SUBSTANCE: mole-drainage pipe is made with the projection inverted inside the pipe and located along its length. The pipe consists of two parts. The parts of the pipe are connected via a flexible element. The flexible element provides the ability of folding the pipe in the vertical plane. On the inner projection of the pipe there are straightening ribs. There is a slit between the ribs along the entire length of the pipe.
EFFECT: invention enables to increase the outflow of ground water and to simplify the process of laying the pipes in the ground.
The invention relates to the reclamation, namely to the drain pipes.
Known drainage pipe made with round top arch, and the contour of the lower half of the cross-section of the drainage pipe is formed by the intersection of convex regions of two hyperbola branches connected with round arch pipe on the horizontal axis [as. SU # 894049, CL. EV 11/00].
A disadvantage of the known drainage pipes is fast salaamat small fractions deposited in the lower part of the pipe in the intersection of convex regions of two hyperbola branches, which subsequently leads to reduced capacity and the full embedding.
Known drainage pipe made with facing the inside of the pipe and along the length of the ledge, the top of which are formed openings for the passage of water [as. SU # 290990, CL. EV 11/00, the prototype].
The disadvantage of the model is the low throughput percolating groundwater through the holes. During the laying of such pipes in the soil is necessary channel width of not less than pipe diameter.
The technical result is an increase in the outflow of groundwater, reducing the width of nadinola channel and simplify the process of laying pipes in the ground.
The technical result is achieved by the fact that mole-drainage pipe made with facing the inside of the pipe and located at a length of protrusion, according to the image is the shadow mole-drainage pipe is made of two parts, United by a flexible element that enables the folding of the pipe in the vertical plane, while the inner ledge of the pipe has raspryamlyaetsya ribs, between which there is a slit along the entire length of the pipe.
The invention is illustrated figure 1 - General view 2 - position mole-drainage pipes in the channel, 3 - position mole-drainage pipe in a ditch.
Mole drainage pipe (figure 1) consists of two parts connected by means of the flexible element 1 (figure 2) and having at the base of the protrusions 3 (figure 2), forming a trench 2 (figure 3). On the ledges are raspryamlyaetsya ribs 4 (figure 3), between which is a gap 5(Fig 3) along the entire length of the pipe.
The device operates as follows.
The soil is cut meteor drena 8 of circular cross section (figure 2). Channel 7 (2), left from the knife crotonates, drain 8 is laid mole-drainage pipe 6 (figure 2), pre-compressed in the vertical plane in the cross section of the flexible element 1 (figure 2). After hitting the pipe 6 into the drain 8 ribs 4 (figure 3), located on the edge of the projections 3 (2), straighten the compressed pipe 6, and it takes up all the space molehills 8. When raising groundwater 9 (3) moisture gets into the trench 2 (figure 3) mole-drainage pipe 6 through the gap 5 (Fig 3) between the projections 3.
The use of mole drainage pipes in agriculture is sposobstvuet an increase in the outflow of groundwater and simplifies the process of laying pipes in the ground.
Mole drainage pipe made with facing the inside of the pipe and located at a length of protrusion, wherein the mole drainage pipe is made of two parts connected by a flexible element that enables the folding of the pipe in the vertical plane, while the inner ledge of the pipe has raspryamlyaetsya ribs, between which there is a slit along the entire length of the pipe.
SUBSTANCE: drainage system under galega herb on mineral soils with varying degrees of gleying includes subsurface drainage to collector drains and providing for, due to the distance between them, their depth and diameter of the pipe laying, required to grow plants with glei normal drainage of soils in the period of research, with the water load rated probability exceeding. The closed drainage arranged in sandy loam (option 1) or loamy (option 2) soils with intensive gleying horizons of the soil profile , lies no deeper than 60 cm (option 1) or no deeper than 70 cm (option 2) from the surface of the soil, with the depth of drains of at least 1.3 m (option 1) or at least 1.5 m (option 2), and the change in its drain length not exceeding 0.2 m (option 1) or not more than 0.3 m (option 2). Drainage lines are made without local areas with a reverse bias on the longitudinal profile, and the length of their incline-free areas does not exceed 5 m distance between drains, their diameter and length of the pipe and the pipe diameter of the closed water reservoir correspond to a load of 5% probability of exceeding, providing for the drainage rate on the date of galega herb vegetation resumption as at least the capacity of the topsoil (humus layer), plus 10 cm (option 1) or + 15 cm (option 2), at the beginning of pre-sowing period - at least 60 cm (option 1) or at least 70 cm (option 2) for sowing and growing periods, and in the late autumn harvest - at least 80 cm (option 1) or at least 100 cm (option 2).
