CN113174910B - Double-shaft rotational flow energy dissipation flood discharge tunnel structural style - Google Patents
Double-shaft rotational flow energy dissipation flood discharge tunnel structural style Download PDFInfo
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- CN113174910B CN113174910B CN202110497090.XA CN202110497090A CN113174910B CN 113174910 B CN113174910 B CN 113174910B CN 202110497090 A CN202110497090 A CN 202110497090A CN 113174910 B CN113174910 B CN 113174910B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/04—Free-flow canals or flumes; Intakes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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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
Abstract
The invention discloses a double-shaft rotational flow energy dissipation flood discharge tunnel structure type which comprises a horizontal rotational flow vertical shaft, wherein the horizontal rotational flow vertical shaft is an underground reinforced concrete circular section structure, a horizontal rotational flow aerator is fixedly arranged on the inner wall of the horizontal rotational flow vertical shaft, the bottom of the horizontal rotational flow vertical shaft is fixedly connected with a horizontal rotational flow swirling chamber, a horizontal rotational flow lower horizontal tunnel is fixedly arranged at the end part of the horizontal rotational flow swirling chamber, and the horizontal rotational flow lower horizontal tunnel is a reinforced concrete circular section structure reconstructed from a diversion tunnel. This two shaft whirl energy dissipation flood discharge hole structural style through horizontal whirl shaft and the vertical whirl shaft that sets up for this flood discharge structure is even can be stable completion whirl energy dissipation operation under the circumstances that flood head and flow increase gradually stabilizes the flood discharge, and then very big improvement the device's durability and suitability, and through rebuilding into permanent flood discharge hole with interim diversion tunnel, make this flood discharge structure arrange in a flexible way, construction convenience and cost are lower.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a double-shaft rotational flow energy dissipation flood discharging tunnel structure.
Background
In the existing hydraulic and hydroelectric engineering, most of geological conditions are complex, flood discharge and energy dissipation buildings are difficult to arrange, especially for hubs of some local material dams, the engineering quantity of diversion tunnels is large, and how to effectively utilize the later reconstruction of the diversion tunnels into flood discharge tunnels is a technical difficulty in engineering design. Although the existing vertical shaft rotational flow flood discharging hole can achieve the effect, a single vertical shaft rotational flow flood discharging hole cannot meet the requirement along with the increase of a water head and flow, the energy dissipation effect of a general rotational flow energy dissipation flood discharging hole structure type is poor, when the water flow is too large, the water flow impacts the vertical shaft, so that the internal structure is easily damaged greatly, and further certain use defects exist.
Aiming at the problems, innovative design is urgently needed on the basis of the original rotational flow energy dissipation flood discharge tunnel structure.
Disclosure of Invention
The invention aims to provide a double-vertical-shaft rotational flow energy dissipation flood discharging tunnel structure type to solve the problems that a single vertical-shaft rotational flow flood discharging tunnel cannot meet flood discharging requirements and has poor energy dissipation effect along with increase of water head and flow rate in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a two shaft whirl energy dissipation flood discharge hole pattern of structure, includes:
the horizontal rotational flow vertical shaft is of an underground reinforced concrete circular section structure, a horizontal rotational flow aerator is fixedly arranged on the inner wall of the horizontal rotational flow vertical shaft, the bottom of the horizontal rotational flow vertical shaft is fixedly connected with a horizontal rotational flow swirling chamber, a horizontal rotational flow lower horizontal tunnel is fixedly arranged at the end part of the horizontal rotational flow swirling chamber, and the horizontal rotational flow lower horizontal tunnel is of a reinforced concrete circular section structure reconstructed from a diversion tunnel;
one port of the horizontal rotational flow ventilation vertical shaft is communicated with the atmosphere, and the other port of the horizontal rotational flow ventilation vertical shaft is communicated with the horizontal rotational flow swirling chamber;
the vertical whirl shaft, it is used for the vertical flood discharge operation to rivers, and the vertical whirl vortex chamber of top fixedly connected with of vertical whirl shaft to the avris fixed mounting of vertical whirl shaft has the bungalow section under the vertical whirl, and the bungalow communicates with each other under the bungalow section and the horizontal whirl under the vertical whirl, and the inside parallel fixedly connected with dead lever that runs through of vertical whirl shaft, and the outer wall welding of dead lever has lower spiral plate moreover.
