottom plate 1, the top splicing of the left side wall 2 and middle wall 3 has the top of left roof 5, the middle wall 3 and right-side wall 4 for splicing
Splicing has right top plate 6.Wherein, bottom plate 1 is the prefabricated piecemeal of tunnel bottommost in the cross section, and left side wall 2 and right-side wall 4 are
Tunnel is divided into two warehouses by the side wall of the left and right sides in tunnel, middle wall 2, after splicing left and right top plate and bottom plate 1
Fully form tunnel.Wherein, left and right wall can be arranged to " l " shape, and left and right top plate can be arranged to " L " shape, and middle wall 2 can
"T"-shaped to set, bottom plate can be arranged to " W " shape, after so setting, as long as first that bottom plate 1 is assembled good, it becomes possible to rear
Ensure the interim stabilization of component during continuous assembly, do not cause component to topple over to both sides, during can exempting wallboard assembly
Interim bearing diagonal is set up, and is shaped easy to under-traverse tunnel quick-assembling., can be by bottom plate 1 and middle part in some tunnel structures
Wall is divided into multiple and different piecemeals and carries out prefabricated and splicing, can so make the quantity of prefabricated piecemeal excessive, cause tunnel
Road structure split it is too scattered and splicing when seam it is excessive, influence the integral strength in tunnel.And prefabricated tunnel is divided into described
6 independent prefabricated piecemeals and using the bottom plate 1 in whole cross section as entirety carry out it is prefabricated after, it is ensured that
Or else prefabricated the piecemeal quantity and seam quantity in tunnel are efficiently reduced in the case of the difficulty and efficiency that influence transport and assembly,
Ensure that the integral strength and its security in the tunnel after the completion of assembly.
It is horizontal splicing construction, right top plate 6 between the left roof 5 and left side wall 2 on the basis of above-mentioned embodiment
It is horizontal splicing construction between right-side wall 4.Horizontal splicing construction refers to the splicing seams between two prefabricated piecemeals being arranged to
The connecting method of horizontal seam, horizontal seam can ensure that two prefabricated piecemeals can be completely right in stitching portion up and down
Together, be not in the risk of offset or slip.It will be arranged between left roof 5 and left side wall 2, right top plate 6 and right-side wall 4 as water
After flat splicing construction, horizontal lifting type load-bearing, energy can carry out right top plate 6 to left roof 5, right-side wall 4 easy to left side wall 2
Situations such as enough avoiding left roof 5 and right top plate 6 from being deformed after permanent use.
As the preferred solution of the utility model, the bottom plate 1 is in the stitching portion with left side wall 2, middle wall 3 and right-side wall 4
Equipped with upward column 101, the left side wall 2, middle wall 3 and right-side wall 4 are spliced on column 101, the left side wall 2, in
It is horizontal splicing construction between wall 3 and right-side wall 4 and column 101.After so setting, it becomes possible to will own in this cross section
Splicing construction between different prefabricated piecemeals is unified for horizontal splicing construction, so as to improve the tunnel in same cross section
Globality between intensity and different prefabricated piecemeals.
Embodiment 2
As shown in Figures 1 to 4, the assembled under-traverse tunnel of the present embodiment, including several mutually independent prefabricated piecemeals,
The single prefabricated piecemeal includes bottom plate 1, left side wall 2, middle wall 3 and right-side wall 4, and the left side wall 2, middle wall 3 and right-side wall 4 are equal
On bottom plate 1, the top splicing of the left side wall 2 and middle wall 3 has the top of left roof 5, the middle wall 3 and right-side wall 4 for splicing
Splicing has right top plate 6.Wherein, bottom plate 1 is the prefabricated piecemeal of tunnel bottommost in the cross section, and left side wall 2 and right-side wall 4 are
Tunnel is divided into two warehouses by the side wall of the left and right sides in tunnel, middle wall 2, after splicing left and right top plate and bottom plate 1
Fully form tunnel.Wherein, left and right wall can be arranged to " l " shape, and left and right top plate can be arranged to " L " shape, and middle wall 2 can
"T"-shaped to set, bottom plate can be arranged to " W " shape, after so setting, as long as first that bottom plate 1 is assembled good, it becomes possible to rear
Ensure the interim stabilization of component during continuous assembly, do not cause component to topple over to both sides, during can exempting wallboard assembly
Interim bearing diagonal is set up, and is shaped easy to under-traverse tunnel quick-assembling., can be by bottom plate 1 and middle part in some tunnel structures
Wall is divided into multiple and different piecemeals and carries out prefabricated and splicing, can so make the quantity of prefabricated piecemeal excessive, cause tunnel
Road structure split it is too scattered and splicing when seam it is excessive, influence the integral strength in tunnel.And prefabricated tunnel is divided into described
6 independent prefabricated piecemeals and using the bottom plate 1 in whole cross section as entirety carry out it is prefabricated after, it is ensured that
Or else prefabricated the piecemeal quantity and seam quantity in tunnel are efficiently reduced in the case of the difficulty and efficiency that influence transport and assembly,
Ensure that the integral strength and its security in the tunnel after the completion of assembly.
