Keeping dry foundation sites or other areas in the ground (E02D19)

E   Fixed constructions(158735)
E02D19                 Keeping dry foundation sites or other areas in the ground (sheet piles or bulkheads e02d0005020000)(283)

ine drainage in flat and pitching mining of coal deposits with combined method // 2627504
FIELD: mining engineering.SUBSTANCE: mine drainage during flat and pitching mining of coal deposits with combined method includes sewage and drainage ditches of mine workings, drain sumps, pumpsets on the lower mine and open-cast horizons, pumping stations with or without drain sumps on the upper mine horizons sublevels, drain sumps and disinfection of mine waters on the surface system, connected into a single complex by a network of pipelines with stop valves. In underground drain sumps, located on the lower mine workings horizons, gravity growths of underground mine water come from the gutters of underground mine workings through underground water pre-treatment complexes, which serve to separate large and suspended particles up to 0.15 mm and immiscible liquids and floating objects with a density below water by mechanical and electrophysical methods. Then, they are delivered by the pumpsets to the drain sump, located on the lower horizon of open-cast, where they are mixed with the mine growth of open mine workings and by pumping units, located on the sides of open-cast or floating pontoon is delivered to the deep water purification complex on the surface, from where, purified and disinfected using mechanical, physical chemical methods, it flows into the surface drain sump and, after sludge, is discharged onto the terrain or external water bodies.EFFECT: increasing the degree of mine waters cleaning and wear resistance of equipment, ensuring elimination of multistage, reducing capital costs.3 cl, 1 dwg
Device and method for water drainage of fractured bedrock layers // 2627054
FIELD: mining.SUBSTANCE: device water drainage of the fractured underlying layers contains a drainage pipe made of seamless stainless steel pipes that passes through a well drilled in the underlying layers. The outer end of the drainage pipe is connected to the ring drainage siphon and valve by means of a connecting device. A lot of water drainage holes are located in the drainage pipe at a distance. A single-acting throttle water damper is installed inside the drainage pipe. Rubber water blocking rings, containing an expanding agent, are installed by means of couplings on the outer wall of the drainage pipe at a distance. The seal is installed between the outer wall of the upper end of the bilge pipe internal wall and drilled wells. The ring drainage siphon, connected to the drainage pipe, is connected externally to the actuator pump and water tank. The device for pouring out of the fractured underlying layers, pump the water from the cracks in the underlying layer in accordance with the principle of a hermetically sealed fluid siphon, so that the softening of the sole of the production of water from the underlying layer is prevented, thus improving the stability of the surrounding rock; in addition, the volume of water removed from the underlying layer is effectively regulated by the installed valve, thus ensuring a constant filling of the siphon with water and preventing entry of air into drilled wells and erosion of the rock layers.EFFECT: simplification of design and application.5 cl, 1 dwg

ine drainage during development of synclinal coal deposits by combined method // 2622972
FIELD: mining.SUBSTANCE: mine drainage during development of synclinal coal deposits by combined method, including sewage and drainage ditches of mine workings, drain sumps, pumping installations on the lower horizons of mines and sections, pumping stations with or without drain sumps on the upper mine horizons stories, disinfection of mine waters on the surface, connected into a single complex by a network of pipelines with stop valves. At the same time, inflows of underground mine waters enter the underground drain sump located on the lower horizon of the last tried out formation in the syncline deposit mould, from the drainage ditches of the underground mine workings through a pre-treatment complex that serves to separate large and suspended particles up to 0.15 mm in size, immiscible liquids and floating objects with a density below water by mechanical means. Shaft inflows from the upper horizons are passed through a well drilled in the syncline deposit mould and then pumped by two streams to the drain sumps located on the lower horizons of the trenches opening the seam outcrops for capping material on the opposite sides of the deposit where they are mixed with the mine inflows of open mine workings and pumping units located on the sides of split trenches or floating pontoons, run out into complexes of deep water purification on the surface from which after cleaning and disinfecting using mechanical, physical and chemical methods flow into surface drain sumps, and after the sludge are discharged on the terrain or external reservoirs.EFFECT: elimination of multistage, reducing of energy intensity and increasing of mine water degree of purification.2 dwg

