Multiple-use hydraulic power facility (versions)

FIELD: construction, water engineering.

SUBSTANCE: said utility invention relates to hydrotechnical and hydraulic power construction. The facility contains a hydraulic unit attached to a flexible blanket, a flexible apron, and the bed using channel anchors, and a water-retaining shell attached to the hydraulic unit using a rigid mounting assembly, and to the onshore anchoring supports with a cable system. In the first version, the cable system is equipped with additional longitudinal and transversal cables for the shaping of the water-retaining shell providing the calculated vertical compression of the flow and minimum head loss. In the second version, flexible plates are installed at the approach to the hydraulic unit for the provision of gradual lateral compression of the flow; the plates are secured to the rigid mounting assembly, bed slopes, and the flexible apron using anchors with tighteners providing pretensioning of the longitudinal cables. For the water-retaining shell stability and elimination of its vibrations, the facility is equipped with transversal stiffeners following the contour of the calculated cross section of the water-retaining shell and attached, along the perimeter, to the bed anchors with stay cables, the water-retaining shell from the headwater side, and the hydraulic unit using the rigid mounting assembly; and longitudinal stiffeners attached to the flexible plates, longitudinal cables, transversal stiffeners, and the water-retaining shell using flexible connections. In the third version, with small spans and stable bank slopes, the cable system is equipped with additional longitudinal cables for the shaping of the water-retaining shell providing the calculated vertical compression of the flow and minimum head loss. In the fourth version, for better stability of the structure, better tension of the longitudinal cables, and quick construction, extendable arms are installed along the upper and lower edges of the water-retaining shell; the arm ends are connected to the flexible plates. In the fifth version, the water-retaining shell consists of flexible strips or shapes attached to an elastic web from two sides, through which longitudinal cables pass for giving the shell a fantail shape; the flexible strips are installed at an angle to the flow to ensure the calculated shape of the water-retaining shell. In the sixth version, the water-retaining shell is designed as a closed fillable shell taking the calculated shape when filled with water or other filler through filling devices, and is secured with one longitudinal cable passing along its top. For fish protection, some versions have fish passes in the water-retaining shell, while the other versions have fishways at the hydraulic unit edges. For the protection of the hydraulic unit and the additional attachment of the cable system, a protection screen is installed.

EFFECT: construction of temporary water utilisation system for local power supply, irrigation, water supply, fish farming, and fire protection.

6 cl, 14 dwg

 

The invention relates to hydraulic and hydroelectric construction and can be used in the construction wodoodporne structures, including in emergency situations, to create a small mobile power stations.

A device of the dam, including flexible shell made across the width of the watercourse along the upper edges connected by cable systems, and the lower edge is stationary.

Reasons that prevent obtaining the desired technical result, are cumbersome and greater precision during construction /1/.

A device downstream of the dam, including flexible open wodoodporne and closed water shell, downcast and the apron, the holes in the middle part of the shell /2/.

The obstacles to obtaining the required technical result is the complexity in operation and no device turbines use the kinetic energy of the flow.

Closest technical solution is a portable submersible unit with cross-flow turbine /3/.

The reason that prevent obtaining the required technical result is the impossibility of its use with shallow stream.

The closest technical solution is a device that includes Obolo is and tubular element with holes, formed by the upper and lower pools /4/.

The obstacles to obtaining the required technical result is a permanent hard's sill, the absence of the element to produce electrical energy, as well as the shape of the shell, do not provide optimal conditions for the approach flow to the unit.

The close method of construction is the method of construction of a retaining-aeration control structure, including the Assembly in the stream's sill flexible, consisting of a flexible downcast and a flexible apron, preparing trenches, installation of parts and the installation finished construction in the channel [5].

Closest to the present invention is a method of construction of retaining and regulating hydroelectric facility, including the Assembly in the stream's sill flexible, consisting of a flexible downcast and a flexible apron, holding anchors to the bottom of the watercourse, wherein the flexible ponnuru and a flexible apron attached hard-link the water outlet device is installed inside the unit, and then to the water outlet device is fixed links wodoodporne shell together with the suspension system, to strengthen coastal anchor supports [6].

The proposed solution will allow you to create a temporary water management node with the decision of the Lok is a high energy, irrigation, water supply, fish farming, and provide for containment of a wildfire.

This technical result is achieved by creating a hydroelectric facility.

