CN108894801A - The impervious structure of high-pressure water-rich solution cavity of tunnel section supporting and construction method - Google Patents
The impervious structure of high-pressure water-rich solution cavity of tunnel section supporting and construction method Download PDFInfo
- Publication number
- CN108894801A CN108894801A CN201810725233.6A CN201810725233A CN108894801A CN 108894801 A CN108894801 A CN 108894801A CN 201810725233 A CN201810725233 A CN 201810725233A CN 108894801 A CN108894801 A CN 108894801A
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- lining
- secondary lining
- preliminary bracing
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- 238000010276 construction Methods 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 56
- 239000010959 steel Substances 0.000 claims description 56
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000004567 concrete Substances 0.000 claims description 11
- 239000011378 shotcrete Substances 0.000 claims description 9
- 239000004746 geotextile Substances 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 230000001568 sexual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (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 invention discloses a kind of impervious structures of high-pressure water-rich solution cavity of tunnel section supporting, including the double-deck preliminary bracing, first layer waterproof construction and the double deck double lining masonry set gradually circumferential in high-pressure water-rich solution cavity section, and the impervious distance piece in the setting of high-pressure water-rich solution cavity section both ends；Double deck double lining masonry is made of first layer secondary lining and second layer secondary lining, and the construction joint of the two mutually staggers to form second layer waterproof construction；Impervious distance piece adds secondary lining, and the closely connected preliminary bracing of secondary lining using preliminary bracing.Meanwhile the invention also discloses a kind of impervious construction methods of high-pressure water-rich solution cavity of tunnel section supporting.Not only it can ensure that the structural strength of molten chamber section resisted molten chamber high hydraulic pressure enough, but also can prevent from damaging the normal supporting section other than molten chamber section when molten chamber section generation gushing water dashes forward mud.
Description
Technical field
The present invention relates to constructing tunnel technique, in particular to a kind of safe construction method of high-pressure water-rich solution cavity section can
Ensure that the structural strength of molten chamber section resists molten chamber high hydraulic pressure enough, and can prevent when molten chamber section generation gushing water dashes forward mud, to molten
Normal supporting section other than chamber section damages.
Background technique
Now currently, generalling use the mode of curtain-grouting when constructing to molten chamber tunnel to ensure molten chamber section country rock
Stability prevents molten chamber section from seeping water.But for high-pressure water-rich solution cavity, curtain-grouting structure cannot still resist molten chamber hydraulic pressure
Power, and when generation gushing water dashes forward mud, great damage will also result in the normal supporting section other than molten chamber section.
Summary of the invention
In view of the above technical problems, the present invention is intended to provide a kind of impervious structure of high-pressure water-rich solution cavity of tunnel section supporting, both
It can ensure that the structural strength of molten chamber section resists molten chamber high hydraulic pressure enough, and can prevent when molten chamber section generation gushing water dashes forward mud, it is right
Normal supporting section other than molten chamber section damages.
For this purpose, the technical scheme adopted by the invention is as follows：A kind of impervious structure of high-pressure water-rich solution cavity of tunnel section supporting, including
The circumferential double-deck preliminary bracing, first layer waterproof construction and the double deck double lining masonry set gradually in high-pressure water-rich solution cavity section, with
And the impervious distance piece in the setting of high-pressure water-rich solution cavity section both ends；The bilayer preliminary bracing is by first layer preliminary bracing and the
Two layers of preliminary bracing composition, the first layer preliminary bracing and second layer preliminary bracing are all made of loopful steel arch-shelf gunite concrete
Circular annular form structure；The first layer waterproof construction includes the loopful along the circular annular form structure setting of the double-deck preliminary bracing
Splash guard and geotextiles, and post rubber fastening band outside construction joint and deformation joint and add galvanized steel plain sheet waterstop；The bilayer
Secondary lining is made of first layer secondary lining and second layer secondary lining, the first layer secondary lining and the secondary lining of the second layer
The circular annular form structure for being all made of reinforcing bar binding casting concrete is built, and the construction joint of first layer secondary lining and the second layer are secondary
The construction joint of lining cutting mutually staggers, and forms second layer waterproof construction；The impermeability distance piece adds secondary lining using preliminary bracing
It builds, and the closely connected preliminary bracing of secondary lining.