ine drainage during development of anticlinal coal deposits by combined method // 2622971
FIELD: mining.SUBSTANCE: mine drainage during development of anticlinal coal deposits by combined method, including sewage and drainage ditches of mine workings, drain sumps, pumping installations on the lower horizons of mines and sections, pumping stations with or without drain sumps on the upper mine horizons stories, disinfection of mine waters on the surface, connected into a single complex by a network of pipelines with stop valves. At the same time, inflows of underground mine waters enter the underground drain sumps of both wings of the coal anticlinal deposit located on the lower horizon of the last tried out formation in the syncline deposit mould, from the drainage ditches of the underground mine workings through a pre-treatment complex that serves to separate large and suspended particles up to 0.15 mm in size, immiscible liquids and floating objects with a density below water by mechanical means, and then pumped out to a sump located on the lower horizon section, where they are mixed with the mine inflow of open mine workings and pumping installations located on the sides of the ditch or floating pontoon, run out into a complex of deep water purification on the surface, from which, after purification and disinfection using mechanical, physical and chemical methods, flows into the surface drain sump and after sludge is discharged to the terrain or external reservoirs.EFFECT: elimination of multistage, reducing of energy intensity and increasing of mine water degree of purification.2 dwg

Distributed underground reservoir for coal mines artificial dam and its erection method // 2611095
FIELD: construction.SUBSTANCE: invention relates to hydraulic engineering and, in particular, to distributed underground reservoir for coal mines artificial dam and method of its construction. Artificial dam of distributed underground reservoir for coal mines, containing bearing layer, which prevents infiltration, and layer of concrete structure, which are made successively in auxiliary gate from inner side to outside, wherein layer of concrete structure is embedded into safety coal pillars and/or surrounding rocks around auxiliary gate, and layer, which prevents infiltration, is made of empty or loess rock, and space between bearing layer and layer of concrete structure is filled with layer, preventing infiltration.EFFECT: technical result consists in forming of layer, which prevents infiltration from empty or loess rock.12 cl, 4 dwg
ethod of blasting upward borehole charging // 2607483
FIELD: blasting operations.SUBSTANCE: invention relates to explosive substances (ES) charges formation in wells and can be used during blasting upward boreholes charging, regardless of their watercut degree, on underground mining works for extraction of minerals. Method of blasting upward boreholes charging, including live primer location in well upper part with subsequent well filling with ES and formation, or not, of stemming below ES. In well upper part above live primer drain cavity is created, by arranging plug with drain tube in well, wherein tube lower end, after charge formation, is located below charge.EFFECT: invention allows to ensure stability of ES charge column under conditions of large water influx.1 cl

ethod of regulation of operating mode of quarry water-removal plant // 2580329
FIELD: construction.SUBSTANCE: method of regulation of the operating mode of a career water-removal plant includes control of working parameters of pumping units due to the change of the pressure head characteristic of the pipeline network. Regulation of the operating mode is performed by the release of a part of a water flow rate into ambient air from orifice holes in walls of delivery pipelines, and also due to the change of pressure and redistribution of the water flow rate in outlets along the length of the delivery pipelines by means of pipeline valves controlling the upstream pressure of the transit flow.EFFECT: increase of the capacity of the pump units due to the reduction of the distance of transportation and height of lifting of a part of the flow rate of quarry waters that allows expanding the range of regulation of the quarry water-removal plant.1 dwg

ethod of draining field deposit, such as tubular, of useful minerals on transition from its open mining to underground // 2541341
FIELD: mining.SUBSTANCE: substance: the method of drying the field deposit, such as tubular, of useful minerals on transition from its open mining to underground comprises creating the drainage area using the blasting operations at the bottom part of the quarry for the controlled drainage of surface water and groundwater through the raising drain wells, hydraulically connected with the mine drainage system built before the end of the quarrying operations. In operation of the mine drainage the spiral entry is created with the helix pitch angle, greater than the helix pitch angle of the berm, and retention of surface water is carried out by constructing well tanks on the berms of the quarry from the bottom up.EFFECT: increase in efficiency of the works on draining in the period of transition from open mining to underground mining of useful mineral, reduction of material consumption.3 cl, 7 dwg

