CN108678770A - A kind of first lining process and structure suitable for large deformation tunnel - Google Patents
A kind of first lining process and structure suitable for large deformation tunnel Download PDFInfo
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- CN108678770A CN108678770A CN201810512283.6A CN201810512283A CN108678770A CN 108678770 A CN108678770 A CN 108678770A CN 201810512283 A CN201810512283 A CN 201810512283A CN 108678770 A CN108678770 A CN 108678770A
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- steel arch
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- shelf
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 106
- 239000010959 steel Substances 0.000 claims abstract description 106
- 239000004567 concrete Substances 0.000 claims abstract description 32
- 239000011381 foam concrete Substances 0.000 claims abstract description 23
- 239000011378 shotcrete Substances 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000011435 rock Substances 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 17
- 239000010410 layer Substances 0.000 claims description 11
- 230000008093 supporting effect Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- 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
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
This application discloses a kind of first lining process and structure suitable for large deformation tunnel, lining methods include installation U-shaped steel arch unit and form annular steel arch-shelf；Foam concrete block is longitudinally performed along tunnel as deformation block, and the three-dimensional glass fibrous interlayer perpendicular to compression direction is equipped in the foam concrete block；To tunnel inner wall gunite concrete spray-up；When tunnel, crimp circumferentially reaches setting value, the radius of curvature in the cam and the inner surface contact direction turns to maximum position, and holds out against the recess portion inner surface of the U-shaped steel arch unit and continue to relatively move between the U-shaped steel arch unit to limit.
Description
Technical field
The invention belongs to tunneling technique field, more particularly to a kind of first lining process and structure suitable for large deformation tunnel.
Background technology
With the continuous development of the infrastructure constructions such as China's traffic, water conservancy, more and more high ground stress soft rock stress tunnels
It needs to build.High ground stress soft rock stress tunnel is susceptible to larger crimp, by taking famous Wuqiaoling tunnel as an example, logical
During passing fault crushed zone, the average deflection of country rock has reached 0.5-0.6m, about the 10% of tunnel excavation radius.Tunnel
Road supporting practice shows the combined supporting scheme of traditional shotcrete lining+I-steel, when squeezing large deformation generation,
It is easy to appear the distortions of Lining cracks and steel arch-shelf, cannot play good supporting effect.Cause a weight of above-mentioned consequence
When wanting reason, the deformability of gunite concrete+I-steel combined supporting scheme is limited, when it when its deflection reaches 1-2%
When, it is possible to generate cracking and the destruction of shotcrete lining.Therefore, in squeezing large deformation tunnel, to prevent lining cutting knot
The destruction of structure needs the deformability for improving lining cutting.
Invention content
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of first lining that can be suitable for large deformation tunnel
Scheme.
In a first aspect, the embodiment of the present application provides a kind of first lining process suitable for large deformation tunnel, including following step
Suddenly：
Installation U-shaped steel arch unit simultaneously forms annular steel arch-shelf, and specific connection type is：The adjacent U-shaped steel arch unit
It is stacked at tie point, is equipped with the steel arch frame connector what the stacked place surrounded, the steel arch frame connector includes pair
First set surrounds section and second surrounds section, and the described first the first inner wall for surrounding section abuts the U-shaped steel arch list of top
At least part of top surface of member, first inner wall are equipped with protrusion, and the protrusion is equipped with cam, the cam
The recess portion inner surface sliding contact of outer rim and the U-shaped steel arch unit, the described second the second inner wall for surrounding section abut lower section
The U-shaped steel arch unit at least part of bottom surface, it is described first encirclement section and it is described second encirclement section between be equipped with
Fastener realizes clamping and company of the arch connector to the adjacent steel arch-shelf unit by adjusting the fastener
It connects；
Foam concrete block is longitudinally performed along tunnel as deformation block, is equipped with perpendicular to compression direction in the foam concrete block
Three-dimensional glass fibrous interlayer；
To tunnel inner wall gunite concrete spray-up；
When tunnel, crimp circumferentially reaches setting value, the radius of curvature of the cam and inner surface contact direction
Turn to maximum position, and hold out against the recess portion inner surface of the U-shaped steel arch unit to limit the U-shaped steel arch unit it
Between continue to relatively move.