The first layer, second layer loopful steel arch-shelf are circumferential by arc H profile steel unit respectively as a preferred embodiment of the above solution,
It is spliced, wherein top half is formed by the consistent arc H profile steel unit spliced of three block sizes altogether, and lower half portion is altogether by five pieces
Arc H profile steel unit spliced of the same size forms, and adjacent H profile steel unit passes through the more steel that circumferential spacing is 1.0m -1.4m
Muscle is connected；Along the extending direction of high-pressure water-rich solution cavity section, consecutive first layer, second layer loopful steel arch-shelf spacing be 0.4m-
0.6m.Optimize the structure type and arrangement of first layer, second layer loopful steel arch-shelf, and uses lower half portion H profile steel unit
Connecting method more, top half H profile steel unit is few further increases the structural strength of the double-deck preliminary bracing.
Further, the length of the impervious distance piece is at least 18m.
Meanwhile the present invention also provides a kind of impervious construction method of high-pressure water-rich solution cavity of tunnel section supporting, the high pressure is rich
After the completion of water-soluble chamber section is excavated using CRD, carry out according to the following steps：
Step 1 carries out the construction of the double-deck preliminary bracing；
First layer preliminary bracing construction is first carried out, sequence of construction is：Just pneumatically placed concrete is carried out, first layer loopful steel arch is set up
Frame is simultaneously installed in place, and carries out first layer loopful steel arch-shelf construction of shotcrete；
Second layer preliminary bracing construction is carried out again, and sequence of construction is：Set up second layer loopful steel arch-shelf and be installed in place, into
Row second layer loopful steel arch-shelf construction of shotcrete；
Wherein, first layer preliminary bracing and second layer preliminary bracing are circular annular form structure；
First layer waterproof construction is arranged in step 2 in the early stage between supporting and secondary lining：Along the double-deck preliminary bracing
The loopful splash guard and geotextiles of circular annular form structure setting, and add in construction joint and deformation joint outer patch rubber fastening band zinc-plated
Steel plate water stopper；
Step 3 carries out the construction of double deck double lining masonry；
First layer Second Lining Construction is first carried out, sequence of construction is：The binding of first layer secondary lining reinforcing bar is carried out, is recycled
The concreting of lining trolley progress first layer secondary lining reinforcing bar；
Second layer Second Lining Construction is carried out again, and sequence of construction is：The binding of second layer secondary lining reinforcing bar is carried out, is recycled
The concreting of lining trolley progress second layer secondary lining reinforcing bar；
Wherein, the construction joint of the construction joint and second layer secondary lining of the first layer secondary lining mutually staggers, and is formed
Second layer waterproof construction；First layer secondary lining and second layer secondary lining are circular annular form structure；
Impervious distance piece is arranged at high-pressure water-rich solution cavity section both ends in step 4, and the impermeability distance piece carries out initial stage
After supporting, secondary lining is directly carried out, the closely connected preliminary bracing of secondary lining is made.
Beneficial effects of the present invention：Preliminary bracing and secondary lining are all made of double-layer structure, and be incorporated in preliminary bracing with
The construction joint of the first layer waterproof construction and first layer secondary lining that are arranged between secondary lining and second layer secondary lining
Construction joint mutually staggers the second layer waterproof construction to be formed, and can preferably resist the high hydraulic pressure of high-pressure water-rich solution cavity section；In high pressure
The impervious distance piece that is made of the closely connected preliminary bracing of secondary lining is arranged in rich water molten chamber section both ends, by high-pressure water-rich solution cavity section with
Normal supporting section is kept apart, and the prominent mud of gushing water such as occurs, and can only be damaged to the lining cutting within two impervious distance pieces, will not
Normal supporting section other than molten chamber section is damaged.
Detailed description of the invention
Fig. 1 is of the invention to be longitudinally arranged simple diagram.
Fig. 2 is the simple diagram of the double-deck preliminary bracing of the invention.
Fig. 3 is the simple diagram of double deck double lining masonry of the invention.
Specific embodiment
By way of example and in conjunction with the accompanying drawings, the invention will be further described：
In conjunction with shown in Fig. 1-Fig. 3, a kind of impervious structure of high-pressure water-rich solution cavity of tunnel section supporting, mainly by high-pressure water-enriched
The circumferential double-deck preliminary bracing, first layer waterproof construction and the double deck double lining masonry set gradually in molten chamber section A, and in high pressure richness
The impervious distance piece B composition of the water-soluble both ends chamber section A setting.
As shown in Fig. 2, the double-deck preliminary bracing is made of first layer preliminary bracing 1 and second layer preliminary bracing 2.At the beginning of first layer
Phase supporting 1 and second layer preliminary bracing 2 are all made of the circular annular form structure of loopful steel arch-shelf gunite concrete.
