CN107355233A - A kind of underground chamber and Cavity Construction method - Google Patents
A kind of underground chamber and Cavity Construction method Download PDFInfo
- Publication number
- CN107355233A CN107355233A CN201710763002.XA CN201710763002A CN107355233A CN 107355233 A CN107355233 A CN 107355233A CN 201710763002 A CN201710763002 A CN 201710763002A CN 107355233 A CN107355233 A CN 107355233A
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- gallery
- periphery
- cavern
- main cavern
- main
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 239000011435 rock Substances 0.000 claims abstract description 44
- 238000009412 basement excavation Methods 0.000 claims abstract description 28
- 238000007596 consolidation process Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 11
- 239000003673 groundwater Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
-
- 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
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to rich groundwater, the construction method of the large underground hole of wall rock geology condition difference, advance water discharge is carried out using underground gallery, the main surrounding rock of chamber of advance reinforcement, advance exploration, the multipurpose layout pattern and method monitored in advance, i.e. Main Underground cavern crown and with abutment wall periphery arranging multiplayer underground gallery, first constructed before main cavern excavation crown and the gallery on abutment wall periphery, main cavern periphery groundwater level is reduced in advance using the underground gallery after construction, preconsolidation grouting is carried out to main cavern's crown country rock using top layer gallery and abutment wall periphery gallery simultaneously, prestress anchorage cable drilling construction and monitoring instrument it is pre-buried.This layout pattern and method, both influence of the underground water to surrounding rock of chamber can effectively be reduced, again can be by carrying out consolidation by grouting country rock to main cavern in advance, shorten the performance anchor cable immediate support effect of anchor cable construction time, and pass through advanced pre-buried monitoring instrument, the deformation measurement data for promptly and accurately gathering and grasping country rock during main cavern excavation comes design and construction, the powerful guarantee safety and stability of Cavity Construction phase and runtime.
Description
Technical field
The invention belongs to underground engineering field, is related to a kind of underground chamber and Cavity Construction method, more particularly to ground
Lower water is abundant, the large underground hole and its construction method of wall rock geology condition difference.
Background technology
At present, for the poor Cavity Construction of rich groundwater, wall rock condition, mainly arranged on underground chamber periphery
Underground gallery carries out permanent draining；In terms of supporting on the basis of using bolt-spary supports, it is also necessary to which arrangement prestress anchor cable is controlled
The surrouding rock deformation of cavity preparation room.In conventional way, the arrangement of underground gallery is solely for permanent draining, and underground gallery construct it is past
Toward main cavern con struction is lagged behind, do not consider to reduce the groundwater level on main cavern periphery in advance, construction time main surrounding rock of chamber is often
Easily there is phenomena such as landslide due to being influenceed by underground water；Prestress anchorage cable uses end anchor cable, anchor cable construction and monitor more
When device embedded will often wait main cavern excavation, then row construction, such cable bolting promptness is poor, the number that monitoring instrument is collected into
According to hysteresis, it can not truly reflect the situation of surrouding rock deformation, cable bolting often occur not in time, cause to go out during main cavern excavation
Existing surrouding rock deformation is excessive and the situation of unstability occurs, and also usually can not be grasped cavern in time due to the embedded hysteresis of monitoring instrument and be enclosed
The deformation of rock, lead to not the stable case for prejudging surrounding rock of chamber, and landslide phenomenon occur, influence construction time safety, and
Cause construction delay.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of underground chamber and its construction method of stabilized structure.
The technical scheme is that：A kind of underground chamber, including main cavern, the vault of the main cavern are provided with grouting and added
Gu Qu, the top in consolidation by grouting area are provided with the row's of filling gallery, prestress anchorage cable are provided between the row's of filling gallery and consolidation by grouting area；
The both sides of the main cavern be respectively equipped with it is a plurality of be from top to bottom arranged in order periphery gallery, a plurality of periphery gallery and main cavern
Abutment wall between be provided with prestress anchorage cable.
Usually, consolidation by grouting area, which points to, injects the materials such as Grouting Cement in the rock stratum of respective regions, be somebody's turn to do with playing to reinforce
The effect in region.