In some embodiments of the application, first lining process further includes carrying out suspension roof support, and spray to exposed country rock
First pneumatically placed concrete layer, the thickness for spraying the just pneumatically placed concrete layer is 5-10cm.
In some embodiments of the application, the spacing for installing the adjacent annular steel arch-shelf is controlled in 0.5-1.0m.
In some embodiments of the application, when performing the deformation block, the thickness of the deformation block is 5-30cm.
In some embodiments of the application, when spraying the concrete spray coating to tunnel inner wall, the annular steel is avoided
Arch and the deformation block.
In some embodiments of the application, when tunnel, crimp circumferentially reaches the setting value, emphasis needle
To carrying out the multiple spray of gunite concrete at the tie point of the U-shaped steel arch unit.
Second aspect, the embodiment of the present application also provides a kind of first lining structures suitable for large deformation tunnel, including annular
Steel arch-shelf, deformation block and concrete spray coating, wherein：
The annular steel arch-shelf is circumferentially spliced by several U-shaped steel arch units, and the adjacent U-shaped steel arch unit exists
It is stacked at tie point, is equipped with the steel arch frame connector what the stacked place surrounded, the steel arch frame connector includes opposed
First surround section and second surround section, it is described first surround section the first inner wall abut top the U-shaped steel arch unit
At least part of top surface, first inner wall is equipped with protrusion, and the protrusion is equipped with cam, the cam it is outer
The recess portion inner surface sliding contact of edge and the U-shaped steel arch unit, described second surrounds the second inner wall of section against lower section
At least part of bottom surface of the U-shaped steel arch unit, described first, which surrounds section and described second, surrounds between section equipped with tight
Firmware realizes clamping and connection of the arch connector to the adjacent steel arch-shelf unit by adjusting the fastener；
The deformation block is foam concrete block, and the three-dimensional glass fibre perpendicular to compression direction is equipped in the foam concrete block
Tie up interlayer；
The concrete spray coating is filled in its complementary space that tunnel just serves as a contrast；
When tunnel, crimp circumferentially reaches setting value, the radius of curvature of the cam and inner surface contact direction
The maximum position that can be turned to is turned to, and holds out against the recess portion inner surface of the U-shaped steel arch unit to limit the U-shaped steel
Continue to relatively move between arch unit.
In some embodiments of the application, the just lining structure further includes suspension roof support structure, and is located at the annular
First pneumatically placed concrete layer on the inside of steel arch-shelf, deformation block and concrete spray coating.
In some embodiments of the application, the steel arch frame connector is located near the deformation block, can be more
Be conducive to the compression of structure.
In some embodiments of the application, connected by multiple steel arch-shelfs between the adjacent steel arch-shelf unit
Part connects jointly.
First lining scheme provided by the embodiments of the present application suitable for large deformation tunnel, since gunite concrete is by hydrated cementitious
The influence of effect, intensity is relatively low in place of injection, needs to get to intensity requirement in 1-2 days, and by the shadow of deformation block
It rings, the supporting power provided is relatively small.And annular steel arch-shelf is in surrouding rock deformation initial period, due to can circumferentially generate change
Shape, the setting of cooperative transformation block, therefore country rock can allow for discharge certain deformation energy.When country rock discharges deformation energy, deformation
Moderate finite deformation can occur for foam concrete in the block, and the three-dimensional glass fiber in foam concrete block, then can increase
The ductility of strong foam concrete, improves mechanical characteristic behind its peak.
When surrouding rock deformation can discharge to a certain extent, if country rock continues deformation and rock mass internal structure will be made to change,
To make stress deteriorate.In junction self-locking occurs for U-shaped steel arch unit in annular steel arch-shelf at this time, can provide timely stabilization
Supporting power, and be conducive to the integrality of concrete spray coating, be conducive to the performance of concrete spray coating mechanical property.After self-locking
The deformation block that mechanical characteristic is significantly improved behind annular steel arch-shelf, concrete spray coating and peak acts synergistically together, can be more preferable
Control country rock large deformation, prevent that cave in accident occurs because supporting power is insufficient.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the tunnel support cross-sectional view of the embodiment of the present application；
Fig. 2 shows deformation block position skiagraphs in the embodiment of the present application；
Fig. 3 shows deformation block vertical section detail drawing in the embodiment of the present application；
Fig. 4 shows the structure chart of steel arch frame connector in the embodiment of the present application.