Distinctive features of the proposed hydroelectric facility reusable is the presence of nodes in the ribs, giving the shell the shape of the confuser, causing minimal water loss and optimal compression flow at the approach to the unit, which increases the efficiency of the specific energy of the flow when receiving electric energy, as well as fish passage devices and protective mesh, fixed longitudinal guy along the unit to protect it.

When dimensioning the cross-section wodoodporne shell come from the shape of the free surface of the jet flowing from under the thin walls. Taking the ideal fluid flow and parallel-sided, may be replaced with line currents found by hydromechanical, approximarely elliptic curves. Based on the available data for plane-parallel flow of the semimajor axis of the ellipse that is used when approximating the surface of the stream when the end from under the shutter, is taken equal to the depth upstream of the hV.B.and the semiminor axis b=(1-ε)P, where #x003B5; is the compression ratio of the jet, the P - height of the shell. Then the equation of the ellipse with the origin located downstream on the line drawn on the free surface of water upstream, takes the form [7]:

.

The proposed design of hydropower facilities are illustrated by the drawings, in figure 1-14.

Hydropower construction (1, 2) reusable, containing the hydraulic unit 1 is attached to a flexible ponnuru 2, a flexible apron 3 and channel using channel anchors 4, wodoodporne shell 5, is attached to the hydraulic unit 1 and channel using hard links 7 and to the coastal anchor supports 8 by cable system 9 comprising a grid of 10 longitudinal and transverse 11 guys fixed rigid connection 7, and a flexible downcast 2, a flexible apron 3 on the perimeter and wodoodporne shell 5 along the edges of the fixed bracket, characterized in that to form wodoodporne shell 5 providing the calculated vertical compressive flow and minimum pressure loss, cable system 9 is provided with an additional 10 longitudinal and transverse 11 guys, for the purposes of fishery activities in wodoodporne shell 5 posted by fish passage device 6, and to protect the unit and attaching the suspension system 9 is mounted behind itna grid 12, attached to the stream flow of the anchors 4 in the lower part and the upper - lower fish passage devices 6 to 10 longitudinal guy along the hydraulic unit 1.

Hydropower construction reusable works as follows. Under the action of water flow flexible downcast 2, reinforced anchor 4, is pressed to the bed and ensures the stability of the structure. Then wodoodporne shell 5, attached by cable system 9 to the stream flow to the anchors 8, creates a rise in water level upstream of and at the expense of 10 longitudinal and transverse 11 guy takes the form, providing optimum compression flow and the least loss of energy during the approach to unit 1. With the passage of the water flow through the protective grid 12 to the hydraulic unit 1 induces the production of energy. When leaving the unit 1 water comes on a flexible apron 3, which protects the channel downstream from washing away.

Hydropower construction reusable (3, 4), containing the hydraulic unit 1 is attached to a flexible ponnuru 2, a flexible apron 3 and channel using channel anchors 4, wodoodporne shell 5, is attached to the hydraulic unit 1 using a hard mount and coastal anchor supports 8 by cable system 9 comprising a grid of 10 longitudinal and transverse lines 11 mounted rigid nexus 7, and a flexible downcast 2, g is BCA apron 3 on the perimeter and wodoodporne shell 5 along the edges of the fixed bracket, characterized in that to form wodoodporne shell 5 provides the calculated vertical compressive flow and minimum pressure loss, cable system 9 is provided with an additional 10 longitudinal and transverse 11 guys, to ensure a smooth lateral compression of the flow at the approach to the hydraulic unit 1 is installed flexible plate 14, is attached to the rigid attachment, the slopes of the channel and a flexible apron with 3 anchors with tensioning devices 15, which provides pretensioning longitudinal 10 guys, and to ensure the sustainability of wodoodporne shell 5 and eliminating its vibration structure provided with transverse ribs 16, repeating the shape of the calculated cross-sectional wodoodporne shell 5 and is secured around the perimeter using a guy-guys to stream flow the anchors 4, wodoodporne shell 5 from the side of the upstream and the hydraulic unit 1 due to the ill of the mount, and the longitudinal ribs 18 fixed to the flexible plates 14, longitudinal 10 guys, transverse ribs 16 and wodoodporne the shell 5 by means of flexible connections 19, for the purposes of fishery activities in wodoodporne shell 5 posted by fish passage device 6, and to protect the unit 1 and attaching the suspension system 9 is installed protective grid 12, creadas is to stream flow the anchors 4 in the lower part and at the top - lower fish passage devices 6 to 10 longitudinal guy along the hydraulic unit 1.

