CN106593464B - A kind of tunnel axial damping energy absorption device and the tunnel lining structure with the device - Google Patents
A kind of tunnel axial damping energy absorption device and the tunnel lining structure with the device Download PDFInfo
- Publication number
- CN106593464B CN106593464B CN201611050285.5A CN201611050285A CN106593464B CN 106593464 B CN106593464 B CN 106593464B CN 201611050285 A CN201611050285 A CN 201611050285A CN 106593464 B CN106593464 B CN 106593464B
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- Prior art keywords
- tunnel
- energy
- absorption device
- energy absorption
- axial
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/155—Laggings made of strips, slats, slabs or sheet piles
Abstract
The present invention relates to a kind of tunnel axial damping energy absorption device and with the tunnel lining structure of the device, tunnel axial damping energy absorption device includes: two connectors for connecting energy-absorbing ontology with being axially divided into adjacent lining cutting main structure along tunnel；Wherein, the energy-absorbing ontology is arranged to radially be in rigidity along tunnel, axially can produce the relative displacement to absorb axial energy along tunnel.Axial damping energy absorption device in tunnel provided by the invention, the ability for integrally bearing static load without damaging tunnel-liner due to the rigidity characteristics of tunnel radial direction；Make tunnel that there is certain flexibility in axial direction, it can be improved the shock resistance of tunnel axial push-pull deformation, and the derivative stress of phase caused by earthquake and Relative Displacement can be absorbed, there is good shock resisting effect, to ensure that the safety of tunnel lining structure in seismic process；And device is easy for installation, easily replaces.
Description
Technical field
The invention belongs to Geotechnical Engineering fields, and in particular to a kind of tunnel axial damping energy absorption device and have the dress
The tunnel lining structure set.
Background technique
Mountain tunnel is for surface infrastructure object such as bridge or high-rise building, when earthquake between tunnel structure and country rock
Relative motion it is unobvious, cause previous engineering circles to its by shake behavior and it is shatter-proof design do not paid attention to.However, this biography
The viewpoint of system is proved to be unilateral by violent earthquake several times in recent decades, such as nineteen ninety-five the big earthquakes in Osaka and Kobe,Japan, platform in 1999
Gulf Chi-Chi Earthquake, Wenchuan County in Sichuan earthquake in 2008, Kumamoto earthquake in 2016.Interlayer is generally used in tunnel Aseismic Design in recent years
Anti-shock methods, and the method can not prevent the generation of tunnel axial direction earthquake well；What is used in tunnel axial design is flexible
Seaming meter is so that structure is generated crack or destruction and is applied along lining cutting to prevent lining cutting since climate temperature changes (heat expansion, shrinkage)
Work stitches a build joint of the suitable position setting in direction, and above-mentioned tunnel expansion joint can only make tunnel be able to bear axial direction
Sliding on direction dissipates the suction of the energy such as such as seismic wave and does not have any effect, i.e., expansion joint can not absorb energy, can not
Play good cushioning effect.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of tunnel axial damping energy absorption device and
Tunnel lining structure with the device.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of tunnel axial damping energy absorption device, comprising:
Two connectors for connecting energy-absorbing ontology with being axially divided into adjacent lining cutting main structure along tunnel；Its
In, the energy-absorbing ontology is arranged to radially be in rigidity along tunnel, axially can produce the phase to absorb axial energy along tunnel
To displacement.
When tunnel axially bears the energy effect such as seismic wave, it can be absorbed by energy-absorbing ontology and propagated on axial direction
Energy slows down the destruction to tunnel-liner；At the same time, almost rigid in the radial direction in tunnel, it is able to bear country rock and is applied
The radial pressure added guarantees the integrality of tunnel-liner.Energy-absorbing ontology herein is arranged to radially be in rigidity along tunnel, refers to
Rigidity is 0.8-1.5 times of lining cutting main structure rigidity.
The energy-absorbing ontology is formed by rigid material layer and elastomeric layer are stacked；The connector includes that energy-absorbing ontology connects
Fishplate bar and main structure connecting plate；The energy-absorbing ontology connecting plate is used for along tunnel-side parallel arrangement and normal is directed toward tunnel
Radial, inside connects the energy-absorbing ontology；The main structure connecting plate and the energy-absorbing ontology connecting plate are rigidly connected, and use
It is fixedly connected in the adjacent lining cutting main structure.
The energy-absorbing ontology is formed by rigid material layer and elastomeric layer along tunnel is radially superposed, and this structure is due to bullet
Property material layer flexible characteristic make it that axially there is certain flexibility along tunnel, and perpendicular on stacking direction almost just
Property, the corresponding structure design of fit connection can be realized the respective performances of axial damping energy absorption device.
