Maintenance method of grass surface of outdoor sports grounds
SUBSTANCE: method comprises treatment of the upper layer of the substrate of outdoor sports grounds with aqueous reagent solution. The reagent is used as 1% aqueous solution of hydrogen peroxide. Treatment of the upper layer of the substrate of sports grounds with grass surface is carried out by sprinkler irrigation with the cycle of 5 irrigations a day in amount of 20 tons per one irrigation. After treatment with the reagent the organic mass exfoliated on the surface of outdoor sports grounds is removed, a break of two days is maintained in the treatment. Then the cycle of treatment of the grass surface is repeated also by sprinkler irrigation with 1% aqueous solution of hydrogen peroxide and, if necessary, overseeding of seeds of sod-forming grasses is carried out to restore the grass surface of outdoor sports grounds.
EFFECT: method enables to increase the intensity and to reduce the time of formation of grass surface and to simplify the maintenance of grass surface.
The invention relates to the field of rural and urban, and can be used for the care of grass sports fields, Golf courses, race tracks and platforms, allowing you to maintain quality turf sports grounds or update them.
Known way to care for turf outdoor sports facilities, which consists in seeding the site, its watering by sprinkler irrigation, hand weeding and regular cutting of the grass.
This method does not ensure the creation of quality turf.
(Francine T. green, Green. - Farming, 1986, №2, №3, p. 72-75).
Known method of creating herbal grass cover outdoor sports grounds and care for them according to the patent RU 2087614 from 22.11.95, including seeding sites are prepared grass seeds, half daily watering, mowing with periodic fertilization and repair of the grounds after each use. The repair is to grabline and the subsequent maintenance of soil mix containing grass seed and consisting of the following components, wt.%: Chernozem - 60-80, peat - 35-10, dry pine sawdust - 5-10.
(EN 2087614 C1, E01C 13/00, A01G 7/06, 1994)
The disadvantage of this method is the complexity of lawn care during its cultivation and long enough for the formation of herbs�tion cover.
The closest to the claimed technical solution is the way to care for turf sports grounds, comprising treating the upper layer of soil with grass solution of reagent - polyethylsiloxane.
(EN 2020198 C1, 01G 7/06, 1994)
This method as well as all known methods do not contain the whole set of measures that allows you to create high-quality coating, which can withstand heavy loads when you use outdoor sports fields.
The task of the claimed method is the creation of technology that contains a set of measures to create high-quality turf that can withstand heavy loads when you use outdoor sports fields.
The technical result is to increase the intensity and decrease the time of the formation of turf due to gradual removal of layers of organic matter in the soil, which reduces the intensity of the formation of the turf, its quality decreases and reduces the service life of turf. This reduces the costs for caring for a grass pitch outdoor sports facilities. A method is also simple to implement.
To achieve the said technical result in the way to care for turf outdoor sports facilities, including treatment�the top layer of the substrate outdoor sports grounds with an aqueous solution of the reagent, according to the invention, the reagent used 1% aqueous hydrogen peroxide solution, and the processing of the upper layer of the substrate athletic fields grass is carried out by sprinkler irrigation cycle 5 irrigations a day for 5 days in the amount of 20 t one irrigation after treatment reagent is removed on the surface of exfoliated outdoor sports grounds organic mass that can withstand a break in treatment for two days, then repeat cycle processing turf also by conducting sprinkler irrigation 1%aqueous hydrogen peroxide solution and if necessary, carry out sowing of seeds, turf grasses to restore turf outdoor sports facilities.
Conducted by the applicants analysis of the prior art, including searching by the patent and scientific and technical information sources and identify sources that contain information about the analogues of the claimed method, has allowed to establish that the petitioners have not found an analogue, characterized by features identical to all the essential features of the claimed method.
The definition from the list of identified analogues of the prototype revealed a set of essential in relation to perceived technical result of the distinctive features in the claimed method, and�proposed in the claims.
Therefore, the claimed method meets the criterion of "novelty."
To verify compliance of the claimed method, the applicants conducted an additional search of the known solutions to identify signs that match the distinctive features of the prototype features of the claimed invention.
The search results showed that the claimed invention not apparent to the expert explicitly from the prior art, certain applicants have not identified impact provided the essential features of the claimed method of transformations to achieve a technical result.
