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56results about How to "Strong drainage" patented technology

Energy dissipation, shock absorption and anti-liquefaction rigid and flexible slide-resistant pile and construction method

An energy dissipation, shock absorption and anti-liquefaction rigid and flexible slide-resistant pile and a construction method belong to the slope supporting technology field. The energy dissipation, shock absorption and anti-liquefaction rigid and flexible slide-resistant pile is composed of a hollow tubular pile, broken stones, anchor cables and air cushions, wherein the hollow tubular pile comprises first-type hollow tubular piles and second-type hollow tubular piles, which are all prefabricated with reinforcement concrete; crossed plates are embedded in an external barrel; water permeating holes are formed in the external barrel in a plum blossom shape; anchor cables penetrate through the hollow tubular piles and the air cushions are covered at the outer side; one first-type hollow tubular pile and many second-type hollow tubular piles are arranged in sequence in the pile holes of a slope body; the tops and the bottoms of the hollow tubular piles are embedded with one another; the hollow tubular pile is filled with the broken stones and a cover plate is arranged on the top; the anchor cables are anchored on the bottom plate and the cover plate through an anchorage device and the air cushions are full of gas. The slide-resistant pile is prefabricated, assembled and formed to be a rigid and flexible body, has high load-bearing capacity, plays a role in well dissipating energy under earthquake condition, has good drainage capacity and prevents soil around the pile from being liquefied; the construction method is simple and quick and the engineering cost is low.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Double-cropping rice based ecological ditch cultivation method for triple-cropping winter crops

The invention discloses a double-cropping rice based ecological ditch cultivation method for triple-cropping winter crops, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch cultivation method includes the steps of 1), executing ditching engineering in a late rice field; 2), performing water management before harvesting late rice; 3), treating late rice stalks; 4), utilizing a chained ditcher to clean ditches and spread out mud; 5), planting winter crops; 6), performing field management; 7), harvesting the winter crops. The double-cropping rice based ecological ditch cultivation method has the advantages that an arable layer structure of soil is changed; full amount field returning and deep burying treatment of the crop straws can be realized at one step, and meanwhile, fertilizer is deeply applied, utilization rate of the fertilizer can be increased; water content of ditch soil is lowered, soil aeration is improved, and utilization rate of natural precipitation can be improved; no-tillage and non-straw burning of the winter crops are realized, and ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced.
Owner:HUNAN AGRICULTURAL UNIV

Water-fluctuation zone self-locking wave-dissipation vegetation ecological slope protecting components

The invention relates to a water-fluctuation zone self-locking wave-dissipation vegetation ecological slope protecting components, which consists of two bricks with foursquare as basic shape; wherein, one of the brick is provided with linked grooves at four sides thereof respectively, a cell body is arranged in the middle of the brick, which has an upward heave and a planting hole in the middle, and a counter-arc jettied convex body is mounted on periphery adjoiner of the superface cell body of the brick; the other brick is provided with linked wedge blocks for intercalation with the linked grooves, a cell body is also mounted in the middle of the brick, and counter-arc jettied convex body is arranged on periphery on periphery adjoiner of the superface cell body of the brick; the undersurfaces of the two bricks are provided with wedges to wedge into soil; the cross-sectional shape of the counter-arc jettied convex body is similar to an isosceles trapezoid, while the upper bottom is larger than the lower bottom and the two waists are in the shape of arc. The invention realizes connection between two components of two bricks by using four-side self-locking structure, which features high stability, strong adaptability, good effect of wave dissipation and environmental protection.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Double-cropping rice based ecological ditch direct-seeding cultivation method for triple-cropping early rice

The invention discloses a double-cropping rice based ecological ditch direct-seeding cultivation method for triple-cropping early rice, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch direct-seeding cultivation method includes the steps of 1), executing ditch engineering in a winter crop field; 2), performing water management before harvesting winter crops; 3), treating winter crop stalks; 4), cleaning ditches and spreading out mud; 5), directly seeding early rice; 6), performing field management; 7), harvesting the early rice. The double-cropping rice based ecological ditch direct-seeding cultivation method has the advantages that an arable layer structure of soil is changed; deep application of fertilizer is benefited and utilization rate of the fertilizer is beneficially increased; water content of ditch soil is lowered, soil aeration is improved, and utilization rate of natural precipitation can be improved; no-tillage, no-straw burning and no-filling and soaking of field water in transplanting the early rice are realized; and ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced.
Owner:HUNAN AGRICULTURAL UNIV