The elastomeric layer is rubber layer, and the rigid material layer is steel plate；The material technology of rubber and steel plate is mature,
Materials are convenient, low in cost.
The energy-absorbing ontology is plate-shaped member, is equipped with perpendicular to tunnel axial direction to realize the curved of length displacement deposit
Folding；Two connectors are flat components, the opposed two sides for being fixed on the plate-shaped member.When axial displacement occurs for tunnel
When, plate-shaped member is stretched in bending place, and axial damping energy-absorbing is realized with this.The bending part of plate-shaped member can make its
Tunnel radially has corresponding rigidity, is able to bear the radial pressure that country rock is applied, guarantees the integrality of tunnel-liner.
The plate-shaped member is in spring template.
The connecting plate is prepared by armored concrete.Low in cost, preparation is convenient.
A kind of tunnel axial damping energy absorption device, comprising: two adjacent linings are axially divided into along tunnel for being arranged in
The energy-absorbing ontology between main structure is built, the energy-absorbing ontology is arranged to radially be in rigidity along tunnel, can axially produce along tunnel
Give birth to the relative displacement to absorb axial energy；
The energy-absorbing ontology by the hexagonal metal tubular element in several sections with cellular arrangement mode combines and
At；The side of the energy-absorbing ontology is plane, and is fixedly connected with the lining cutting main structure.The tubular part is configured as
It is axially directed to the radial direction in tunnel；With the combination of cellular arrangement mode between metal tubular element, axial displacement occurs in tunnel
When the structure the axial changing of the relative positions can occur, axial damping energy-absorbing is realized with this.Metal tubular element is in port towards upper in rigid
Property, therefore it is able to bear the radial pressure that country rock is applied, it ensure that the integrality of tunnel-liner.
The energy-absorbing ontology is fixedly connected by connecting plate with the lining cutting main structure.
A kind of tunnel lining structure with axial damping energy absorption device, wherein lining cutting main structure is axially divided along tunnel
Several lining elements are cut into, only pass through several institutes for being separated by setting spacing circumferentially arranged between the adjacent lining element
State the connection of tunnel axial damping energy absorption device.It, can be with by energy-absorbing ontology when tunnel axially bears the energy effect such as seismic wave
The energy propagated on axial direction is absorbed, the destruction to tunnel-liner is slowed down；At the same time, almost rigid in the radial direction in tunnel
Property, it is able to bear the radial pressure that country rock is applied, guarantees the integrality of tunnel-liner.
The setting spacing of the tunnel axial damping energy absorption device meets the following conditions: tunnel axial damping energy absorption device edge
Tunnel circumferential direction be uniformly distributed, and installation number minimum value should meet the requirement of tunnel overall radial integral rigidity, and maximum value should expire
Sufficient cost requirement and the requirement for being easy to construct with replacement.
The beneficial effects of the present invention are:
Axial damping energy absorption device in tunnel provided by the invention, since the rigidity characteristics of tunnel radial direction are without damaging tunnel
The ability of static load is integrally born in road lining cutting；Make tunnel that there is certain flexibility in axial direction, can be improved the deformation of tunnel axial push-pull
Shock resistance, and the derivative stress of phase caused by earthquake and Relative Displacement can be absorbed, there is good shock resisting effect,
To ensure that the safety of tunnel lining structure in seismic process；And device is easy for installation, easily replaces.
Detailed description of the invention
The invention will be further described with specific embodiment with reference to the accompanying drawing:
Fig. 1 is the axial section that axial damping energy absorption device in tunnel of the present invention installs and designs；
Fig. 2 is the radial cutaway view that axial damping energy absorption device in tunnel of the present invention installs and designs；
Fig. 3 is the side isometric view that axial damping energy absorption device in tunnel of the present invention installs and designs；
Fig. 4 a is the structural schematic diagram of building rubber compound shearing-type damping energy absorption device；
Fig. 4 b is the first motion state schematic diagram of building rubber compound shearing-type damping energy absorption device；
Fig. 4 c is the second motion state schematic diagram of building rubber compound shearing-type damping energy absorption device；
Fig. 5 is the mounting arrangements schematic diagram of honeycomb core pattern damping energy absorption device of the present invention；
Fig. 6 is the first mounting arrangements schematic diagram of spring template damping energy absorption device of the present invention；
Fig. 7 is second of mounting arrangements schematic diagram of spring template damping energy absorption device of the present invention.
Specific embodiment
Detailed description of embodiments of the present invention with reference to the accompanying drawing.
