Hydropower construction

 

The invention relates to hydraulic construction and can be used as Bank protection structures (BS) to prevent erosion of river banks and reformation riverbeds for their regulation. (BS) consists of aromatology two layers of rubble (Bq) or two layers of rubble blocks (BB) of different length with reinforcing mesh (AU) and forming a stepped structure with increasing towards the shore height-speed, interconnected with high-strength mortar (BP) or concrete and broken down in terms of structural expansion joints on separate interconnected mesh reinforced aromatology blocks (AB). (BS) may consist of aromatology two-layer layer (Bq) or two layers (BB) of different lengths (AU) and forming a stepped structure with increasing toward the shore by the height of the steps which are stacked on top of each other dry. From the front side is adjacent flexible single-layer aromatology apron, having in plan the form of a hexagon with trapezoidal end part. (BS) may consist of (AB) with rubble or masonry (BB) laid on (BP) or concrete only on the perimeter and along the entire height of constructi the Institute for shore facilities can stepwise or uniformly increase and horse face has a flat shape and in the tension zone is provided for operating the valve. (BS) provides reliable protection of settlements from flooding and erosion during flood costs, falls into this area, while reducing construction costs compared with existing designs. 4 C.p. f-crystals, 15 ill.

The invention relates to hydraulic construction and can be used as Bank protection structures to prevent erosion of river banks and reformation riverbeds for their regulation.

A device to protect the base of the river Bank protection structures from undermining [1], which consists of a continuous flexible design protivogrippoznogo device, providing reliable protection shore protection structures in terms of rivers, flood flows which are characterized by high abrasive and transporting abilities. The device consists of a gabion mattresses, horizontally in the direction of the river channel associated with the protected structure with adjustable ties, and top to which is attached a recycled tires, which are interconnected by longitudinal and Perez the middle of the tread portions of the tires on their diameter. When the silt channel formed in the funnel is the self-absorption of the mattress with prigruzkoj, starting from its end. The disadvantage of this technical solution are: lack of design flexibility when using it in front of poulsard and with significant deformations of a possible breach of the gabion mesh; the complexity of the structures due to the large number of different materials, in particular the use is not always available and common in a large number of rubber; the proposed solution does not provide prevention from erosion of the wall along the entire length, as it is not a continuous apron hinged adjacent to the retaining wall.

The closest technical solution is hydropower construction, consisting of an earth-filled dam with a combined slope mount and protiwaritmicakimi devices [2], which are made in the form of short flooded spurs length l=l1+l2where l1- the length of the root portion spurs, consisting of two or more layers of gabions, with l1>l2where l2- the length of the head part of the shore, consisting of a single layer of gabions, front and top which is attached a flexible reinforced concrete resettle below the base of the head part of the spurs. Spurs are located at the foot of the dam at a distance from each other and their root parts embedded in the reinforced slope of the dam. The disadvantage of this technical solution are: possible utility of the end of spurs jet stream flow over the barrier, representing a spur and because of this, burying her down and violation of the integrity of structures; the relative complexity and economiccost technical solutions.

The purpose of the invention is improving the reliability and reducing the complexity of the construction.

This objective is achieved in that on the bottom of the riverbed or channel is placed against the layer of stones or rubble concrete blocks, in terms of having a rectangular shape that will become the basis of polysaprobic. This layer is placed a layer of high-strength mortar or concrete, in which travelways mesh reinforcement passing through the entire length of the future polysaprobic, and on top of the newly placed against the layer of stones or rubble concrete blocks, with construction provides structural expansion joints that divide the design on integrated blocks. Integrated blocks interconnected mesh passing through polonaruwa. Reinforcement is Romania concrete in the transverse direction, excites armobeton compression, thus increasing the bearing capacity of the structure as a whole. Thus mounted aromatology two-ply layers of rubble masonry or double layers of rubble concrete blocks, which have different lengths. As a result of addition of such layers of different lengths formed a stepped cross-sectional design polysaprobic, and individual layers can be interconnected dry or high-strength mortar or concrete. Stacking layers to each other is dry with a shift of the protruding stones in the upper and lower layer to enhance the adhesion forces and friction adjacent dry layers. In rubble concrete blocks to enhance the adhesion layers between the ledges and hollows, encourage each other during installation.