Therefore, the claimed invention meets the criterion of "inventive step".
The criteria of the invention "industrial applicability" is confirmed by the fact that the claimed method contains a set of measures to create high-quality turf that can withstand heavy loads when you use outdoor sports fields.
The present invention will be explained a specific example of execution, which, however, are not only possible, but clearly demonstrates the possibility of achieving the desired technical result.
Example. The way to care for turf sports grounds as follows. To process the surface of the open dispute�active site (sports turf) grass 1% aqueous solution of hydrogen peroxide by sprinkler irrigation cycle 5 irrigations a day for 5 days in the amount of 20 tons for one watering. After processing reagent is removed on the surface of exfoliated outdoor sports grounds organic mass. Withstand a break in treatment for two days, then repeat the loop turf also by conducting sprinkler irrigation 1% aqueous solution of hydrogen peroxide. If necessary, carry out sowing of seeds, turf grasses to restore turf outdoor sports facilities.
Studies have been conducted and a series of laboratory experiments to accelerate the formation of turf sports grounds claimed method.
Research and experiments have shown that the intensity and decrease the time of the formation of turf to 5-6 days (7-9 days prototype) through the use of a complex of measures for the phased removal of organic matter in the substrate, which reduces the intensity of the formation of the turf, its quality decreases and reduces the service life of turf. Obtained in experiments turf withstands heavy loads when using the open Playground. Due to the fact that the inventive method is simple in execution, decrease the cost of care turf outdoor sports facilities.
Thus, the inventive method containing complex, uncut�measures entered as much as possible to create high-quality turf sports grounds and withstand heavy loads when you use outdoor sports fields, allows to increase the intensity of formation turf sports grounds and reduce the timing of their formation is due to gradual removal of organic matter in the soil, resulting in reduced intensity of the formation of the turf, its quality decreases and reduces the service life of turf. The main advantage of this method is improving the quality of established turf in the public arena and reducing the time of their formation.
The way to care for turf sports grounds, comprising treating the upper layer of the substrate outdoor sports grounds with an aqueous solution of the reagent, characterized in that the reagent is used as 1% aqueous solution of hydrogen peroxide, and the processing of the upper layer of the substrate athletic fields grass is carried out by sprinkler irrigation cycle 5 irrigations a day for 5 days in the amount of 20 t one irrigation after treatment reagent is removed on the surface of exfoliated outdoor sports grounds organic mass that can withstand a break in treatment for two days, then repeat the loop turf also by conducting sprinkler irrigation with 1% aqueous Sol�rum of hydrogen peroxide and if necessary, carry out sowing of seeds, turf grasses to restore turf sports grounds.
SUBSTANCE: invention relates to artificial coating, in particular, for sport fields, garden design, golf courses, etc, with main layer, multiple segments of fibre and shock-absorbing material, in which fibre segments are attached to main layer. Shock-absorbing material is placed between fibre segments. Fibre segments consist mainly of, at least, one terephthalic acid polyester, in particular, poluethylene terephthalate (PET) from waste material.
EFFECT: improvement of coating properties.
14 cl, 3 dwg
FIELD: textile, paper.
SUBSTANCE: artificial grass cover contains grass fibre (1), a lower part of grass (2) and glue on the rear side of the lower part of grass (3). Grass fibres and the lower part of grass (2) are made from one or more thermoplasting polymers selected from polyethylene, polypropylene and/or polyamide. The glue on the rear side of the lower part of grass (3) contains an emulsion of copolymer of ethylene-vinyl acetate with a filler and an antioxidant. To manufacture an artificial ice cover, glue components are previously evenly mixed into an adhesive paste and applied onto the lower part of grass for fixation to the grass fibre. The artificial grass cover may be processed by grinding, heating and even mixing at the temperature 120-180°C, without preliminary separation. The processed material is used to produce the lower part of grass of an artificial cover and different items or products.
EFFECT: possibility to process a grass cover.
