CN207554065U - Prefabricated assembled tunnel inverted arch, tunnel structure - Google Patents
Prefabricated assembled tunnel inverted arch, tunnel structure Download PDFInfo
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- CN207554065U CN207554065U CN201720818581.9U CN201720818581U CN207554065U CN 207554065 U CN207554065 U CN 207554065U CN 201720818581 U CN201720818581 U CN 201720818581U CN 207554065 U CN207554065 U CN 207554065U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 16
- 238000005336 cracking Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000002955 isolation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model is related to Tunnel Engineering technical fields, disclose a kind of prefabricated assembled tunnel inverted arch, including multiple rows of along the tactic assembled rigid unit of tunnel extending direction, often row's assembled rigid unit includes the arc-shaped assembled block in polylith cross section, the seam often arranged between the adjacent assembled block in seam and adjacent assembled rigid unit between the adjacent assembled block in assembled rigid unit offsets one from another, and the connection reinforcing bar for being connect with tunnel arch wall is reserved at the top of the both sides prefabricated section lateral surface of every row's assembled rigid unit.A kind of prefabricated assembled tunnel inverted arch provided by the utility model and groove structure building course have many advantages, such as to economize on resources the energy, reduce construction pollution, promote labor productivity, reducing labor intensity and raising quality safety is horizontal.It also is able to the hidden danger for preventing tunnel discontinuity, being easily deformed and easily cracking.
Description
Technical field
The utility model is related to Tunnel Engineering technical fields, are related to a kind of prefabricated assembled tunnel inverted arch, further relate to one kind
Include the tunnel structure of above-mentioned prefabricated assembled tunnel inverted arch.
Background technology
At present, tunnel structure is divided into tunnel inverted arch, tunnel arch wall, filled layer, drainage system etc., and wherein tunnel cavern uses
Then hand excavation or mechanical excavation apply preliminary bracing, cast-in-place tunnel inverted arch is using live assembling reinforcement, then casting concrete
Mode.This kind of construction method there are mechanization degree it is low, can not effectively solve the common layering of Tunnel Base, cracking, pucking,
It the diseases such as sink, rise soil, thus causing quality that can not ensure, in addition, the construction method increases work also there are time-consuming and laborious
The shortcomings of people's labor intensity, low construction efficiency.
Utility model content
(1) technical problems to be solved
One purpose of the utility model is to provide a kind of prefabricated assembled tunnel inverted arch, it is intended at least solve the prior art
Or one of technical problem present in the relevant technologies；
Another purpose of the utility model is to provide a kind of tunnel structure for including above-mentioned prefabricated assembled tunnel inverted arch,
It is intended at least solve one of technical problem present in the prior art or the relevant technologies.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of prefabricated assembled tunnel inverted arch, wherein, including
It is multiple rows of along the tactic assembled rigid unit of tunnel extending direction, often arrange assembled rigid unit and include the arc-shaped assembly in polylith cross section
Block often arranges the seam between the adjacent assembled block in the seam and adjacent assembled rigid unit between the adjacent assembled block in assembled rigid unit
It offsets one from another, the reinforcing bar for being connect with tunnel arch wall is embedded at the top of the both sides prefabricated section of every row's assembled rigid unit.
Wherein, the seam in the odd row assembled rigid unit in multiple rows of assembled rigid unit corresponds to each other, even rows
Seam in assembled rigid unit corresponds to each other.
Wherein, the hoisting ring for lifting is both provided on every block of prefabricated section.
Wherein, the opposite joint face for often arranging the two neighboring prefabricated section in assembled rigid unit is equipped with the positioning to cooperate
Protrusion and positioning groove, the two neighboring prefabricated section that difference is arranged in assembled rigid unit are connected using tongue and groove or ball-and-socket hinge style, and often row spells
It fills the two neighboring prefabricated section in unit and the two neighboring prefabricated section in different row's assembled rigid units is removable by connector
Unload formula connection.
Wherein, contiguous prefabricated piece in assembled rigid unit between two neighboring prefabricated section and in different row's assembled rigid units is often arranged
Between be both provided with sealing rod.
Wherein it is located at the vertical injected hole for being reserved on intermediate prefabricated section and penetrating through the prefabricated section in every row's assembled rigid unit.