Preferably, horizontal whirl water inlet has been seted up to the avris of horizontal whirl shaft, and the inside gomphosis of horizontal whirl water inlet installs control flap to control flap is practical weir type control gate, and the inside parallel through connection that also has the dead lever of horizontal whirl shaft moreover, and the dead lever is vertical to run through in the inside of horizontal whirl air entrainment ridge, and horizontal whirl air entrainment ridge top has last spiral plate in the outer wall welding of dead lever in addition, and spiral plate under the outer wall welding of dead lever is gone up to horizontal whirl air entrainment ridge bottom.
Preferably, the horizontal cyclone swirling chamber is a reinforced concrete structure reconstructed by a diversion tunnel, and a horizontal cyclone deflecting ridge is arranged on one side of a water outlet of the horizontal cyclone swirling chamber.
Preferably, the inside of the vertical cyclone vortex chamber is provided with a vertical cyclone flow guide ridge, the side of the vertical cyclone vortex chamber is fixedly connected with a vertical cyclone connecting section, the end part of the vertical cyclone connecting section is fixedly provided with a vertical cyclone upper flat tunnel section, the top of the vertical cyclone upper flat tunnel section is fixedly connected with a vertical cyclone inlet lock chamber section, and the top of the vertical cyclone vortex chamber is a vault.
Preferably, the vertical rotational flow diversion ridge is enclosed by a water retaining surface, a back water surface and a connecting surface; the water retaining surface is a vertically arranged plane, the back water surface is a vertically arranged arc surface, the radius R of the arc surface is 0.1-0.5 times of the inner diameter of the vortex chamber, the angle corresponding to the arc surface is 60-90 degrees, and the connecting surface is attached to the inner side wall of the vortex chamber.
Preferably, the hollow frame body that vertical whirl linkage segment comprises bottom plate, roof and curb plate, and the bottom plate is connected with abrupt slope section bottom plate by parabola section bottom plate and constitutes, parabola section bottom plate is connected with the bottom slope of the flat tunnel section on the vertical whirl, abrupt slope section bottom plate is connected with vertical whirl vortex chamber to the roof is connected with the slope linkage segment roof by horizontal segment roof and slope pressing linkage segment, the horizontal segment roof is connected with the roof of the flat tunnel section on the vertical whirl, slope pressing linkage segment roof is connected with vertical whirl vortex chamber, and the vertical whirl linkage segment accords with the parabola equation with the side wall shape of vortex chamber junction in addition.
Preferably, the slope ratio of the bottom slope of the vertical cyclone upper open cut tunnel section is 1-5%, and the slope ratio of the bottom slope of the vertical cyclone lower open cut tunnel section is 1-5 per thousand.
Compared with the prior art, the invention has the beneficial effects that: the double vertical shaft rotational flow energy dissipation flood discharge tunnel has a structural type;
1. the energy dissipation flood discharge structure is provided with the horizontal rotational flow vertical shaft and the vertical rotational flow vertical shaft, so that the flood discharge structure can stably complete rotational flow energy dissipation operation to stably discharge flood even under the condition that a water head and flow are gradually increased through the horizontal rotational flow vertical shaft and the vertical rotational flow vertical shaft, the durability and the applicability of the device are greatly improved, and the temporary flow guiding tunnel is changed into a permanent flood discharge tunnel, so that the flood discharge structure is flexible in arrangement, convenient to construct and low in manufacturing cost;
2. be provided with horizontal whirl chamber of starting to revolve, vertical whirl vortex chamber, the dissipation structure that upper spiral plate and lower spiral plate are constituteed, horizontal whirl chamber of starting to revolve through the setting, make rivers in the horizontal whirl shaft can effectually carry out certain elimination through rotatory coming the energy, through the vertical whirl vortex chamber of setting, make rivers in the vertical whirl shaft can carry out the energy dissipation through rotatory, upper spiral plate and lower spiral plate through the setting, make rivers can rotate downwards when this structure flows, let the flow of rivers at a more mild uniform velocity, through setting up horizontal hole and vertical whirl down the flat hole section under the horizontal whirl simultaneously and communicate with each other, make rivers after horizontal whirl energy dissipation and rivers after vertical whirl energy dissipation collide the energy consumption again at the flat hole section, and then make this structure have better energy dissipation effect.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is a schematic view of the structural connection of the vertical swirl inlet lock chamber section and the vertical swirl vortex chamber of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic side sectional view of a horizontal swirl flow-through shaft of the present invention.