EFFECT: intensity of drainage, which guarantees successful cultivation of galega herb in one place without replanting for 30 years or more in sandy loam and loamy soils of varying degrees of waterlogging, and prevention of the possibility of formation of root plugs of plants in hollow drainage pipes, damage to plant from fungal diseases, root rot and loss of plants from excessive moisture content, which provides for a multi-year period of high yield of galega herb.
SUBSTANCE: drainage system includes drainage pipes of higher strength installed with a drainage inclination in an earth bed. Drainage pipes are arranged inside the earth bed body using a method of horizontal directional drilling. End sections of pipes protrude beyond limits of earth bed slopes and are connected to each other in a closed system, the outlet of which is made as capable of connection of compressor equipment. Sections of the drainage pipes arranged in the bed body are made as evenly perforated.
EFFECT: invention makes it possible to improve draining properties of a system and bearing capacity of a road base by increasing a drying zone, realisation of the possibility to regulate drying process, and also reinforcement of an earth bed.
SUBSTANCE: drainage system comprises k experimental drainage systems - versions of R replication with n number of experimental drains, connected with a closed header k-R, made of pipes with water impermeable walls without joints and water receiving holes and entering an inspection drop hydrometric manhole. M number of parallel pipes of closed headers enter the inspection drop hydrometric manhole at the same time and are made with a section with entering drains and an idle part. As the experimental drainage system version is moved away from the inspection drop hydrometric manhole, the idle part of the closed header of the previous experimental drainage system-version is shorter than the idle part of the closed header of each subsequent experimental drainage system version. Pipes of closed headers entering the inspection drop hydrometric manhole are equipped with a cantilever water outlet and are laid in one trench in tiers in different parallel vertical planes.
EFFECT: invention makes it possible to improve conditions for mechanisation of field works, to perform reconstruction and repair of each header and its drains, without interfering with other headers, to reduce number of weed seed pilots.
SUBSTANCE: connection of drain pipes 1 and 2 includes a coupling placed onto end sections of pipes, in the form of a flexible toroid-shaped chamber 4 with a filler 5 from an elastic compressible material having a toroid shape, the surface of which is coated with an anti-friction lubricant. The toroid-shaped chamber 4 is made from a non-elastic shell, and end sections of drain pipes are made with longitudinal rounded corrugations 6. The outer perimeter of cross section of the corrugated part of pipes is equal to the perimeter of the cross section of the outer surface of the chamber shell, and length of corrugations on each end section of pipes is equal to the coupling length.
EFFECT: invention achieves required density of connection of drainage pipes and simplified coupling design.
SUBSTANCE: controller comprises a well 7, a stop element in the form of a valve 4 installed in it on the head of the drain, and the valve is connected with levers of a hinged mechanism, and a float 8. The lever mechanism is made as capable of free contact with the floating float 8. The float is installed in an additional chamber 6. The lever mechanism is installed on the horizontal axis 12. Besides, the axis of the lever mechanism divides it into two unequal parts 14 and 15, the top one of which is more than the bottom one. On the top part of the arm 14 there is a counterbalance reservoir 17 hingedly fixed, the centre of gravity of which is placed above the horizontal axis of rotation. On the bottom part of the arm 15 there is a mechanism hingedly fixed to change position accordingly above the float at elevations of maximum and minimum water level in the float chamber.
EFFECT: increased reliability of a device, higher accuracy of control and possibility to adjust system operation into a drying mode.
5 cl, 3 dwg
SUBSTANCE: device to join drainage pipes 1 and 2 comprises connection elements 4, which are installed in holes 3 near ends of joined pipes and are made in the form of two cylindrical plugs with ball-shaped endings 7, equal to diameters of holes connected to each other with a link. Each connection element 4 is made as Z-shaped. The link in the middle part 5 has width equal to width of a water-receiving gap 6 equal to thickness of the pipe wall. Plugs with ball-shaped endings are introduced into holes of joined pipes, one at the inner side, and the other one at the outer side.