The invention also discloses a kind of tunnel structures, and ecto-entad is disposed with initial stage branch on inner surface of tunnel
Shield, secondary lining, drainage system and filled layer, the secondary lining include tunnel arch wall and as described above prefabricated assembled
Tunnel inverted arch.
Wherein, the drainage system uses prefabricated assembled drainage system, including the filling in the filled layer
It is blind that the straight blind pipe of layer draining, filled layer draining tilt blind pipe, inspection shaft and inverted arch bottom discharge in the preliminary bracing
Pipe；The inspection shaft is arranged on the pipeline of the straight blind pipe of filled layer draining；The drainage system further include be arranged on it is described
The longitudinal drainage ditch of filled layer both sides, the filled layer draining tilt blind pipe connection inspection shaft and the longitudinal drainage ditch；It is described
It is described to fill out between the inverted arch bottom discharge blind pipe and the inspection shaft between the straight blind pipe of filled layer draining and the inspection shaft
Fill layer draining tilt between blind pipe and the inspection shaft and the filled layer draining tilt blind pipe and the longitudinal drainage ditch it
Between connected by dismountable mode；The longitudinal drainage ditch, the straight blind pipe of the filled layer draining, the filled layer draining are inclined
Oblique blind pipe, the inspection shaft, the inverted arch bottom discharge blind pipe are prefabricated component.
Wherein, the quantity of the longitudinal drainage ditch per side is two, and is provided with only between the two described longitudinal drainage ditches
Water bar.
Wherein, the junction of the longitudinal drainage ditch and filled layer draining inclination blind pipe is located at the longitudinal drainage ditch
Bottom above.
(3) advantageous effect
Prefabricated assembled tunnel inverted arch provided by the utility model, tunnel structure and its construction method are by by different rows
Assembled rigid unit is connected along the tunnel extending direction fissure of displacement, so that tunnel inverted arch is more uniformly stressed, and is not easy to deform, so as to anti-
Only tunnel cracking.Further, since tunnel inverted arch is spliced by the arc-shaped prefabricated section in multiple sections, it is not only convenient in this way in work
Factory carries out prefabricated section the prefabricated processing of batch, and is readily transported and installs, and is carried out after can each prefabricated section being transported to construction site
In-site installation, and quick, simplicity is installed, so as to realize the rapid construction of tunnel inverted arch, labor intensity is reduced, is improved
Construction efficiency simultaneously ensures construction quality, the hidden danger of quality brought to avoid the cast-in-place operation of tunnel inverted arch.In addition, in building course
Have many advantages, such as to economize on resources the energy, reduce construction pollution and to improve quality safety horizontal.It also is able to prevent tunnel unbalance stress
Hidden danger that is even, being easily deformed and easily crack.
Description of the drawings
Fig. 1 shows a kind of partial schematic diagram of a preferred embodiment of tunnel structure according to the present utility model；
Fig. 2 is the structure diagram of the tunnel inverted arch in Fig. 1；
Fig. 3 is the A portions enlarged drawing of the tunnel inverted arch in Fig. 2；
Fig. 4 is a kind of schematic diagram of tunnel structure according to the present utility model；
Fig. 5 is the structure diagram of the tunnel structure in Fig. 4；
Fig. 6 is longitudinal cross-section diagram of the drainage system in Fig. 4.
In figure, 1：Preliminary bracing；2：Secondary lining；21：Inverted arch；22：Arch wall；3：Prefabricated section；4：Hoisting ring；5：Reinforcing bar；
6：Tongue-and-groove；7：Drainage system；71：Lateral blind pipe；72：Filled layer draining tilts blind pipe；73：Longitudinal blind pipe；74：Inspection shaft；75：
Filled layer center longitudinal drainage pipe；76：Inverted arch bottom discharge blind pipe；77：Longitudinal drainage ditch；8：Positioning groove；9：Positioning protrusion；
10：Connecting portion；11：Filled layer；12：Track plates basis.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the present utility model work is further retouched in detail
It states.Following embodiment is merely to illustrate the utility model, but cannot be used for limiting the scope of the utility model.
