CN110486040A - A kind of prefbricated tunnel lining structure for vcehicular tunnel - Google Patents
A kind of prefbricated tunnel lining structure for vcehicular tunnel Download PDFInfo
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- CN110486040A CN110486040A CN201910608420.0A CN201910608420A CN110486040A CN 110486040 A CN110486040 A CN 110486040A CN 201910608420 A CN201910608420 A CN 201910608420A CN 110486040 A CN110486040 A CN 110486040A
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- 230000007704 transition Effects 0.000 claims description 73
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 79
- 238000000034 method Methods 0.000 abstract description 25
- 238000005422 blasting Methods 0.000 abstract description 14
- 238000005553 drilling Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000009412 basement excavation Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 11
- 239000011435 rock Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 6
- 230000032258 transport Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000010757 Reduction Activity Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to the precast assembly technical fields in tunnel, provide a kind of prefbricated tunnel lining structure for vcehicular tunnel, including the odd number assembled rigid unit and even number assembled rigid unit laid along tunnel extending direction alternate cycles；Odd number assembled rigid unit and even number assembled rigid unit include end to end inverted arch group and arch ring group, and inverted arch group with the bottom of tunnel trunk for connecting, and arch ring group with the side wall of tunnel trunk and top for connecting；The inverted arch group of odd number assembled rigid unit and the inverted arch group of even number assembled rigid unit use through seam assembling, and the arch ring group of odd number assembled rigid unit and the arch ring group of even number assembled rigid unit use staggered joint erection.Liner structure provided by the invention can strictly adapt to the characteristics of highway tunnel of drilling and blasting method excavation, the construction suitable for highway tunnel；Assembled rigid unit can carry out assembled, reduction on-site construction processes by transporting construction site after intensive, standardized production to, save labour, raising construction efficiency, and the effective guarantee quality of production of assembled rigid unit.
Description
Technical field
The present invention relates to the precast assembly technical fields in tunnel, more specifically, are related to a kind of for vcehicular tunnel
Prefbricated tunnel lining structure.
Background technique
Drilling and blasting method has the characteristics that construction site requirement is low, tissue is flexible, the duration easily guarantees, is railway, highway, subway tunnel
The main construction method in road.Then drilling and blasting method does preliminary bracing and secondary lining by drilling, powder charge, Blasting Excavation Rock And Soil again
It builds.China's highway tunnel mostly uses greatly drill bursting construction at present, mountain ridge drill+blast tunnel preliminary bracing, secondary lining and its
Component generallys use cast in situs construction, sets in blasting boreholes, anchor pole, steel arch-shelf system is vertical, concrete ejection, splash guard paving
It hangs, lining cutting pours, construction ventilation and transport etc. of slagging tap have labour intensive.
With the continuous development and raising of China's mechanization degree and shield technique level, shield construction has pair because of it
The advantages such as ground disturbance is small, effect on environment is small, mechanized construction speed is fast, be increasingly becoming underground engineering build it is main
Method.However, the use due to shield construction and shield duct piece has many limitations: an application field is limited, main to concentrate
It is lower empty on a large scale to subway station, underground parking or market place builet below the ground etc. in urban subway and the tunnel across Jiang Yuehai
Between build and be not suitable for；Second is that shield-tunneling construction is at high cost, construction efficiency is lower especially in short distance running tunnel and waste is tight
Weight；Third is that shield-tunneling construction is more demanding to top plate earth-covering, applicable stratum and line position situation are limited.
Compared to shield method, the construction technology of drilling and blasting method is mature, is applicable to various stratum.However, at present with drilling and blasting method
The vcehicular tunnel of excavation can not apply prefbricated tunnel lining structure.
The above deficiency, has much room for improvement.
Summary of the invention
The purpose of the present invention is to provide a kind of prefbricated tunnel lining structures for vcehicular tunnel, to solve current drilling and blasting method
The vcehicular tunnel of excavation can not apply the technical issues of prefbricated tunnel lining.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of assembled for vcehicular tunnel is provided and is served as a contrast
Structure is built, including the odd number assembled rigid unit and even number assembled rigid unit laid along tunnel extending direction alternate cycles；
The odd number assembled rigid unit and even number assembled rigid unit include end to end inverted arch group and arch ring group, the inverted arch
Bottom of the group for tunnel trunk is connect, and the arch ring group with the side wall of tunnel trunk and top for connecting；
The inverted arch group of the inverted arch group of the odd number assembled rigid unit and the even number assembled rigid unit uses through seam assembling, the surprise
The arch ring group of number assembled rigid unit and the arch ring group of the even number assembled rigid unit use staggered joint erection.
In one embodiment, the inverted arch group includes that the first inverted arch block and two are symmetrically set in first inverted arch block
Second inverted arch block of two sides, first inverted arch block and second inverted arch block with the bottom of tunnel trunk for connecting；
The arch ring group includes the block that binds being connected smoothly, two adjacent blocks for being respectively arranged on the block two sides of binding
And at least one transition block, the transition block are set between second inverted arch block and the adjacent block.
In one embodiment, the quantity of the transition block is two；
Two transition blocks are connected with each other, and are set between second inverted arch block and the adjacent block；
Alternatively, two transition blocks are respectively arranged on two adjacent blocks backwards to the side of the block that binds.
In one embodiment, the arc angle of the block that binds is 16 °~40 °, and the arc angle of the adjacent block is
32 °~60 °, the arc angle of the transition block is 20 °~60 °.