Efficient water sucking-draining pipe for inner part of rock-soil body

ActiveCN110004949AStrong drainageWide range of water absorptionExcavationsSoil preservationFiber layerEngineering
The invention discloses an efficient water sucking-draining pipe for the inner part of a rock-soil body. The efficient water sucking-draining pipe sequentially includes a protective layer, a water sucking layer and a water draining layer from outside to inside; the water draining layer includes a cylinder-shaped matrix, one end of the matrix extends outwards to form an evaporation end surface in ahorn shape, a plurality of axial capillary channels are correspondingly and evenly formed in the matrix and the evaporation end surface in the circumferential direction, and each of the capillary channels communicates with the external through capillary grooves formed in the radial direction; the evaporation end surface is placed on the outer part of the side slope rock-soil body in burying; thewater sucking layer includes a moisture absorbing-releasing fiber layer, the outer wall of the matrix is wrapped by the moisture absorbing-releasing fiber layer, and the moisture absorbing-releasing fiber layer is tightly attached to the capillary grooves, and the evaporation end surface is not wrapped by the moisture absorbing-releasing fiber layer; the protective layer includes a permeable earthwork filtering cloth, the outer part of the moisture absorbing-releasing fiber layer is wrapped by the permeable earthwork filtering cloth, and a plurality of fixing rings are arranged on the outer part of the permeable earthwork filtering cloth. According to the efficient water sucking-draining pipe, moisture in the wide-range soil body on the periphery can be actively sucked and quickly drained,capacities of water sucking and draining are high, the efficiency is high, and the water sucking range is wide.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Hydroximated water-soluble polyelectrolyte inverse microemulsion and preparation process thereof

A hydroximated water-soluble polyelectrolyte inverse microemulsion and a preparation process thereof are disclosed, wherein, the emulsion comprises: water phase, oil phase, a hydroximating agent and an inverse agent; the process comprises: formulating sodium hydroxide, pyrosulfite, VA-044 and potassium bromate into solution with deionized water; adding deionized water into a reaction kettle and then sequentially adding acrylamide and acrylic acid; lowering the temperature after dissolution and adding sodium hydroxide solution to control the temperature, adding sodium acetate, sodium formate and diethylene triaminepentaacetic acid pentasodium salt to formulate into the water phase, feeding in high-purity nitrogen to drive away oxygen; adding white oil, span80, Tween81 into a dissolving tank to formulate into the oil phase, feeding in pure nitrogen to drive away oxygen; adding the oil phase into the water phase, adding AIBN and VA-044 after nitrogen is filled up to drive away oxygen, adding sodium pyrosulfite solution for three times with every 40 minutes once in order to control the temperature, then heating up for reaction; heating up once again, adding hydroxylamine hydrochloride for reaction, and dropping the temperature; then adding NP-10 to prepare the target substance for being discharged.
Owner:格润化学(东营)有限公司

Insect-prevention waterproof and fireproof power distribution apparatus

The invention discloses an insect-prevention waterproof and fireproof power distribution apparatus. The power distribution apparatus has high water discharge capacity, can prevent rain water permeation in a rainy day to cause power control equipment fault, and has insect prevention and fireproof functions and simple structure; by virtue of the power distribution apparatus, power utilization safetycan be safeguarded fully; the whole apparatus is relatively sealed without more holes, so that mosquitoes and other insects entry can be prevented; through an adjustment nut, the height of the wholeapparatus can be adjusted; the apparatus is far from low-lying areas and the ground with insects, so that insect-prevention and waterproof properties are realized; when there is much water accumulation in the apparatus, a driving motor drives a gear, a cross beam declines, and a water pump extracts the accumulated water to a water liquid collection room; in a rainy day, a hydraulic rod backs off,and a waterproof plate is expanded; in sunny days, the hydraulic rod extends and the waterproof plate is stored, so that rainwater avoidance is realized; for realizing the fireproof property, a fireproof layer is arranged on the outer surface of the power distribution box; by virtue of setting of a reinforcing plate and a metal net, the rigidity of the whole apparatus is improved; and by virtue ofsetting of a decorative surface layer, the attractive degree is improved.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO LONGKOU POWER SUPPLY CO

Double-cropping rice based ecological ditch transplanting cultivation method for triple-cropping early rice

The invention discloses a double-cropping rice based ecological ditch transplanting cultivation method for triple-cropping early rice, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch transplanting cultivation method includes the steps of 1), executing ditch engineering in a winter crop field; 2), performing water management before harvesting winter crops; 3), treating winter crop stalks; 4), cleaning ditches and spreading out mud; 5), transplanting early rice; 6), performing field management; 7), harvesting the early rice. The double-cropping rice based ecological ditch transplanting cultivation method has the advantages that an arable layer structure of soil is changed, a sludge layer, a straw layer and a soil layer are formed from top to bottom; deep application of fertilizer is benefited and utilization rate of the fertilizer can be increased; good water discharge capacity of narrow ditch surfaces and good water-holding capacity of the ditches are utilized; no-tillage, no-straw burning and no-filling and soaking of field water in transplanting the early rice are realized; and ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced.
Owner:HUNAN AGRICULTURAL UNIV