Fig. 1 shows an a kind of preferred embodiment of tunnel structure according to the present utility model.As shown in the figure, the tunnel
Including preliminary bracing 1 and secondary lining 2, wherein secondary lining 2 includes tunnel arch wall 22 and tunnel inverted arch 21, wherein, tunnel is faced upward
Arch 21 uses prefabricated assembled tunnel inverted arch, including multiple rows of along the tactic assembled rigid unit of tunnel extending direction, often row's spelling
Fill unit and include the arc-shaped assembled block 3 in polylith cross section, often arrange seam between the adjacent assembled block 3 in assembled rigid unit with
The seam between adjacent assembled block 3 in adjacent assembled rigid unit offsets one from another, the prefabricated section 3 that tunnel inverted arch 21 passes through its both sides
The reinforcing bar 5 that top is reserved is connect with tunnel arch wall 22.Secondary lining 2 provided by the utility model passes through different rows are assembled single
Member is connected along the tunnel extending direction fissure of displacement, so that secondary liner structure is more uniformly stressed, and is not easy to deform, so as to prevent
Tunnel cracking.Further, since tunnel inverted arch 21 is spliced by the arc-shaped prefabricated section 3 in multiple sections, it is not only convenient in this way
Factory carries out prefabricated section 3 the prefabricated processing of batch, and is readily transported and installs, after can each prefabricated section 3 being transported to construction site
In-site installation is carried out, and quick, simplicity is installed, so as to realize the rapid construction of Tunnel Second Lining 2, reduces worker's labour
Intensity improves construction efficiency and ensures construction quality, the hidden danger of quality brought to avoid cast-in-place operation during tunnel tunnel inverted arch.
For the ease of the processing of prefabricated section 3, the number of molds of production prefabricated section 3 is reduced, in preferably multiple rows of assembled rigid unit
Seam in odd row assembled rigid unit is corresponding, and the seam in even rows assembled rigid unit is corresponding.Specifically, in the implementation
In example, odd row assembled rigid unit includes 4 blocks of prefabricated sections 3, and even rows assembled rigid unit includes 3 blocks of prefabricated sections 3, odd row
In 4 blocks of prefabricated sections 3 include left prefabricated section, left prefabricated section, it is right in prefabricated section, right prefabricated section.In even rows assembled rigid unit
3 blocks of prefabricated sections 3 include left prefabricated section, middle prefabricated section and right prefabricated section.In some other embodiment of the utility model, often
The quantity of prefabricated section should specifically be designed according to the concrete condition in tunnel in row's assembled rigid unit.
Further, the hoisting ring 4 for lifting is both provided on every block of prefabricated section 3, in order in installation process
Prefabricated section 3 is lifted.
Specifically, the opposite joint face for often arranging two neighboring prefabricated section 3 in assembled rigid unit is equipped with determining for mutual cooperation
Position groove 8 and positioning protrusion 9, the seam crossing for often arranging two neighboring prefabricated section 3 in assembled rigid unit pass through positioning groove 8 and convex
9 are played to be positioned, sealed and installed, and sealing effect is good.Contiguous prefabricated pieces 3 in difference row's assembled rigid units using tongue and grooves or
Ball-and-socket hinge style connects, in order to further position, seal and install.
In addition, be additionally provided with connecting portion 10 on prefabricated section 3, often arrange two neighboring prefabricated section 3 in assembled rigid unit and
(such as the prefabricated section in first row assembled rigid unit and second row are assembled single for two neighboring prefabricated section 3 in difference row's assembled rigid units
Prefabricated section in member) pass through connector detachable connection.In order to Fast Installation.Specifically, in this embodiment, it connects
Part is bent bolt, the deep gouge 10 being recessed inwardly is provided on the top of each prefabricated section 3, the deep gouge 10 is close to the one of joint face
Side channel wall upper edge be transversely provided with for bent bolt by through-hole, the both ends of bent bolt are each passed through corresponding through-hole, and with setting
The locking nut put in corresponding deep gouge matches, and two neighboring prefabricated section 3 is connected fixation, realize each prefabricated section 3 it
Between connection fix.It should be noted that in some other embodiment of the utility model, connecting portion may be to be arranged on
The boss that 3 top of prefabricated section raises up.Boss upper edge be transversely provided with for connector by through-hole.In addition, in certain realities
It applies in example, connector may be straight bolt or pin etc..