Hydropower construction reusable works as follows. Under the action of water flow flexible downcast 2, reinforced anchor 4, is pressed to the bed and ensures the stability of the structure. Then wodoodporne shell 5, attached by cable system 9 to the stream flow to the anchors 8, creates a rise in the water level upstream. Next, using the anchors with the tensioning device 15 is provided by the longitudinal tension 10 guys between the flexible plates 14, as well as through cross-past 11, the transverse ribs 16 and flexible connections 19 wodoodporne shell 5 is shaped, providing optimum compression flow and the least loss of energy during the approach to unit 1. With the passage of the water flow through the protective grid 12 to the hydraulic unit 1 induces the production of energy. At the outlet of the hydraulic unit 1 water comes on a flexible apron 3, which protects the channel downstream from washing away.

Hydropower construction reusable (5, 6), containing the hydraulic unit 1 is attached to a flexible ponnuru 2, a flexible apron 3 and channel using channel anchors 4, wodoodporne shell 5, is attached to the hydraulic unit 1 using a hard mount and coastal anchor supports VA the postal system 8, includes a grid of longitudinal past 10 fixed rigid relationship, and flexible downcast 2, a flexible apron 3 on the perimeter and wodoodporne shell 5 along the edges of the fixed bracket, characterized in that at small spans and sustainable coastal slopes to shape wodoodporne shell 5 provides the calculated vertical compressive flow and minimum pressure loss, cable system 9 is provided with an additional longitudinal 10 guys, to ensure a smooth lateral compression flow when approaching the unit is installed flexible plate 14, is attached to the rigid mount directly to the shore anchor the supports 8, for the purposes of fishery activities in wodoodporne shell 5 posted by fish passage device 6, and to protect the unit and attaching the cable system installed protective net, attached to the stream flow to the anchors at the bottom and in the upper - lower fish passage devices 6 to 10 longitudinal guy along the hydraulic unit 1.

Hydropower construction reusable works as follows. Under the action of water flow flexible downcast 2, reinforced anchor 4, is pressed to the bed and ensures the stability of the structure. Then wodoodporne shell 5 creates a rise in the water level upstream. Next, with anchors skatinami device 15 is provided by the longitudinal tension 10 guys between the flexible plates 14, which are attached directly to the anchor supports 8, as well as through cross-past 11, the transverse ribs 16 and flexible connections 19 wodoodporne shell 5 is shaped, providing optimum compression flow and the least loss of energy during the approach to unit 1. With the passage of the water flow through the protective grid 12 to the hydraulic unit 1 induces the production of energy. At the outlet of the hydraulic unit 1 water comes on a flexible apron 3, which protects the channel downstream from washing away.

Hydropower construction reusable (Fig.7, 8), containing the hydraulic unit 1 is attached to a flexible ponnuru 2, a flexible apron 3 and channel using channel anchors 4, wodoodporne shell 5, is attached to the hydraulic unit 1 using a hard mount and coastal anchor supports 8 by cable system 9 comprising a grid of longitudinal past 10 fixed rigid connection 7, and a flexible downcast 2, a flexible apron 3 on the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that at small spans and sustainable coastal slopes to shape wodoodporne shell 5 provides the calculated vertical compressive flow and minimum pressure loss, cable system 9 is provided with an additional longitudinal backstays, to ensure smooth is th lateral compression flow when approaching the unit is installed flexible plate, attached to the rigid mount directly to the shore anchor supports, and to ensure a more sustainable buildings, the best of longitudinal tension cables and speed of erection along the top and bottom edges wodoodporne shell sliding rod 20, the ends of which are connected with the flexible plates 14, for the purposes of fishery activities in wodoodporne shell 5 posted by fish passage device 6, and to protect the unit 1 and attaching the suspension system 9 is installed protective grid 12, fastened to the stream flow of the anchors 4 in the lower part of the lower and upper fish passage devices 6 to the longitudinal guy 10 along the hydraulic unit 1.