Protection method of open pit against underground water influx // 2531913
FIELD: mining.SUBSTANCE: invention relates to mining industry, and namely to development of flooded mineral deposits, as well as it can be used at unwatering of foundations and in hydraulic engineering. In order to protect an open pit against underground water influx, the main horizontal drain wells 4 are constructed normally to open pit 2 side 1. At least two opposite lying additional side horizontal drain wells are constructed out of each main horizontal drain well 4. Out of points 5, 6, 7 on the main horizontal drain wells 4 there constructed to one side in the direction of adjacent wells 4 to the right are additional side horizontal drain wells 8, 9, 10. Out of the same points 5, 6, 7 on adjacent wells 4 there constructed to the left are additional side horizontal drain wells 11, 12, 13. All the additional side horizontal drain wells are constructed till their mutual intersection and formation of a closed drain circuit. All wells are constructed at the bottom of the drained water-bearing horizon.EFFECT: providing increase of entrapment degree of breakthrough of underground water to open pit sides and reducing drilling volumes of the main horizontal drain wells owing to enlarging distance between them.1 dwg, 1 ex

ethod of forming waterproof screen in cracked watercut mountain arrays using bridging // 2531410
FIELD: mining.SUBSTANCE: method comprises drilling parallel rows of wells or holes, placing in them of explosive charges in a staggered manner, distributed with filled gaps. The gap length is equal to the length of the charge. Simultaneous camouflage blasting of explosive charges with the central initiation. Filling the voids left after the explosion with the concrete solution. For forming the bridging array the radius of the explosive charge is defined, the length of the explosive charge. In the upper part at the contact the aquiferous stratum - an array form the locking charge. The gaps are filled with bridging material which is formed with the following composition: in aggressive non-pressure environments - bitumen or tar; in non-corrosive pressure environments - cement; in aggressive pressure environments - bitumen or tar, the radius of the resulting bridged area of crumpling from the charge is additionally determined, the radius of the formed bridged area in the gaps between charges, the distance between drilled wells or holes in the row, the length of the locking charge and radius of the bridged area of cracks.EFFECT: method enables to improve the efficiency and safety of work.3 cl, 3 dwg

ethod of protection against logging of deep mines and pits with rising multibranch drainage wells // 2478793
FIELD: mining.SUBSTANCE: method includes erection of vertical rising wells onto a drained water-bearing horizon, besides, from each rising well in a point located by 30-50 m below the water-bearing horizon soil, an additional side shaft is cut with a rounding (curve) radius of around 50 m. The side shaft is tunnelled after it reaches drained rocks in direction of the next rising well to the point of exit of the next additional shaft into drained rocks. It makes it possible to create a closed drainage contour and to practically eliminate ingress of underground waters into a protected mine or pit.EFFECT: reduced ingress of underground waters to minimum permissible values.2 dwg

Shaft pumping plant // 2472971
FIELD: construction.SUBSTANCE: plant comprises working pumps 1, suction and injection pipelines 3, 4 with valves 6, 8, 10, 11 and check valves, a water chamber 2 and a settling tank 7 with a hydraulic elevator 5. The plant comprises an additional line including serially connected working pumps 1, communicated with a discharge pipeline 9 of the hydraulic elevator 5.EFFECT: reduced capital costs for construction of a pumping plant and operating costs for its maintenance, and also increased efficiency of a process of water chamber cleaning and durability of working pumps of shaft pumping plants.4 cl, 1 dwg

ethod to form water impermeable reinforced concrete screen in cracked waterlogged rock massifs // 2470117
FIELD: construction.SUBSTANCE: invention relates to mining and mining-chemical industry and may be used to fence and protect a cracked rock massif from possible penetration of liquid solutions beyond the borders of the created screen, and to form a strong fixed section, excluding its collapse. The method includes drilling of parallel rows of wells or boreholes, arrangement of explosive charges in them in a staggered order with air or water gaps, their simultaneous camouflage blasting and placement of steel reinforcement ropes in remaining wells or boreholes with further filling with cement mortar. To form a collapse zone, initiation is used, at the same time, according to mathematical formulas depending on mining-geological and mining-technical conditions of such types of works production, the radius of the collapse zone - rcol and charge length ℓC are identified. The length of the air gap is equal to the charge length.EFFECT: method makes it possible to increase efficiency and safety of these types of works due to optimal distribution of wells or boreholes along a contour of a created screen for specific mining-geological and mining-technical conditions.3 cl, 1 dwg