In addition, in order to ensure that the good rear seam crossing of the splicing of prefabricated section 3 has good sealing and water resistance, preferably in every row
It is both provided with only between contiguous prefabricated piece 3 in assembled rigid unit between two neighboring prefabricated section 3 and in different row's assembled rigid units
Water bar (not shown).
Further, the vertical slip casting that perforation prefabricated section is reserved on intermediate prefabricated section 3 is located in every row's assembled rigid unit
Hole (not shown), after inverted arch 21 assembly in tunnel fixes, by the vertical injected hole to tunnel inverted arch 21 and preliminary bracing 1 it
Between gap and adjacent prefabricated section 3 between gap injection cement mortar filling, it is close between prefabricated section 3 to further enhance
Envelope and water resistance.
The invention also discloses a kind of tunnel structure, ecto-entad is disposed with preliminary bracing on inner surface of tunnel
1st, secondary lining 2, drainage system 7 and filled layer 11, wherein, secondary lining 2 includes tunnel arch wall and as described above prefabricated
Assembled tunnel inverted arch.
It is highly preferred that drainage system 7 uses prefabricated assembled drainage system, including the straight blind pipe of filled layer draining, filling
Layer draining tilts blind pipe 72 and inverted arch bottom discharge blind pipe 76, and the wherein straight blind pipe of filled layer draining, filled layer draining tilts blind pipe
72nd, inspection shaft 74 is located in filled layer 11, and inverted arch bottom discharge blind pipe 76 is arranged in preliminary bracing 1.Inspection shaft 74 is arranged on
On the pipeline of the straight blind pipe of filled layer draining.Drainage system further includes the longitudinal drainage ditch 77 for being arranged on filled layer both sides, fills out
It fills layer draining and tilts the connection inspection shaft 74 of blind pipe 72 and longitudinal drainage ditch 77.Between the straight blind pipe of filled layer draining and inspection shaft 74,
Between inverted arch bottom discharge blind pipe 76 and inspection shaft 74, filled layer draining is tilted between blind pipe 72 and inspection shaft 74 and is filled
Layer draining tilts blind pipe 72 and described is connected between gutter 77 by dismountable mode.Also, filled layer draining is straight
It is prefabricated that blind pipe, filled layer draining, which tilt blind pipe 72, inverted arch bottom discharge blind pipe 76, inspection shaft 74 and longitudinal drainage ditch 77,
Part.
The partial structurtes of drainage system 7 are illustrated only in Fig. 5,74 quantity of inspection shaft that actually drainage system 7 includes can
Can be multiple, and the quantity of the draining blind pipe around each inspection shaft 74 arrangement is also more.But due to each 74 cloth of inspection shaft
Situation about putting is about the same, therefore a wherein segment structure is only intercepted in Fig. 5 and is illustrated.
The drainage system 7 is formed by on-site consolidation, improves drainage system construction quality and efficiency, avoids draining system
The problem of system later stage cracking leak.It also, can be by being dredged at inspection shaft 74, so as to improve when system blocks
Drainage system 7 later maintenance ability.
On this basis, since inspection shaft 74 and all draining blind pipes (are arranged including the straight blind pipe of filled layer draining, inverted arch bottom
Water blind pipe 76 and filled layer draining tilt blind pipe 72) directly or indirectly connect, so as in its all draining blind pipe that can converge
Water after water is discharged, so as to omit the setting in gutter, realize cost-effective and strengthen tunnel bottom structural strength
Effect.
It should be noted that " inspection shaft 74 is arranged on the pipeline of the straight blind pipe of filled layer draining " refers to inspection shaft
74 connect with the straight blind pipe of filled layer draining, so that the water in the straight blind pipe of filled layer draining can be discharged by inspection shaft 74.
Also, the straight blind pipe of filled layer draining includes many pipeline sections to extend in all direction, and simultaneously all pipeline sections of non-sum are directly connected to inspection shaft 74, and
As long as it is to ensure that the water in pipeline section can be flowed into inspection shaft 74.Certainly, more preferably scheme is to set inspection shaft 74
It puts in the central hub position of the straight blind pipe of filled layer draining, so as to ensure the feasibility of each position draining.