In the present invention, pass through the setting in consolidation by grouting area, it is ensured that the intensity of main cavern crown area country rock, prevent out
Occurs cave in accident during digging；Meanwhile the row's of filling gallery is set above consolidation by grouting area, on the one hand can conveniently it be in the milk to form grouting
Stabilization zone, on the other hand, it is convenient to prestress anchorage cable is set between the row's of filling gallery and consolidation by grouting area, constrains corresponding country rock
Deformation, improve the structural stability of main cavern, while prestress anchorage cable produces draw to consolidation by grouting area, reduces grouting
Pressure of the stabilization zone to main cavern's abutment wall position；, can be to main cavern by the setting of periphery gallery and related prestress anchorage cable
Country rock near abutment wall produces support action, limits surrouding rock deformation, with the soundness of the main cavern of comprehensive lifting, prevents main hole
Excavate and subsequently cave in accident occur during use in room.
Further, two row's of filling gallerys are provided with above main cavern's vault, two row's of filling gallerys are set, it is corresponding can
Two prestress anchorage cables are set, to increase the restraining force to vault country rock more.
Further, the row's of filling gallery is provided with the osculum curtain to extension above the row's of filling gallery.
Further, connected between the adjacent periphery gallery by osculum curtain.
By the setting of osculum curtain, main cavern periphery level of ground water can be reduced, reduces underground water to main cavern excavation
Influence, it is stable beneficial to the excavation of main cavern；After the completion of excavation, main cavern can be played a protective role, reduce water to main cavern
Infiltration.
Further, the main cavern includes Duo Gezi caverns, periphery gallery, this week being provided between the adjacent sub- cavern
Prestress anchorage cable is respectively equipped between side corner road and the abutment wall of adjacent each sub- cavern, improves the stable degree of cavern's abutment wall.
Further, the prestress anchorage cable is prestressing force two-ended cables.
Further, the distance of the row's of filling gallery and main cavern's vault is 10 ~ 35m；The periphery gallery and main cavern
The distance between abutment wall is 30 ~ 60m.Preferably, the distance of the row's of filling gallery and main cavern's vault is 20 ~ 30m；The periphery
The distance between gallery and main cavern's abutment wall are 40 ~ 50m.
In order to obtain the information such as main surrounding rock of chamber deformation, monitoring is embedded between the periphery gallery and the abutment wall of main cavern
Instrument；Monitor is embedded between the row's of filling gallery and main cavern's vault.Preferably, the monitor is multipoint displacement meter.
Based on same inventive concept, the present invention also provides a kind of construction method of underground chamber, comprised the following steps：
S1, before main cavern is excavated, filling row's gallery is dug above main cavern's vault waiting to excavate；Meanwhile waiting to excavate main hole
The abutment wall both sides of room dig the 1st floor periphery gallery respectively, and the periphery gallery is located in the depth bounds that main cavern's vault is crossed over,
Top layer gallery is dug above the periphery gallery；
S2, the draining extended to the rock stratum above corresponding gallery is set on each top layer gallery and the row's of filling gallery in step sl respectively
Hole curtain, osculum curtain is set between top layer gallery and the 1st layer of periphery gallery；
S3, the country rock progress preconsolidation grouting construction excavated more than main cavern's vault excavation line is treated by the row's of filling gallery, in master
Consolidation by grouting area is obtained above cavern's vault；
S4, treated by periphery gallery and the row's of filling gallery and to excavate pore-creating and prestressing force anchor pier that main cavern carries out prestress anchorage cable
Construction；Then, start to excavate main cavern, after excavating and arriving prestress anchorage cable corresponding site, reeved and to prestress anchorage cable
Carry out tensioning fixation；While excavating main cavern, the 2nd from top to bottom to arrange successively is dug below the 1st layer of periphery gallery
Layer ... n-th layer periphery gallery, and osculum curtain is set between upper and lower adjacent periphery gallery；Wherein, N is not less than 2
Positive integer.
Further, when carrying out excavation construction to periphery gallery and the row's of filling gallery, carried by periphery gallery and the row's of filling gallery
The preceding pre-buried monitor for being used to collect main surrounding rock of chamber geological information, such as multipoint displacement meter.So after main cavern excavation can and
When collect the information such as surrouding rock deformation, can be to evaluate and adjustment support parameters and working measure provide foundation, effectively control and lead
The surrouding rock deformation of cavern, it is ensured that the safety and stability of main cavern excavation.
Using the method for the present invention, advanced excavation fills row's gallery, top layer gallery and the 1st layer of periphery gallery in step S1, and
Related drain hole curtain is set in step s 2, main cavern periphery level of ground water can be reduced in advance, reduces underground water to main cavern
The influence of excavation, the excavation for being advantageous to main cavern are stable；In step S3, by grouting construction, main cavern's crown can be effectively improved
The integrality and stability of country rock, crown country rock during main cavern excavation is avoided big landslide and chip off-falling occur；In step S4, opening
Just the pore-creating and the construction of prestressing force anchor pier of prestress anchorage cable are carried out before Wa Zhu caverns, treats main cavern excavation to anchor cable corresponding site
After certain distance, the tensioning fixation of anchor cable can be quickly reeved and carry out, the effect of anchor cable immediate support can be given full play to, in time about
The deformation of beam country rock, the excavation to ensuring main cavern are stablized highly beneficial.