Hydropower construction reusable works as follows. Under the action of water flow flexible downcast 2, reinforced anchor 4, is pressed to the bed and ensures the stability of the structure. Then wodoodporne shell 5 creates a rise in the water level upstream. Further, with the sliding rod 20, the ends of which are connected with the flexible plates 14, which provide better tension wodoodporne shell 5, as well as through cross-past 11, the transverse ribs 16 and flexible connections 19 it is shaped providing optimum compression flow and the least loss of energy during the approach to GI is reaggregate 1. With the passage of the water flow through the protective grid 12 to the hydraulic unit 1 induces the production of energy. At the outlet of the hydraulic unit 1 water comes on a flexible apron 3, which protects the channel downstream from washing away.

Hydropower construction reusable (Fig.9-12)containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors 4, wodoodporne shell 5, is attached to the hydraulic unit 1 using a hard mount and coastal anchor supports 8 by cable system 9 comprising a grid of 10 longitudinal and transverse 11 guys fixed rigid connection 7, and a flexible downcast 2, a flexible apron 3 on the perimeter and wodoodporne shell 5 along the edges of the fixed bracket, characterized in that to form wodoodporne shell 5 provides the calculated vertical compression flow and minimum pressure loss, cable system 9 is provided with an additional longitudinal 10 guys, to ensure a smooth lateral compression of the flow at the approach to the hydraulic unit 1 is installed flexible plate 14, is attached to the rigid attachment, the slopes of the channel and a flexible apron with 3 anchors with tensioning devices 15, which provides a preliminary longitudinal tension cables 10, with wodoodporne shell 5 comprises a flexible poles or profiles 23, attached on two sides to an elastic panel 22, through which is threaded lengthwise guys to make the shell shaped fans, and to ensure settlement form wodoodporne shell 5 flexible strip 22 are located at an angle to the flow, for the purposes of fishery activities on the edges of the unit is constructed fish passage channels 24, and to protect the unit and attaching the cable system installed protective grid 12, fastened to the stream flow of the anchors 4 at the bottom and in the top - 10 to the longitudinal guy along the hydraulic unit 1.

Hydropower construction reusable works as follows. Under the action of water flow flexible downcast 2, reinforced anchor 4, is pressed to the bed and ensures the stability of the structure. Then wodoodporne shell 5, a fan creates a rise in the water level upstream. Next, using flexible plates 14 and flexible strips 21 or profiles 23 it is shaped providing optimum compression flow and the least loss of energy during the approach to unit 1. With the passage of the water flow through the protective grid 12 to the hydraulic unit 1 induces the production of energy. At the outlet of the hydraulic unit 1 water comes on a flexible apron 3, which protects the channel downstream from washing away.

Hydropower aerogenerator use (Fig, 14)containing the hydraulic unit 1 is attached to a flexible ponnuru 2, a flexible apron 3 and channel using channel anchors 4, wodoodporne shell 5, is attached to the hydraulic unit 1 using a hard mount and coastal anchor supports 8 by cable system 9 comprising a grid of longitudinal past 10 fixed rigid connection 7, and a flexible downcast 2, a flexible apron 3 on the perimeter and wodoodporne shell 5 along the edges of the fixed bracket, characterized in that to ensure a smooth lateral compression of the flow at the approach to the hydraulic unit 1 is installed flexible plate 14 attached to hard to mount directly to the shore anchor the supports 8, wodoodporne shell 5 made in the form of a closed filled shell receiving your payment form when filled with water or any other filler through the device for filling 25 fixed at one longitudinal 10 guy, passing on its top, for the purposes of fishery activities on the edges of the unit is constructed fish passage channels 24, and to protect the unit and attaching the cable system installed protective grid 12, fastened to the stream flow to the anchors at the bottom and in the top - 10 to the longitudinal guy along the hydraulic unit 1.

Hydropower construction reusable works as education is. Under the action of water flow flexible downcast 2, reinforced anchor 4, is pressed to the bed and ensures the stability of the structure. Then wodoodporne shell 5, a closed filled shell, creates a rise in the water level upstream. Further, with the sliding rod 20, the ends of which are connected with the flexible plates 14, which provide better tension wodoodporne shell 5. Then there is the filling wodoodporne shell 5 through the device for filling 25 water or any other filler and it is shaped providing optimum compression flow and the least loss of energy during the approach to unit 1. With the passage of the water flow through the protective grid 12 to the hydraulic unit 1 induces the production of energy. At the outlet of the hydraulic unit 1 water comes on a flexible apron 3, which protects the channel downstream from washing away.

If necessary, this structure can be transferred to another similar target and be used multiple times during an emergency.