On the basis of the above, interpolation type threaded connection or sealing ring jointing may be used between adjacent drainage channel blind pipe
Connection.In addition to this, between inspection shaft 74 and inverted arch bottom discharge blind pipe 76 and the straight blind pipe of filled layer draining and inspection shaft 74
Between may be used interpolation type be threadedly coupled or sealing ring jointing connection.Certainly, in the place that three pipelines cross
It can also be attached using three-way connection.
Specifically, the three-way connection includes the first pipeline section and symmetrically arranged second pipe of relatively described first pipeline section
Section and third pipeline section.Once the second pipeline section or third pipeline section block, then common practice is carried out by the first pipeline section
Dredging.But in the prior art, high pressure dredging nozzle is inserted into after the first pipeline section, can not control its trend well, so as to very
May the second pipeline section when blocking the final injection of high pressure dredging nozzle put to being towards third pipeline section.In view of this, this implementation
Example one is provided with isolation board on the shaft section of the first pipeline section, and through-hole is provided on isolation board, so as to which isolation board is being realized
The circulation of the water of three-port structure is not interfered on the basis of being guided to high pressure dredging nozzle.
In the present embodiment, it is assumed that the first pipeline section is first end close to one end of the second pipeline section (or third pipeline section), and another
One end is second end.It is oriented to effectively dredge nozzle to high pressure, then the second end of the first pipeline section of isolation board Edge Distance
Port must not be too far away, and is preferably isolated plate and extends directly into second end port.In addition, the of the first pipeline section of Edge Distance of isolation board
One end port can not be too far, and is preferably isolated plate and stretches out the first pipeline section and extend into the second pipeline section and third pipeline section
Intersection.Certainly, the setting of isolation board cannot influence the connection between the second pipeline section and third pipeline section.In addition, in order to ensure three
The reliability of siphunculus section connection, the second end port outer sheath of preferably the first pipeline section are equipped with plug.
Please with further reference to Fig. 5, the straight blind pipe of filled layer draining includes lateral blind pipe 71 and longitudinal blind pipe 73 in the present embodiment.
A corresponding inspection shaft 74 is provided with a longitudinal blind pipe 73 in Fig. 5, and 73 directly connect with inspection shaft 4.In addition in Fig. 5,
Or lateral blind pipe 71 is connect with longitudinal blind pipe 73, so as to which water is passed into inspection shaft by longitudinal blind pipe 73；It is or horizontal
It directly connects with inspection shaft 74 to blind pipe 71 and water is passed directly in inspection shaft 74.
It should be understood that the quantity and distribution of each corresponding longitudinal blind pipe 73 of inspection shaft 74 and lateral blind pipe 71 not by
The limitation of attached drawing 5, as long as the entire straight blind pipe of filled layer draining can realize corresponding drain function.So as to longitudinal blind pipe 73
It all both can directly connect, can also have been connected with inspection shaft by other pipeline sections with inspection shaft 74 with lateral blind pipe 71.Also, it removes
Longitudinal blind pipe 73 and lateral blind pipe 71, the drainage system of the present embodiment can also include and inverted arch bottom discharge blind pipe 76 and perpendicular
The inclination blind pipe of straight well 74 at an angle, the inclination blind pipe are connected by tee one-way valve with inverted arch bottom discharge blind pipe 76.
Wherein, tee one-way valve is either vertical threeway；Can also be skew T, details are not described herein again for specific distribution.
In addition, entire prefabricated assembled drainage system is an axially symmetric structure in Fig. 5.It should be understood that axisymmetric
Structure type more can guarantee each position proper drainage, but it does not form the limitation to prefabricated assembled drainage system.It is aobvious
In right work progress when facing different execution conditions, the specific arrangement of prefabricated assembled drainage system is likely to carry out phase
The adjustment answered, and reasonably adjusting should all be included within the protection domain of the present embodiment one.
In this embodiment, the quantity of the longitudinal drainage ditch 77 per side is two, and between the two longitudinal drainage ditches 77
It is provided with sealing rod.Furthermore it is preferred that the junction that longitudinal drainage ditch 77 tilts blind pipe 72 with filled layer draining is located at longitudinal drainage
Above the bottom of ditch 77.