12 cl, 1 tbl, 2 ex, 2 dwg
SUBSTANCE: method for moving-out and return of a football field for a covered stadium consists in displacement of a grass coating fixed on a flexible substrate and arranged on a flat rigid board, relative to the rigid flat base beyond the stadium borders and back. Operations of the movement in both directions of the flat board are carried out by means of the base inclination towards the movement side in case of gravity displacement along the board base, and the base is equipped with rolling supports, with the board braking at the end sections of its movement in both directions.
EFFECT: simplified mechanism of movement and reduced labour intensiveness and time of operations performance to remove and return the coating into the initial position.
2 cl, 4 dwg
SUBSTANCE: in method to remove grass coat and to return it into initial position, consisting in displacement of grass coat relative to rigid base with the help of driving mechanisms, substrate of grass coat is arranged directly on rigid base, which is equipped with systems of drainage and heating. To remove grass coat from stadium field, one of end edges of grass coat substrate is fixed with the help of arched pads to rollers with cylindrical shape of shells. Rollers are fixed on axes with flanges at the ends and are arranged with gaps between each other parallel to end edge of coat. Axes of rollers are joined to each other by means of intermediate axes with similar flanges at the ends. Ends of axes of extreme rollers are arranged with lugs. Both lugs are connected with trailer accessories of traction units, which are moved with identical speeds along side edges of football field to its opposite end with provision of swinging of joined rollers and winding of substrate on them with a grass coat fixed on it. At the end of field the rolled substrate with grass coat is placed on trolley, on which specified roll is taken outside the stadium and is again rolled with the help of traction units. Returning grass coat into initial position is done in a similar manner, but in a reverse order. At the same time maximum diametre D0 of roll from rollers with wound grass coat substrate is determined according to the following formulas: D0=D+2(n-1)a,n=[0.25(D/a-1)2+L/(πa)]0.5-0.5(D/a-1), where π - number of grass coat substrate turns on rollers, D - diametre of rollers, m, a - average thickness of coat in wound condition, m, L - length of coat, m.
EFFECT: simplification and cheapening of method, reduced labour intensiveness and time required to do operations of football field extension and returning in initial position.
1 cl, 1 dwg
FIELD: construction, particularly coverings for sport and playing grounds, pavements, all-purpose mats and so on with the use of ecologically-friendly materials based on rubber and tire scrap, as well as artificial rubber.
SUBSTANCE: method involves preparing filler, namely rubber crumb, and binding material, namely polymeric mass; mixing thereof in mixer; pouring the obtained mix on base. The filler has 1.0-70.0 particle dimensions. Filler/binding material ratio is from 10:0.5 to 10:10. Filler and binding material are mixed at temperature exceeding 2°C in screw mixer having reversible drive up to homogenous mass obtaining. Binding material is added after filler introduction during mixing operation. Ready mix is unloaded by means of screw mixer. Before mix pouring base is cleaned of dirt and dust and covered with primer. The mix is poured after at least partial primer drying to reach mix layer thickness more than 2 mm on base. After that the mix is covered with film to prevent mix adhering to working tools. Then the covering is smoothed, compacted and cured for total hardening thereof.
EFFECT: increased productivity, decreased production costs, simplified technology and extended range of technical capabilities.
7 cl, 3 dwg, 3 ex
FIELD: pavings or foundations specially adapted for playgrounds or sports grounds, particularly ground for racecourses, show jumping fields, indoor and outdoor riding-house structures.
SUBSTANCE: all-weather ground composition includes quartz sand, fiber materials, elastic fillers and binding agent. The fiber materials comprise polyester polymer, namely lavsan, having fiber lengths of 1-8 mm, polymeric material layer, namely polyvinylchloride, applied thereto and cordage lavsan fiber having fiber lengths of 5-30 mm. The elastic filler is rigid synthetic polypropylene fibers of 15-40 mm lengths, grinded geotextile web used as pieces having 0.5-3.0 cm2 surface areas and granular elastic filler, namely rubber crumb with 1.0-15 mm particle dimensions. The binding agent is structural surface modifier, which provides bulk density decrease, decrease of maximal density during ground compaction, absolute deformation and absolute residual deformation increase and necessary water-permeability. Above components are taken in the following amounts: quartz sand - 70-95%, polyester polymer, namely lavsan, with polyvinylchloride layer - 0.5-4%, cordage lavsan fiber - 1-5%, rigid synthetic polypropylene fiber - 0.05-0.2%, grinded geotextile web particles - 0.05-0.2%, structural surface modifier - 2-10%, remainder is rubber crumb.
