CN110195597B - Pumped storage chamber suitable for TBM construction and construction method - Google Patents
Pumped storage chamber suitable for TBM construction and construction method Download PDFInfo
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- CN110195597B CN110195597B CN201910514543.8A CN201910514543A CN110195597B CN 110195597 B CN110195597 B CN 110195597B CN 201910514543 A CN201910514543 A CN 201910514543A CN 110195597 B CN110195597 B CN 110195597B
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- 238000010276 construction Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 189
- 238000010248 power generation Methods 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 208000022971 Tuberculous meningitis Diseases 0.000 description 36
- 208000001223 meningeal tuberculosis Diseases 0.000 description 36
- 238000005553 drilling Methods 0.000 description 6
- 238000005422 blasting Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a pumped storage chamber suitable for TBM construction and a construction method thereof. By changing the inclination angle of the slow inclined shaft, a TBM device can be adopted to excavate the chamber, so that the method can be well adapted to the change of geological conditions, and is safe and efficient in technology; the method can be well adapted to the change of geological conditions, and is fast in progress.
Description
Technical Field
The invention belongs to the field of water conservancy and hydropower engineering, in particular to a pumped storage chamber suitable for TBM construction and a construction method.
Background
The pumped storage engineering chamber comprises a water conveying system, a factory building power generation system, a tail water system and the like, and according to the traditional design, the section design generally only needs to meet the functional requirements, an inclined shaft or a vertical shaft is designed and arranged between the water conveying system and the factory building system, when the traditional drilling and blasting method is adopted for construction, the vertical shaft is excavated, but the scheme of drawing a long inclined shaft of a power storage station is easier, compared with the scheme that the vertical shaft is shortened due to a short hole line, particularly a high-pressure water diversion hole line, the investment is saved, and therefore, the long inclined shaft is widely applied from the economical aspect. In order to solve the construction safety and construction period risks of deep and long vertical inclined shafts, a climbing tank and a reverse well drilling machine are adopted at present, and a directional drilling and reverse well drilling machine method (such as a trc3000 of a waste channel of a Heilongjiang river and a bmc500 type drilling machine of Jilin) which is just adopted in recent years and various front and back well excavation methods which are combined by the method are adopted, the inclined well inclination angle and the like are greatly influenced by the construction method, and the inclination angle is not suitable to be less than 45 degrees and is generally 45-60 degrees from the consideration that stone slag can freely slide after blasting and the well is not easy to block.
Mechanization and intelligence are certainly the development direction of modern industry, and large-scale civil engineering construction is rapidly developing along the route. The construction of the pumped storage power station in China just enters a construction peak, and the traditional construction method exposes a plurality of problems along with the improvement of artificial unit price, environmental protection requirements and occupational health and health requirements and the issuance of initiating explosive device management and safety regulations. At present, underground chamber engineering such as traffic, mineral products and the like has entered the TBM excavation technical era, the long and large tunnel TBM construction technology is safe and efficient, moreover, it is economical and the use of TBMs is becoming increasingly widespread even in cases where geological conditions are complex. The pumped storage power station has relatively good geological conditions, and creates a foundation for the pumped storage power station to adopt TBM.
However, none of the current chamber designs is suitable for construction of TBM equipment, and thus there is a strong need for a chamber that can be constructed using TBM equipment.
Disclosure of Invention
The invention aims to provide a pumped storage chamber suitable for TBM construction and a construction method thereof, which are used for solving the problem that the existing chamber design and construction method are not suitable for TBM equipment construction,
a pumped storage chamber suitable for TBM construction comprising: the system comprises a water delivery tunnel, a long slow inclined shaft, a factory building tunnel, a factory building power generation system chamber and a tail water tunnel, wherein the front end of the water delivery tunnel is connected to an upper reservoir, the rear end of the water delivery tunnel is connected to the front end of the long slow inclined shaft which is inclined downwards, the rear end of the long slow inclined shaft is connected to the front end of the factory building tunnel, the factory building tunnel penetrates through the factory building power generation system chamber and the tail water tunnel behind the factory building power generation system chamber to be connected, the tail water tunnel comprises a first tail water tunnel, a tail water slope and a second tail water tunnel which are sequentially connected end to end, the first tail water tunnel is connected with the factory building tunnel, an outlet of the second tail water tunnel is connected with a lower reservoir, and the tail water slope is inclined upwards.