SOURCES of INFORMATION

1. USSR author's certificate No. 943376, CL EV 7/20, 1976.

2. USSR author's certificate No. 1708009, CL EV 7/20,1991.

3. Brochure of the firm "Energy Alliance", "Portable submersible unit with cross-flow turbine", 2002

4. Copyright evidence of the USSR №643583, CL EV 7/20, 1978.

5. Patent RU №2141552, EV 7/20, 1999.

6. Patent RU №2250950, EV 7/02, 2005.

7. Casarin D.V., Herman G.M., Haurani ED the Use of retaining and regulating hydropower facilities in the construction of the water and emergencies, " Izv. Universities, North KAV. the region. Technology. science. - 2005. - Annex No. 3.

1. Hydropower construction, reusable containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors, wodoodporne shell attached to the hydraulic unit and the bed with a hard mount and coastal anchor supports the suspension system comprising a grid of longitudinal and transverse cables, fixed rigid relationship, and flexible downcast, a flexible apron around the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that to form wodoodporne shell, providing current to the vertical compression of the flow and minimum pressure loss, cable system provided with an additional longitudinal and transverse guys, for the purposes of fishery activities in wodoodporne shell posted by fish passage devices, and to protect the unit and attaching the cable system installed protective net, attached to the stream flow and the KERS at the bottom and at the top - lower fish passage devices to the longitudinal guy along the unit.

2. Hydropower construction, reusable containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors, wodoodporne shell attached to the unit by using a hard mount and coastal anchor supports the suspension system comprising a grid of longitudinal and transverse cables, fixed rigid relationship, and flexible downcast, a flexible apron around the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that to form wodoodporne shell, providing current to the vertical compression of the flow and minimum pressure loss, cable system provided with an additional longitudinal and transverse backstays, to ensure smooth lateral compression flow when approaching the unit is installed flexible plate attached to the rigid attachment, the slopes of the channel and a flexible apron with anchors with stretch devices, providing a preliminary longitudinal tension cables, and to ensure the sustainability of wodoodporne shell and resolve its vibration structure provided with transverse ribs, repeating the shape of the calculated cross-sectional wodoodporne shell and Zack is alenamy on the perimeter with guy-guys to stream flow the anchors, wodoodporne the shell side of the upstream and the unit due to hard mount, and longitudinal ribs fixed to the flexible plate, the longitudinal cables, transverse ribs and wodoodporne shell with flexible links, for the purposes of fishery activities in wodoodporne shell posted by fish passage devices, and to protect the unit and attaching the cable system installed protective net, attached to the stream flow to the anchors at the bottom and in the upper - lower fish passage devices to the longitudinal guy along the unit.

3. Hydropower construction, reusable containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors, wodoodporne shell attached to the unit by using a hard mount and coastal anchor supports the suspension system comprising a grid of longitudinal cables, fixed rigid relationship, and flexible downcast, a flexible apron around the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that at small spans and sustainable coastal slopes to shape wodoodporne shell, providing current to the vertical compression of the flow and minimum pressure loss, cable system with the additional abgene longitudinal guys, to ensure a smooth lateral compression flow when approaching the unit is installed flexible plate attached to the rigid mount directly to the shore anchor supports, in order of fishery activities in wodoodporne shell posted by fish passage devices, and to protect the unit and attaching the cable system installed protective net, attached to the stream flow to the anchors at the bottom and in the upper - lower fish passage devices to the longitudinal guy along the unit.

4. Hydropower construction, reusable containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors, wodoodporne shell attached to the unit by using a hard mount and coastal anchor supports the suspension system comprising a grid of longitudinal cables, fixed rigid relationship, and flexible downcast, a flexible apron around the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that at small spans and sustainable coastal slopes to shape wodoodporne shell, providing current to the vertical compression of the flow and minimum pressure loss, cable system provided with an additional longitudinal guys to ensure smooth is on the side of the compression flow when approaching the unit is installed flexible plate, attached to the rigid mount directly to the shore anchor supports, and to ensure a more sustainable buildings, the best of longitudinal tension cables and speed of erection along the top and bottom edges wodoodporne shell sliding rod, the ends of which are connected with flexible plates, for the purposes of fishery activities in wodoodporne shell posted by fish passage devices, and to protect the unit and attaching the cable system installed protective net, attached to the stream flow to the anchors at the bottom and in the upper - lower fish passage devices to the longitudinal guy along the unit.