EFFECT: improved reliability of water-receiving gap fixation and prevention of pipes collision against each other in process of mechanised installation.
SUBSTANCE: drain opening is closed with the plug with a branch pipe provided with a branch with a valve and a dispensing container. The branch is connected by the hose to the exhaust pipe of the internal combustion engine, and the exhaust gases are fed into the drain cavity. The dispensing container is filled with fine powder of colloidal copper. The valve is opened, and the powder is fed into the drain cavity. The supply of gases is stopped when the dispensing container is completely empty. The colloidal copper powder together with the stream of exhaust gases is fed onto the inner surface of the drainage pipes and the slits of the drainage pipes.
EFFECT: increased intensity of suppression of life activity of iron bacteria.
SUBSTANCE: method of performance control of transverse drains on catena lies in determining the timeliness of their lowering of the level of groundwater, and ensuring the required drainage rate. To implement the method the measurement of position of the depression curve in the drain spacing on the established wells is carried out. To do this, between the wells the distance is specified depending on the distance between the drains. The first and the last wells in the drain spacing are located in the trench where the drains are stacked. The second and the penultimate wells are located at one metre from the drains. The remaining wells are located taking into account the asymmetry of the depression curve between the transverse drains. The distance from the upper and lower drains is calculated based on the distance Ev. The distance Ev is defined as the distance from the vertical at the point on the depression curve with its tangent line, parallel to the soil surface, in which there is a minimum drainage rate - the maximum approximation of the groundwater level to the soil surface.
EFFECT: improvement of drainage performance and improvement of effectiveness of use of drained mineral soils of catena.
SUBSTANCE: method is carried out by means of heading of containers, such as a cutting cylinder, onto a monolith. At the same time previously the soil is sampled. For this purpose a site is chosen, and in its centre a circular trench is dug with depth of not more than by 25 mm lower than the height of the cutting cylinder, belting the untouched soil, representing a truncated cone in shape, the diameter of the upper base of which is by 10…15 cm more than the inner diameter of the cutting cylinder, and the diameter of the lower base is more than the inner diameter of the cutting cylinder by 15…25 cm. From the soil left untouched the monolith is cut with the diameter of at least by 6 mm smaller than the inner diameter of the cutting cylinder and the height that is at least by 25 mm smaller than the cylinder height. At the same time the cylinder is periodically put on the monolith, using it as a template to monitor the diameter of the cut monolith. After cutting of the monolith and putting of the cutting cylinder on it, the cylinder is pushed into soil, until its upper layer levels with the monolith surface. In the space between the inner surface of the cutting cylinder and the outer surface of the monolith four Z-shaped supporting monolith-supporting plates are inserted with height equal to 3/4 of the cutting cylinder height. Evenly they are distributed along the cylinder perimetre and put on its upper edge. The slot between the inner surface of the cutting cylinder, the soil monolith and its supporting plates is filled with a molten waterproof material, having lower temperature of melting, for instance, a mineral wax. Afterwards the monolith is cut at the bottom at the lower edge of the cylinder, it is installed on the solid surface, packed and delivered to the area of filtration tests performance.
EFFECT: increased accuracy of soil filtration coefficient detection and accuracy of establishment of land reclamation system parameters, efficiency of using reclaimed soils, expanded zone of application of monoliths for detection of filtration coefficient.
SUBSTANCE: method for erection of a vertical drain includes drilling of a well with simultaneous fixation of its walls with a casing pipe, where a casing filter string is lowered. Previously, before lowering of the filter string, a perforated pipe of smaller diameter is lowered into the well, and inside this pipe a filter pipe is lowered, which has been previously perforated and wrapped into a net of non-ferrous metal. Geotextile is wrapped onto the net, which is fixed by a copper wire. The perforated and filter pipes are aligned so that the distance between the inner wall of the perforated pipe and the filter pipe is identical along whole circumference. Then the space between the pipes is filled in layers with a sand and gravel mixture. A well pump is installed inside the filter pipe with installation of coupling pipes and electric cables. Afterwards the casing pipe is withdrawn from the well, and a conductor is arranged from the earth surface.