Further, the uphill inclination angle of the long slow inclined shaft is less than or equal to 25 degrees.
Further, the tail water slope upper inclination angle of the tail water slope is less than or equal to 18 degrees.
Furthermore, a pressure regulating well is further connected above the water delivery tunnel.
Further, the sections of the water delivery tunnel, the long slow inclined shaft, the factory building tunnel and the tail water tunnel are the same.
Furthermore, switch gates are connected in the water delivery tunnel and the tail water tunnel.
Further, a section of turning with the minimum radius of 500m is arranged in the tunnel section of the factory building.
A pumped storage chamber construction method suitable for TBM construction comprises the following steps:
firstly, constructing a tail water tunnel cofferdam, namely constructing a waterproof cofferdam at an outlet of a lower reservoir in the tail water tunnel, and avoiding water flow from flowing backwards into the tail water tunnel which is not constructed yet; secondly, constructing a tail water tunnel, sequentially excavating a second tail water tunnel to a design position along the horizontal direction by using TBM equipment from the rear of the tail water tunnel, then continuously excavating a tail water slope obliquely downwards by using the TBM equipment to the design position, and then excavating a horizontal first tail water tunnel to the design position by using the TBM equipment;
thirdly, constructing a factory building tunnel and a factory building power generation system chamber, continuously excavating the factory building tunnel to a design position by using TBM equipment along the first tail water tunnel, and excavating a factory building power generation system chamber at the design position of the factory building tunnel;
fourthly, constructing a long slow inclined shaft, and obliquely excavating the long slow inclined shaft to a designed position along a tunnel of a factory building by using TBM equipment;
and fifthly, constructing the water delivery tunnel, and continuously excavating the water delivery tunnel by using TBM equipment along the long slow inclined shaft until the TBM equipment is communicated with the upper reservoir according to design requirements, so that the upper reservoir and the lower reservoir are communicated by a tunnel consisting of the water delivery tunnel, the long slow inclined shaft, the factory building tunnel and the tail water tunnel, and water flow can flow between the upper reservoir and the lower reservoir through the tunnel.
Further, in the third step, when the factory building tunnel is constructed, if the central axis of the factory building tunnel and the central axis of the long slow inclined shaft are not on the same horizontal line, a curve with the minimum radius of 500m is excavated in the factory building tunnel until one end of the factory building tunnel and the long slow inclined shaft are positioned on the same horizontal line.
Furthermore, before the fifth step, if water exists in the upper reservoir, a cofferdam of the water delivery tunnel is built at the designed communication port of the water delivery tunnel and the upper reservoir before the construction of the water delivery tunnel, and then the water delivery tunnel and the upper reservoir are communicated.
The invention has the beneficial effects that: 1. by changing the inclination angle of the slow inclined shaft, TBM equipment can be adopted during construction, the supporting effect is timely, the change of geological conditions can be well adapted, and the technology is safe and efficient; the method can be well adapted to the change of geological conditions, and is fast in progress; the mechanical degree is high, the labor is saved, and the tunnel with the length of more than 3000-5000 m is economically constructed by adopting a TBM construction method
Drawings
FIG. 1 is a schematic view of a chamber structure;
in the figure, 1, a water delivery tunnel; 2-1, factory building tunnels; 2-2, a chamber of a power generation system of the factory building; 3. tail water tunnel; 3-1, a first tail water tunnel; 3-2, tail water slope; 3-3, a second tail water tunnel; 4. a long slow inclined shaft; 5. a pressure regulating well; alpha, the uphole inclination angle of the long slow inclined shaft; beta, the slope inclination of tail water.