In addition, smoothly flowing to inspection shaft 74 for the ease of the water in longitudinal drainage ditch 77, it is blind to be preferably filled with layer draining inclination
The upper end of pipe 72 tilts upwards away from the direction of the inspection shaft 74, makees so as to be put to flow to playing certain guiding
With.In addition, it can be solid wall pipe or double-wall corrugated pipe that filled layer draining, which tilts blind pipe 72,.Filled layer draining herein tilts blind pipe
72 preferentially select the double-wall corrugated pipe of a diameter of 50mm~160mm, and the spacing between the adjacent straight blind pipe of filled layer draining
It could be provided as 500mm~1000mm.It is in and fills out in addition, the straight blind pipe of filled layer draining is preferably placed at 30cm below filled layer top surface
The side for filling the straight blind pipe tube wall of layer draining is provided with inlet opening.Also, the diameter of longitudinal blind pipe 73 is preferably 100mm~200mm.
Similary inverted arch bottom discharge blind pipe 76 can be solid wall pipe or double-wall corrugated pipe.Inverted arch bottom is arranged in the present embodiment
Water blind pipe 76 preferentially uses the double-wall corrugated pipe of a diameter of 200mm~400mm, and inverted arch bottom discharge blind pipe 76 is located at below inverted arch
In 100mm~2000mm, inlet opening is also equipped in 76 upside of inverted arch bottom discharge blind pipe.
Preferably, which further includes the filled layer center longitudinal drainage pipe 75 in filled layer, and described fills out
Fill layer center longitudinal drainage pipe 75 and 4 detachable connection of inspection shaft.
The invention also discloses the construction methods in above-mentioned tunnel, include the following steps：
S1：Preliminary bracing is applied, the pre-buried inverted arch bottom discharge blind pipe 76 when applying preliminary bracing；
S2：Assembled tunnel inverted arch 21；In assembled tunnel inverted arch 21, centrally located prefabricated section is lifted first, so
Lift the prefabricated section positioned at both sides again afterwards；
S3：Tunnel arch wall 22 is installed；Tunnel arch wall passes through reinforcing bar and tunnel pre-buried at the top of the prefabricated section of tunnel inverted arch both sides
Inverted arch 21 connects；
S4：Drainage system is installed；The straight blind pipe of installation filled layer draining, filled layer draining tilt blind pipe 72 and inspection shaft first
74；Then by the assembled both sides for arriving tunnel of longitudinal drainage ditch 77, and the filled layer draining of drainage system is tilted into blind pipe 72 with indulging
It is connected to gutter 77；
S6：Pour filled layer 11.Track plates basis 12 can be applied again after filled layer 11 has been poured.
Embodiment of above is merely to illustrate the utility model rather than the limitation to the utility model.Although with reference to implementation
The utility model is described in detail in example, it will be understood by those of ordinary skill in the art that, to the technology of the utility model
Scheme carries out various combinations, modification or equivalent replacement, should all without departure from the spirit and scope of technical solutions of the utility model
Cover in the right of the utility model.
Claims (10)
1. a kind of prefabricated assembled tunnel inverted arch, which is characterized in that including multiple rows of along the tactic assembly of tunnel extending direction
Unit often arranges assembled rigid unit and includes the arc-shaped assembled block in polylith cross section, often arrange adjacent assembled block in assembled rigid unit it
Between seam and adjacent assembled rigid unit in adjacent assembled block between seam offset one from another, in the both sides of every row's assembled rigid unit
The reinforcing bar for being connect with tunnel arch wall is embedded at the top of prefabricated section.
2. prefabricated assembled tunnel inverted arch according to claim 1, which is characterized in that in multiple rows of assembled rigid unit
Seam in odd row assembled rigid unit corresponds to each other, and the seam in even rows assembled rigid unit corresponds to each other.
3. prefabricated assembled tunnel inverted arch according to claim 1, which is characterized in that be both provided on every block of prefabricated section
For the hoisting ring of lifting.
4. prefabricated assembled tunnel inverted arch according to claim 1, which is characterized in that often arrange adjacent two in assembled rigid unit
The opposite joint face of a prefabricated section is equipped with the positioning protrusion and positioning groove to cooperate, and difference arranges the phase in assembled rigid unit
Adjacent two prefabricated sections are connected using tongue and groove or ball-and-socket hinge style, often arrange the two neighboring prefabricated section in assembled rigid unit and different rows spell
Two neighboring prefabricated section in dress unit passes through connector detachable connection.