EFFECT: elimination of prior-art disadvantages, reduction of residual deformation, increased recoverability and all-weather ground covering uniformity, improved usage properties in wide temperature range, decreased dust formation during ground covering usage, reduced height of ground fragment rebound and, as a result, increased safety.
3 cl, 1 tbl, 1 dwg
FIELD: pavings or foundations specially adapted for playgrounds or sports grounds.
SUBSTANCE: running track comprises substrate layers and upper nonslip layer provided with working surface. The working surface is cellular and is created by removal of 1.5-2 mm thickness of granular polyethylene material layer submersed in upper newly laid layer.
EFFECT: increased relief quality and improved track adaptability for athletics.
FIELD: manufacture of plant covers used for beautification of streets, squares, construction of sportive grounds, as well as for landscape designing.
SUBSTANCE: method involves spraying organic adhesive onto fine-mesh basalt net by means of specially designed equipment for filling meshes to thereby create strong carrier base. Net is perfectly ecologically safe and allows seeds to be uniformly sown over the entire area of lawn. Adhesive used for providing lawn is functioning as nutritive compound for seeds and is used simultaneously for protecting seeds from external influence of moisture and air during prolonged periods. After drying in first drying chamber, mixture of lawn grass seeds is sown onto carrier base through dosing hopper, followed by applying onto given mixture of organic adhesive and drying in second drying chamber. After discharge from drying chamber, ready dry lawn is cut into parts of various lengths, wound into roll and hermetically packed in polyethylene film for further storage and transportation. Lawn is placed on site by unwinding roll onto preliminarily prepared ground and spilling nutrient mixture thereon, followed by heavy irrigation to provide for sprouts emergence. Nutrient mixture and lawn grass seed mixture compositions are worked out depending on climatic zone and composition of parent ground on which lawn is to be provided.
EFFECT: increased efficiency by providing uniform sowing of seeds over the entire lawn area, and damage-free transportation and handling of grown lawn.
FIELD: building, particularly forming coating on sport ground and similar structures.
SUBSTANCE: method involves securing vertical rods in load-bearing layer, arranging zigzag heating wires connected with power source on load-bearing layer; connecting heating wires to vertical rods and applying coating material on load-bearing layer. Coating material is concrete of the following composition (% by weight): low-molecular oligodiene - 8-11; sulfur - 3-6.5; thiuram - 0.3-0.7; zinc oxide - 1.5 - 5.0; calcium oxide - 0.3-0.6; ash from heat power plant - 7-10; remainder - quartz sand. Uninsulated heating wire is used as coating layer reinforcement. Rod height corresponds to coating layer thickness. Electric power is supplied from power source for 55-56 min to obtain coating layer temperature of 85-95°C and then for 180-200 min to maintain 115-125° temperature thereof. Rate of temperature change may not exceed 1°C per minute.
EFFECT: reduced power inputs along with increased coating strength.
2 tbl, 2 dwg
SUBSTANCE: invention relates to environmental protection and specifically to biological reclamation of disturbed soils and recycling of industrial wastes. The material includes sludge from soda production and dehydrated excess active sludge and or a mixture of dehydrated excess active sludge and residue from primary settling tanks after treating urban household wastes. The dehydrated excess active sludge is a current output waste or a waste stabilised in natural conditions for 1-10 years, and has the following composition, wt %: organic substances - 49-67, mineral substances - 33-51, including total nitrogen of up to 5.7%, phosphorus of up to 7.4%. The sludge from soda production used has particle size of less than 0.5 mm and is obtained from centrifuging at a rate of 3800-4200 rpm and centrifuging time of 12-18 min with pH of aqueous extracts of 8.2-8.5. The weight ratio of the sludge from soda production to the dehydrated excess active sludge or mixture of dehydrated excess active sludge and residue from primary settling tanks is 2:1-1:1.
EFFECT: obtaining material for biological reclamation without limitation on the field of use, low cost of the material and wider range of resources for production thereof.