Drainage method of open pit edges by means of systems of combined drainage devices // 2465405
FIELD: mining.SUBSTANCE: drainage method of open pit edges by means of systems of combined drainage devices involves system of combined drainage devices arranged from the side of the open pit bench normally to the edge at soil of water-bearing horizon and consisting of horizontal branch of drain hole and the branch that is close to vertical position, which are equipped with flexible filter. Length of horizontal part is determined considering the entry way value and technical capabilities of the used drilling equipment. Change-over of horizontal branch of the device to vertical position is performed by means of bottom-hole motor and diverting devices. Length of vertical part of combined device is determined depending on capacity of drained water-bearing horizon; therefore, sinking of vertical branch of drainage device ends after the working face enters the rocks of waterproof roof of drained formation. Drilling of combined drainage device in incompetent rocks, for example, sands is performed in step-by-step horizontal part of the shaft under protection of "blind" inventory column of casing pipes, and then removed pipes; sinking of vertical branch of drainage device is performed using self-decomposing or hydrolysed polyacrylonitrile drilling fluids in order to provide the stability of its walls. After sinking of vertical part of the shaft is completed, rock-destructing tool is disconnected and left in solid mass, and bottom-hole motor is removed along shaft of combined device, which is fixed with filter. Drainage water is discharged via the system of the trenches near the edges.EFFECT: reduction of drilling volumes of drain holes; improvement of reliability of drainage systems, stability of edges of open pits and safety of mining operations; reduction of material consumption and costs for drainage of open pit edges.3 dwg

Device for opening artesian aquifers by rising, directional or downhole well // 2459921
FIELD: mining.SUBSTANCE: device includes drilling installation that consists of drilling rig, oil-pumping station, oil pipelines, control panel, drill pump, drill string, filter column, well head equipment that consists of conductor string, gate valve, exit branch and sealer of drill string in performance that includes casing and sealing element and press-on bush arranged inside it. The device is equipped with two pairs of additional hydraulic cylinders with drives connected to control panel and additional sealer of drill string in statics. The sealing element in the sealer of drill string in performance is done in a form of hollow cylinder from rubber with end surfaces in a form of conical surfaces, one of which is directed inside the cylinder, and the other - outside, and arranged between two rings, one of which has outer conical surface and the other - inner conical surface, note that the angles of rings cone are identical to the angles of end surfaces cone of sealing element, under the ring there is additional sealing element from material with low friction coefficient, press-on bush has a longitudinal slot for drill string, and rods of a pair of additional hydraulic cylinders connected to press-on bush have articulated joints turning around which provides the access to additional sealing element. The sealer of drill string in statics is mounted before the sealer of drill string in performance and includes the housing with attachment and supporting flanges, inside the housing the supporting flanges are connected to the sealing element in a form of hollow cylinder and slips embracing this sealing element installed capable of its snapping and connected to the rods of the second pair of additional hydraulic cylinders.EFFECT: increase of drilling installation operation reliability, increase of mining operations safety at construction of drain holes with high pressure at head, improvement of operating personnel labour conditions, improvement of labour efficiency, provision of possibility to repair the sealer in performance in process, mechanisation of operations on annular space sealing.4 dwg, 2 ex

ining plant pumping system // 2454568
FIELD: engines and pumps.SUBSTANCE: proposed system with water bypassing from intermediate bed to underlying bed comprises pump station located at bottom bed, pressure pipeline 4 and bypass pipelines 7, 8 at top beds equipped with valves 5, 9, 10 and check valves 6, 11, 12. Pump station is made up of multistage radial-flow pump 2. Bypass pipelines 7, 8 are connected to inlets of runner of pump 2 in compliance with bypass pipeline heads at the level of pump station.EFFECT: reduced power consumption.1 dwg