In the figure: 1. a horizontal rotational flow water inlet; 2. a horizontal rotational flow vertical shaft; 3. a horizontal rotational flow swirling chamber; 4. horizontal rotational flow lower horizontal tunnel; 5. a horizontal cyclone ventilation shaft; 6. a horizontal rotational flow aerator; 7. a horizontal rotational flow deflection ridge; 8. a vertical swirl inlet lock chamber section; 9. a vertical rotational flow upper horizontal tunnel section; 10. a vertical rotational flow connecting section; 11. a vertical swirl vortex chamber; 12. a vertical rotational flow shaft; 13. a lower horizontal tunnel section is vertically rotated; 14. fixing the rod; 15. an upper spiral plate; 16. a lower spiral plate; 17. a control valve; 18. and (5) a vertical rotational flow diversion ridge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a two shaft whirl energy dissipation flood discharge hole pattern of structure, includes: the device comprises a horizontal rotational flow water inlet 1, a horizontal rotational flow vertical shaft 2, a horizontal rotational flow swirling chamber 3, a horizontal rotational flow lower open cut 4, a horizontal rotational flow ventilating vertical shaft 5, a horizontal rotational flow aerator 6, a horizontal rotational flow deflection weir 7, a vertical rotational flow inlet lock chamber section 8, a vertical rotational flow upper open cut section 9, a vertical rotational flow connecting section 10, a vertical rotational flow vortex chamber 11, a vertical rotational flow vertical shaft 12, a vertical rotational flow lower open cut section 13, a fixed rod 14, an upper spiral plate 15, a lower spiral plate 16, a control valve 17 and a vertical rotational flow deflection weir 18;
the horizontal rotational flow vertical shaft 2 is of an underground reinforced concrete circular section structure, a horizontal rotational flow aerator 6 is fixedly arranged on the inner wall of the horizontal rotational flow vertical shaft 2, the bottom of the horizontal rotational flow vertical shaft 2 is fixedly connected with a horizontal rotational flow swirling chamber 3, a horizontal rotational flow lower horizontal tunnel 4 is fixedly arranged at the end part of the horizontal rotational flow swirling chamber 3, and the horizontal rotational flow lower horizontal tunnel 4 is of a reinforced concrete circular section structure reconstructed from a diversion tunnel;
one port of the horizontal rotational flow ventilation vertical shaft 5 is communicated with the atmosphere, and the other port of the horizontal rotational flow ventilation vertical shaft is communicated with the horizontal rotational flow swirling chamber 3;
a vertical rotational flow shaft 12 for vertically performing flood discharge operation on water flow, and a top portion of the vertical rotational flow shaft 12 is fixedly connected with a vertical rotational flow vortex chamber 11, and an edge side of the vertical rotational flow shaft 12 is fixedly provided with a lower horizontal tunnel section 13 of the vertical rotational flow, and the lower horizontal tunnel section 13 of the vertical rotational flow is communicated with the lower horizontal tunnel 4 of the horizontal rotational flow, and the inside of the vertical rotational flow shaft 12 is parallelly penetrated through a fixed rod 14 fixedly connected with the fixed rod, and the outer wall of the fixed rod 14 is welded with a lower spiral plate 16.