EFFECT: increased reliability of drain operation.
FIELD: hydraulic structures, particularly to consolidate slopes or inclinations to be eroded by ground waters.
SUBSTANCE: method for slope protection against landslide by diverting ground water with the use of drainage mine tunnel, through filters and upward dewatering wells involves excavating mine tunnel beginning from lower point of original ground under water-bearing horizons with tunnel elevation for water gravity flow, wherein mine tunnel extends parallel to direction of water flow from water-bearing horizons; excavating mine tunnel in different directions perpendicular to above flow direction; performing drilling vertical venting wells at tunnel ends beginning from original ground; drilling upward dewatering wells in water-bearing horizons; drilling vertical wells from original ground used as through filters crossing all water-bearing horizons; connecting thereof with cross-headings excavated from mine tunnel; installing valves at through filter ends; providing filtering members at place of intersection between upward dewatering wells and vertical wells with water-bearing horizons; forming water removal channel in mine tunnel and connecting thereof with original ground; drilling hydraulic observing wells beginning from original ground along line of through filters to control water level in water-bearing horizons.
EFFECT: increased reliability; possibility of diverting 85-90% of water contained in water-bearing horizons.
FIELD: land-reclamation, particularly drainage building in flooded irrigated lands.
SUBSTANCE: method involves digging out channel in a single drainage machine pass by plow-type ditcher; dumping dug out fertile ground on channel brows in banks; digging out trench by operative tool of drainage machine; laying drainage pipe and covering thereof with ground; filling channel with fertile ground. Fertile ground layer is loosened before trench digging out along drainage pipe laying axis, wherein width of loosened ground strip is not less than operative tool width. Loosened ground is laid on channel brows. Trench is dug out by chain operative tool of narrow drainage machine performing reverse rotation and extracted ground is placed between trench walls and drainage machine bunker to cover drainage pipe moved into trench by guiding means. Trench is backfilled with ground with the use of two pairs of banks, which provides successive filling trench with ground and loosened fertile ground.
EFFECT: increased efficiency due to prevention of trench wall compaction, reduced power inputs.
FIELD: hydraulic and reclamation building, particularly in permafrost zones.
SUBSTANCE: method involves creating planned embankment on territory to be developed; performing surface water drainage from embankment. Embankment slope provide water flow to water receiving means and drainage of surface water from adjoining areas. Ground water flowing from adjacent areas are drained during and/or after embankment erection and removed from embankment body. Motor roads and in-territory water draining channel systems are used as water receiving and draining means within the boundaries of territory to be developed. Water diversion ditch system is used for water removal from outside the territory to be developed. Water diversion ditch system are formed along embankment perimeter and above slopes reinforced from embankment side. Motor roads are built on embankment top, wherein motor road pavements are located beneath embankment surface. Embankment has slopes directed towards roads. Motor roads have longitudinal and transversal slopes providing surface water flow along roads to water draining channel system, which drains water into water diversion ditch system. Surface water flows into water diversion ditch system from embankment areas located at a distance from motor roads due to inclining above areas towards water diversion ditch system, which directs water to purification system or to natural temporary or permanent water channels. For ground water removal from embankment body drainage layer is placed in embankment so that drainage layer diverts accumulated water to water diversion ditch system, which is also used to remove ground water entering from areas located adjacent territory to be developed.
EFFECT: simplified structure, reduced labor inputs, provision of stable and effective protective system operation.
6 cl, 2 dwg
FIELD: irrigation building, particularly for laying collector-and-drainage system in the case of high ground water level (which is below plough-layer).