In one embodiment, the block that binds, the adjacent block and the transition block with a thickness of 30cm~80cm；
And/or the width of the inverted arch group is 11.7m~13.3m.
In one embodiment, second inverted arch block is equipped with curved surfaces, and the curved surfaces extend as described the
The side wall of one inverted arch block connects and forms accommodating space with the side wall of first inverted arch block；
And/or at least one through-hole is equipped with along the longitudinal direction of the assembled rigid unit in first inverted arch block.
In one embodiment, first inverted arch block is equipped with positioning table backwards to the surface of the arch ring group；
And/or second inverted arch block is equipped with positioning table backwards to the surface of the arch ring group.
In one embodiment, described first in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction
Matched tenon and tongue-and-groove are provided between inverted arch block；
And/or first inverted arch block in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction it
Between pass through rod iron connect；
And/or second inverted arch block in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction it
Between be provided with matched tenon and tongue-and-groove；
And/or lead between the arch ring group in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction
Cross rod iron connection.
In one embodiment, the tenon of Corresponding matching is provided between first inverted arch block and second inverted arch block
And tongue-and-groove；
And/or it is provided between second inverted arch block and the transition block being connect with second inverted arch block pair
Matched tenon and tongue-and-groove are answered, is arranged between second inverted arch block and the adjacent block being connect with second inverted arch block
There are the tenon and tongue-and-groove of Corresponding matching.
In one embodiment, first inverted arch block is connect by bolt with second inverted arch block；
And/or second inverted arch block is connect by bolt with the transition block or adjacent block；
And/or the transition block is connect by bolt with the adjacent block；
And/or the adjacent block is connect by bolt with the block that binds.
The beneficial effect of prefbricated tunnel lining structure for vcehicular tunnel provided by the invention a kind of at least that:
Firstly, the inverted arch group of the inverted arch group of odd number assembled rigid unit and even number assembled rigid unit uses through seam assembling in the present invention,
Inverted arch interannular contact area is larger, and the safety along tunnel direction structure is good, and construction is more easier；The arch of odd number assembled rigid unit
The arch ring group of circle group and even number assembled rigid unit uses staggered joint erection, helps to improve the globality in tunnel, and rigidity is more uniform,
It constructs convenient for subsequent seam waterproof etc., while being able to ascend the automation level in tunnel in construction.
Secondly, the section of jurisdiction of odd number assembled rigid unit and even number assembled rigid unit is prefabricated section, intensive, standardization can be passed through
It transports construction site after production to and carries out assembly, and cast in situs need not be carried out at the construction field (site), the scene of not only reducing is applied
Work process reduces the generation of dust and building waste, improves working conditions, save labour, and effective guarantee assembly
The quality of production of unit, it is ensured that the assembled rigid unit constructed is completely qualified, and construction quality has been effectively ensured, and work greatly improved
Cheng Pinzhi and durability.
Secondly as assembled rigid unit uses precast construction, carload can be born after inverted arch group completes construction, is helped
In the progress of construction, shorten the whole activity duration, improves construction efficiency.
Moreover, liner structure provided by the invention is designed from construction to operation maintenance, is released from country rock load
The characteristics of putting the regular deterioration condition etc. to later period rock, can strictly adapting to the highway tunnel of drilling and blasting method excavation, thus
It is completely suitable for the construction of highway tunnel.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the schematic diagram of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel；
Fig. 2 is the first of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Structural schematic diagram one；
Fig. 3 is the first of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Structural schematic diagram two；
Fig. 4 is second of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Structural schematic diagram；
Fig. 5 is the partial enlargement structural representation of part A in Fig. 4；
Fig. 6 is the structural representation of inverted arch group in the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Figure；
Fig. 7 is the third of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Structural schematic diagram；
Fig. 8 is the 4th kind of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Structural schematic diagram；
Fig. 9 is the 5th kind of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Structural schematic diagram；
Figure 10 is the 6 of the assembled rigid unit of the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Kind structural schematic diagram；
Figure 11 is adjacent first inverted arch block in the prefbricated tunnel lining structure provided in an embodiment of the present invention for vcehicular tunnel
Attachment structure schematic diagram.
Wherein, each appended drawing reference in figure:
| 10 | Liner structure | 11 | Assembled rigid unit |
| 111 | Inverted arch group | 1111 | First inverted arch block |
| 11111 | Groove | 11112 | Through-hole |
| 11113 | Support column | 11114 | First tongue-and-groove |
| 1112 | Second inverted arch block | 11121 | First tenon |
| 11122 | Second tenon | 1113 | Accommodating space |
| 1114 | Positioning table | 1115 | Oblique bolt |
| 112 | Arch ring group | 1121 | Bind block |
| 1122 | First adjacent block | 1123 | Second adjacent block |
| 1124 | First Transition block | 1125 | Second transition block |
| 1126 | Injected hole | 113 | Curved bolt |
| 114 | Rod iron |
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
It should be noted that be referred to as " being fixed on " or " being set to " another component when component, it can directly or
It is located on another component indirectly.When a component referred to as " is connected to " another component, it can be directly or
It is connected on another component in succession.Term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top",
The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on the figure or position, are merely for convenience of describing,
It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating technical characteristic.The meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Fig. 1 and Fig. 2 are please referred to, (the following letter of prefbricated tunnel lining structure 10 that the present embodiment provides a kind of for vcehicular tunnel
Referred to as liner structure), including the odd number assembled rigid unit 101 and even number assembled rigid unit laid along tunnel extending direction alternate cycles
102 (laying is recycled in the form of A-B-A along tunnel extending direction).Odd number assembled rigid unit 101 and even number assembled rigid unit 102 are equal
Including end to end inverted arch group 111 and arch ring group 112, inverted arch group 111 with the bottom of tunnel trunk for connecting, arch ring group
112 with the side wall of tunnel trunk and top for connecting.The inverted arch group 111 and even number assembled rigid unit 102 of odd number assembled rigid unit 101
Inverted arch group 111 use through seam assembling, the arch ring group 112 of odd number assembled rigid unit 101 and the arch ring group of even number assembled rigid unit 102
112 use staggered joint erection.