SUBSTANCE: invention relates to a composite moisture-retaining material, which can be used in crop production for the improvement of water-air and nutritional mode of soil, as well as for the recovery of vegetation on soils of various types. The composite moisture-retaining material is made on the base of acryl copolymer and filler. The acryl copolymer is made on the base of acrylamide and acrylic acid salts with a ratio of 20/80-80/20 mol. % in the presence of a cross-linking agent N,N'-methylene-bis-acrylamide and a polymerisation initiator. As the filler used is a mixture of wastes of biocatalytic productions of acryl monomers and acids of humic acids with a ratio of 99/70-1/30 wt % by dry substance in the form of a water paste or a dry powder-like form. The total content of the filler constitutes to 60 wt %. A method of obtaining the composite moisture-retaining material is described.
EFFECT: reduced cost of the moisture-retaining material, presence of an additional source of plant nutrition, simplification of technology of a filled gel manufacturing with the preservation of water-sorption properties at the level of existing filled and non-filled analogues.
2 cl, 1 tbl, 10 ex
SUBSTANCE: invention relates to method of binding non-monolithic inorganic materials by hardenable compositions, as well as to hardened compositions, which can be obtain by claimed method. Method consists in performing contact of inorganic materials with hardenable composition, which contains, at least, one hardenable etherified carbamide-formaldehyde resin, which contains certain structural units, with further thermal resin hardening. Amount of hardenable composition constitutes from 0.5 to 60 wt % counted per inorganic materials, and hardening is performed at temperature from above 0 to 280°C.
EFFECT: obtained hardened compositions possess improved physical-mechanical characteristics.
10 cl, 11 tbl
SUBSTANCE: composite material contains drilling wastes, portland cement in amount of 5-10% of the volume of the drilling wastes, technical carbon 0.5-1% of the volume of drilling wastes, quick lime 3-5% of the volume of drilling wastes, peat 20-40% of the volume of drilling wastes, sand 10-30% of the volume of the drilling wastes, phosphorus-containing mineral fertiliser 20-30 kg per ton of the composite material. The phosphorus-containing mineral fertiliser can be diammonium phosphate, ammonium nitrate phosphate fertiliser, ammophos with potassium sulphate or potassium chloride in ratio of 70:30 wt %, diammophos with potassium sulphate or potassium chloride in ratio of 70:30 wt %. The composite material further contains hydrocarbon-based spent or unused drilling fluid with hydrocarbon content of 3-5% of the volume of the drilling wastes.
EFFECT: use of the present composite material provides effective recultivation of disturbed soils while recycling hazardous drilling wastes and improves the environment.
8 cl, 3 ex
SUBSTANCE: method consists in treatment of the latter by a stabiliser containing latex polymer, which is applied mixed with water. Treatment of soil or foundation is carried out by introduction of the stabiliser by means of a cutter by the cutting method as the stabiliser is mixed with ground or foundation. The latex polymer is represented by latexes from the group that includes sterol-butadiene latex, (meth)acrylate latex, ethylene-vinyl acetate latex, ethylene/propylene latex, ethylene/propylene-dimer latex, butadiene-acrylonitrile latex, silicon latex, polybutadiene latex, latex from natural rubber or mixture of two or several of the specified latexes. The stabiliser additionally comprises a thickener based on cellulose, a defoaming agent selected from the group including silicons, glycol ethers, natural fats or oils and fatty alcohols, and also at least one chloride or at least one hydroxide of alkaline or earth metal, besides, the stabiliser has the following composition (wt %); 0.1 - 50 latex polymer, 0.05 - 5 thickener, up to 5 defoaming agent, 0.01 - 10 chloride or hydroxide of alkaline or earth metal, residue to 100 - water.
EFFECT: fixation and stabilisation of soils or foundations, making it possible without removal and recycling of oil soil and special costs to perform construction-earth works.
6 cl, 2 ex
SUBSTANCE: three types of clay of different chemical composition is used with addition of molasses and Linex biopreparation in the following ratios, wt %: Dialbeculit clay -38-40; Irlit clay 1 - 28-32; Irlit clay 7 - 16-20; molasses - 8-12; Linex biopreparation -2-4. Adding such a composition to the soil reduces the amount of oil pollutants by 72%.
EFFECT: low toxicity of soil and expenses on amelioration.