5. Hydropower construction, reusable containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors, wodoodporne shell attached to the unit by using a hard mount and coastal anchor supports the suspension system comprising a grid of longitudinal and transverse cables, fixed rigid relationship, and flexible downcast, a flexible apron around the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that to form wodoodporne shell, providing current to the vertical compression of the flow and the minimum loss voltage is RA, cable system provided with an additional longitudinal backstays, to ensure a smooth lateral compression flow when approaching the unit is installed flexible plate attached to the rigid attachment, the slopes of the channel and a flexible apron with anchors with stretch devices, providing a preliminary longitudinal tension cables, with wodoodporne shell consists of flexible strips or profiles, attached on two sides to an elastic panel, through which the threaded longitudinal guys to make the shell shaped fans, and to ensure settlement form wodoodporne sheath of flexible strips arranged at an angle to the stream, for the purposes of fishery activities on the edges of the unit is constructed fish passage channels and to protect the unit and attaching the cable system installed protective net, attached to the stream flow to the anchors at the bottom and the top to the longitudinal guy along the unit.

6. Hydropower construction, reusable containing unit attached to the flexible ponnuru, a flexible apron and channel using channel anchors, wodoodporne shell attached to the unit by using a hard mount and coastal anchor supports the suspension system comprising a grid of longitudinal guy fixed the th rigid link, with flexible downcast, a flexible apron around the perimeter and wodoodporne shell on the edges of the fixed bracket, characterized in that to ensure a smooth lateral compression flow when approaching the unit is installed flexible plate attached to the rigid mount directly to the shore anchor supports, wodoodporne sheath made in the form of a closed filled shell receiving your payment form when filled with water or other filler through the device for filling and fixed one longitudinal guy passing on its top, for the purposes of fishery activities on the edges of the unit is constructed fish passage channels, and to protect the unit and attaching the cable system installed protective net, attached to the stream flow to the anchors at the bottom and the top to the longitudinal guy along the unit.



 

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2 dwg

FIELD: hydraulic building, particularly structures adapted to prevent fish passage in water intake structures and included in water intake structures.

SUBSTANCE: method involves installing louvers at different angles to supply channel flow as vertical young fish descent dynamics changes to regulate water flow to be taken. Maximal hydraulic flow resistance of supply channel is formed in flow sections of maximal young fish concentration by installing louvers at maximal angle to supply channel flow. Minimal hydraulic resistance is formed in flow sections of minimal young fish concentration by installing louvers at minimal angle to supply flow.

EFFECT: increased fish protection, improved water intake regime control with taking into consideration of biological features of object to be protected.

8 cl, 32 dwg

FIELD: hydraulic structure building and repair, particularly to construct and repair power tunnels of hydroelectric plant.

SUBSTANCE: method involves forming concrete tunnel lining; consolidating ground around concrete liner by injecting grouting mortar in rock and forming damping layer between concrete lining and grouted ground. Damping layer forming between concrete lining and ground is created after tunnel filling with water under working pressure and after concrete lining curing under water pressure for 1.5-2 years. After that water is discharged and gaps between concrete lining and grouted ground are detected. Damping layer is created by plugging space beyond the lining by injecting resilient grouting mortar in spaces between outer lining surface and ground massif. The resilient grouting mortar has modulus of elasticity equal to intermediate value between that of concrete lining material El and that of ground massif Eg.

EFFECT: increased tunnel service reliability due to reduced loads applied to lining.

FIELD: hydraulic structures, particularly fish passes in water-intake structures.

SUBSTANCE: method involves supplying water stream free of young fish in waterway; forming hydraulic screen near water-intake influence area to separate above area from main stream of water-intake structure; forming whirlpool area near water-intake shore edge. Water stream is formed upstream water-intake structure. Water for users is taken from whirlpool area formed by inner water spray boundary and shore edge. Facility includes water-intake structure arranged at shore line, water-intake pipes connected with pump, stream former and means for water stream creation in waterway. Means for water stream creation is made as channel operating in non-pressure regime and having outlet part arranged upstream water inlet. Marks formed on channel bottom and waterway bottom coincide one with another. Stream former is located downstream water intake and directed in downstream direction.

EFFECT: creating of hydraulic conditions to protect young fish from ingress in water-intake structure.