Behind the underground galleries such as periphery gallery, top layer gallery in advance construction, collect underground gallery and excavate the geology disclosed
Situation, the country rock information of main cavern is deduced by this, is advantageous to check supporting parameter and arrangement and method for construction.
The present invention is constructed in advance in underground chamber building process using underground gallery, and combines advance water discharge, advanced right
Main cavern's consolidation by grouting, advance exploration and the multipurpose layout pattern and construction method monitored in advance, are realized advanced to main cavern
Draining, advance grouting reinforcing, advance exploration and advanced monitoring.This layout pattern and method utilize main cavern's crown and periphery cloth
Put multi-layer underground gallery（Top layer gallery, the row's of filling gallery and periphery gallery）It is first sharp and construction is completed in advance before main cavern excavation
The main cavern region of excavation is treated with the underground gallery after construction and neighbouring rock stratum carries out advance water discharge, i.e., is reduced and waited out by gallery
The groundwater level on Wa Zhu caverns periphery, effectively reduce influence of the underground water to main cavern excavation, ensure the excavation of main cavern
It is stable；Recycle the row's of filling gallery to carry out preconsolidation grouting advance reinforcement to main cavern, improve the integrality of main cavern's crown country rock
And stability, avoid crown country rock during main cavern excavation from big landslide and chip off-falling occur；Then the underground corridor after construction is recycled
Road drills to prestress anchorage cable in advance（Anchor pier）Construction, the promptness of cable bolting can be given full play to, constraint in time is enclosed
The deformation of rock, it is ensured that the excavation of main cavern is stable；The related underground gallery after construction is finally recycled to collect geological information and carry
Preceding pre-buried monitoring instrument, thus it is speculated that Chu Zhu caverns geological information and in time acquisition Monitoring Data can be evaluation and adjustment design of its support ginseng
Number and working measure provide foundation, to efficiently control the surrouding rock deformation of main cavern and ensuring that the safety and stability of main cavern excavation carries
It is provided with sharp guarantee.
The underground chamber stabilized structure of the present invention, runtime safety and stability；, can by the construction method of the offer of the present invention
Realize and the safety and stability of main cavern is excavated, save the engineering time, the safety of effective guarantee Cavity Construction phase and runtime
It is stable.
Brief description of the drawings
Fig. 1 is that the gallery of the first embodiment of the invention and osculum curtain put schematic diagram.
Fig. 2 is main cavern's crown preconsolidation grouting arrangement schematic diagram of the first embodiment of the invention.
Fig. 3 is the prestress anchorage cable arrangement schematic diagram of the first embodiment of the invention.
Fig. 4 is that the underground gallery monitor of the first embodiment of the invention buries situation schematic diagram.
Wherein：1-top layer gallery；2-the row of filling gallery；3-periphery gallery；4-osculum curtain；5-consolidation by grouting area；
6-prestress anchorage cable；7-monitoring instrument；8-main cavern；801st, the sub- caverns of 802-.
Embodiment
For sake of convenience, in the present invention as " on ", " under ", "left", "right" printed words occur, only represent with accompanying drawing in itself
Upper and lower, left and right direction is consistent, does not play restriction effect to structure.
The present invention is further described by taking the underground chamber structure of certain hydroenergy storage station as an example below, the power station
Underground Powerhouse condition is poor, and surrounding rock category is III~IV class, and local V class, country rock is relatively more broken, and underground water ten
Divide abundant.
The underground chamber, including main cavern 8, the vault of the main cavern 8 are provided with consolidation by grouting area 5, consolidation by grouting area 5
Top is provided with the row's of filling gallery 2, and prestress anchorage cable 6 is provided between the row's of filling gallery 2 and consolidation by grouting area 5；The main cavern 8
Both sides are respectively equipped with 3 and are from top to bottom arranged in order periphery gallery 3, first layer and second layer periphery gallery 3 and the side of main cavern 8
Prestress anchorage cable 6 is provided between wall.
Wherein, the main cavern 8 includes cavern's 801 and sub- cavern 802, two rows of filling being provided with above each sub- cavern's vault
Gallery 2（See Fig. 2）.