In the present embodiment, odd number assembled rigid unit 101 and even number assembled rigid unit 102 are assembled rigid unit, assembled rigid unit
Inverted arch group 111 and arch ring group 112 are the reinforced concrete structure with certain joint stiffness, are able to bear construction and operation rank
The load of section.Inverted arch group 111 and arch ring group 112 join end to end to form enclosed construction, and cross sectional shape can be the shape of a hoof.Inverted arch
Group 111 and arch ring group 112 include multiple prefabricated sections, i.e., assembled rigid unit is existing by transporting construction after intensive, standardized production to
Field carries out assembly, and need not carry out at the construction field (site) cast in situs.It, can be first by inverted arch group 111 when carrying out assembled
Set on the bottom of tunnel trunk, so that inverted arch group 111 is fixedly connected with the bottom of tunnel trunk.Then again successively by odd number assembly
The arch ring group 112 of unit 101 and even number assembled rigid unit 102 is fixed along the side wall of tunnel trunk and top, thus in tunnel trunk
Interior completion is assembled.It according to building for tunnel, is constantly repeated the above process along tunnel direction, so as to be handed over along tunnel extending direction
Odd number assembled rigid unit 101 and even number assembled rigid unit 102 are laid for circulation.
When installing arch ring group 112, since using tunnel good integrity when staggered joint erection, rigidity is uniform, subsequent doing
It is more easier when seam waterproof, while is able to ascend the automation level in tunnel in construction, therefore is odd in the present embodiment
The arch ring group 112 of number assembled rigid unit 101 and even number assembled rigid unit 102 is by the way of staggered joint erection.Carrying out inverted arch group 111
When installation, since inverted arch interannular contact area is larger and preferable along the safety of tunnel direction structure, with the side of through seam assembling
Formula is more easier to construct, thus in the present embodiment inverted arch group 111 by the way of through seam assembling.It should be understood that into
When the construction of row assembled rigid unit, it can also relate to other construction technologies, do not list completely herein.
Referring to Fig. 2, further, inverted arch group 111 includes that the first inverted arch block 1111 and two are symmetrically set in first and face upward
Second inverted arch block 1112 (alternatively referred to as abutment wall block) of 1111 two sides of arch block, the first inverted arch block 1111 and the second inverted arch block 1112 are used
It is connect in the bottom with tunnel trunk.Arch ring group 112 include be connected smoothly bind block 1121, two to be respectively arranged on and bind
The adjacent block and at least one transition block of 1121 two sides of block, transition block are set between the second inverted arch block 1112 and adjacent block, envelope
Jacking block 1121 can be wedge-shaped section of jurisdiction.Arch ring group 112 with the side wall of tunnel trunk and top for connecting.
In the present embodiment, the first inverted arch block 1111, the second inverted arch block 1112, bind block 1121, adjacent block and transition
Block is prefabricated section, by transported to after intensive, standardized production construction site carry out it is assembled, without being showed at the construction field (site)
Field pours.When carrying out assembled, the first inverted arch block 1111 and two the second inverted arch block 1112 connections can be formed into inverted arch first
Group 111, and by inverted arch group 111 set on the bottom of tunnel trunk, so that inverted arch group 111 is fixedly connected with the bottom of tunnel trunk.
Then successively transition block and adjacent block are fixed again along the side wall of tunnel trunk and top, and is sealed by the block 1121 that binds
Top a, so that assembled rigid unit is completed assembly in tunnel trunk.It should be understood that not only being needed when carrying out assembled
Each prefabricated section is connect with tunnel, and to be also attached before the prefabricated section between adjacent assembled rigid unit, to ensure entirety
Stable structure, so as to bear the load of construction and operation phase.
In one embodiment, liner structure 10 is applicable to the construction of highway tunnel.Carrying out mountain ridge public affairs at present
When the construction in road tunnel, mainly constructed using drilling and blasting method, therefore the mode of cast in situs is all made of when doing liner structure,
There is only labour intensives, the problem that construction environment is poor, working procedure intersection is serious, production capacity falls behind, and construction quality is difficult
To be guaranteed, it is easy to appear supporting and lining cutting premature rupture, early stage deteriorates, percolating water is serious, component changes difficulty.In addition,
Although shield construction has been increasingly becoming the main method that the underground engineerings such as urban subway, the tunnel across Jiang Yuehai are built.
But existing shield duct piece structural system is not particularly suited for the construction of highway tunnel.
The present embodiment then proposes a kind of completely new liner structure 10, can be effectively applicable to building for highway tunnel
If.