The invention will be described in further detail with reference to the accompanying drawings and examples;
Detailed Description
[ example 1 ]
As shown in FIG. 1, a pumped storage chamber suitable for TBM construction comprises a water delivery tunnel 1, a long slow inclined shaft 4, a plant tunnel 2-1, a plant power generation system chamber 2-2 and a tail water tunnel 3, wherein the front end of the water delivery tunnel 1 is connected to an upper reservoir, the rear end of the water delivery tunnel 1 is connected to the front end of the long slow inclined shaft 4 which is inclined downwards, the rear end of the long slow inclined shaft 4 is connected to the front end of the plant tunnel 2-1, the plant tunnel 2-1 passes through the plant power generation system chamber 2-2 and the tail water tunnel 3 behind the plant power generation system chamber 2-2 to be connected, the tail water tunnel 3 comprises a first tail water tunnel 3-1, a tail water slope 3-2 and a second tail water tunnel 3-3, the first tail water tunnel 3-1 is connected with the plant tunnel 2-1, the outlet of the second tail water tunnel 3-3 is connected with a lower reservoir, and the tail water slope 3-2 is inclined upwards.
The water delivery tunnel 1, the long slow inclined shaft 4, the factory building tunnel 2-1 and the tail water tunnel 3 are four sections of tunnels which are sequentially connected end to end, the water delivery tunnel 1 is connected with an upper reservoir, the tail water tunnel 3 is connected with a lower reservoir, the factory building tunnel 2-1 section is excavated with a factory building power generation system chamber 2-2, during energy storage, water in the lower reservoir is conveyed into the upper reservoir through the tail water tunnel 3, water in the upper reservoir flows into the lower reservoir through the water delivery tunnel 1 during power generation, and the power is driven by a generator in the factory building power generation system chamber 2-2 to realize power generation. The tail water tunnel 3 comprises a first tail water tunnel 3-1, a tail water slope 3-2 and a second tail water tunnel 3-3, wherein the first tail water tunnel 3-1 is horizontally connected with the factory building tunnel 2-1, the outlet of the second tail water tunnel 3-3 is horizontally connected with the lower reservoir, the tail water slope 3-2 connected with the tail of the first tail water tunnel 3-1 is inclined upwards to form a slope, and the tail of the tail water slope 3-2 is connected with the head of the second tail water tunnel 3-3.
The uphole inclination angle alpha of the long slow inclined shaft 4 is smaller than or equal to 25 degrees. Wherein the long slow inclined shaft 4 is inclined upward relative to the plant tunnel 2-1, and the upward inclination angle alpha of the long slow inclined shaft is smaller than or equal to 25 degrees.
And the tail water slope upper inclination angle beta of the tail water slope 3-2 is smaller than or equal to 18 degrees. The tail water slope 3-2 is an upward inclined slope relative to the plant tunnel 2-1, and the upward inclination angle beta of the tail water slope is smaller than or equal to 18 degrees.
And a pressure regulating well 5 is further connected above the water delivery tunnel 1. Also called as pressure well, the pressure regulating well of the hydropower station plays a role in regulating water pressure. Because the water conduit of the power station is longer, when the guide vane is closed by suddenly throwing load in the running process of the unit, due to the inertia effect of water flow, the water hammer effect is great, power generation equipment is easy to damage, for example, a pressure regulating well is not arranged, and the water hammer can destroy water guide vanes and other overcurrent components. The pressure regulating well has the function of enabling the water hammer to have a release passage, to reduce the pressure of the flow-through member.
The water delivery tunnel 1, a long slow inclined shaft 4 the sections of the factory building tunnel 2-1 and the tail water tunnel 3 are the same. The sections of the water delivery tunnel 1, the long slow inclined shaft 4, the factory building tunnel 2-1 and the tail water tunnel 3 are all excavated into the same size and shape.
Switch gates are connected in the water delivery tunnel 1 and the tail water tunnel 3. The water delivery tunnel 1 and the tail water tunnel 3 are used for switching, so that water in an upper reservoir or a lower reservoir does not flow into the whole tunnel.
And a section of turning with the minimum radius of 500m is arranged in the section 2-1 of the factory building tunnel. When the central axis of the factory building tunnel 2-1 is not in the same straight line with the central axis of the water delivery tunnel 1, in order to connect the factory building tunnel 2-1 with the water delivery tunnel 1, a part of the factory building tunnel needs to be repaired into a curve, the factory building tunnel 2-1 after turning is connected with the water delivery tunnel 1 after turning, and the minimum radius of the turning is not less than 500m.