The row's of filling gallery 2 is provided with the osculum curtain 4 to extension above the row's of filling gallery；The adjacent periphery gallery 3 it
Between connected by osculum curtain 4（See Fig. 1）.
Be provided with a periphery gallery 3 between the adjacent sub- cavern, the abutment wall of the periphery gallery 3 and adjacent each sub- cavern it
Between be respectively equipped with prestress anchorage cable 6（See Fig. 3）.
The prestress anchorage cable 6 is prestressing force two-ended cables.
Monitor 7 is embedded between the periphery gallery 3 and the abutment wall of main cavern 8；The row's of filling gallery 2 and main cavern 8
Monitor 7 is embedded between vault（See Fig. 4）.
To improve the resistance to overturning of factory building surrounding rock of chamber, in factory building crown above 25m and away from abutment wall 45m peripheries arrangement 4
Layer underground gallery（From top to bottom it is followed successively by top layer gallery 1 and the filling concordant with top layer gallery row gallery 2, periphery gallery 3）, underground
Gallery arrangement, which takes into full account, reduces factory building underground water, can carry out preconsolidation grouting to main building and main transformer hole crown country rock not only but also
Facilitate the rapid construction and many-sided comprehensive function such as pre-buried monitoring instrument in advance of prestress anchorage cable, in underground gallery layout design
When take into full account that suitable elevation and the position of gallery, and top layer fill row's gallery cross dimensions etc., underground gallery arrangement should have
The standby condition constructed in advance, possesses carry out carrying for preconsolidation grouting, prestress anchorage cable 6 and monitor 7 to main cavern's crown again
The condition and method of preceding construction.The underground gallery multipurpose layout pattern and method, both successfully solved underground water and factory building had been opened
The influence of digging, the whole digging process of factory building is substantially at dry environment construction, be in the milk further through preconsolidation, prestress anchorage cable
Immediate support and monitoring instrument shift to an earlier date pre-buried accurate grasp factory building surrouding rock deformation data, adjust supporting parameter in time and construction is arranged
Apply, efficiently control the deformation of factory building surrounding rock of chamber, smoothly ensure that the safety and stability of factory building cavern excavation process.Imitated from implementation
From the point of view of fruit, effect is more satisfactory, and main cavern excavation process does not occur landslide, chip off-falling phenomenon, and engineering carries out very smooth；Runtime
In, main cavern's structure performance is stable, does not occur anomaly.
Claims (10)
1. a kind of underground chamber, including main cavern（8）, it is characterised in that the main cavern（8）Vault be provided with consolidation by grouting area
（5）, consolidation by grouting area（5）Top be provided with fill row gallery（2）, the row's of filling gallery（2）With consolidation by grouting area（5）Between be provided with
Prestress anchorage cable（6）；The main cavern（8）Both sides be respectively equipped with and a plurality of be from top to bottom arranged in order periphery gallery（3）, it is described
A plurality of periphery gallery（3）With main cavern（8）Abutment wall between be provided with prestress anchorage cable（6）.
2. underground chamber according to claim 1, it is characterised in that the main cavern（8）Two fillings are provided with above vault
Arrange gallery（2）.
3. underground chamber according to claim 1, it is characterised in that the row's of filling gallery（2）It is provided with to the row's of filling gallery
The osculum curtain of top extension（4）.
4. underground chamber according to claim 1, it is characterised in that the adjacent periphery gallery（3）Between pass through draining
Hole curtain（4）Connection.
5. underground chamber according to claim 1, it is characterised in that the main cavern（8）Including Duo Gezi caverns（801；
802）, the adjacent sub- cavern（801；802）Between be provided with periphery gallery（3）, the periphery gallery（3）With adjacent each sub- cavern
（801；802）Abutment wall between be respectively equipped with prestress anchorage cable（6）.
6. according to the underground chamber described in any one of claim 1 ~ 5, it is characterised in that the prestress anchorage cable（6）In advance should
Power two-ended cables.
7. according to the underground chamber described in any one of claim 1 ~ 5, it is characterised in that the row's of filling gallery（2）With main cavern
（8）The distance of vault is 10 ~ 35m；The periphery gallery（3）With main cavern（8）The distance between abutment wall is 30 ~ 60m.
8. according to the underground chamber described in any one of claim 1 ~ 5, it is characterised in that the periphery gallery（3）With main cavern
（8）Abutment wall between be embedded with monitor（7）；The row's of filling gallery（2）With main cavern（8）Monitor is embedded between vault
（7）.