Firstly, in the present embodiment the inverted arch group 111 of odd number assembled rigid unit 101 and even number assembled rigid unit 102 inverted arch group 111
Using through seam assembling, inverted arch interannular contact area is larger, and the safety along tunnel direction structure is good, and construction is more easier；It is odd
The arch ring group 112 of number assembled rigid unit 101 and the arch ring group 112 of even number assembled rigid unit 102 use staggered joint erection, help to improve tunnel
The globality in road, rigidity is more uniform, is also convenient for the construction such as subsequent seam waterproof, while being able to ascend tunnel in construction
Automation level.
Secondly, the first inverted arch block 1111, the second inverted arch block 1112, the block 1121 that binds of assembled rigid unit, neighbour in the present embodiment
Connect block and transition block be prefabricated section, i.e., assembled rigid unit can as shield duct piece by intensive, standardized production after
It transports construction site to and carries out assembly, and cast in situs need not be carried out at the construction field (site), not only reduce on-site construction processes,
The generation for reducing dust and building waste, improves working conditions, save labour, and the effective guarantee life of assembled rigid unit
Yield and quality, it is ensured that the assembled rigid unit constructed is completely qualified, and construction quality has been effectively ensured, greatly improved engineering quality and
Durability.
Secondly as assembled rigid unit uses precast construction, carload can be born after inverted arch group 111 completes construction,
The progress for facilitating construction, shortens the whole activity duration, improves construction efficiency.
Moreover, liner structure 10 provided in this embodiment is designed from construction to operation maintenance, from country rock lotus
Carry release rule to later period rock deterioration condition etc., can strictly adapt to drilling and blasting method excavation highway tunnel the characteristics of,
Thus it is completely suitable for the construction of highway tunnel.
Certainly, in other embodiments, liner structure 10 provided in this embodiment also can be applied to by drilling and blasting method into
In the other kinds of tunnel construction of row construction, it is not limited in above-mentioned situation.
Further, the quantity of transition block, which can according to need, is configured, for example, can for 1,2 it is even more
It is a.Referring to Fig. 2, in the present embodiment, being illustrated so that the quantity of transition block is 2 as an example, assembled rigid unit is " 5+3 " at this time
Form, wherein 5 refer to the quantity of splicing block in arch ring group 112,3 refer to the quantity of inverted arch block in inverted arch group 111.In order to retouch
It states conveniently, two adjacent blocks are denoted as the first adjacent block 1122 and the second adjacent block 1123 respectively, and two transition blocks are denoted as the respectively
The position of one transition block 1124 and the second transition block 1125, First Transition block 1124 and the second transition block 1125 can according to need
It is configured.For example, referring to Fig. 2, in odd number assembled rigid unit 101,1125 phase of First Transition block 1124 and the second transition block
It connects, and between the first adjacent block 1122 and the second inverted arch block 1112, First Transition block 1124 and the first adjacent block
1122 connections, the second transition block 1125 are connect with the second inverted arch block 1112.In even number assembled rigid unit 102, arch ring group 112 is set
It sets symmetrical with the setting of arch ring group 112 in odd number assembled rigid unit 101.Certainly, First Transition block 1124 and in assembled rigid unit
Two transition blocks 1125 can also be configured by other means, such as First Transition block 1124 is located at 1122 He of the first adjacent block
Between one second inverted arch block 1112, the second transition block 1125 be located at the second adjacent block 1123 and another second inverted arch block 1112 it
Between.
Referring to Fig. 3, further, inverted arch group 111 and arch ring group 112, which join end to end, the enclosed construction interior angle to be formed and is
360 degree, wherein the section of the surfaces externally and internally for the block 1121 that binds is circular arc, and corresponding arc angle θ 1 is 16 °~40 °；It is adjacent
The section of the surfaces externally and internally of block (including the first adjacent block 1122 and the second adjacent block 1123) is circular arc, corresponding arc angle
θ 2 and θ 3 is 32 °~60 °；The section of the surfaces externally and internally of transition block (including First Transition block 1124 and the second transition block 1125) is
Circular arc, corresponding arc angle θ 4 and θ 5 are 20 °~60 °；Corresponding 6 range of angle, θ of inverted arch group 111 is then 140 °~
180°。
Fig. 3 and Fig. 4 are please referred to, in a specific embodiment, the corresponding arc angle θ 1 of block 1121 that binds is 18 °, the
The corresponding arc angle θ 2 of one adjacent block 1122 is 36 °, and the corresponding arc angle θ 3 of the second adjacent block 1123 is 55 °, the first mistake
Crossing the corresponding arc angle θ 4 of block 1124 is 54 °, and the corresponding arc angle θ 5 of the second transition block 1125 is 27 °, so as to true
When guarantor is constructed in tunnel trunk, can preferably it be bonded with the side wall of tunnel trunk and top.Certainly, in other implementations
In example, the angle of bind block 1121, adjacent block and transition block can also be other values, be not limited in above-mentioned situation.Inverted arch
111 corresponding angle, θs 6 of group are 160 °, wherein the corresponding angle, θ 7 of the first inverted arch block 1111 is 120 °, two the second inverted arch blocks
1112 corresponding angle, θs 8 are 20 °, so that it is guaranteed that when being constructed in tunnel trunk, can preferably with tunnel trunk
Bottom fitting.