14 cl, 9 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to hydraulic works designed for preventing getting of young fish into diversion facilities. Proposed device contains fish retaining shield made in form of hollow guides arranged in tiers across water channels in depth with displacement of each upper tier towards diversion channel. It contains also perforated air duct located on bottom of water channel directly before said shield and train-and-fish trough arranged in upper part of channel in parallel with air duct and connected with outlet and device to let out young fish arranged in height of fish retaining shield. Guides of U-shaped are installed at angle to current of intake channel, their planes are perforated and open end part is pointed to bottom of water channel. Young fish let out device is made in form of perforated shields installed side guides for vertical displacement by drive in height of fish retaining shield relative to additional guides made from side of bank edges of intake channel. Perforation holes of shields and u-shaped guides do not coincide in light.

EFFECT: possibility of retaining and bringing young fish out of limits of influence of diversion facility.

8 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to hydraulic works designed to protect young fish from getting into diversion facilities. Proposed device contains fish retaining shield installed in channel and made in form of perforated pipelines arranged in horizontal tiers along entire depth of channel and connected with source of working medium, perforated air duct placed on bottom of channel directly before shield and trash-and-fish trough arranged in upper part of shield parallel to perforated pipeline and air duct which is connected with fish outlet. Perforated pipelines are furnished with ejectors and fish gathering troughs. Ejectors are connected with pressure line of pump and are placed inside perforated pipelines and in communication with fish gathering troughs through perforation holes made in horizontal plane along both sides of pipelines, fish gathering troughs being rigidly fastened opposite to perforation holes. Inner space of fish gathering troughs is provided with longitudinal horizontal partitions dividing the troughs into separate fish intake parts. Surfaces of fish gathering troughs pointed to surface and to bottom of water channel are made perforated. Cross partitions found inside separate fish intake parts form fish intake channels. Initial part of fish outlet is made with fish intake pocket over entire depth of water channel. End face parts of perforated pipelines pointed to side of fish outlet communicate with inner space of pocket.

EFFECT: provision of retaining and removing of young fish over entire depth of water channel.

3 cl, 7 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to hydraulic works designed to protect young fish from getting into diversion facilities. Proposed device contains fish retaining shield installed in water channel in tiers in depth of water channel with displacement of each higher tier to side of water intake channel, perforated air duct made in form of guides installed across water channel before shield on bottom of water channel, and trash-and-fish trough connected with fish outlet and arranged in upper part of shield parallel to air duct. Guides are made in form of flat plates rigidly installed at angle to flow in intake channel. Each plate is provided with horizontal axle in its upper part on which additional plate is secured from side of water intake channel for turning. Lower end face end of additional plate is provided with radial baffle whose surface has perforation holes. End face part of additional plates is provided with sector stopper from side of fish outlet, horizontal axles of plates being connected with drive. Additional plates can be perforated.

EFFECT: provision of retaining and bringing young fish out of the limits of influence of diversion facility.

3 cl, 12 dwg

FIELD: hydraulic engineering; fish protective facilities.

SUBSTANCE: invention is designed to draw off young fish from zone of influence of water diversion front. Method comes to ejecting young fish into intake part of ejecting plant from section of pond with higher concentration of young fish, creating active ejecting working stream in mixing chamber by entraining volume of water containing young fish into stream created by central ejecting hydraulic jet and further conveyance of water-fish mixture along pressure conduit into fish outlet. At the last stage of conveyance young fish is transported into fish outlet under no pressure conditions by forming hydraulic jet angle to trough of fish outlet, young fish being dropped on surface of fish outlet stream. Invention provides effective conditions for drawing off young fish into fish outlet and reduces damage to young fish. If working ejecting stream is preliminarily saturated with atmospheric air, its outer borders are saturated with air in form of finest microbubbles which form boundary layer ("air cushion") at contact with which young fish do not suffer from discomfort and easily take up hydrodynamic pressure built in mixing chamber. Moreover, provision of boundary layer saturated with microbubbles of air makes it possible to considerably reduce value of friction coupling of two streams, main getting from working nozzle and ejecting, containing young fish.

EFFECT: provision of good conditions for letting out young fish into fish outlet, reduced damage of young fish.