[ example 2 ]
As shown in fig. 1, a pumped storage chamber construction method suitable for TBM construction comprises the following steps:
the first step, the construction of a cofferdam of a tail water tunnel 3, the construction of a waterproof cofferdam of the tail water tunnel 3 at the outlet of a lower reservoir, the water flow is prevented from flowing backwards into the tail water tunnel 3 which is not constructed yet;
when in construction, the tail water tunnel 3 is firstly connected with the lower reservoir, in order to avoid water in the lower reservoir from flowing backward into the tail water tunnel 3 in construction, the lower reservoir is used as the tail, and a waterproof cofferdam is firstly built near the outlet of the lower reservoir at the tail of the tail water tunnel 3.
Secondly, constructing a tail water tunnel 3, sequentially excavating a second tail water tunnel 3-3 to a design position along the horizontal direction by using TBM equipment from the rear of the tail water tunnel 3, then continuously excavating a tail water slope 3-2 to the design position by using TBM equipment in an inclined downward manner, and excavating a horizontal first tail water tunnel 3-1 to the design position by using TBM equipment;
after the waterproof cofferdam of the lower reservoir is built, starting to construct from the tail part to the head part of the tail water tunnel 3, sequentially excavating a horizontal second tail water tunnel 3-3, a downhill tail water slope 3-2 and a horizontal first tail water tunnel 3-1 by using TBM equipment according to design requirements until the construction position is reached, as shown in figure 1, wherein the tail water slope 3-2 is an upward slope compared with the factory building tunnel 2-1, and the upward slope angle is less than or equal to 18 degrees.
Thirdly, constructing a factory building tunnel 2-1 and a factory building power generation system chamber 2-2, continuously excavating the factory building tunnel 2-1 to a design position along a first tail water tunnel 3-1 by using TBM equipment, and excavating the factory building power generation system chamber 2-2 at the design position of the factory building tunnel 2-1;
the TBM equipment is continuously used for excavating the factory building tunnel 2-1 along the first tail water tunnel 3-1 according to the design requirement until the factory building tunnel 2-1 reaches the design position, a drilling and blasting method is used for excavating a factory building power generation system chamber 2-2 in the section of the factory building tunnel 2-1 according to the design requirement, the factory building tunnel 2-1 passes through the factory building power generation system chamber 2-2,
fourthly, constructing a long slow inclined shaft 4, and obliquely excavating the long slow inclined shaft 4 to a design position along a plant tunnel 2-1 by using TBM equipment;
and excavating a long slow inclined shaft 4 obliquely upwards along the plant tunnel 2-1 by using TBM equipment according to design requirements, wherein the upward inclination angle of the long slow inclined shaft 4 is less than or equal to 25 degrees.
And fifthly, constructing the water delivery tunnel 1, and continuously excavating the water delivery tunnel 1 by using TBM equipment along the long slow inclined shaft 4 until the water delivery tunnel 1 is communicated with the upper reservoir according to design requirements, so that the upper reservoir and the lower reservoir are communicated by a tunnel formed by the water delivery tunnel 1, the long slow inclined shaft 4, the factory building tunnel 2-1 and the tail water tunnel 3, and water flow can flow between the upper reservoir and the lower reservoir through the tunnel.
And excavating a water delivery tunnel 1 along the long slow inclined shaft 4 by using a TBM according to the design requirement until the head end of the water delivery tunnel 1 is communicated with the upper reservoir according to the design requirement. The reservoir and the lower reservoir are communicated by a tunnel consisting of a water delivery tunnel 1, a long slow inclined shaft 4, a factory building tunnel 2-1 and a tail water tunnel 3, and water flow can flow between the upper reservoir and the lower reservoir through the tunnel.
And then, excavating a pressure regulating well 5 in the section 1 of the water delivery tunnel in a commercial way, and installing switch gates in the sections 1 and 3 of the water delivery tunnel.
And thirdly, when the factory building tunnel 2-1 is constructed, if the central axis of the factory building tunnel 2-1 and the central axis of the long slow inclined shaft 4 are not on the same horizontal line, a curve with the minimum radius of 500m is excavated in the factory building tunnel 2-1 until one end of the factory building tunnel 2-1 and the long slow inclined shaft 4 are positioned on the same horizontal line.