Fig. 7 and Fig. 8 are please referred to, in another specific embodiment, the corresponding arc angle θ 1 of block 1121 that binds is 18 °,
The corresponding arc angle θ 2 of first adjacent block 1122 be 36 °, the corresponding arc angle θ 3 of the second adjacent block 1123 be 58 °, first
The corresponding arc angle θ 4 of transition block 1124 is 54 °, and the corresponding arc angle θ 5 of the second transition block 1125 is 40 °, so as to
When ensuring to be constructed in tunnel trunk, can preferably it be bonded with the side wall of tunnel trunk and top.Certainly, in other realities
It applies in example, the angle of bind block 1121, adjacent block and transition block can also be other values, be not limited in above-mentioned situation.It faces upward
The corresponding angle, θ 6 of arch group 111 is 154 °, wherein the corresponding angle, θ 7 of the first inverted arch block 1111 is 120 °, two the second inverted arch blocks
1112 corresponding angle, θs 8 are 17 °, so that it is guaranteed that when being constructed in tunnel trunk, can preferably with tunnel trunk
Bottom fitting.
Fig. 9 and Figure 10 are please referred to, in another specific embodiment, the corresponding arc angle θ 1 of block 1121 that binds is 40 °,
The corresponding arc angle θ 2 of first adjacent block 1122 be 40 °, the corresponding arc angle θ 3 of the second adjacent block 1123 be 40 °, first
The corresponding arc angle θ 4 of transition block 1124 is 40 °, and the corresponding arc angle θ 5 of the second transition block 1125 is 20 °, so as to
When ensuring to be constructed in tunnel trunk, can preferably it be bonded with the side wall of tunnel trunk and top.At this point, the block that binds
1121, the interior angle of the first adjacent block 1122, the second adjacent block 1123, First Transition block 1124 and the second transition block 1125 and it is
180 °, and radius of curvature having the same can be corresponded to, just form a semicircle.It is assembled according to odd number assembled rigid unit and even number
The difference of unit, the block 1121 that binds, the first adjacent block 1122, the second adjacent block 1123, First Transition block 1124 and the second transition
The opposite of block 1125 can be different, and (Fig. 9 is the corresponding structural schematic diagram of odd number assembled rigid unit, and Figure 10 is that even number is assembled as shown in the figure
The corresponding structural schematic diagram of unit).
The corresponding angle, θ 6 of inverted arch group 111 is 180 °, wherein the corresponding angle, θ 7 of the first inverted arch block 1111 is 120 °, two
The corresponding angle, θ 8 of second inverted arch block 1112 is 30 °, so that it is guaranteed that when being constructed in tunnel trunk, can preferably with
The bottom of tunnel trunk is bonded.At this point, the interior angle of the first inverted arch block 1111 and two the second inverted arch blocks 1112 and be 180 °, and it is right
Radius of curvature having the same is answered, a semicircle is just formed.It should be understood that the radius of above-mentioned two semicircle can phase
Together, it can also be different, herein with no restrictions.
Certainly, in other embodiments, the angle for block 1121, adjacent block and the transition block of binding can also be other values, and
It is not limited only to above-mentioned situation.The angle of inverted arch group 111 can also be other values, be not limited in above-mentioned situation.
In one embodiment, block 1121, adjacent block and the transition block of binding with a thickness of 30cm~80cm, thickness can be with
It is configured as needed, it can be identical or not identical.For example, bind block 1121, adjacent block and transition block are sequentially connected
And thickness is identical, the annulus of formation with a thickness of 40cm~60cm, not only may insure that the arch ring group 112 to be formed is able to bear and enclose
Rock pressure power meets construction demand, and is convenient for manufacture, transport and installation.
Referring to Fig. 3, in one embodiment, the width L of inverted arch group 111 is 11.7m~13.3m, it can be according to tunnel
The width of barrel bottom is configured.For example, the width L of inverted arch group 111 can be 12.1m, wherein the first inverted arch block 1111
Width L1 is 0.87m, and the width L2 of two the second inverted arch blocks 1112 is 0.17m, not only may insure first for driving
Inverted arch block 1111 has enough spaces for driving a vehicle, and also ensures that 1111 two sides of the first inverted arch block have enough spaces to carry out
Otherwise layout.
Referring to Fig. 6, in one embodiment, for the ease of driving a vehicle after the completion of build, 1111 direction of the first inverted arch block
The surface of arch ring group 112 is equipped with groove 11111, and groove 11111 extends (i.e. along tunnel extending direction) along the longitudinal direction of assembled rigid unit,
The depth of groove 11111, which can according to need, to be configured.In first inverted arch block 1111 along assembled rigid unit be longitudinally arranged on to
A few through-hole 11112, through-hole 11112 are used as hollow backfill layer, on the one hand can mitigate the entirety weight of the first inverted arch block 1111
Amount is convenient for transporting and construct, while reducing backfill layer concrete consumption；Another aspect through-hole 11112 can be also used for holding
The other components such as cable are set, the purposes such as draining are also used as, rationally utilize tunnel space.In one embodiment, through-hole
11112 quantity is two, and two through hole 11112 is separated by a support column 11113, and wherein two through hole 11112 can carry out respectively
It uses, such as one is used to accommodate cable, another is used as draining etc., while support column 11113 can also play good branch
Support effect.Certainly, in other embodiments, the quantity of through-hole 11112 can also be other values, herein with no restrictions.
Referring to Fig. 2, in one embodiment, second inverted arch block 1112 is towards the surface of arch ring group 112 in inverted arch group 111
For curved surfaces, curved surfaces extend the side wall connection as the first inverted arch block 1111 and the side wall shape with the first inverted arch block 1111
At accommodating space 1113, two accommodating spaces 1113 are symmetrically set in the two sides of the first inverted arch block 1111, which can
For accommodating the components such as cable.By the way that the accommodating space 1113 is arranged, convenient for laggard in the construction for completing the first inverted arch block 1111
The laying of row cable etc., while the driving of the first inverted arch block 1111 will not be had an impact, help to promote whole construction
Efficiency.Certainly, in other embodiments, accommodating space 1113 or other forms, are not limited in above-mentioned situation, only
It wants that accommodating can be played the role of.