As shown in Figure 1, tunnel 1 is 10 deep tunnel of massif, by 1 lining cutting of tunnel in axial direction according to preset interval point
It cuts, each segmentation lining element 2A has been formed along the front/rear end 21,22 of tunnel axial direction by the connection of damping energy absorption device 3
Whole tunnel-liner is whole, such as Fig. 2, and shown in Fig. 3, damping energy absorption device 3 is according to certain angle interval along 1 cross section of tunnel circumferential direction
Placement.Tunnel axial damping energy absorption device is uniformly distributed along tunnel circumferential direction, and installation number minimum value should meet tunnel entirety
Radial integral rigidity requirement, the requirement that maximum value should meet cost requirement and be easy to construct with replacement.Pass through with reference to the accompanying drawing
Detailed description of embodiments of the present invention for three kinds of embodiments:
Embodiment one
Tunnel axial damping energy absorption device is directly connected to tunnel-liner main structure, and multiple groups device is according between certain angle
It is interposed between in tunnel-liner cross section in circumferentially distributed；Tunnel axial damping energy absorption device includes energy absorbing module and rigid connection
Plate；Energy absorbing module is in building rubber compound shearing-type, is alternateed and is formed by stacking by thin layer rubber and steel plate；Rigid connection plate be
L-type armoured concrete slab, totally two；Building rubber compound shearing-type energy absorbing module is folded by two L-types rigid connection plates
Layer direction both ends are bolted with tunnel-liner end face；Stack direction and tunnel are radially consistent when installation, with tunnel axial direction
Vertically.
Specifically: the energy absorbing module of damping energy absorption device 3 is building rubber compound shearing-type.As shown in Fig. 4 a- Fig. 4 c, subtract
Shake energy absorption device is made of building rubber compound shearing-type energy absorbing module 4A and rigid connection plate 5.
Building rubber compound shearing-type energy absorbing module 4A passes through steel plate 4a and the alternately laminated composition of thin rubber layers 4b, TR thin rubber
Layer 4b thickness be less than steel plate 4a thickness, therefore on stacking direction T almost rigidity, in stacking direction T vertical direction by
There is certain flexibility in the flexible characteristic of thin rubber layers 4b.
The plate 5 that is rigidly connected includes outer rigid connection plate 5A and interior rigid connection plate 5B, and China and foreign countries rigid connection plate 5A is located at
The first stack direction end 41 and lining element 2A of building rubber compound shearing-type energy absorbing module 4A is along tunnel axial direction first end face
21 sides, interior rigid connection plate 5B be located at the second stack direction end 42 of building rubber compound shearing-type energy absorbing module 4A with it is adjacent
Lining element 2A is along 22 side of tunnel axial direction second end face.
Rigid connection plate 5 is made of board member 51, and cross sectional shape is L-shaped, including main structure connecting plate 52 and energy-absorbing
Ontology connecting plate 53, is prepared by armored concrete.It is rigidly connected the main structure connecting plate 52 and lining element 2A's of plate 5
First end face 21, second end face 22 are connected, and energy-absorbing ontology connecting plate 53 passes through ring flange 4f and building rubber compound shearing-type energy
Stack direction end 41 of the absorption module 4A on stack direction T is connected；Above-mentioned connection type is to be bolted.
As shown in Fig. 2, installing multiple damping energy absorption devices 3, building rubber compound according to certain angle interval along tunnel 1 is circumferential
The stack direction T and tunnel 1 of shearing-type energy absorbing module 4A is radially consistent, axially vertical with tunnel 1, when tunnel occurs axially
When deformation, along thin rubber layers 4b the changing of the relative positions, therefore energy occur for the steel plate 4a in building rubber compound shearing-type energy absorbing module 4A
Absorption module 4 can absorb the energy propagated in tunnel 1, play the role of damping energy-absorbing along 1 axial deformation of tunnel, thus
Achieve the purpose that controlling tunnel-liner destroys；Building rubber compound shearing-type energy absorbing module 4A is almost rigid on stack direction T,
It is able to bear the radial pressure F3 that country rock 10 is applied, ensure that the integrality of tunnel-liner.
Embodiment two
Honeycomb core pattern damping energy absorption device is directly connected to tunnel-liner main structure, and multiple groups device is according between certain angle
It is interposed between in tunnel-liner cross section in circumferentially distributed.The energy absorbing module of honeycomb core pattern damping energy absorption device is honeycomb core pattern.