The horizontal rotational flow water inlet 1 is formed in the side of the horizontal rotational flow vertical shaft 2, the control valve 17 is installed in the horizontal rotational flow water inlet 1 in an embedded mode, the control valve 17 is a practical weir-type control gate, the fixing rod 14 is connected to the inside of the horizontal rotational flow vertical shaft 2 in a parallel penetrating mode, the fixing rod 14 vertically penetrates through the inside of the horizontal rotational flow air-entrainment ridge 6, the upper spiral plate 15 is welded to the outer wall of the fixing rod 14 at the top of the horizontal rotational flow air-entrainment ridge 6, the lower spiral plate 16 is welded to the outer wall of the fixing rod 14 at the bottom of the horizontal rotational flow air-entrainment ridge 6, and the upper spiral plate 15 is arranged at the top of the horizontal rotational flow air-entrainment ridge 6 and the lower spiral plate 16 is arranged at the bottom of the horizontal rotational flow air-entrainment ridge 6, so that the spiral plates cannot affect the use of the horizontal rotational flow air-entrainment ridge 6 when water flow is guided to descend;
the horizontal rotational flow swirling chamber 3 is of a reinforced concrete structure reconstructed by a diversion tunnel, a horizontal rotational flow baffling ridge 7 is arranged on one side of a water outlet of the horizontal rotational flow swirling chamber 3, and through the arranged horizontal rotational flow baffling ridge 7, water flow can better perform energy dissipation operation in the horizontal rotational flow vertical shaft 2;
a vertical rotational flow guide ridge 18 is arranged inside the vertical rotational flow vortex chamber 11, the edge side of the vertical rotational flow vortex chamber 11 is fixedly connected with a vertical rotational flow connecting section 10, the end part of the vertical rotational flow connecting section 10 is fixedly provided with a vertical rotational flow upper flat tunnel section 9, the top of the vertical rotational flow upper flat tunnel section 9 is fixedly connected with a vertical rotational flow inlet lock chamber section 8, and the top of the vertical rotational flow vortex chamber 11 is an arch top;
the vertical rotational flow diversion ridge 18 is formed by enclosing a water retaining surface, a back water surface and a connecting surface; the water retaining surface is a vertically arranged plane, the back water surface is a vertically arranged arc surface, the radius R of the arc surface is 0.1-0.5 times of the inner diameter of the volute chamber, the corresponding angle of the arc surface is 60-90 degrees, the connecting surface is attached to the inner side wall of the volute chamber, and through the arranged vertical rotational flow guide ridge 18, water flow can perform better energy dissipation operation in the vertical rotational flow vertical shaft 12;
the vertical rotational flow connecting section 10 is a hollow frame body consisting of a bottom plate, a top plate and side plates, the bottom plate is formed by connecting a parabolic section bottom plate and a steep slope section bottom plate, the parabolic section bottom plate is connected with a bottom slope of a vertical rotational flow upper flat tunnel section 9, the steep slope section bottom plate is connected with a vertical rotational flow vortex chamber 11, the top plate is formed by connecting a horizontal section top plate and a slope pressing connecting section top plate, the horizontal section top plate is connected with a top plate of the vertical rotational flow upper flat tunnel section 9, the slope pressing connecting section top plate is connected with the vertical rotational flow vortex chamber 11, and the shape of a side wall at the connecting part of the vertical rotational flow connecting section 10 and the vortex chamber conforms to a parabolic equation, so that water flow can be better dissipated;
the slope ratio of the bottom slope of the vertical rotational flow upper open cut tunnel section 9 is 1-5%, and the slope ratio of the bottom slope of the vertical rotational flow lower open cut tunnel section 13 is 1-5 per mill.