In the construction, the central axis of the slow inclined shaft 4 is most likely not on the same straight line with the central axis of the factory building tunnel 2-1, and there is a horizontal position difference between the central axes, so in order to communicate the slow inclined shaft 4 with the factory building tunnel 2-1, a turning structure is required to be arranged in the factory building tunnel 2-1, and the minimum radius of the turning is 500m.
Before the fifth step, if water exists in the upper reservoir, a cofferdam of the water delivery tunnel 1 is built at the designed communication port of the water delivery tunnel 1 and the upper reservoir before the construction of the water delivery tunnel 1, and then the water delivery tunnel 1 is communicated with the upper reservoir
In the construction process, the upper reservoir has two conditions, namely, the upper reservoir is free of water, and under the condition that the upper reservoir is free of water, a cofferdam of the water delivery tunnel 1 needs to be built at the outlet of the upper reservoir firstly, and after the cofferdam is built, the construction of the water delivery tunnel 1 is carried out. And the water in the upper reservoir is prevented from flowing backwards under the condition that the construction of the water delivery tunnel 1 is not complete.
In the whole construction, more than IV type surrounding rocks can be selected as open TBM, V type surrounding rocks are used as main rocks, a shield tunneling machine is adopted, and because the TBM has weak downhill slope capability and strong climbing capability, the TBM is dug from the tail water tunnel 3, only a shorter tail water slope 3-2 is needed, and a long and slow inclined shaft 4 is used for climbing, so that the construction is convenient.
Claims (8)
1. A pumped storage chamber suitable for TBM construction comprising: the system comprises a water delivery tunnel (1), a long slow inclined shaft (4), a factory building tunnel (2-1), a factory building power generation system chamber (2-2) and a tail water tunnel (3), wherein the front end of the water delivery tunnel (1) is connected to an upper reservoir, the rear end of the water delivery tunnel (1) is connected to the front end of the long slow inclined shaft (4) which is inclined downwards, the rear end of the long slow inclined shaft (4) is connected to the front end of the factory building tunnel (2-1), the factory building tunnel (2-1) penetrates through the factory building power generation system chamber (2-2) and the tail water tunnel (3) behind the factory building power generation system chamber (2-2), the tail water tunnel (3) comprises a first tail water tunnel (3-1), a tail water slope (3-2) and a second tail water tunnel (3-3), the first tail water tunnel (3-1) is connected with the factory building tunnel (2-1), the second tail water tunnel (3-3) is connected with the lower reservoir in an inclined way (3-2); a pressure regulating well (5) is also connected above the water delivery tunnel (1); switch gates are connected in the water delivery tunnel (1) and the tail water tunnel (3).
2. A pumped-storage chamber suitable for TBM construction as claimed in claim 1, wherein: the uphole inclination angle (alpha) of the long slow inclined shaft (4) is smaller than or equal to 25 degrees.
3. A pumped-storage chamber suitable for TBM construction as claimed in claim 1, wherein: and the tail water slope upper inclination angle (beta) of the tail water slope (3-2) is smaller than or equal to 18 degrees.
4. A pumped-storage chamber suitable for TBM construction as claimed in claim 1, wherein: the sections of the water delivery tunnel (1), the long slow inclined shaft (4), the factory building tunnel (2-1) and the tail water tunnel (3) are the same.
5. A pumped-storage chamber suitable for TBM construction as claimed in claim 1, wherein: and a section of turning with the minimum radius of 500m is arranged in the section of the plant tunnel (2-1).