1, first section is surrounded, 2, second surrounds section, and 3, top surface, 4, protrusion, 5, cam, 6, recess portion inner surface, 7, the
One inner wall, the 8, second inner wall, 10, deformation block, 11, steel arch-shelf, 12, concrete spray coating, 13, top steel arch-shelf unit, 14, lower section
Steel arch-shelf unit, 15, anchor pole, 16, first pneumatically placed concrete layer, 17, steel arch frame connector, 18, three-dimensional glass fibrous interlayer, 19, bubble
Foam concrete block.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear, complete description.Obviously, described embodiment is
A part of the invention is instead of all the embodiments.For ease of description, it is illustrated only in attached drawing and invents relevant part.
It should be noted that in the absence of conflict, the embodiment of the present invention for usually describing and showing in this figure
Component can arrange and design with a variety of different configurations.It is understood that specific embodiment described herein is only
It is only used for explaining related invention, rather than the restriction to the invention.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, belong to " setting ",
" connection " should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or integrated connection；Can be
Mechanical connection can also be electrical connection；Can be directly connected to, can also be indirectly connected with by intermediary, can be two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
Referring to FIG. 1, it illustrates the liner structure provided by the embodiments of the present application suitable for large deformation tunnel, including anchor
Bar 15, annular steel arch-shelf 11, deformation block 10 and concrete spray coating 12, wherein：
The annular steel arch-shelf 11 is circumferentially spliced by several U-shaped steel arch units, the adjacent U-shaped steel arch unit
It is stacked at tie point, is equipped with the steel arch frame connector 17 what the stacked place surrounded, the steel arch frame connector includes
Opposed first surrounds section 1 and second and surrounds section 2, and the described first the first inner wall 7 for surrounding section 1 abuts top steel arch-shelf unit 13
At least part of top surface 3, first inner wall 7 be equipped with protrusion 4, the protrusion 4 be equipped with cam 5, it is described convex
6 sliding contact of recess portion inner surface of the outer rim and the U-shaped steel arch unit of wheel 5, described second surrounds the second inner wall 8 of section 2
Against at least part of bottom surface of lower section steel arch-shelf unit 14, set between the first encirclement section 1 and the second encirclement section 2
There is fastener, clamping and company of the arch connector to the adjacent steel arch-shelf unit are realized by adjusting the fastener
It connects.
The structure of steel arch frame connector is simple, with intensity is high, rigidity is larger, working resistance is stable, shaped steel sliding is steady
The advantages that, when mutually overlapped shaped steel generates mutual sliding because of stress when, cam 5 is connect due to itself and shaped steel recess portion inner surface 6
It touches generated frictional force and rotates therewith.Since the radius of curvature of cam 5 gradually changes, after cam 5 rotates, cam 5 and type
More more crowded tighter between steel recess portion inner surface 6, because pressure is increasing, thus the resistance to sliding of generated frictional force, that is, shaped steel is fast
Speed increases.When cam 5 turns to the maximum position that can be turned to the sliding of shaped steel, the resistance to sliding of shaped steel reaches therewith
To maximum value.Thereafter, with the increase of Tunnel Pressure, shaped steel continuation is compressed, but the resistance to sliding of shaped steel remains unchanged, holder
It works under constant-resistance state.
The deformation block 10 includes foam concrete block 19, is equipped in the foam concrete block 19 vertical with compression direction
Three-dimensional glass fibrous interlayer 18；The concrete spray coating 12 is filled in its complementary space that tunnel just serves as a contrast；When tunnel circumferentially
When crimp reaches setting value, the cam 5 and the radius of curvature in inner surface contact direction turn to maximum position, and
It holds out against the recess portion inner surface 6 of the U-shaped steel arch unit and continues to occur opposite move between the U-shaped steel arch unit to limit
It is dynamic.
The just lining structure further includes the first spray for being located at 12 inside of the annular steel arch-shelf, deformation block 10 and concrete spray coating
Concrete layer 16.The spacing of the adjacent annular steel arch-shelf is 0.5-1.0m.The thickness of the deformation block 10 is 5-30cm.