5. prefabricated assembled tunnel inverted arch according to claim 1, which is characterized in that often arrange two neighboring in assembled rigid unit
Sealing rod is both provided between contiguous prefabricated piece between prefabricated section and in different row's assembled rigid units.
6. prefabricated assembled tunnel inverted arch according to claim 1, which is characterized in that be located at centre in every row's assembled rigid unit
Prefabricated section on be reserved with penetrate through the prefabricated section vertical injected hole.
7. a kind of tunnel structure, which is characterized in that ecto-entad is disposed with preliminary bracing, secondary lining on inner surface of tunnel
It builds and filled layer, the secondary lining includes tunnel arch wall and prefabricated assembled as described in any one of claim 1-6
Tunnel inverted arch.
8. tunnel structure according to claim 7, which is characterized in that further include drainage system, the drainage system uses
Prefabricated assembled drainage system, including in the filled layer the straight blind pipe of filled layer draining, filled layer draining tilt it is blind
Pipe, inspection shaft and the inverted arch bottom discharge blind pipe in the preliminary bracing；The inspection shaft is arranged on the filled layer
On the pipeline of the straight blind pipe of draining；The drainage system further includes the longitudinal drainage ditch for being arranged on the filled layer both sides, described to fill out
It fills layer draining and tilts blind pipe connection inspection shaft and the longitudinal drainage ditch；The straight blind pipe of filled layer draining and the inspection shaft it
Between, between the inverted arch bottom discharge blind pipe and the inspection shaft, the filled layer draining tilt blind pipe and the inspection shaft it
Between and the filled layer draining tilt and connected between blind pipe and the longitudinal drainage ditch by dismountable mode；It is described
Longitudinal drainage ditch, the straight blind pipe of the filled layer draining, the filled layer draining tilt blind pipe, the inspection shaft, the inverted arch bottom
Portion's draining blind pipe is prefabricated component.
9. tunnel structure according to claim 8, which is characterized in that the quantity of the longitudinal drainage ditch per side is two, and
Sealing rod is provided between the two described longitudinal drainage ditches.
10. tunnel structure according to claim 8, which is characterized in that the longitudinal drainage ditch and the filled layer draining
The junction for tilting blind pipe is located above the bottom of the longitudinal drainage ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818581.9U CN207554065U (en) | 2017-07-07 | 2017-07-07 | Prefabricated assembled tunnel inverted arch, tunnel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818581.9U CN207554065U (en) | 2017-07-07 | 2017-07-07 | Prefabricated assembled tunnel inverted arch, tunnel structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723473A (en) * | 2019-03-20 | 2019-05-07 | 河北天振工程技术有限公司 | A kind of corrugated steel splicing board connecting structure of existing tunnel inner wall reinforcing |
| CN110486040A (en) * | 2019-07-08 | 2019-11-22 | 重庆交通大学 | A kind of prefbricated tunnel lining structure for vcehicular tunnel |
| CN111636896A (en) * | 2020-06-11 | 2020-09-08 | 大连交通大学 | Submarine tunnel anti-seismic lining structure and construction method thereof |
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2017
- 2017-07-07 CN CN201720818581.9U patent/CN207554065U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723473A (en) * | 2019-03-20 | 2019-05-07 | 河北天振工程技术有限公司 | A kind of corrugated steel splicing board connecting structure of existing tunnel inner wall reinforcing |
| CN110486040A (en) * | 2019-07-08 | 2019-11-22 | 重庆交通大学 | A kind of prefbricated tunnel lining structure for vcehicular tunnel |
| CN110486040B (en) * | 2019-07-08 | 2024-03-08 | 重庆交通大学 | Assembled lining structure for highway tunnel |
| CN111636896A (en) * | 2020-06-11 | 2020-09-08 | 大连交通大学 | Submarine tunnel anti-seismic lining structure and construction method thereof |
| CN111636896B (en) * | 2020-06-11 | 2022-01-28 | 大连交通大学 | Submarine tunnel anti-seismic lining structure and construction method thereof |
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