At the front end polysaprobic adjacent flexible single-layer aromatology apron having a trapezoidal plan shape and overlying the possible washout pit. Flexible apron broken structural expansion joints on the interconnected mesh integrated blocks. When the deformation of the flexible apron design integrity is not violated because the relationship of each individual unit shall bcost design of the apron. Polysaprobic change the kinematic structure of the stream in such a way that the coastal part of an earth dam formed stagnant zones and stops the process of erosion, and in the immediate vicinity of the contact polysaprobic and dam from downstream side begins the process of silting. Realized during many years and attracted particles under the action of its own weight begin to precipitate from a reduction in force weighting caused by the reduced flow rate. Polonaruwa comes in riding the slope of the dam and secured it. At the front end polysaprobic flow rate flowing round her grow and begins the process of undermining flexible armoutbearer apron, which under the action of its own weight starts to fall down and to prevent possible deformation of polysaprobic. While the apron, dropping down when washouts after some time starts saratica and becomes the anchor. Form armoutbearer apron keystone, which corresponds to the shape of pits formed washout streamlined barrier flow. Possible deformations of the structures of polysaprobic not violate the structural integrity and do not affect its operation due to the presence of structural joints, making the design flexible structures is t design polysaprobic flexible.

Polonaruwa coastal defences can be mounted in such a way that aromatology blocks with rubble or masonry rubble concrete blocks laid on high-strength mortar or concrete only on the perimeter and along the entire height of the rough structural unit forming a wall by filling the internal space between the layers of reinforcing mesh filler in the form of gravel or stone. Polonaruwa thus becomes in an interconnected mesh mesh blocks with filler. Pore filler is entered or filled with soil, which leads to the overgrowth in the process of exploitation of vegetation. Vegetation reinforces all the interior space and fixes palisadium to the bottom of the riverbed.

Polonaruwa coastal defences can be mounted from aromatology blocks with rubble or masonry rubble concrete blocks laid on high-strength mortar or concrete, the size of which in plan towards the shore from the lower side stepped or uniformly increase and horse face has a flat shape. In the tension zone with horse side polysaprobic provided by operating valves which perceives tensile forces caused is authorized from arkabutla; in Fig.2 is a plan; Fig.3 - section 1-1 in Fig.2 for option compound layers between a mortar or concrete; Fig.4 - section 2-2 of Fig. 2 for option compound layers between a mortar or concrete; Fig.5 - section 1-1 in Fig.2 for option compound layers between a dry shift stones; Fig.6 - section 2-2 of Fig.2 for option compound layers between a dry shift stones; Fig.7 shows a longitudinal profile along the axis of polysaprobic made of arkabutla posted only on the perimeter with filling the internal space of Fig. 8 is a plan; Fig.9 shows a longitudinal profile along the axis of polysaprobic, made of rubble blocks; Fig.10 shows a longitudinal profile along the axis of polysaprobic, made of rubble concrete blocks, laid only on the perimeter with filling the internal space of Fig.11 - section 3-3 of Fig.10 of Fig.12 - node a in Fig.10 of Fig.13 shows a plan aromatology polysaprobic, the dimensions of which in plan towards the shore stepped decrease; Fig.14 depicts a plan polysaprobic of rubble blocks, the dimensions of which in plan towards the shore stepped decrease; Fig.15 shows a plan aromatology polysaprobic Il