Energy-dissipating shock-absorbing anti-liquefaction rigid-flexible anti-slide pile and its construction method

ActiveCN104762980BReduced without being damagedNo liquefactionProtective foundationExcavationsReinforced concreteRebar
An energy dissipation, shock absorption and anti-liquefaction rigid and flexible slide-resistant pile and a construction method belong to the slope supporting technology field. The energy dissipation, shock absorption and anti-liquefaction rigid and flexible slide-resistant pile is composed of a hollow tubular pile, broken stones, anchor cables and air cushions, wherein the hollow tubular pile comprises first-type hollow tubular piles and second-type hollow tubular piles, which are all prefabricated with reinforcement concrete; crossed plates are embedded in an external barrel; water permeating holes are formed in the external barrel in a plum blossom shape; anchor cables penetrate through the hollow tubular piles and the air cushions are covered at the outer side; one first-type hollow tubular pile and many second-type hollow tubular piles are arranged in sequence in the pile holes of a slope body; the tops and the bottoms of the hollow tubular piles are embedded with one another; the hollow tubular pile is filled with the broken stones and a cover plate is arranged on the top; the anchor cables are anchored on the bottom plate and the cover plate through an anchorage device and the air cushions are full of gas. The slide-resistant pile is prefabricated, assembled and formed to be a rigid and flexible body, has high load-bearing capacity, plays a role in well dissipating energy under earthquake condition, has good drainage capacity and prevents soil around the pile from being liquefied; the construction method is simple and quick and the engineering cost is low.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Water-fluctuation zone self-locking wave-dissipation vegetation ecological slope protecting components

The invention relates to a water-fluctuation zone self-locking wave-dissipation vegetation ecological slope protecting components, which consists of two bricks with foursquare as basic shape; wherein,one of the brick is provided with linked grooves at four sides thereof respectively, a cell body is arranged in the middle of the brick, which has an upward heave and a planting hole in the middle, and a counter-arc jettied convex body is mounted on periphery adjoiner of the superface cell body of the brick; the other brick is provided with linked wedge blocks for intercalation with the linked grooves, a cell body is also mounted in the middle of the brick, and counter-arc jettied convex body is arranged on periphery on periphery adjoiner of the superface cell body of the brick; the undersurfaces of the two bricks are provided with wedges to wedge into soil; the cross-sectional shape of the counter-arc jettied convex body is similar to an isosceles trapezoid, while the upper bottom is larger than the lower bottom and the two waists are in the shape of arc. The invention realizes connection between two components of two bricks by using four-side self-locking structure, which features high stability, strong adaptability, good effect of wave dissipation and environmental protection.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Triple cropping late rice ecological ditch transplanting cultivating method based on double cropping rice

The invention discloses a double-cropping rice based ecological ditch transplanting cultivation method for triple-cropping late rice, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch transplanting cultivation method includes the steps of 1), executing ditch engineering in an early rice field; 2), performing water management before harvesting early rice; 3), treating early rice stalks; 4), allowing a chained ditcher to clean ditches and spread out mud; 5), transplanting late rice; 6), performing field management; 7), harvesting the late rice. The double-cropping rice based ecological ditch transplanting cultivation method has the advantages that an arable layer structure of soil is changed; deep application of fertilizer is benefited and utilization rate of the fertilizer is beneficially increased; water content of ditch soil is lowered, soil aeration is improved, and utilization rate of natural precipitation can be improved; no-tillage, no-stubble cleaning, no-straw burning and no-filling and soaking of field water in late rice transplanting are realized, ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced, and pesticide stubble cleaning is omitted.
Owner:HUNAN AGRICULTURAL UNIV