Fig. 2 and Fig. 6 are please referred to, in one embodiment, the first inverted arch block 1111 is set backwards to the surface middle part of arch ring group 112
There is positioning table 1114, the width of positioning table 1114, which can according to need, to be configured, it can be cooperatively connected with tunnel trunk bottom,
To realize the positioning of the first inverted arch block 1111.Fig. 7 and Fig. 8 are please referred to, in order to which the position to the second inverted arch block 1112 is determined
Position, the second inverted arch block 1112 also are provided with positioning table 1114 backwards to the surface of arch ring group 112, for being positioned and being pacified in construction
Dress.Optionally, when the second inverted arch block 1112 is connect with transition block, positioning table 1114 is set to the second inverted arch block 1112 close to transition
The edge of block, while transition block (First Transition block 1124 or the second transition block 1125) position corresponding with the positioning table 1114
It also is provided with positioning table 1114, two positioning tables 1114 are cooperatively connected, and can play the role of positioning and installation.When the second inverted arch block 1112
When connecting with adjacent block, positioning table 1114 is set to the second inverted arch block 1112 close to the edge of adjacent block, while adjacent block (such as the
Two adjacent blocks 1123) corresponding with the positioning table 1114 position also is provided with positioning table 1114, and two positioning tables 1114 are cooperatively connected,
It can play the role of positioning and installation.
Further, the connection type in odd number assembled rigid unit 101 and even number assembled rigid unit 102 between section of jurisdiction can basis
It needs to be configured.
Referring to Fig. 6, in one embodiment, in order to enable the first inverted arch block 1111 and the second inverted arch block 1112 connect jail
Gu and stress is more preferably, and matched tenon and tongue-and-groove, such as are provided between the first inverted arch block 1111 and the second inverted arch block 1112
The side edge surface of two inverted arch blocks 1112 towards the first inverted arch block 1111 is additionally provided with the first tenon 11121,1111 phase of the first inverted arch block
It should be equipped with the first tongue-and-groove 11114, the first tenon 11121 is placed in first tongue-and-groove 11114, to realize that the fixed of the two connects
It connects.Fig. 7 and Fig. 8 are please referred to, for the connective stability both further enhanced, inverted arch group 111 further includes bolt, such as can be with
For oblique bolt 1115, first inverted arch block 1111 and the second inverted arch block 1112 are bolted together by oblique bolt 1115, connection is steady
Gu.
Referring to Fig. 6, in one embodiment, in order to enable the second inverted arch block 1112 and transition block is connected firmly and stress
More preferably, matched cambered surface tenon and tongue-and-groove are provided between the second inverted arch block 1112 and transition block, to improve pipe sheet assembling precision,
Reduce stress to concentrate.Such as second the side edge surface of inverted arch block 1112 towards transition block be additionally provided with the second tenon 11122, transition block
It is correspondingly provided with the second tongue-and-groove, the second tenon 11122 is placed in second tongue-and-groove, to realize being fixedly connected for the two.It is similar
Ground, when the second inverted arch block 1112 is connected with adjacent block, the second tenon 11122 can also be set to the second inverted arch block 1112 towards neighbour
The side edge surface of block is connect, corresponding adjacent block is equipped with second tongue-and-groove at this time.
Referring to Fig. 2, in one embodiment, being attached between adjacent block by bolt in assembled rigid unit, the bolt
It can be curved bolt 113, be also possible to other kinds of bolt, herein with no restrictions.Specifically, the second inverted arch block 1112 passes through
Curved bolt 113 transition block adjacent thereto or adjacent block connection, transition block are connected by curved bolt 113 adjacent block adjacent thereto
It connects, and adjacent block is connect by curved bolt 113 with the block 1121 that binds.Certainly, in other embodiments, adjacent block in assembled rigid unit
Between can also realize interconnection by other means, be not limited in above-mentioned situation.
Further, the connection type between the section of jurisdiction between odd number assembled rigid unit 101 and even number assembled rigid unit 102 can root
It is configured according to needs.
In one embodiment, in order to enable the inverted arch group 111 of odd number assembled rigid unit 101 and even number assembled rigid unit 102 connects
Connect secured and stress more preferably, adjacent inverted arch group 111 is provided with matched tenon and tongue-and-groove along the surface of tunnel extending direction.Example
Such as, be provided between adjacent odd assembled rigid unit 101 and the first inverted arch block 1111 of even number assembled rigid unit 102 matched tenon and
Matched tenon is provided between second inverted arch block 1112 of tongue-and-groove, adjacent odd assembled rigid unit 101 and even number assembled rigid unit 102
And tongue-and-groove, tenon are placed in corresponding tongue-and-groove, to realize being fixedly connected for the two.Figure 11 is please referred to, in order to further increase
Both strong connective stability, between adjacent odd assembled rigid unit 101 and the first inverted arch block 1111 of even number assembled rigid unit 102 also
It is connected by rod iron 114, it is also logical between adjacent odd assembled rigid unit 101 and the second inverted arch block 1112 of even number assembled rigid unit 102
The connection of rod iron 114 is crossed, and is taken by ring tensioning, by the mode of ring locking, so that fixation between inverted arch group 111.