Hydropower facility consists of loose dirt dam 1, horseback slope 2 which wedged polonaruwa 3, consisting of aromatology two layers of rubble 4 or double layers of rubble sides 5. Aromatology two-ply layers of rubble masonry 4 or double layers of rubble sides 5 are connected by high-strength mortar or concrete, 6, or fastened to each other dry 7. Aromatology two-ply layers of rubble masonry 4 or double layers of rubble sides 5 represent connections tightly Packed stones 8 or rubble blocks 9 high-strength mortar or concrete with 10 mesh 11. Polonaruwa 3 split plan structural expansion joints 12 on the integrated blocks 13, interconnected mesh 11, which passes through the whole palisadium 3. At the front end polysaprobic 3 adjacent flexible single-layer aromatology apron 14, broken structural expansion joints 12 on the blocks and having in plan the form of a hexagon with trapezoidal end part 14, which when the wrapping thread multistage constructions will be ready to go down. Integrated blocks 13 can SOR or concrete 6 only along the perimeter and throughout the height of constructive enlarged block 13 with filling the internal space 16 between the layers of reinforcing mesh 11 filler in the form of gravel or stone 17, pores which are entered or filled with soil and sarastus during operation vegetation 18. Rubble blocks 9 have the tabs 19 and recesses 20, which when connecting them dry reinforce the adhesion between adjacent layers. Horse face 21 polysaprobic 3 is provided for operating the valve 22 and the ground line 23 may have a stepped shape or gradually expanded in terms of towards the shore.

Hydropower construction is assembled and operates as follows. At the bottom of the riverbed or channel is placed against the layer of stones 8 or rubble blocks 9, in terms of having a rectangular shape. This layer is placed a layer of high-strength mortar or concrete 10 in which the reinforcing mesh 11 and the top re-plotted against the layer of stones 8 or rubble blocks 9, while the design provides structural expansion joints 12, which divide the design on integrated blocks 13, interconnected mesh 11 passing through palisadium 3. Thus mounted aromatology two-ply layers of rubble masonry 4 or double layers of rubble blocks 5, which have different lengths, resulting in forming stopanim solution or concrete 6. When stacking the layers on each other dry 7 by shift protruding stones 8 in the upper and lower layer to enhance the adhesion forces and friction adjacent dry layers. In the rubble sides to enhance the adhesion layers between the ledges 19 and recesses 20, encourage each other during installation.

At the front end polysaprobic 3 adjacent flexible single-layer aromatology apron 14, broken in terms of structural expansion joints 12 are interconnected mesh integrated blocks 13. Polysaprobic 3 modify the kinematic structure of the stream in such a way that the coastal part of an earth dam 1 are formed stagnant zones and stops the process of erosion, and in the immediate vicinity of the contact polysaprobic 3 and dam 1 from the lower side begins the process of silting. Polonaruwa 3 comes in riding a slope 2 dam 3. At the front end polysaprobic 3 flow rate flow over it, grow, and begin the process of undermining flexible armoutbearer apron 14, which under the action of its own weight starts to fall down and to prevent possible deformation of polysaprobic 3. Form armoutbearer apron 14 the keystone is the construction of polysaprobic 3 does not violate the structural integrity and do not affect its operation due to the presence of structural joints 12, make the structure of your building flexible and changeable.

Polonaruwa 3 coastal defences can be mounted in such a way that aromatology blocks with rubble 4 or rubble masonry of 5 blocks laid on high-strength mortar or concrete 6 only along the perimeter and along the entire height of the rough structural unit 13, forming a wall 15 by filling the internal space 16 between the layers of reinforcing mesh 11 filler in the form of gravel or stone 17. Pore filler is entered or filled with soil, which leads to the overgrowth in the process of exploitation of vegetation 18, the root system which reinforces the inner space 16 and fixes palisadium 3 to the bottom of the riverbed.

Polonaruwa 3 coastal defences can be mounted from aromatology blocks with rubble 4 or rubble masonry of 5 blocks laid on high-strength mortar or concrete 6, the size of which in plan towards the shore with grassroots 23 side stepped or uniformly increase and horse face 21 has a flat shape. In the tension zone with horse side 21 polysaprobic 3 is provided for operating the valve 22, which perceives tensile forces caused by the flow pressure h is H. If the stone is a local building material, polonaruwa more economical to perform aromatology, it is usually possible on the mountain rivers. If the stone is an expensive building material, polonaruwa can be built from rubble blocks of the honeycomb structure by filling the internal space of local material. Bank protection structure can be used as vypravitelnye structure for the regulation of riverbeds.