The above-mentioned shotcrete layer for being mounted with deformation block 10, when large deformation occurs for country rock, deformation block 10 will be with enclosing
The deformation of rock and deform, to increase the deformability of shotcrete layer.The deformation block 10 is according to country rock load along tunnel
Circumferential distribution situation arrangement.Generally it is symmetrical arranged at the vault in tunnel, spandrel and haunch.The size of deformation block 10
It should be configured according to the large deformation ability of country rock, generally 5-30cm is advisable.
Steel arch-shelf can ensure to deform with the deformation of country rock, and can provide stable supporting power.
The work progress at above-mentioned supporting construction scene is as follows：
（1）After tunnel excavation, first layer construction of shotcrete is carried out, jet thickness 5-10cm, the country rock made shows smooth；
（2）Steel arch-shelf is installed, and the clipping room of steel arch-shelf is away from control in the range of 0.5-1.0m；
（3）The installation and fixation of foam concrete block are equipped with three-dimensional glass fibrous interlayer in foam concrete block.Foam concrete
Setscrew may be used in block or steel plate is fixed, the quantity of foam concrete block, should be determined according to serious deformation magnitude,
The length of single foam concrete block controls within the scope of 5-20cm；
（4）Construction of shotcrete, in work progress it should be noted that cannot by steel arch-shelf connector, the protection of foam concrete block,
Prevent it from losing compression deformation ability；
（5）When the extrusion deformation degree in tunnel reaches design studies, carries out gunite concrete and spray again, to foam concrete block, steel
The compressible joint location of arch carries out emphasis and sprays again, so that it is lost deformability, so that compressible lining cutting is become can not contracting lining cutting knot
Structure improves lining cutting rigidity, prevents country rock from continuing to deform.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of first lining process suitable for large deformation tunnel, which is characterized in that include the following steps：
Installation U-shaped steel arch unit simultaneously forms annular steel arch-shelf, and specific connection type is：The adjacent U-shaped steel arch unit
It is stacked at tie point, is equipped with the steel arch frame connector what the stacked place surrounded, the steel arch frame connector includes pair
First set surrounds section and second surrounds section, and the described first the first inner wall for surrounding section abuts the U-shaped steel arch list of top
At least part of top surface of member, first inner wall are equipped with protrusion, and the protrusion is equipped with cam, the cam
The recess portion inner surface sliding contact of outer rim and the U-shaped steel arch unit, the described second the second inner wall for surrounding section abut lower section
The U-shaped steel arch unit at least part of bottom surface, it is described first encirclement section and it is described second encirclement section between be equipped with
Fastener realizes clamping and company of the arch connector to the adjacent steel arch-shelf unit by adjusting the fastener
It connects；
Foam concrete block is longitudinally performed along tunnel as deformation block, is equipped with perpendicular to compression direction in the foam concrete block
Three-dimensional glass fibrous interlayer；
To tunnel inner wall gunite concrete spray-up, when tunnel, crimp circumferentially reaches setting value, the cam and institute
The radius of curvature for stating inner surface contact direction turns to maximum position, and holds out against the recess portion inner surface of the U-shaped steel arch unit
Continue to relatively move between the U-shaped steel arch unit to limit.
2. the first lining process according to claim 1 suitable for large deformation tunnel, which is characterized in that further include carrying out anchor pole
Supporting, and to the exposed first pneumatically placed concrete layer of country rock injection, the thickness for spraying the just pneumatically placed concrete layer is 5-10cm.
3. the first lining process according to claim 1 suitable for large deformation tunnel, which is characterized in that install adjacent described
The spacing of annular steel arch-shelf is controlled in 0.5-1.0m.
4. the first lining process according to claim 1 suitable for large deformation tunnel, which is characterized in that perform the deformation block
When, the thickness of the deformation block is 5-30cm.
5. the first lining process according to claim 1 suitable for large deformation tunnel, which is characterized in that sprayed to tunnel inner wall
When the concrete spray coating, the annular steel arch-shelf and the deformation block are avoided.