Dehydration method of mineral deposit // 2448216
FIELD: mining.SUBSTANCE: method involves collection of underground water to manifold (17) around development zone (26) of ore (8) deposit (7) so that cone of depression (27) is formed owing to operation of rings (14) of upward discharge wells (15) drilled out of drain annular mine working (6). Inflow is supplied from manifold (17) of mine working (6) by gravity via pipeline (18) of development mine working (4) to sump (19) of well shaft (1) for cleaning and accumulation. Then, some part (28) of accumulated inflow is supplied by means of pump (22) of well water drainage via pipeline (21) to surface (9) into closed pipeline (20), and from it to water bearing horizon (3) through pumping wells (10) pre-drilled from surface (9) within cone of depression (27), thus providing such pumping mode that pumping flow rate Q3 is less than pumping-out flow rate Q0, and heads H3 of underground water in the propagation area of pumped water are less than heads H0 out of this area, i.e. they provide the compliance with conditions Q3<Q0 and H3<H0.EFFECT: providing environmentally safe utilisation of technogenic drainage water.1 ex, 6 dwg, 1 tbl

Pump to drain wells by alternating aspitation and repulsion cycles that operates on pneumatic principle // 2405891
FIELD: engines and pumps.SUBSTANCE: proposed pump comprises main constant-diametre hose with no notable irregularities on its outer surface to be lowered into the well and furnished with tight cover with two branch pipes on the hose top end that is arranged on the surface. One branch pipe makes air inlet or outlet depending upon working cycle, i.e. aspiration or repulsion. It is connected, via appropriate valves, in turns with vacuum pump that generates vacuum inside pump dual hose to facilitate draining and with compressor to facilitate repulsion by compressed air pressure that forces water via inner hose and branch pipe outward via water removal hose. Another branch pipe, also arranged on aforesaid tight cover, comprises check valve that allows water to rise in inner hose into repulsion phase. Main hose lower end that is downed to well bottom incorporates return valve, filter and anti-impact element that protects the filter and doubles as a ram to pass through possible obstacles. Water flows through return valve into main hose in aspiration phase but it does no enter the repulsion phase. In this vase the sole outlet for water repulsed by compressed air is the inner hose via second branch pipe.EFFECT: simplified design, higher efficiency.2 cl, 3 dwg

Procedure for protection of mines against water inrush from side of water flow under conditions of permafrost // 2394962
FIELD: mining.SUBSTANCE: procedure for protection of mines against water inrush from side of water flow under conditions of permafrost consists in laying pipe at bottom of potentially hazardous section of water flow within boundaries of its bed talik; said pipe facilitates water flow passing in volume usually present at least at beginning of cold season of year. Also at one end the pipe is equipped with an inlet bell, while on another end it is equipped with an outlet bell and is covered with heat insulating layer and soil resistant to washout. Before a potentially hazardous section of water flow the pipe crosses a crown of overfall waterproof conjugated with permafrost soil of the bed and sides; rise of water level before the inlet bell of the pipe to a specified level is facilitated by means of this crown of overfall. The crown of overfall and its boards are made out of gabions, baskets of which are made out of wire mesh and filled with stone material. The gabions are tied with wire; they form a single flexible gabion structure; the structure is enclosed into a waterproof membrane and heat insulating shell from beneath and on sides; also a waterproof membrane installed across water flow between the gabions functions as anti-filtration diaphragm.EFFECT: reduced thermal effect on permafrost rock and solidifying body of intake portal, reduced rigidity of intake portal.8 cl, 6 dwg