9. a kind of construction method of underground chamber, it is characterised in that comprise the following steps：
S1, before main cavern is excavated, filling row's gallery is dug above main cavern's vault waiting to excavate（2）；Meanwhile waiting to excavate master
The abutment wall both sides of cavern dig the 1st layer of periphery gallery respectively（3）, the periphery gallery（3）The depth crossed over positioned at main cavern's vault
In the range of degree, in the periphery gallery（3）Top dig top layer gallery（1）；
S2, distinguish each top layer gallery in step sl（1）With the row's of filling gallery（2）On set to above corresponding gallery rock stratum extend
Osculum curtain（4）, in top layer gallery（1）With the 1st layer of periphery gallery（3）Between set osculum curtain（4）；
S3, pass through the row's of filling gallery（2）Treat and excavate main cavern（8）Country rock more than vault excavation line carries out preconsolidation grouting and applied
Work, consolidation by grouting area is obtained above main cavern's vault（5）；
S4, treated by periphery gallery and the row's of filling gallery and to excavate pore-creating and prestressing force anchor pier that main cavern carries out prestress anchorage cable
Construction；Then, start to excavate main cavern, after excavating and arriving prestress anchorage cable corresponding site, reeved and to prestress anchorage cable
（6）Carry out tensioning fixation；While excavating main cavern, dig what is from top to bottom arranged successively below the 1st layer of periphery gallery
2nd layer ... n-th layer periphery gallery, and osculum curtain is set between upper and lower adjacent periphery gallery；Wherein, N be not less than
2 positive integer.
10. the construction method of underground chamber according to claim 9, it is characterised in that to periphery gallery and the row's of filling gallery
When carrying out excavation construction, the pre-buried monitoring for being used to collect main surrounding rock of chamber geological information is shifted to an earlier date by periphery gallery and the row's of filling gallery
Instrument.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710763002.XA CN107355233B (en) | 2017-08-30 | 2017-08-30 | A kind of underground chamber and Cavity Construction method |
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|---|---|---|---|
| CN201710763002.XA CN107355233B (en) | 2017-08-30 | 2017-08-30 | A kind of underground chamber and Cavity Construction method |
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| CN107355233A true CN107355233A (en) | 2017-11-17 |
| CN107355233B CN107355233B (en) | 2019-03-22 |
Family
ID=60290351
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184761A (en) * | 2018-10-29 | 2019-01-11 | 河南大有能源股份有限公司耿村煤矿 | A method of solving two sides rock mass deformation enhances country rock globality |
| CN112195883A (en) * | 2020-07-02 | 2021-01-08 | 中国电建集团华东勘测设计研究院有限公司 | Arrangement structure and construction method of pressure pipeline and drainage gallery suitable for TBM construction |
| CN112982371A (en) * | 2021-02-08 | 2021-06-18 | 中国电建集团北京勘测设计研究院有限公司 | Seepage-proofing method for large underground cavern by adopting advanced grouting sealing |
| CN113089705A (en) * | 2021-04-21 | 2021-07-09 | 中国电建集团中南勘测设计研究院有限公司 | Underground cavern drainage system |
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| CN106640118A (en) * | 2017-03-08 | 2017-05-10 | 中国电建集团中南勘测设计研究院有限公司 | Underground cavity arch crown structure, underground cavity and underground cavity construction method |
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| CN109184761A (en) * | 2018-10-29 | 2019-01-11 | 河南大有能源股份有限公司耿村煤矿 | A method of solving two sides rock mass deformation enhances country rock globality |
| CN109184761B (en) * | 2018-10-29 | 2020-03-17 | 河南大有能源股份有限公司耿村煤矿 | Method for solving problem of reinforcing integrity of surrounding rock by deformation of two rock masses |
| CN112195883A (en) * | 2020-07-02 | 2021-01-08 | 中国电建集团华东勘测设计研究院有限公司 | Arrangement structure and construction method of pressure pipeline and drainage gallery suitable for TBM construction |
| CN112982371A (en) * | 2021-02-08 | 2021-06-18 | 中国电建集团北京勘测设计研究院有限公司 | Seepage-proofing method for large underground cavern by adopting advanced grouting sealing |
| CN113089705A (en) * | 2021-04-21 | 2021-07-09 | 中国电建集团中南勘测设计研究院有限公司 | Underground cavern drainage system |
| CN113089705B (en) * | 2021-04-21 | 2022-07-19 | 中国电建集团中南勘测设计研究院有限公司 | Underground cavern drainage system |
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