Preferably, first layer loopful steel arch-shelf is spliced by arc H profile steel unit circumferential direction respectively, and wherein top half is total
It is formed by the consistent arc H profile steel unit spliced of three block sizes, lower half portion is altogether by the consistent arc H profile steel unit of five block sizes
It is spliced.Adjacent H profile steel unit passes through the more reinforcing bars that circumferential spacing is 1.0m -1.4m and is connected, such as 1.2m；Along high pressure
The extending direction of the molten chamber section of rich water, the spacing of consecutive first layer loopful steel arch-shelf are 0.4m -0.6m, such as 0.5m.Second layer loopful
Steel arch-shelf is identical as the structure type of first layer loopful steel arch-shelf.Arc H profile steel unit is made preferably with H20 fashioned iron.
First layer waterproof construction includes the loopful splash guard and soil of the circular annular form structure setting along the double-deck preliminary bracing
Work cloth (such as " non-woven fabrics "), and post rubber fastening band outside construction joint and deformation joint and add galvanized steel plain sheet waterstop.
As shown in figure 3, double deck double lining masonry is made of first layer secondary lining 3 and second layer secondary lining 4, first layer two
Secondary lining cutting 3 and second layer secondary lining 4 are all made of the circular annular form structure of reinforcing bar binding casting concrete, and the secondary lining of first layer
The construction joint for building 3 construction joint and second layer secondary lining 4 mutually staggers, and forms second layer waterproof construction.
Impervious distance piece B adds secondary lining, and the closely connected preliminary bracing of secondary lining using preliminary bracing.It does not prop up in the early stage
Splash guard is set between shield and secondary lining, it is ensured that secondary lining is fitted closely with preliminary bracing, and the splash guard of setting is avoided to make
At longitudinal infiltration, splash guard is commonly used in preventing circumferential infiltration.The length of impervious distance piece is at least 18m, preferably 20m.
High-pressure water-rich solution cavity section A and normal supporting section C are kept apart in the setting of impervious distance piece B.
A kind of impervious construction method of high-pressure water-rich solution cavity of tunnel section supporting, high-pressure water-rich solution cavity section are excavated using CRD and are completed
Afterwards, it carries out according to the following steps：
Step 1 carries out the construction of the double-deck preliminary bracing；
First layer preliminary bracing construction is first carried out, sequence of construction is：Just pneumatically placed concrete is carried out, first layer loopful steel arch is set up
Frame is simultaneously installed in place, and carries out first layer loopful steel arch-shelf construction of shotcrete.
Second layer preliminary bracing construction is carried out again, and sequence of construction is：Set up second layer loopful steel arch-shelf and be installed in place, into
Row second layer loopful steel arch-shelf construction of shotcrete.
Wherein, first layer preliminary bracing and second layer preliminary bracing are circular annular form structure.
Preferably, in step 1, first layer loopful steel arch-shelf is spliced by arc H profile steel unit circumferential direction respectively, wherein
Top half is formed by the consistent arc H profile steel unit spliced of three block sizes altogether, and lower half portion is altogether by the consistent arc of five block sizes
Shape H profile steel unit spliced forms, and adjacent H profile steel unit passes through the more reinforcing bars that circumferential spacing is 1.0m -1.4m and is connected；Along
The extending direction of high-pressure water-rich solution cavity section, the spacing of consecutive first layer loopful steel arch-shelf are 0.4m -0.6m；First pneumatically placed concrete
With a thickness of 3cm -5cm.Second layer loopful steel arch-shelf is identical as the structure type of first layer loopful steel arch-shelf
First layer waterproof construction is arranged in step 2 in the early stage between supporting and secondary lining：Along the double-deck preliminary bracing
The loopful splash guard and geotextiles of circular annular form structure setting, and add in construction joint and deformation joint outer patch rubber fastening band zinc-plated
Steel plate water stopper.
Step 3 carries out the construction of double deck double lining masonry.
First layer Second Lining Construction is first carried out, sequence of construction is：The binding of first layer secondary lining reinforcing bar is carried out, is recycled
The concreting of lining trolley progress first layer secondary lining reinforcing bar.
Second layer Second Lining Construction is carried out again, and sequence of construction is：The binding of second layer secondary lining reinforcing bar is carried out, is recycled
The concreting of lining trolley progress second layer secondary lining reinforcing bar.
Wherein, the construction joint of first layer secondary lining and the construction joint of second layer secondary lining mutually stagger, and form second
Layer waterproof construction；First layer secondary lining and second layer secondary lining are circular annular form structure.
Preferably, in step 3, lining trolley used in first layer Second Lining Construction, which is greater than second layer secondary lining, to be applied
Lining trolley used in work, after the completion of first layer Second Lining Construction, lining trolley demoulding carries out second layer secondary lining again
Reinforcing bar binding.