On the basis of the above embodiment, it is between the left roof 5 and left side wall 2, right top plate 6 and right-side wall 4
Horizontal splicing construction.Horizontal splicing construction refers to the splicing side that the splicing seams between two prefabricated piecemeals are arranged to horizontal joint
Formula, will be arranged between left roof 5 and left side wall 2, right top plate 6 and right-side wall 4 as that after horizontal splicing construction, can be easy to left side
Wall 2 carries out right top plate 6 horizontal lifting type load-bearing to left roof 5, right-side wall 4, and left roof 5 and right top plate 6 can be avoided to exist
Situations such as being deformed after permanent use.
On the basis of the above embodiment, the bottom plate 1 is set in the stitching portion with left side wall 2, middle wall 3 and right-side wall 4
There is upward column 101, the left side wall 2, middle wall 3 and right-side wall 4 are spliced on column 101, the left side wall 2, middle wall 3
It is horizontal splicing construction between right-side wall 4 and column 101.So set after, it becomes possible to by this cross section it is all not
Splicing construction between same prefabricated piecemeal is unified for horizontal splicing construction, so as to improve the strong of the tunnel in same cross section
Globality between degree and different prefabricated piecemeals.
On the basis of the above embodiment, the middle top of wall 3 is equipped with corbel 301, the left roof 5 and middle wall 3
Stitching portion is corbel bridging arrangement, and the stitching portion of the right top plate 6 and middle wall 3 is corbel bridging arrangement.Corbel 301 also known as " ox
Leg ", it is the supporting structure extended on the middle top of wall 3 to left roof 5 and right top plate 6, and corbel 301 is set at the middle top of wall 3
And left roof 5 and right top plate 6 are arranged to after being overlapped on corbel 301, left roof 5 and right top plate 6 can be formed effectively
Support, avoids it from the excessive situation of local stress occur, while eliminates setting up for falsework during top plate assembly, is easy to
Domain under-traverse tunnel quick-assembling shapes.
On the basis of the above embodiment, it is all provided between the seam of the horizontal splicing construction of all prefabricated piecemeals of difference
There is shear connector structure, the shear connector structure includes raised shear connector 7 and the groove 8 being adapted to shear connector 7.Wherein, shear
Key 7 and groove 8 should be arranged on different prefabricated piecemeals.On two different prefabricated piecemeals of horizontal splicing construction are formed
After shear connector structure is set, suffered transverse shear stresses can be spliced by multiple phases on different prefabricated piecemeals prefabricated piecemeal
Shared, it is achieved thereby that avoiding the excessive situation of single prefabricated piecemeal stress from occurring, enhances the overall strong of tunnel structure
Degree.
On the basis of the above embodiment, connection top plate and side wall, bottom plate 1 and side wall, bottom plate 1 and middle wall 3 are additionally provided with
Deformed bar 9, the prestress hole through wall, the deformed bar 9 are correspondingly provided with top plate, bottom plate 1 and side wall
Extend through connection left roof 5 and left side wall 2, right top plate 6 and right-side wall 4, bottom plate 1 and left side wall 2, bottom plate 1 and middle wall 3, bottom
Plate 1 and right-side wall 4.Deformed bar 9 can offset external stress suffered after prefabricated piecemeal splicing is completed.Therefore, in water
After deformed bar 9 is set at the splicing seams of flat splicing construction, different prefabricated points to form horizontal splicing construction can be strengthened
The intensity of block, and then improve the integral strength on 4 cross section of left tunnel side wall 2, middle wall 3 and right-side wall.
On the basis of the above embodiment, pre-buried steel is equipped with left and right sides of the seam crossing of the horizontal splicing construction
Plate 10, the pre-embedded steel slab 10 of the left and right sides, which is equipped with, tenses connector 11.Pre-embedded steel slab 10 is being set and is tensing connector
Phenomena such as after 11, the reliability at horizontal joint can be further enhanced, avoid it from displacement occur or slide.