7 cl, 7 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to devices protecting young fish and preventing their getting into diversion facility. Proposed fish protective facility includes filtering water-separating dam made in form of vertical water-separating wall arranged along water intake channel and separating inlet part of channel from water conduit, device for preliminary drawing off young fish made in form of vertical rod installed for rotation by drive arranged before water-separating wall from its end face part pointed opposite to water flow. Rod is displaced relative to water-separating wall towards water intake channel. Device for preliminary drawing off young fish is furnished with additional means to increase fish draw-off effect, said means being made in from of flat round disks rigidly secured in height of rod coaxially with rod. Disks are installed parallel to each other forming slot water intake channels. End face part of water-separating wall adjoining the rod is provided with slots located opposite to planes of arrangement of disks. Disks are installed for free passing relative to slots. Invention provides higher efficiency of drawing off young fish out limits of zone of influence of diversion facility owing to provision of disks considerably increasing area of contact with surrounding medium and creating powerful circulation flow providing diversion of young fish and trash entrained by water behind outer surface of dam.

EFFECT: provision of effective conditions for drawing off young fish out of limits of zone of influence of diversion facility.

15 cl, 16 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to fish protective facilities used in diversion facilities. Proposed fish protective facility includes vertical gauze shield installed in inlet part of water intake channel at angle to its longitudinal axis, fish outlet arranged in place of mating of shield with side of channel, and device for creating whirlpool current for washing the shield containing jet guide member and made in form of chambers adjoining outer surface of shield and forming water intake holes over entire depth of water intake channel. Chambers are made cylindrical being formed by surface of shield and jet guide member and are placed in communication through water intake holes formed by edges of shield of adjacent chambers and edges of jet guide members at place of their butt joining. Each chamber is provided with independent fish outlet made in form of vertical perforated pipe arranged coaxially to chamber and communicating by independent fish duct with fish outlet. Inlet part of water intake channel is made with tangential inlet, edge of left side of channel, shield and tangential inlet are arranged in one plane.

EFFECT: improved efficiency of washing of gauze shield and drawing off young fish and trash.

24 cl, 18 dwg

FIELD: hydraulic and hydropower engineering, particularly for building water-retaining structures to provide power supply to small settlements and farms.

SUBSTANCE: method involves assembling flexible apron assembly consisted of flexible floor apron and flexible downstream apron in watercourse; securing thereof to watercourse bottom by anchors. Water outlet assembly including hydroelectric generator arranged inside it is secured to floor apron and downstream apron by rigid ties. Connected to water outlet assembly by ties are water retaining shell and rope system secured to anchor poles located on watercourse bank.

EFFECT: reduced time of structure assembling and costs for electric power generation.

2 dwg

FIELD: hydraulic structures, particularly fish-passing devices included in water intake structures.

SUBSTANCE: method is based on young fish's tendency to follow moving objects. Method involves forming water permeable screen including flexible elastic members and extending for the full stream depth; providing means for flexible members displacement and installation in working position; providing preliminary young fish concentration in previously created artificial water-plants and transferring young fish into fish-passing channel. Water permeable screen is formed of flexible elastic members on level of stream carrying young fish with maximal concentration. Screen is created in horizontal plane, wherein flexible elastic members are reciprocated from one bank to another along with directing young fish concentrated inside screen in fish-passing channel. Flexible elastic members imitate natural water flora, which is native fish habitat.

EFFECT: provision of controllable water intake during change in vertical young fish descent dynamics.

27 cl, 21 dwg

FIELD: hydraulic engineering.

SUBSTANCE: invention relates to device designed to prevent young fish from getting into diversion facilities. Proposed fish protective device includes suction branch pipe lowered under water level, water permeable shield, device to bring young fish off made in from of hydraulic wash-away device with slot arranged coaxially with suction branch pipe out of the limits of suction hole, feed pipeline connected with pressure line of pump and made inside suction branch pipe coaxially with the latter, and ring conical partition made coaxially to suction branch pipe and rigidly secured on outer surface of suction branch pipe. Hydraulic wash-away device is formed by two cup-like deflectors with concave side pointed to suction hole and installed one over the other to form ring slot directed along water permeable shield. Lower deflector is provided with central outlet hole whose diameter is smaller than diameter of jet forming nozzle arranged coaxially to hydraulic wash-away device and rigidly connected with end part of feed pipeline. Ring conical partition is installed with its larger base to side of suction branch pipe, its smaller base being arranged in plane of suction hole.

EFFECT: simplified design of fish [protective device, provision of effective bringing young fish of limits of influence of suction branch pipe.

7 cl, 8 dwg

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