Impervious distance piece is arranged at high-pressure water-rich solution cavity section both ends in step 4, and impervious distance piece carries out preliminary bracing
Afterwards, secondary lining is directly carried out, the closely connected preliminary bracing of secondary lining is made.In step 4, the length of impervious distance piece is at least
For 18m.
Claims (7)
1. a kind of impervious structure of high-pressure water-rich solution cavity of tunnel section supporting, it is characterised in that：It is included in high-pressure water-rich solution cavity section inner ring
To the double-deck preliminary bracing, first layer waterproof construction and the double deck double lining masonry set gradually, and in high-pressure water-rich solution cavity section two
Hold the impervious distance piece of setting；The bilayer preliminary bracing is made of first layer preliminary bracing and second layer preliminary bracing, institute
It states first layer preliminary bracing and second layer preliminary bracing is all made of the circular annular form structure of loopful steel arch-shelf gunite concrete；It is described
First layer waterproof construction includes the loopful splash guard and geotextiles of the circular annular form structure setting along the double-deck preliminary bracing, and
Rubber fastening band, which is posted, outside construction joint and deformation joint adds galvanized steel plain sheet waterstop；The double deck double lining masonry is secondary by first layer
Lining cutting and second layer secondary lining composition, the first layer secondary lining and second layer secondary lining are all made of reinforcing bar binding and pour
The circular annular form structure of concrete, and the construction joint of first layer secondary lining and the construction joint of second layer secondary lining are mutually wrong
It opens, forms second layer waterproof construction；The impermeability distance piece adds secondary lining using preliminary bracing, and secondary lining is closely connected just
Phase supporting.
2. the impervious structure of high-pressure water-rich solution cavity of tunnel section supporting described in accordance with the claim 1, it is characterised in that：Described first
Layer, second layer loopful steel arch-shelf are spliced by arc H profile steel unit circumferential direction respectively, and wherein top half is altogether by three block sizes one
The arc H profile steel unit spliced of cause forms, and lower half portion is formed by the consistent arc H profile steel unit spliced of five block sizes altogether, phase
Adjacent H profile steel unit passes through the more reinforcing bars that circumferential spacing is 1.0m -1.4m and is connected；Along the extension side of high-pressure water-rich solution cavity section
Spacing to, consecutive first layer, second layer loopful steel arch-shelf is 0.4m -0.6m.
3. the impervious structure of high-pressure water-rich solution cavity of tunnel section supporting according to claim 1 or 2, it is characterised in that：It is described anti-
The length for seeping sexual isolation section is at least 18m.
4. a kind of impervious construction method of high-pressure water-rich solution cavity of tunnel section supporting, the high-pressure water-rich solution cavity section has been excavated using CRD
Cheng Hou, which is characterized in that carry out according to the following steps：
Step 1 carries out the construction of the double-deck preliminary bracing；
First layer preliminary bracing construction is first carried out, sequence of construction is：Just pneumatically placed concrete is carried out, sets up first layer loopful steel arch-shelf simultaneously
It is installed in place, carries out first layer loopful steel arch-shelf construction of shotcrete；
Second layer preliminary bracing construction is carried out again, and sequence of construction is：It sets up second layer loopful steel arch-shelf and is installed in place, carries out the
Two layers of loopful steel arch-shelf construction of shotcrete；
Wherein, first layer preliminary bracing and second layer preliminary bracing are circular annular form structure；
First layer waterproof construction is arranged in step 2 in the early stage between supporting and secondary lining：Along the circle of the double-deck preliminary bracing
The loopful splash guard and geotextiles of cyclic structure setting, and add galvanized steel plain sheet in construction joint and deformation joint outer patch rubber fastening band
Waterstop；
Step 3 carries out the construction of double deck double lining masonry；
First layer Second Lining Construction is first carried out, sequence of construction is：The binding of first layer secondary lining reinforcing bar is carried out, lining cutting is recycled
The concreting of trolley progress first layer secondary lining reinforcing bar；
Second layer Second Lining Construction is carried out again, and sequence of construction is：The binding of second layer secondary lining reinforcing bar is carried out, lining cutting is recycled
The concreting of trolley progress second layer secondary lining reinforcing bar；
Wherein, the construction joint of the construction joint and second layer secondary lining of the first layer secondary lining mutually staggers, and forms second
Layer waterproof construction；First layer secondary lining and second layer secondary lining are circular annular form structure；
Impervious distance piece is arranged at high-pressure water-rich solution cavity section both ends in step 4, and the impermeability distance piece carries out preliminary bracing
Afterwards, secondary lining is directly carried out, the closely connected preliminary bracing of secondary lining is made.