6. The construction method of the pumped storage chamber suitable for TBM construction is characterized by comprising the following steps of:
firstly, constructing a cofferdam of a tail water tunnel (3), and constructing a waterproof cofferdam at an outlet of a lower reservoir by the tail water tunnel (3) to prevent water flow from flowing backwards into the tail water tunnel (3) which is not constructed yet;
secondly, constructing a tail water tunnel (3), sequentially excavating a second tail water tunnel (3-3) to a design position along the horizontal direction by using TBM equipment from the rear of the tail water tunnel (3), then continuously excavating a tail water slope (3-2) downwards by using the TBM equipment to the design position, and then excavating a horizontal first tail water tunnel (3-1) to the design position by using the TBM equipment;
thirdly, constructing a factory building tunnel (2-1) and a factory building power generation system chamber (2-2), continuously excavating the factory building tunnel (2-1) to a design position along a first tail water tunnel (3-1) by using TBM equipment, and excavating the factory building power generation system chamber (2-2) at the design position of the factory building tunnel (2-1);
fourthly, constructing a long and slow inclined shaft (4), and obliquely excavating the long and slow inclined shaft (4) to a design position along a plant tunnel (2-1) by using TBM equipment;
and fifthly, constructing the water delivery tunnel (1), and continuously excavating the water delivery tunnel (1) by using TBM equipment along the long slow inclined shaft (4) until the water delivery tunnel is communicated with the upper reservoir according to design requirements, so that the upper reservoir and the lower reservoir are communicated by a tunnel formed by the water delivery tunnel (1), the long slow inclined shaft (4), the factory building tunnel (2-1) and the tail water tunnel (3), and water flow can flow between the upper reservoir and the lower reservoir through the tunnel.
7. The pumped storage chamber construction method suitable for TBM construction of claim 6, wherein the method comprises the following steps: in the third step, when the central axis of the factory building tunnel (2-1) and the central axis of the long slow inclined shaft (4) are not on the same horizontal line during the construction of the factory building tunnel (2-1), and excavating a curve with the minimum radius of 500m in the plant tunnel (2-1) until one end of the plant tunnel (2-1) and the long slow inclined shaft (4) are positioned on the same horizontal line.
8. The pumped storage chamber construction method suitable for TBM construction of claim 7, wherein: before the fifth step, if water exists in the upper reservoir, a cofferdam of the water delivery tunnel (1) is built at the designed communicating port of the water delivery tunnel (1) and the upper reservoir before the construction of the water delivery tunnel (1), and then the water delivery tunnel (1) is communicated with the upper reservoir.
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| CN112195883B (en) * | 2020-07-02 | 2022-03-18 | 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 |
| CN113051644B (en) * | 2021-03-18 | 2023-10-31 | 国网新源控股有限公司 | Hydropower station diversion inclined shaft excavation diameter determining method suitable for TBM construction |
| CN115094845A (en) * | 2022-05-21 | 2022-09-23 | 徐康瑞 | Pumped storage chamber suitable for TBM construction and construction method |
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| SU1709010A1 (en) * | 1989-06-19 | 1992-01-30 | Среднеазиатское Отделение Всесоюзного Проектно-Изыскательского И Научно-Исследовательского Института "Гидропроект" Им.С.Я.Жука | High-pressure underground spillway |
| CN201347547Y (en) * | 2008-12-18 | 2009-11-18 | 湖北白莲河抽水蓄能有限公司 | Grounding net of pumped-storage power station |
| JP2012202025A (en) * | 2011-03-23 | 2012-10-22 | Tokyo Electric Power Co Inc:The | Headrace tunnel and method for constructing headrace tunnel |
| CN102619200A (en) * | 2012-04-13 | 2012-08-01 | 中国水利水电科学研究院 | Energy dissipation method of sidewall aeration steps and outlet submerged flip bucket of inclined shaft type flood discharge tunnel |
| CN203347842U (en) * | 2013-05-20 | 2013-12-18 | 山东华联矿业股份有限公司 | Large-volume sump for underground mine |
| CN203855944U (en) * | 2014-05-23 | 2014-10-01 | 中国水电顾问集团北京勘测设计研究院有限公司 | Outgoing line hole structure for underground powerhouse |
| CN105926547A (en) * | 2016-04-27 | 2016-09-07 | 杨毅 | Construction method for slope in ogee segment of large-section spillway tunnel |
| CN107035377A (en) * | 2017-06-24 | 2017-08-11 | 浙江华东工程咨询有限公司 | A kind of construction method of tailwater tunnel excavation supporting |
| CN108104720A (en) * | 2017-12-19 | 2018-06-01 | 北京中煤矿山工程有限公司 | The non-development blasting machine well drilling technology of hydroenergy storage station pressure pipeline inclined shaft |
| CN109267549A (en) * | 2018-10-15 | 2019-01-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Diversion tunnel structure |
| CN210396745U (en) * | 2019-06-14 | 2020-04-24 | 中国水利水电建设工程咨询西北有限公司 | Pumped storage chamber suitable for TBM construction |
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