6. the first lining process according to claim 1 suitable for large deformation tunnel, which is characterized in that when tunnel circumferentially
When crimp reaches the setting value, emphasis is directed at the tie point of the U-shaped steel arch unit and carries out injection coagulation
The multiple spray of soil.
7. a kind of first lining structure suitable for large deformation tunnel, which is characterized in that including annular steel arch-shelf, deformation block and concrete
Spray-up, wherein：
The annular steel arch-shelf is circumferentially spliced by several U-shaped steel arch units, and the adjacent U-shaped steel arch unit exists
It is stacked at tie point, is equipped with the steel arch frame connector what the stacked place surrounded, the steel arch frame connector includes opposed
First surround section and second surround section, it is described first surround section the first inner wall abut top the U-shaped steel arch unit
At least part of top surface, first inner wall is equipped with protrusion, and the protrusion is equipped with cam, the cam it is outer
The recess portion inner surface sliding contact of edge and the U-shaped steel arch unit, described second surrounds the second inner wall of section against lower section
At least part of bottom surface of the U-shaped steel arch unit, described first, which surrounds section and described second, surrounds between section equipped with tight
Firmware realizes clamping and connection of the arch connector to the adjacent steel arch-shelf unit by adjusting the fastener；
The deformation block is foam concrete block, and the three-dimensional glass fibre perpendicular to compression direction is equipped in the foam concrete block
Tie up interlayer；
The concrete spray coating is filled in its complementary space that tunnel just serves as a contrast；
When tunnel, crimp circumferentially reaches setting value, the radius of curvature of the cam and inner surface contact direction
Turn to maximum position, and hold out against the recess portion inner surface of the U-shaped steel arch unit to limit the U-shaped steel arch unit it
Between continue to relatively move.
8. the first lining structure according to claim 7 suitable for large deformation tunnel, which is characterized in that the just lining structure is also
Including suspension roof support structure, and the first pneumatically placed concrete layer on the inside of the annular steel arch-shelf, deformation block and concrete spray coating.
9. the first lining structure according to claim 7 suitable for large deformation tunnel, which is characterized in that the steel arch-shelf connection
Part is located near the deformation block.
10. the first lining structure according to claim 7 suitable for large deformation tunnel, which is characterized in that the adjacent steel
It is connected jointly by multiple steel arch frame connectors between arch unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512283.6A CN108678770B (en) | 2018-05-25 | 2018-05-25 | A kind of first lining process and structure suitable for large deformation tunnel |
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|---|---|---|---|
| CN201810512283.6A CN108678770B (en) | 2018-05-25 | 2018-05-25 | A kind of first lining process and structure suitable for large deformation tunnel |
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| CN108678770A true CN108678770A (en) | 2018-10-19 |
| CN108678770B CN108678770B (en) | 2019-05-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109973124A (en) * | 2019-03-29 | 2019-07-05 | 中国科学院武汉岩土力学研究所 | A kind of tension and compression conversion constant-resistance allows pressure device |
| CN111305875A (en) * | 2020-03-02 | 2020-06-19 | 重庆交通大学 | Foam concrete yielding support structure for extruded large-deformation tunnel and construction method |
| CN111550267A (en) * | 2020-05-26 | 2020-08-18 | 中山大学 | Tunnel primary support structure and construction method |
| CN112377220A (en) * | 2020-11-30 | 2021-02-19 | 华侨大学 | Deformation control device for tunnel with ultra-large section and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973124A (en) * | 2019-03-29 | 2019-07-05 | 中国科学院武汉岩土力学研究所 | A kind of tension and compression conversion constant-resistance allows pressure device |
| CN111305875A (en) * | 2020-03-02 | 2020-06-19 | 重庆交通大学 | Foam concrete yielding support structure for extruded large-deformation tunnel and construction method |
| CN111550267A (en) * | 2020-05-26 | 2020-08-18 | 中山大学 | Tunnel primary support structure and construction method |
| CN111550267B (en) * | 2020-05-26 | 2021-04-30 | 中山大学 | Tunnel primary support structure and construction method |
| CN112377220A (en) * | 2020-11-30 | 2021-02-19 | 华侨大学 | Deformation control device for tunnel with ultra-large section and use method |
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| CN108678770B (en) | 2019-05-31 |
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