5. the impervious construction method of high-pressure water-rich solution cavity of tunnel section supporting according to claim 4, it is characterised in that：Step 1
In, the first layer, second layer loopful steel arch-shelf are spliced by arc H profile steel unit circumferential direction respectively, and wherein top half is total
It is formed by the consistent arc H profile steel unit spliced of three block sizes, lower half portion is altogether by the consistent arc H profile steel unit of five block sizes
It is spliced, adjacent H profile steel unit passes through the more reinforcing bars that circumferential spacing is 1.0m -1.4m and is connected；Along high-pressure water-rich solution cavity
Section extending direction, consecutive first layer, second layer loopful steel arch-shelf spacing be 0.4m -0.6m；The thickness of the just pneumatically placed concrete
Degree is 3cm -5cm.
6. according to the impervious construction method of high-pressure water-rich solution cavity of tunnel section supporting described in claim 4 or 5, it is characterised in that：Institute
It states in step 3, lining trolley used in first layer Second Lining Construction is greater than lining cutting platform used in second layer Second Lining Construction
Vehicle, after the completion of first layer Second Lining Construction, lining trolley demoulding carries out the binding of second layer secondary lining reinforcing bar again.
7. the impervious construction method of high-pressure water-rich solution cavity of tunnel section supporting according to claim 6, it is characterised in that：In step
In four, the length of the impermeability distance piece is at least 18m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725233.6A CN108894801B (en) | 2018-07-04 | 2018-07-04 | The impervious structure of high-pressure water-rich solution cavity of tunnel section supporting and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725233.6A CN108894801B (en) | 2018-07-04 | 2018-07-04 | The impervious structure of high-pressure water-rich solution cavity of tunnel section supporting and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894801A true CN108894801A (en) | 2018-11-27 |
| CN108894801B CN108894801B (en) | 2019-11-29 |
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| CN201810725233.6A Active CN108894801B (en) | 2018-07-04 | 2018-07-04 | The impervious structure of high-pressure water-rich solution cavity of tunnel section supporting and construction method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100819822B1 (en) * | 2006-10-18 | 2008-04-07 | 연일화섬공업(주) | Water proof construction method for tunnel using union water proof sheet |
| CN101672197A (en) * | 2009-09-17 | 2010-03-17 | 铁道部工程管理中心 | Processing method for high-pressure water-enriched filling karst cavity |
| CN105937396A (en) * | 2016-05-27 | 2016-09-14 | 中铁隧道集团有限公司 | Support method for ridge section extreme-high geostress soft rock tunnel construction deformation control |
| CN205990921U (en) * | 2016-07-22 | 2017-03-01 | 长安大学 | Double-deck lining cutting special defects circular cross section Tunneling by mining method structure |
| CN106522982A (en) * | 2016-11-15 | 2017-03-22 | 成都天佑智隧科技有限公司 | Method for constructing anti-floating anti-sinking anti-hydraulic pressure damping tunnel in water-rich unconsolidated stratum |
-
2018
- 2018-07-04 CN CN201810725233.6A patent/CN108894801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100819822B1 (en) * | 2006-10-18 | 2008-04-07 | 연일화섬공업(주) | Water proof construction method for tunnel using union water proof sheet |
| CN101672197A (en) * | 2009-09-17 | 2010-03-17 | 铁道部工程管理中心 | Processing method for high-pressure water-enriched filling karst cavity |
| CN105937396A (en) * | 2016-05-27 | 2016-09-14 | 中铁隧道集团有限公司 | Support method for ridge section extreme-high geostress soft rock tunnel construction deformation control |
| CN205990921U (en) * | 2016-07-22 | 2017-03-01 | 长安大学 | Double-deck lining cutting special defects circular cross section Tunneling by mining method structure |
| CN106522982A (en) * | 2016-11-15 | 2017-03-22 | 成都天佑智隧科技有限公司 | Method for constructing anti-floating anti-sinking anti-hydraulic pressure damping tunnel in water-rich unconsolidated stratum |
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| CN108894801B (en) | 2019-11-29 |
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Inventor after: Liu Jun Inventor after: Weng Changgen Inventor after: Guan Qiang Inventor after: Chen Zhonghua Inventor after: Li Yongjun Inventor after: Li Yong Inventor after: Xiong Xiaohui Inventor after: Cang Hao Inventor after: Xiong Jun Inventor before: Liu Jun Inventor before: Guan Qiang Inventor before: Chen Zhonghua Inventor before: Li Yongjun Inventor before: Li Yong Inventor before: Xiong Xiaohui Inventor before: Cang Hao Inventor before: Xiong Jun |
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