In one embodiment, in order to enable the arch ring group 112 of odd number assembled rigid unit 101 and even number assembled rigid unit 102 connects
It connects secured and stress more preferably, passes through bolt between the arch ring group 112 of adjacent odd assembled rigid unit 101 and even number assembled rigid unit 102
Connection.Certainly, in other embodiments, between adjacent odd assembled rigid unit 101 and the arch ring group 112 of even number assembled rigid unit 102
It can also connect by other means, herein with no restrictions.
Referring to Fig. 5, in one embodiment, each piece of (bind block 1121, adjacent block and transition of arch ring group 112
Block) be equipped with injected hole 1126 so that in construction can by injected hole in the side wall of arch ring group 112 and tunnel trunk and
Slip casting forms grouting layer between top, and the thickness of grouting layer can be 5cm~15cm, it is ensured that be connected firmly.Further, bind block
It is equipped between 1121 and adjacent block, between adjacent block and transition block at least together perpendicular to the sealing in the section of assembled rigid unit
Band effectively improves the waterproof effect of assembled rigid unit.
The beneficial effect of prefbricated tunnel lining structure 10 provided in this embodiment for vcehicular tunnel includes at least:
(1) when carrying out drilling and blasting method at present and excavating highway tunnel, that there are construction environments is poor, working procedure intersection seriously with
And the problem that production capacity falls behind, and construction quality is difficult to be guaranteed, be easy to appear supporting and lining cutting premature rupture, early stage deterioration,
Percolating water is serious, component changes difficulty.
The first inverted arch block 1111, the second inverted arch block 1112 of assembled rigid unit in the present embodiment, block 1121, the adjacent block of binding with
And transition block is prefabricated section, can be carried out as shield duct piece by transporting construction site after intensive, standardized production to
Assembly, and cast in situs need not be carried out at the construction field (site), on-site construction processes are not only reduced, dust and building rubbish are reduced
The generation of rubbish, improves working conditions, and saves labour, and the effective guarantee quality of production of assembled rigid unit, it is ensured that carries out
The assembled rigid unit of construction is completely qualified, and construction quality has been effectively ensured, and engineering quality and durability greatly improved.
(2) in current form of construction work, from demoulding is poured into, process is various, it is also necessary to which the auxiliary such as trolley can account for for a long time
With channel narrow in tunnel, extend the duration, increases project cost.
The liner structure 10 of the present embodiment use on-site consolidation, need not rely on trolley auxiliary, it is some it is high and cold, soft rock is big
It can be quickly through the reduction activity duration in the special environment such as deformation, high underground heat；It is not necessarily to gib such as arch, template simultaneously
Deng to save a large amount of backing material and labour, shortening the duration, reduce cost.
(3) it at present when building tunnel inverted arch, before inverted arch is not up to some strength, can only be faced upward by trestle across the section
Arch, to maintain the progress of construction, mechanical transport is difficult in hole.
Precast construction is used by assembled rigid unit in this present embodiment, automobile can be born after inverted arch group 111 completes construction
Load facilitates the progress of construction, shortens the whole activity duration, improves construction efficiency.Meanwhile lining cutting provided in this embodiment
10 work limitation of structure is strong, once assembly cyclization, can bear pressure from surrounding rock.
(4) the present embodiment uses batch production precast assembly unit, is easy to provide moderately good curing condition, is conducive to obtain
High-intensitive prefabricated components are obtained, component thickness is reduced.
(5) inverted arch group 111 is formed by the first inverted arch block 1111 and two the second inverted arch block 1112 assemblings in the present embodiment,
On the one hand by the way that inverted arch group 111 is divided into muti-piece, each piece of weight is alleviated, is convenient for transporting and assemble；On the other hand
The division of function is also achieved, i.e. the first inverted arch block 1111 set on middle part can be used for driving a vehicle, and second set on two sides faces upward
Arch block 1112 then can be used for that the other components such as cable are arranged.
(6) liner structure 10 provided in this embodiment is designed from construction to operation maintenance, from country rock load releasing
Rule is to the deterioration condition etc. of later period rock, the characteristics of can strictly adapting to the highway tunnel of drilling and blasting method excavation, thus complete
The full construction for being suitable for highway tunnel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of prefbricated tunnel lining structure for vcehicular tunnel, which is characterized in that including along tunnel extending direction alternate cycles
The odd number assembled rigid unit and even number assembled rigid unit of laying；
The odd number assembled rigid unit and even number assembled rigid unit include end to end inverted arch group and arch ring group, and the inverted arch group is used
It is connect in the bottom with tunnel trunk, the arch ring group with the side wall of tunnel trunk and top for connecting；
The inverted arch group of the inverted arch group of the odd number assembled rigid unit and the even number assembled rigid unit uses through seam assembling, and the odd number is spelled
The arch ring group of the arch ring group and the even number assembled rigid unit that fill unit uses staggered joint erection.
2. being used for the prefbricated tunnel lining structure of vcehicular tunnel as described in claim 1, which is characterized in that the inverted arch group includes
First inverted arch block and two are symmetrically set in the second inverted arch block of first inverted arch block two sides, first inverted arch block and described
Second inverted arch block with the bottom of tunnel trunk for connecting；
The arch ring group include the block that binds being connected smoothly, two adjacent blocks for being respectively arranged on the block two sides of binding and
At least one transition block, the transition block are set between second inverted arch block and the adjacent block.