Protection method of mine openings against water inrush from side of water course in conditions of permafrost // 2386033
FIELD: mining.SUBSTANCE: at first there are defined boundaries of dangerous area of water course, from the side of which it is possible inrush of water in area of course, and position of bottom boundary of course talik, formed in the basis by water course at warm period of year. After what on dangerous section of water course, in the range of its course talik it is implemented pipe, providing receiving and passing at least underground water, moving by course talik at cold period of year. Additionally outside pipe is coated by heat insulator and it is covered by ground, and at upper area of dangerous section of water course pipe intersects antifiltration component, which is overlapped by course talik.EFFECT: reliability improvement ensured by reduction of thermal action water course on frozen rock.3 cl, 4 dwg

ethod of draining of tubelike mineral deposit // 2382144
FIELD: mining.SUBSTANCE: closed working is driven in water-impermeable rocks of tubelike deposit occurrence. Fans of upward drain holes are drilled from it. Leak proof water intake chamber is constructed. Mouth of each upward drain hole is leakproof connected by pipeline to water intake chamber by running pipeline along works driven before. Water-raising holes are constructed within limits of water intake chamber. Method may be modified, for this purpose additional water intake chamber is constructed in zone of water-raising holes after working of "wet" day-drift with overlapped drainage layer of its orifice above pit bottom. "Dry" day-drift is worked above crossing "wet" day-drift. Water-removing holes are drilled to "dry" day-drift from lower water-intake chamber. Pumps supply subsurface water to "dry" day-drift through water-removing holes. Access of subsurface water and surface water from day-drifts to additional water-intake chamber is provided by gravity, providing blowoff of gas dissolved in subsurface water to atmosphere through "dry" day-drift. Then water from water intake chamber is supplied by pumps to daylight.EFFECT: reduction of drainage works cost and improvement of their performance safety.2 cl, 9 dwg

ethod of storage sump cleaning // 2349708
FIELD: mining.SUBSTANCE: method includes collection of drain water in production and conveyor entries, their successive supply into storage sumps connected between them with overflow pipe with gate; method also includes regulating of mine water supply into storage sump by means of shutting water draining gutter leading to storage sump subject to cleaning with gate. Further all flow of mine water is directed into an auxiliary storage sump, and withdrawal of water from the storage sump subject to cleaning is carried out up to the lower mark on the overflow pipe. Then the overflow gate in the pipe between the storage sumps is shut off, water flow from the auxiliary storage sump is closed; water is pumped off and the storage sump is cleaned.EFFECT: reduced power losses.3 cl, 6 dwg

ethof for elimination of emptiness in post-covered space of railroad tunnel (versions) // 2342491
FIELD: construction.SUBSTANCE: invention relates to strengthening of the lower part of the section of the railroad tunnel and may be employed for strengthening of bases of buildings and constructions. Method includes feeding of mortar with filling agents. A shaft is drilled in the lower part of the section of the railroad tunnel above the detected emptiness for feeding of filling material and a second shaft for feeding of consolidating mortar. Feeding device is installed and filling material is supplied through it in the form of balls of waterproof material, density whereof equals or is greater than water density. Balls are compressed by means of a vibrations generator; entrained water is pressed out from the emptiness by balls either through holes in the rock or through the consolidating mortar feeding shaft. Having filled the emptiness with balls, feeding device is taken away and the shaft is sealed, consolidating mortar is supplied into the second shaft and having filled all the emptiness the shaft is sealed. Should there be no water in the emptiness one shaft is drilled in the lower part of the section of the railroad tunnel; where through emptiness are filled with balls compressed by a vibration generator, after that feeding device is taken away and consolidating mortar is supplied through the shaft. Emptiness been filled the shaft is sealed.EFFECT: cost reduction of elimination of emptiness.2 cl, 1 dwg

Drainage method of flooded underground construction // 2339766
FIELD: construction industry.SUBSTANCE: invention refers to construction industry and is meant for draining underground constructions where there are no hydraulic connections with water areas of rivers, seas and oceans. Drainage method of flooded underground construction includes device installed at lock chamber construction inlet, compressed air supply to construction, determination of location of connection strip and its tightness by means of air bubbles appearing on water area surface. During draining process, underground construction's inner surfaces shall be made water-proof by means of additional temporary ice lining, and then by means of cooling the above surfaces to temperatures below freesing and water vapour supply to construction.EFFECT: providing waterproofness of underground construction during construction's rehabilitation and improving construction's rehabilitation processability.1 dwg