On the basis of the above embodiment, the seam crossing of all prefabricated piecemeals of difference is equipped with longitudinal direction and runs through prefabricated piecemeal
Deformed bar 9.Longitudinal direction sets longitudinal direction perforative pre- through referring to be extended on the length direction in tunnel, in seam crossing
After stress reinforcing bar 9, the tunnel of different segmentations external stress suffered after splicing can be offset, strengthens the overall structure in tunnel.
On the basis of the above embodiment, it is all provided with the circumferential seam of the prefabricated piecemeal and the seam of horizontal splicing construction
There is expansion sealing strip 12, waterproof coating 13 is equipped with outside the circumferential seam and horizontal joint.Circumferential direction seam refers to tunnel in length direction
Seam between upper different segmentations.Expansion sealing strip 12 can expand after water is met, and then dock gap and form sealing, and waterproof applies
Layer 13 can go deep into tunnel structure by outside moisture in a manner of from seam crossing, after expansion sealing strip 12 and waterproof coating 13 is set
The phenomenon to seep water to seam inside is avoided the occurrence of, is damaged to tunnel.
On the basis of the above embodiment, the waterproof coating 13 includes polyurethane water-proof coating, modified-high polymer drips
Blue or green waterproof layer and water-proof concrete protective layer.Three kinds of waterproof layers are respectively provided with outstanding waterproof performance, can effectively avoid outer
Portion is water stain to think infiltration inside tunnel structure through seam, protects the structure safety in tunnel.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. the assembled under-traverse tunnel of a kind of high reliability, it is characterised in that multiple prefabricated piecemeals including forming tunnel construction sections, institute
Stating prefabricated piecemeal includes the bottom plate of left side wall, middle wall, right-side wall and monoblock type, and the top splicing of the left side wall and middle wall has a left side
Top plate, the middle wall and right-side wall top splicing have right top plate, the bottom plate be W-shaped structure, on bottom plate equipped with respectively with
The support connecting pin that left side wall, middle wall, right-side wall are adapted, the left roof and right top plate are combined into top plate, the top plate point
Splicing pier is not correspondingly arranged with left side wall and right-side wall.
2. assembled under-traverse tunnel according to claim 1, it is characterised in that the middle wall is T-shaped structure, its top shape
Into the corbel of roof supporting, the left roof and right top plate stitching position are located on corbel.
3. assembled under-traverse tunnel according to claim 1, it is characterised in that the left roof is spelled with left side wall to be horizontal
Binding structure, right top plate and right-side wall are also horizontal splicing construction, and the left side wall, middle wall and right-side wall and column are horizontal spelling
Binding structure.
4. assembled under-traverse tunnel according to claim 3, it is characterised in that all horizontal splicing constructions seam it
Between be equipped with shear connector structure, the shear connector structure includes raised shear connector and the groove being adapted to shear connector, described to cut
Power key and groove are separately positioned on the wall of seam both sides.
5. the assembled under-traverse tunnel according to one of claim 1-4, it is characterised in that be additionally provided with connection top plate and side wall
Deformed bar, the prestress hole through wall is correspondingly provided with top plate and side wall.
6. assembled under-traverse tunnel according to claim 5, it is characterised in that on the top plate and side wall of seam both sides also
It is respectively equipped with pre-embedded steel slab.
7. assembled under-traverse tunnel according to claim 1, it is characterised in that the seam crossing of all prefabricated piecemeals is equipped with
The deformed bar of prefabricated piecemeal is run through in longitudinal direction.
8. the assembled under-traverse tunnel of high reliability according to claim 1, it is characterised in that all prefabricated piecemeals connect
Expansion sealing strip is additionally provided with seam, waterproof coating is equipped with outside seam.
9. the assembled under-traverse tunnel of high reliability according to claim 8, it is characterised in that the waterproof coating includes
Polyurethane water-proof coating, high-polymer modified pitch waterproof layer and water-proof concrete protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721272059.1U CN207245716U (en) | 2017-09-29 | 2017-09-29 | A kind of assembled under-traverse tunnel of high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721272059.1U CN207245716U (en) | 2017-09-29 | 2017-09-29 | A kind of assembled under-traverse tunnel of high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245716U true CN207245716U (en) | 2018-04-17 |
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ID=61890536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721272059.1U Active CN207245716U (en) | 2017-09-29 | 2017-09-29 | A kind of assembled under-traverse tunnel of high reliability |
Country Status (1)
| Country | Link |
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| CN (1) | CN207245716U (en) |
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2017
- 2017-09-29 CN CN201721272059.1U patent/CN207245716U/en active Active
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