As shown in figure 5, honeycomb core pattern damping energy absorption device is by honeycomb core pattern energy absorbing module 4B and rigid connection board group at honeycomb core
Type energy absorbing module 4B is in honeycomb core pattern, by 43 port of multiple groups hexagonal metal tube towards the same side, back-to-back symmetric arrays group
It closes；Honeycomb core pattern energy absorbing module 4B passes through 43 length direction side of hexagonal metal tube and the end face tunnel-liner unit 2A
21,22 connections.Connection type is to connect with concrete direct-coupling or by rigid connection plate connection.Rigid connection plate is plate
Steel bar concrete slab, totally two.
As shown in figure 5, there is honeycomb core pattern energy absorption mould according to certain intervals installation is multiple along 1 circumferencial direction of tunnel
The damping energy absorption device of block 4B.The honeycomb core pattern port energy absorbing module 4B is towards tunnel radial 44 and axially vertical with tunnel 1,
So that energy absorbing module 4B can be deformed along 1 axial direction of tunnel, the propagation of energy in tunnel-liner 1 is controlled, plays and subtracts
The effect of energy-absorbing is shaken, to achieve the purpose that controlling tunnel-liner destroys.Hexagonal metal tube 43 port towards it is upper in rigidity, because
This is able to bear the radial pressure F3 (Fig. 2) that country rock 10 is applied, and ensure that the integrality of tunnel-liner.
Embodiment three
Spring template damping energy absorption device is directly connected to tunnel-liner main structure, and multiple groups device is according between certain angle
It is interposed between in tunnel-liner cross section in circumferentially distributed；Damping energy absorption device is by energy absorbing module and rigid connection board group at energy
Measuring absorption module is in spring template；Rigid connection plate be plate armoured concrete slab, totally two；Spring template energy absorption mould
Its telescopic direction both ends is bolted by block by two rigid connection plates with tunnel-liner end face；Telescopic direction when installation
It is axially consistent with tunnel.
The energy absorbing module of damping energy absorption device is spring template energy absorbing module 4C.Such as Fig. 6, shown in Fig. 7, spring
Template damping energy absorption device is made of spring template energy absorbing module 4C and rigid connection plate 4g, and energy absorbing device 4Cc is in
Spring template, by can the latch plate of tension and compression deformation constitute；The both ends of the surface in the stretchable direction of spring template energy absorbing module 4C
The end face 21,22 that 4e passes through rigid connection plate 4g and adjacent two lining elements 2A respectively connects, and connection type is to be bolted.
Such as Fig. 6, shown in Fig. 7, multiple damping energy absorption devices, spring are installed according to certain intervals along 1 circumferencial direction of tunnel
Template energy absorbing module 4C telescopic direction (extending direction Y1 and compression direction Y2) and tunnel 1 are axial consistent, bending direction Z with
Tunnel 1 is axially vertical, with the radially consistent arrangement (Fig. 6) of lining cutting or with the circumferential tangent arrangement (Fig. 7) of lining cutting, so as to spring template energy
Amount absorption module 4C can be deformed along 1 axial direction of tunnel, controlled the propagation of energy in tunnel-liner 1, played damping energy-absorbing
Effect, thus achieve the purpose that control tunnel-liner destroy.Latch plate is radially in rigidity characteristics in tunnel, is able to bear and encloses
The radial pressure F3 (Fig. 2) that rock 10 is applied, ensure that the integrality of tunnel-liner.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
A variety of modifications of embodiment will be readily apparent to those skilled in the art, it is as defined herein general
Principle can be realized in other embodiments without departing from the spirit or scope of the present invention, not be described in detail
Part, be the prior art, herein without repeating.Therefore, the present invention is not intended to be limited to these implementations shown in this article
Example, and it is to fit to the widest scope consistent with principles disclosed herein and feature.
Claims (9)
1. a kind of tunnel axial damping energy absorption device characterized by comprising for connecting energy-absorbing ontology and along tunnel axial direction quilt
It is divided into two connectors of adjacent lining cutting main structure；Wherein,
The energy-absorbing ontology is arranged to radially be in rigidity along tunnel, axially can produce the phase to absorb axial energy along tunnel
To displacement；
The energy-absorbing ontology is formed by rigid material layer and elastomeric layer are stacked；The connector includes energy-absorbing ontology connecting plate
With main structure connecting plate；The energy-absorbing ontology connecting plate is used for along tunnel-side parallel arrangement and normal is directed toward the diameter in tunnel
To inside connects the energy-absorbing ontology；The main structure connecting plate and the energy-absorbing ontology connecting plate are rigidly connected, and are used for
It is fixedly connected with the adjacent lining cutting main structure.
2. a kind of tunnel axial damping energy absorption device according to claim 1, it is characterised in that: the elastomeric layer is
Rubber layer, the rigid material layer are steel plate.