1 tbl, 1 ex
SUBSTANCE: invention relates to soil and ground chemical propping compositions and can be used in agriculture against water and wind erosion, as well as in construction of roads and other earth structures. The disclosed aqueous soil and ground propping composition contains 0.90-4.62 wt % of a charged polyelectrolyte complex and 0.08-0.87 wt % of a salt of an alkali metal or ammonia. The charged polyelectrolyte complex in said composition is a product of reacting water-containing solutions of a cationic polyelectrolyte, which contains chloride and bromide counter-ions, and an anionic polyelectrolyte from a group which includes a sodium salt of carboxymethyl cellulose, an alkali metal or ammonium salt of a polyacrylic acid or polymethacrylic acid, taken in a ratio where content of charged links of one polyelectrolyte ranges from 51% to 60% of the content of charged links of the other polyelectrolyte.
EFFECT: compared to the closest counterpart, the disclosed composition provides efficient soil and ground propping from wind erosion while reducing content of salt in the composition from 1,5-3,7 wt % to 0,08-0,87 wt % and consumption of the composition from 1-2 l/m2 to 0,3-0,45 l/m2.
SUBSTANCE: invention relates to soil and ground chemical propping methods and can be used in agriculture against water and wind erosion, as well as in construction of roads and other earth structures. The method involves mixing aqueous solutions of an anionic polyelectrolyte and a cationic polyelectrolyte and a water-soluble salt. The polyelectrolytes are mixed with their total initial concentration ranging from 1 to 10 wt % in a ratio at which content of charged links of one polyelectrolyte is equal to 5-50% of the content of charged links of the other polyelectrolyte and concentration of at least one salt, selected from a group comprising an alkali metal salt, an ammonium salt, a calcium salt and a magnesium salt, ranges from 0.01 to 0.1 wt %.
EFFECT: low content of salt in the composition and lower consumption rate of the composition.
7 cl, 7 ex
SUBSTANCE: invention relates to soil and ground chemical propping compositions and can be used in agriculture against water and wind erosion, as well as in construction of roads and other earth structures. The composition contains a polyelectrolyte, a water-soluble salt and water. The polyelectrolyte is a charged polyelectrolyte which is a reaction product of aqueous solutions of a cationic polyelectrolyte and an anionic polyelectrolyte, selected from a group comprising a sodium salt of carboxymethyl cellulose, an alkali metal or ammonium salt of polyacrylic acid or polymethacrylic acid, taken in a ratio at which content of charged links of one polyelectrolyte is equal to 5-50% of the content of charged links of the other polyelectrolyte, and the salt is an alkali metal or ammonium salt, or a mixture of such a salt with a calcium or magnesium salt, with the following ratio of components, wt %: reaction product 0.91-9.91; water-soluble salt of aqueous solutions of the cationic and anionic polyelectrolytes 0.10-0.62; water - the balance.
EFFECT: low content of salt in the composition and lower consumption rate of the composition.
SUBSTANCE: invention relates to the field of recultivation of damaged soil in conditions of the Far North and may be used when restoring the soil and vegetation layer disturbed by industrial and economic human activities. The method of recultivation of damaged soil is described, including introduction into the ground of bentonite clay, seeds of perennial grasses, fertilisers, humic compounds and binder, and the bentonite clay is inserted as part of the waste mud, followed by stirring the top layer of soil. Then the fertiliser, humic compounds and seeds of perennial grasses are inserted, and then a binder is inserted, which is used as a solution of xanthan gum.
EFFECT: invention provides a more efficient process of recultivation, expansion of the scope of application on the surface of soils with different steepness.
FIELD: oil and gas industry.
SUBSTANCE: peat alkaline drilling mud for well drilling in permafrost includes, wt %: peat 5-7; potassium-containing alkaline modifier 0.5-1.5; potassium chloride as inhibitor 1-3; polymer flocculant and fluid loss reducing agent Polydia 0.1-0.5; froth suppressor MAC-200M 1-3; the rest is water.
EFFECT: enhanced reliability of well drilling in clay rocks, especially in permafrost under abnormally low reservoir pressure due to high inhibition properties of drilling mud and low foaming.
2 tbl, 1 dwg