The working principle is as follows: when the double-shaft rotational flow energy dissipation flood discharging tunnel structure is used, according to the figures 1, 3 and 4, when a horizontal rotational flow shaft 2 is required to be used for flood discharging operation, a control valve 17 is opened to allow water flow to enter the horizontal rotational flow shaft 2 through a horizontal rotational flow water inlet 1, then the water flow rotates on an upper spiral plate 15 on the side of a fixed rod 14, then the water flow passes through a horizontal rotational flow aerator 6 to perform preliminary energy dissipation, then the water flow enters a horizontal rotational flow swirling chamber 3 through the rotation of a lower spiral plate 16 to perform rotational energy dissipation operation, meanwhile, external air enters the horizontal rotational flow chamber 3 through a horizontal rotational flow ventilation shaft 5, through a horizontal rotational flow baffle 7, the energy dissipation effect in the horizontal rotational flow chamber 3 is better, and then the water which is subjected to energy dissipation in the horizontal rotational flow chamber 3 enters the horizontal rotational flow lower horizontal rotational flow hole 4 to be discharged;
according to the figures 1 and 2, when a vertical rotational flow vertical shaft 12 is required to be used for flood discharge operation, water flow enters the vertical rotational flow upper flat tunnel section 9 through the vertical rotational flow inlet lock chamber section 8, then enters the vertical rotational flow vortex chamber 11 through the vertical rotational flow connecting section 10 to perform energy dissipation operation, the vertical rotational flow guide ridge 18 is arranged to enable the energy dissipation effect in the vertical rotational flow vortex chamber 11 to be better, and the water flow subjected to energy dissipation enters the vertical rotational flow lower flat tunnel section 13 to be discharged.
Those not described in detail in this specification are within the skill of the art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a two shaft whirl energy dissipation flood discharge hole structural style which characterized in that includes:
the horizontal rotational flow vertical shaft is of an underground reinforced concrete circular section structure, a horizontal rotational flow water inlet is formed in the side of the horizontal rotational flow vertical shaft, a control valve is embedded in the horizontal rotational flow water inlet and is a practical weir type control gate, a fixed rod is connected to the inside of the horizontal rotational flow vertical shaft in a parallel penetrating mode, the fixed rod vertically penetrates through the inside of the horizontal rotational flow aerator, an upper spiral plate is welded to the outer wall of the fixed rod at the top of the horizontal rotational flow aerator, and a lower spiral plate is welded to the outer wall of the fixed rod at the bottom of the horizontal rotational flow aerator; a horizontal rotational flow aeration ridge is fixedly arranged on the inner wall of the horizontal rotational flow vertical shaft, the bottom of the horizontal rotational flow vertical shaft is fixedly connected with a horizontal rotational flow swirling chamber, the end part of the horizontal rotational flow swirling chamber is fixedly provided with a horizontal rotational flow lower horizontal tunnel, and the horizontal rotational flow lower horizontal tunnel is a reinforced concrete circular section structure reconstructed from a diversion tunnel;
one port of the horizontal rotational flow ventilation vertical shaft is communicated with the atmosphere, and the other port of the horizontal rotational flow ventilation vertical shaft is communicated with the horizontal rotational flow swirling chamber;
the vertical rotational flow vertical shaft is used for vertically performing flood discharge operation on water flow, the top of the vertical rotational flow vertical shaft is fixedly connected with a vertical rotational flow vortex chamber, a vertical rotational flow guide ridge is arranged inside the vertical rotational flow vortex chamber, the side of the vertical rotational flow vortex chamber is fixedly connected with a vertical rotational flow connecting section, the end part of the vertical rotational flow connecting section is fixedly provided with a vertical rotational flow upper horizontal tunnel section, the top of the vertical rotational flow upper horizontal tunnel section is fixedly connected with a vertical rotational flow inlet lock chamber section, and the top of the vertical rotational flow vortex chamber is an arch top; the vertical rotational flow diversion ridge is formed by enclosing a water retaining surface, a back water surface and a connecting surface; the water retaining surface is a vertically arranged plane, the back water surface is a vertically arranged cambered surface, the radius R of the cambered surface is 0.1-0.5 times of the inner diameter of the vortex chamber, the corresponding angle of the cambered surface is 60-90 degrees, and the connecting surface is attached to the inner side wall of the vortex chamber; a lower horizontal tunnel section of the vertical rotational flow is fixedly installed at the side of the vertical rotational flow vertical shaft and communicated with the lower horizontal tunnel of the horizontal rotational flow, a fixed rod penetrates through the vertical rotational flow vertical shaft in parallel and is fixedly connected with the vertical rotational flow vertical shaft, and a lower spiral plate is welded on the outer wall of the fixed rod;
the vertical rotational flow connecting section is a hollow frame body consisting of a bottom plate, a top plate and side plates, the bottom plate is formed by connecting a parabolic section bottom plate and a steep slope section bottom plate, the parabolic section bottom plate is connected with a bottom slope of a horizontal tunnel section on the vertical rotational flow, the steep slope section bottom plate is connected with a vertical rotational flow vortex chamber, the top plate is formed by connecting a horizontal section top plate and a slope pressing connecting section top plate, the horizontal section top plate is connected with the top plate of the horizontal tunnel section on the vertical rotational flow, the slope pressing connecting section top plate is connected with the vertical rotational flow vortex chamber, and the shape of a side wall at the connecting part of the vertical rotational flow connecting section and the vortex chamber conforms to a parabolic equation;
the bottom slope ratio of the vertical rotational flow upper open cut section is 1-5%, and the bottom slope ratio of the vertical rotational flow lower open cut section (13) is 1-5%.