3. a kind of tunnel axial damping energy absorption device, it is characterised in that: include: for connecting energy-absorbing ontology and along tunnel axial direction quilt
It is divided into two connectors of adjacent lining cutting main structure；Wherein,
The energy-absorbing ontology is arranged to radially be in rigidity along tunnel, axially can produce the phase to absorb axial energy along tunnel
To displacement；
The energy-absorbing ontology is plate-shaped member, is equipped with the bending to realize length displacement deposit perpendicular to tunnel axial direction；
Two connectors are flat components, the opposed two sides for being fixed on the plate-shaped member.
4. a kind of tunnel axial damping energy absorption device according to claim 3, it is characterised in that: the plate-shaped member is in bullet
Spring template.
5. a kind of tunnel axial damping energy absorption device according to claim 3 or 4, it is characterised in that: the connecting plate by
Armored concrete is prepared.
6. a kind of tunnel axial damping energy absorption device, comprising: be axially divided into two adjacent lining cutting along tunnel for being arranged in
Energy-absorbing ontology between main structure, the energy-absorbing ontology are arranged to radially be in rigidity along tunnel, axially can produce along tunnel
To absorb the relative displacement of axial energy；
The energy-absorbing ontology is composed of the hexagonal metal tubular element in several sections with cellular arrangement mode；Institute
The side for stating energy-absorbing ontology is plane, and is fixedly connected with the lining cutting main structure.
7. a kind of tunnel axial damping energy absorption device according to claim 6, it is characterised in that: the energy-absorbing ontology passes through
Connecting plate is fixedly connected with the lining cutting main structure.
8. a kind of tunnel lining structure with axial damping energy absorption device, it is characterised in that: liner structure is along tunnel axial direction quilt
Several lining cutting main structures are divided into, are only separated by between setting by what is circumferentially arranged between the adjacent lining cutting main structure
Away from several axial damping energy absorption devices in tunnel as claimed in claim 1 connections.
9. a kind of tunnel lining structure with axial damping energy absorption device according to claim 8, it is characterised in that: institute
The setting spacing for stating tunnel axial damping energy absorption device meets the following conditions: tunnel axial damping energy absorption device is along tunnel circumferential direction
It is uniformly distributed, installation number minimum value meets the requirement of tunnel overall radial integral rigidity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611050285.5A CN106593464B (en) | 2016-11-24 | 2016-11-24 | A kind of tunnel axial damping energy absorption device and the tunnel lining structure with the device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611050285.5A CN106593464B (en) | 2016-11-24 | 2016-11-24 | A kind of tunnel axial damping energy absorption device and the tunnel lining structure with the device |
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| CN106593464A CN106593464A (en) | 2017-04-26 |
| CN106593464B true CN106593464B (en) | 2019-05-21 |
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| CN201611050285.5A Expired - Fee Related CN106593464B (en) | 2016-11-24 | 2016-11-24 | A kind of tunnel axial damping energy absorption device and the tunnel lining structure with the device |
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| CN107326927B (en) * | 2017-07-31 | 2023-09-29 | 金陵科技学院 | Shock-absorbing underground pipeline tunnel and construction method thereof |
| CN108252721B (en) * | 2018-01-11 | 2019-12-03 | 北京工业大学 | A kind of anti-disconnected hinged tunnel of type and its application for passing through Active Fault Area |
| CN109812279B (en) * | 2019-01-29 | 2023-09-26 | 天津大学 | Shock insulation duct piece for shield tunnel |
| CN110529143B (en) * | 2019-09-25 | 2021-04-23 | 浙江海洋大学 | Component for enhancing shock resistance of tunnel |
| CN110552722B (en) * | 2019-10-12 | 2020-09-29 | 黄河勘测规划设计研究院有限公司 | Fabricated reinforcement cage construction method for rapid tunnel lining |
| CN112031808B (en) * | 2020-09-11 | 2022-03-22 | 广州大学 | Connecting device for fixing tunnel and shock insulation tunnel |
| CN112780302B (en) * | 2021-01-22 | 2021-11-05 | 中山大学 | Tunnel energy-consumption supporting structure and construction method |
| CN113482667A (en) * | 2021-08-19 | 2021-10-08 | 重庆交通大学 | Tunnel steel frame connecting device adapting to two-way deformation |
| CN113982632A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting structure |
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| CN103016022A (en) * | 2012-12-26 | 2013-04-03 | 浙江省交通规划设计研究院 | Self-adaptation joint for deformation joint and application of self-adaptation joint for deformation joint |
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