The proposed design of polysaprobic with decreasing dimensions in the plan will allow to considerably reduce the cost of construction and make the design more efficient and reliable in operation.

Hydropower construction will provide protection from flooding and erosion during flood costs, settlements, falls into this area.

Sources of information 1. A. C. 1583515 the USSR, MKI E 02 In 3/12. Device to protect the base of the river Bank protection structures from undermining / S. O. Kurbanov, centuries Zmeeva, H. A. Otrokov and E. A. Torshin (USSR). Statements. 05.04.88; publ. 07.08.90. Bull. 29.

2. Patent of the Russian Federation 2103440, MKI E 02 In 3/12. Hydropower construction / S. O. Kurbanov, E. A. Torshin; publ. 27.01.98. Bull. 3.

The formula and opencity design with increasing toward the shore by the height of the steps and containing reinforcing mesh and stones, characterized in that the blocks are made of aromatology two layers of rubble or two layers of rubble concrete blocks with steel mesh and are connected by high-strength mortar or concrete, broken structural expansion joints on separate interconnected grid integrated blocks, and from the front side it is adjacent to a flexible single-layer aromatology apron laid out in the plan for the interconnected mesh integrated blocks.

2. Hydropower construction under item 1, characterized in that aromatology and rubble concrete blocks of different lengths, forming a stepped design, stacked on top of each other dry with a shift of the protruding stones in the upper and lower layer or the connection protrusions and recesses in the rubble blocks to enhance the adhesion and friction of adjacent dry layers.

3. Hydropower construction under item 1, characterized in that aromatology apron is made in the plan in the form of a hexagon with trapezoidal end part.

4. Hydropower construction under item 1, characterized in that aromatology or rubble concrete blocks connected by high-strength mortar or beta around the perimeter and along the entire height of the rough blacr>

5. Hydropower construction under item 1, characterized in that aromatology or concrete blocks are made in the plan with stepwise or uniformly increasing size, with the horse part having a flat shape, and working reinforcement in the tension zone.

 

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FIELD: building, particularly hydraulic structure reinforcement.

SUBSTANCE: method is performed in two-stages. The first stage involves forming vertical elongated flat ground massifs secured by hardening material. Massifs are created in crest embankment area and in upper area of embankment slope so that massifs are spaced minimal available distance from crest and pass through embankment body, including land-sliding upper embankment slope area. Massifs are anchored in mineral bottom by lower edges thereof and are arranged at least in three rows and there are at least three massifs in each row. Method for massifs forming involves driving double-slotted injectors directly in embankment ground or in wells formed in embankment and having plugged wellhead; orienting injector slots perpendicular to hydraulic pressure head vector direction in embankment area to be reinforced; injecting hardening material under increased pressure across horizons from top to bottom or in reverse direction, wherein injection is initially performed under 5-15 atm pressure and at minimal rate in each second injector of one outermost row beginning from extreme ones; feeding hardening material in previously missed injectors in this row; supplying injectors of another extreme row with hardening material in the same way; feeding hardening material to ejectors of medium rows under 10-20 atm pressure; performing the second reinforcement stage as material hardens to obtain 70% strength. The second reinforcement stage involves forming vertical elongated flat massifs of secured ground anchored in mineral bottom by lower edges thereof and arranged at least in three rows, wherein each one includes at least three massifs. Massifs extend at the angle exceeding embankment slope angle to horizontal line. Massifs are formed with the use of double-slotted injectors in remainder embankment area. Injector slots are directed perpendicular to hydraulic pressure head vector direction in embankment area to be reinforced. Hardening material is ejected in above succession, wherein hardening material pressure is equal to design process pressure enough for direction of feeding hardening material through injector slots and lesser than hardening material injection pressure of the first reinforcement stage.

EFFECT: increased reliability of structure reinforcement; prevention of land-slide on structure slopes.

3 cl, 3 dwg

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