ethod of horizontal radial drain hole constructing in hard rocks // 2337244
FIELD: mining; construction.SUBSTANCE: method of horizontal radial drain hole constructing in hard rocks includes vertical shaft sinking and drilling from it horizontal radial drain hole and constructing from its bottom additional vertical shaft. Using both shafts along the full length of horizontal radial drain hole it is located string camouflet charge. After charge explosion there are formed horizontal radial drain hole with area of bund fracturing and then on one side of newly formed horizontal radial drain hole there is mounted surface casing with closer and draining, and on the other - choke. On drained territory there is installed at least one hydro-supervisory well.EFFECT: reduction of drill footage; reducing of horizontal radial drain hole breakingin terms; rising of its interception ability and ability to make an attendance for dewatering drained territory.3 cl, 2 dwg, 1 ex

ethod of protection of open pits against ground waters // 2330143
FIELD: mining.SUBSTANCE: method of protection of open pits against ground waters includes excavation of a water collecting trench round the perimeter of the open pit; the trench is connected with a tank provided with a pump installation. Construction of an enclosed system of water intake wells round the open pit in the water-bearing stratum at a distance less than the design depression radius. Creation of a water curtain by delivery of ground waters out of the tank into the water intake wells. Ground waters mixed with fine material is fed into the water intake wells, the mix being prepared in the tank provided with a mixing chamber.EFFECT: reduction of costs for protection of the open pit due to reduction of the volume of ground waters fed into the water intake tank.2 dwg
ethod for pit protection against underground water inflow // 2320874
FIELD: mining and pit protection against underground water inflow in the case of open-pit kimberlite pipe and other mineral deposits development in subpermafrost horizon.SUBSTANCE: method involves discharging water initially contained in deposit section to be developed and precipitation water from said deposit section; drilling injection wells around kimberlite pipe perimeter and from pit bottom; performing explosions in wells surrounding kimberlite pipe perimeter and carrying-out hydraulic fracturing from wells drilled from pit bottom to create jointed subvertical and subhorizontal rock fissured zones, which have uniform fissures; supplying plugging materials therein and creating joined solid watertight diaphragms shaped as integral cups.EFFECT: possibility to create watertight diaphragm, which protects deposit section to be developed against underground water ingress.
ethod for pit protection against underground water inflows // 2320873
FIELD: mining, particularly mining and pit protection against underground water inflow in the case of open-pit kimberlite pipe and other mineral deposits development in subpermafrost horizon.SUBSTANCE: method involves discharging water initially contained in deposit section to be developed and precipitation water from said deposit section; drilling injection wells around kimberlite pipe perimeter and performing explosions through regular system from pit bottom to create joined subvertical annular and subhorizontal rock fissured zones which have uniform fissures; supplying plugging materials therein and creating joined solid watertight diaphragms shaped as integral cups.EFFECT: possibility to create watertight diaphragm, which protects deposit section to be developed against underground water ingress.

ethod to recover hydrological regime of mining facility // 2293819
FIELD: mining, particularly to reduce ejection of underground water flowing into mine during mining operations to ground surface.SUBSTANCE: method involves receiving and collecting of mine inflow, which enters mining zone from cone of depression along mine tunnels; cleaning mine inflow; accumulating thereof in underground water accumulation means and delivering mine inflow into water-bearing seam. Mine inflow is supplied out of cone of depression located outside of mining zone in direction of water-bearing seam depression line to provide water return in operating mine tunnels, wherein distance between lower edge of cone of depression and point of mine inflow supply must be not less than width of mine inflow spreading in water-bearing seam. Mine inflow to be discharged from water accumulation means is supplied to intermediate sump and then is filtered in water-bearing seam due to intermediate sump location in water-bearing seam. Mine inflow is supplied to underground or land-based intermediate sump.EFFECT: increased efficiency of hydrological regime recovery and improved ecological safety due to landscape conservation and enhanced industrial safety due to elimination of underground gas accumulation in dewatered water-bearing seams.4 cl, 3 dwg