SUBSTANCE: method involves erecting pits along drain lines having inclined walls, wherein pit wall inclination is less than natural filtering material slope; filling the pits with filtering material along drain-installing machine travel so that filtering material volume is equal to that of blinding material; laying drain lines along pit axes with narrow-trench drain-installing machine after drain-installing machine bin is filled with filtering material up to level above ground water one, wherein drain laying rate exceeds rate of water percolation from watered ground of trench backfill; maintaining constant filtering material level in the bin due to supplying thereof from pit; additionally leveling and compacting upper filtering material surface. Device comprises main machine, active working tool with reverse operating chain rotation, guiding draining pipe chute and bin. Bin has front cutting part, expandable transversal walls and longitudinal walls bending in vertical plane. Receiving windows are formed in longitudinal walls. Splitter located in front of working tool is mounted on working tool frame and may perform vertical displacement. Splitter comprises plough and side wings enclosing working tool from two sides and connected to plough in front wing parts and to hinges in rear parts thereof. The hinges are connected to bin in front of receiving windows having additional wings installed behind receiving windows to allow installation angle change. Device has gate extending at 3°-4° angle to drain line and located in lower bin part.
EFFECT: increased capacity and drain laying quality, as well as following drainage operational efficiency.
4 cl, 4 dwg
FIELD: building and irrigation and drainage construction, for agricultural land, underground building parts, roads, and slopes reclamation.
SUBSTANCE: drainage system comprises perforated drainage pipe connected to drain web having extensions, filtering diaphragm and thickened parts in joint areas. The thickened parts are provided with through orifices for bolts receiving. Nuts are screwed on the bolts. Drainage pipe has horizontal slot with bent upwards ends in which drain web in installed.
EFFECT: improved draining efficiency and increased speed of excessive water draining from ground.
FIELD: land reclamation, particularly to lay drain collection system in zones having ground water level above drainage laying level.
SUBSTANCE: method involves loosening fertile ground layer along drain laying axis; digging out channel; forming kerbs of excavated fertile ground; developing trench with chain working tool performing reverse rotation without ground lifting to surface; laying drainage pipe; backfilling the trench and the channel. Pulp consisted of crashed ground and water is extracted from lower trench part during drainage laying and the extracted pulp is supplied into channel or to surface of material used for trench backfilling. Device comprises basic machine, active working tool rotated in reverse direction, drainage pipe tray, box-like hopper with front cutting part, namely knife including post and plowshare. Suction dredge is installed inside the plowshare. Suction dredge has suction line communicated with zone between active working tool and knife through windows formed in front plowshare section. Pressure supply pipeline is communicated with distribution pipelines through intermediate pipeline and bypass gate operated by lever mechanism.
EFFECT: increased productivity and quality of drainage laying in water-saturated ground.
2 cl, 2 dwg
FIELD: mining, particularly to protect building structure built of clay ground against flooding in the case of bedded mineral deposit mining under the structure.
SUBSTANCE: method involves cutting dewatering wells in maximal ground subsidence zones over breakage heading center; drilling horizontal drainage wells from dewatering wells at depth, which is less than distance to neutral line at ground layer bent, but is greater than structure foundation erection depth. Well lengths are determined from mathematical expression with taking into consideration parameters of layer cutting and ground shifting process characteristics.
EFFECT: increased clay ground dewatering and structure protection against flooding.
SUBSTANCE: method comprises lying the drain system with the converging drains on the control section, making observation gates within the converging drains, observing the parameters of the operation of the drain system, and comparing the parameters with the permissible values. The drains are provided with mouth and source sections of parallel drains. The lengths of the source and mouth sections of the parallel drains are chosen to be no less than the half of maximum distances between the sources and mouths of the converging drains, respectively.
EFFECT: enhanced precision of control.
1 cl, 1 dwg
SUBSTANCE: method comprises making diverging drainage canals in the area to be drained. The mouths of the bed sections are connected with the collector through the underground pipelines. The flow rates are measured and water is sampled in the mouths of the underground pipelines and in the mouths of the canal section beds connected to the collector. The concentrations of contaminants in the samples is measured, and the results are compared with the permissible values.
EFFECT: reduced labor consumptions.
FIELD: mining, particularly to protect objects to be developed and located in shifting basing against flooding with ground and surface water.
SUBSTANCE: method involves forming water-receiving excavations made as drains, pits or wells; draining and removing water; predicting ground surface relied after ground deformation before underground work performing; marking out flat shifting basin bottom and zone characterized by maximal relief depression; forming pit in area of maximal relief depression; arranging water drain at shifting basin boundary; forming ground water removing wells. Pit volume, well depth and well pitch are determined from mathematical relations.
EFFECT: increased efficiency.