2. The structural form of the double-shaft rotational flow energy dissipation flood discharge tunnel according to claim 1, wherein: the horizontal cyclone swirling chamber is of a reinforced concrete structure reconstructed by a diversion tunnel, and a horizontal cyclone baffling ridge is arranged on one side of a water outlet of the horizontal cyclone swirling chamber.
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| CN202110497090.XA CN113174910B (en) | 2021-05-07 | 2021-05-07 | Double-shaft rotational flow energy dissipation flood discharge tunnel structural style |
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| CN202110497090.XA CN113174910B (en) | 2021-05-07 | 2021-05-07 | Double-shaft rotational flow energy dissipation flood discharge tunnel structural style |
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| CN113174910B true CN113174910B (en) | 2022-01-04 |
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| CN113622384B (en) * | 2021-08-09 | 2022-09-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Slope upper edge capable of enhancing self-aeration capacity of water flow surface |
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| CN201214781Y (en) * | 2008-06-06 | 2009-04-01 | 中国水电顾问集团西北勘测设计研究院 | Horizontal rotational flow energy dissipating flood discharging hole |
| CN104452701A (en) * | 2014-11-12 | 2015-03-25 | 中国电建集团成都勘测设计研究院有限公司 | Rotational flow shaft type drainage tunnel |
| CN108221884A (en) * | 2018-01-09 | 2018-06-29 | 河海大学 | Double slideway spiral-flow type side wall energy dissipating drilled shafts |
| CN110424343A (en) * | 2019-07-12 | 2019-11-08 | 四川大学 | A kind of rotational flow silo flood discharging tunnel with volute chamber aerated bank |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3856811B2 (en) * | 2005-04-27 | 2006-12-13 | 日本海洋掘削株式会社 | Excavation method and apparatus for submerged formation |
| IT1401219B1 (en) * | 2010-07-15 | 2013-07-12 | Trevi Spa | HEAD OF INJECTION TO INJECT PRESSURIZED FLUID CONSOLIDATING MIXTURES IN THE GROUND. |
| CL2016003365A1 (en) * | 2016-12-28 | 2018-09-14 | Univ Pontificia Catolica Chile | Combination of anchorage to foundations and energy dissipator for vertical liquid storage tanks, vertical pressure vessel, silo or similar of thin wall and continuous support. |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201214781Y (en) * | 2008-06-06 | 2009-04-01 | 中国水电顾问集团西北勘测设计研究院 | Horizontal rotational flow energy dissipating flood discharging hole |
| CN104452701A (en) * | 2014-11-12 | 2015-03-25 | 中国电建集团成都勘测设计研究院有限公司 | Rotational flow shaft type drainage tunnel |
| CN108221884A (en) * | 2018-01-09 | 2018-06-29 | 河海大学 | Double slideway spiral-flow type side wall energy dissipating drilled shafts |
| CN110424343A (en) * | 2019-07-12 | 2019-11-08 | 四川大学 | A kind of rotational flow silo flood discharging tunnel with volute chamber aerated bank |
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