Drainage system for deep pits // 2269652
FIELD: mining industry, particularly to remove water from deep pits, especially in going to underground excavation in upper part of ore body.SUBSTANCE: system comprises main pipeline, pumping unit with pumping pipe and power supply members. The system is additionally provided with lowering-and-lifting device arranged on pit side and tightening device provided with rope. The first rope end is connected with tubular case in which submersed pumping unit is installed. Submersed end of the case has throughput orifices for liquid passage. Through orifice formed at outlet case end communicates with pumping pipe orifice, which in turn is connected with inlet end of the main pipeline through connection pipe and connection flange. Outlet end of the main pipeline is secured in the lifting-and-lowering device.EFFECT: reduced material consumption and increased efficiency of water drainage from water-filled deep pits.2 dwg
Storage sump cleaning method // 2267580
FIELD: coal mining industry, particularly for storage sump cleaning.SUBSTANCE: method involves mounting conveying line made as auger flight on storage sump ground before flooding thereof; cleaning excavation of dewatered rock mass without auger flight remounting with the use of different loading devices, namely scraper winches and loading machines. The conveying line is composed of separate sections individually secured to excavation ground. The sections are detached one from another before storage sump flooding and then the sections are serially connected as storage sump is gradually cleaned.EFFECT: increased efficiency and reduced time of storage sump cleaning.

Storage sump cleaning method // 2267579
FIELD: coal mining industry, particularly for underground storage sump cleaning.SUBSTANCE: method involves mounting flight conveyer on storage sump ground; flooding thereof with mine water; pumping mine water out of excavation; dewatering rock mass and loading thereof on the flight conveyer with the use of different loading devices. Lattice flight is covered with protective cases before flooding operation performing. The rock mass is loaded through loading openings created after case removing from the conveyer.EFFECT: increased efficiency, labor productivity and reduced time and cost of storage sump cleaning.1 dwg

ethod of isolating zone underground workings from groundwater and the method of installation of water intake equipment for technological well // 2211894
The invention relates to the field of underground construction, in particular for the construction and reconstruction of industrial wells in the area of sinking works

The method of restoring underground structures // 2211285
The invention relates to the field of construction, namely, to restore the fallen, lost tightness and, as a rule, special flooded underground structures of the underground type

Way slot open pit dewatering // 2187649
The invention relates to the mining industry and can be used in the development of the open method of irrigated mineral deposits, namely when the drainage work sites in flooded rocks

The way the lowering of ground water in the vicinity of buildings and structures // 2162122
The invention relates to the field of construction, and it is used in the construction of underground excavations near existing and under construction buildings and structures in flooded soils

The best way to clean the sludge ponds concentrators // 2155839
The invention relates to methods of cleaning sludge ponds concentrators from solids

A method of lowering of the groundwater during the construction and operation of underground structures and device for its implementation // 2147645
The invention relates to the field of construction and relates to a method of lowering groundwater levels during construction and operation of underground structures located below the groundwater level

The method of growing plants // 2141192
The invention relates to agriculture and can be used for vegetable and berry crops, mainly strawberries, as in lowland areas and on slopes up to 45o

The method of dehydration of liquid waste, put in mine // 2132466
The invention relates to the mining industry and is intended to reduce the volume of mining employed liquid waste

The method of purification of underground water drains from the slurry // 2131959
The invention relates to a method of cleaning drains in underground conditions for development of mineral deposits

Device for stripping mine drains // 2112107
The invention relates to a device for Stripping mine drains

Device for cooling of the soil // 2110647
The invention relates to the construction, namely, devices for freezing ground

Device for dewatering sludge // 2081970
The invention relates to the mining industry, in particular to mine settling ponds, where the water clarification and dewatering the resulting precipitate

The formation method of grouting curtain in flooded rocks // 2076923
The invention relates to the mining industry and can be used, in particular, to limit the inflow of water from aquifers at work career horizon and create normal conditions for the development of mineral

ethod of forming insulating curtains around mining // 2075572
The invention relates to mining and can be used to create a favourable geological conditions during the construction and operation of mines
The way water drainage after drainage of the mountain massif // 2037012
The invention relates to the construction and mining and can be used in mining and underground construction

Device for dewatering // 2035546
The invention relates to the field of construction, in particular for pumping water from sportowego fence in the construction of bridge piers

The method of drainage tunnels and device for its implementation // 2032023
The invention relates to methods of combating the effects of emergencies in tunnels, in particular underground
 
2550953.
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