3. being used for the prefbricated tunnel lining structure of vcehicular tunnel as claimed in claim 2, which is characterized in that the number of the transition block
Amount is two；
Two transition blocks are connected with each other, and are set between second inverted arch block and the adjacent block；
Alternatively, two transition blocks are respectively arranged on two adjacent blocks backwards to the side of the block that binds.
4. being used for the prefbricated tunnel lining structure of vcehicular tunnel as claimed in claim 2, which is characterized in that the circle of the block that binds
Arc angle is 16 °~40 °, and the arc angle of the adjacent block is 32 °~60 °, the arc angle of the transition block is 20 °~
60°。
5. being used for the prefbricated tunnel lining structure of vcehicular tunnel as claimed in claim 2, which is characterized in that the block that binds, institute
State adjacent block and the transition block with a thickness of 30cm~80cm；
And/or the width of the inverted arch group is 11.7m~13.3m.
6. being used for the prefbricated tunnel lining structure of vcehicular tunnel as claimed in claim 2, which is characterized in that second inverted arch block
Equipped with curved surfaces, the curved surfaces extend as first inverted arch block side wall connection and with first inverted arch block
Side wall forms accommodating space；
And/or at least one through-hole is equipped with along the longitudinal direction of the assembled rigid unit in first inverted arch block.
7. being used for the prefbricated tunnel lining structure of vcehicular tunnel as claimed in claim 2, which is characterized in that first inverted arch block
Positioning table is equipped with backwards to the surface of the arch ring group；
And/or second inverted arch block is equipped with positioning table backwards to the surface of the arch ring group.
8. the prefbricated tunnel lining structure as claimed in any one of claims 2 to 7 for vcehicular tunnel, which is characterized in that along tunnel
Matched tenon is provided between first inverted arch block in the odd number assembled rigid unit and even number assembled rigid unit of road extending direction
And tongue-and-groove；
And/or lead between first inverted arch block in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction
Cross rod iron connection；
And/or it is set between second inverted arch block in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction
It is equipped with matched tenon and tongue-and-groove；
And/or pass through steel between the arch ring group in the odd number assembled rigid unit and even number assembled rigid unit of tunnel extending direction
Stick connection.
9. the prefbricated tunnel lining structure as claimed in any one of claims 2 to 7 for vcehicular tunnel, which is characterized in that described
The tenon and tongue-and-groove of Corresponding matching are provided between first inverted arch block and second inverted arch block；
And/or corresponding is provided between second inverted arch block and the transition block connected second inverted arch block
The tenon and tongue-and-groove matched, are provided with pair between second inverted arch block and the adjacent block connecting with second inverted arch block
Answer matched tenon and tongue-and-groove.
10. the prefbricated tunnel lining structure as claimed in any one of claims 2 to 7 for vcehicular tunnel, which is characterized in that
First inverted arch block is connect by bolt with second inverted arch block；
And/or second inverted arch block is connect by bolt with the transition block or adjacent block；
And/or the transition block is connect by bolt with the adjacent block；
And/or the adjacent block is connect by bolt with the block that binds.
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| CN201910608420.0A CN110486040B (en) | 2019-07-08 | 2019-07-08 | Assembled lining structure for highway tunnel |
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|---|---|---|---|
| CN201910608420.0A CN110486040B (en) | 2019-07-08 | 2019-07-08 | Assembled lining structure for highway tunnel |
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| CN110486040B CN110486040B (en) | 2024-03-08 |
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| CN111305869A (en) * | 2020-01-23 | 2020-06-19 | 中铁二院工程集团有限责任公司 | Prefabricated lining structure of arch wall and construction method |
| CN111456759A (en) * | 2020-01-23 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Assembled tunnel lining structure |
| CN111828038A (en) * | 2020-04-10 | 2020-10-27 | 同济大学 | Prefabricated lining for tunnel reinforcement and installation method thereof |
| CN113565530A (en) * | 2021-08-16 | 2021-10-29 | 中铁二院成都勘察设计研究院有限责任公司 | Prefabricated open cut tunnel and construction method thereof |
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| CN114517493A (en) * | 2022-03-25 | 2022-05-20 | 北京交通大学 | Full-prefabricated construction method for open-cut tunnel |
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| CN111305869A (en) * | 2020-01-23 | 2020-06-19 | 中铁二院工程集团有限责任公司 | Prefabricated lining structure of arch wall and construction method |
| CN111456759A (en) * | 2020-01-23 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Assembled tunnel lining structure |
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| CN113565530B (en) * | 2021-08-16 | 2024-04-16 | 中铁二院成都勘察设计研究院有限责任公司 | Prefabricated open cut tunnel and construction method thereof |
| CN113738397A (en) * | 2021-10-18 | 2021-12-03 | 重庆交通大学 | Assembled type quasi-rectangular shield tunnel segment splicing structure |
| CN113738397B (en) * | 2021-10-18 | 2023-10-27 | 重庆交通大学 | Assembled type rectangular shield tunnel segment assembling structure |
| CN114517493A (en) * | 2022-03-25 | 2022-05-20 | 北京交通大学 | Full-prefabricated construction method for open-cut tunnel |
| CN117927270A (en) * | 2024-03-21 | 2024-04-26 | 湖南省交通规划勘察设计院有限公司 | Mountain tunnel pre-assembled lining structure and construction method |
| CN117927270B (en) * | 2024-03-21 | 2024-08-02 | 湖南省交通规划勘察设计院有限公司 | Mountain tunnel pre-assembled lining structure and construction method |
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