Microemulsion alumina red mud flocculant and preparation method thereof

InactiveCN104528905BFast solid contentFast molecular weightWater/sewage treatment by flocculation/precipitationSodium aluminatePolymer
The invention discloses a microemulsion-type aluminum oxide red mud flocculant and a preparation method thereof and relates to the technical field of polymer materials. The red mud flocculant is prepared by reacting a water phase, an oil phase, a hydroxamic acid agent and a reverse phase agent, wherein the water phase comprises the following components in parts by weight: 75-145 parts of AA, 80-160 parts of ammonia water, 60-125 parts of deionized water, 10-100 parts of AM, 0.5-4.0 parts of ammonium sulfate, 1.0-4.0 parts of sodium pyrophosphate, 0.05-0.75 part of poly-alpha-hydroxy acrylic acid, 0.05-0.25 part of sodium hypophosphite and 0.25-1.0 part of IPP; the oil phase comprises the following components in parts by weight: 90-150 parts of cyclohexane, 5-10 parts of 4-polyglycerol-5-oleate and 1.5-3.5 parts of 6-polyglycerol monooleatel; the hydroxamic acid agent comprises 5-50 parts of hydroxylamine hydrochloride; and the reverse phase agent comprises 10-15 parts of Tween20. The flocculant disclosed by the invention is a reverse-phase microemulsion product which has the advantages of good stability and instant solubility, and when the flocculant is used as the red mud flocculant to be applied in a sodium aluminate solution, the flocculant has the high dispersion speed and the good red mud sedimentation effect is achieved.
Owner:HEBEI BONAIDAN ENVIRONMENTAL PROTECTION TECH

Permeable pavement structure and pavement paving method

The invention discloses a permeable pavement structure and a pavement paving method. The permeable pavement structure comprises a base, a blind road part laid on a top surface of the base and a drainage part located on one side, close to a non-motorized vehicle lane, of the blind road part. The base is provided with a first drainage closed conduit, and a first side drainage port is formed in an outer side wall of the base. The blind road part is formed by paving blind road bricks, and a top surface of the blind road part is provided with a water guide inclined surface for guiding rainwater tothe top surface of the drainage part; the drainage part is composed of drainage brick units, and each drainage brick unit comprises a drainage base and a drainage screen cover; and a drainage groove penetrating through an end surface of the drainage screen cover in the length direction is formed in the bottom of the drainage screen cover, and a plurality of water passing holes connected with the drainage groove are formed in the top surface of the drainage screen cover. The drainage base is provided with a siphon channel used for draining rainwater in the drainage groove into the first drainage closed conduit. The pavement structure has an effect of improving a drainage capacity of the pavement surface of a sidewalk.
Owner:浙江恒昌建设有限公司

Vehicle Pneumatic Tires

A pneumatic vehicle tire of radial construction having a tread with at least one tread band (1) bounded laterally by at least one circumferential groove (2) and circumferentially Circumferential in direction, the tread band is equipped on its circumference with at least one row of lugs (3', 4', 5') having a plurality of lugs (3, 4, 5, 6) extending parallel to each other , 6'), wherein each transverse groove (3, 4, 5, 6) has a groove bottom (9) and two groove walls (10a, 10b) and two connected first and a second groove section (7, 8), which enclose an obtuse angle (α) with respect to the center line of the transverse groove (3, 4, 5, 6) extending in the direction of the groove, wherein the sipe segments (7, 8) are respectively bounded on the outer surface of the tread band by two rectilinearly extending sipe edges (7a, 7b, 8a, 8b), and wherein the first sipe segment (7 ) are connected to the groove edges (8a, 8b) of the second groove section (8). The first sipe section (7) extends at an angle (β) of up to 20° with respect to the axial direction, the second sipe section (8) at an angle of 30° to 50° with respect to the axial direction (γ) extension, wherein in each groove section (7, 8) at each groove wall (10a, 10b) is provided with a bevel forming towards and along the groove wall (10a, 10b) bounding Chamfers (11a, 11b) extending from the groove edges (7a, 8b), wherein the chamfers (11a, 11b) extend along the groove edges (7a, 8b) which are not connected to one another.
Owner:CONTINENTAL REIFEN DEUTSCHLAND GMBH

Double-cropping rice based ecological ditch direct-seeding cultivation method for triple-cropping late rice

The invention discloses a double-cropping rice based ecological ditch direct-seeding cultivation method for triple-cropping late rice, aiming to solve the problem about crop straw returning to field, soil aeration and water and fertilizer coupling. The double-cropping rice based ecological ditch direct-seeding cultivation method includes the steps of 1), executing ditch engineering in an early rice field; 2), performing water management before harvesting early rice; 3), treating early rice stalks; 4), allowing a chained ditcher to clean ditches and spread out mud; 5), directly seeding late rice; 6), performing field management; 7), harvesting the late rice. The double-cropping rice based ecological ditch direct-seeding cultivation method has the advantages that an arable layer structure of soil is changed; deep application of fertilizer is benefited and utilization rate of the fertilizer is beneficially increased; water content of ditch soil is lowered, soil aeration is improved, and utilization rate of natural precipitation can be improved; no-tillage, no-stubble cleaning, no-straw burning and no-filling and soaking of field water of the late rice transplanting are realized, ecological effect is obvious in that operation energy consumption, haze and irrigation water can be reduced, and pesticide stubble cleaning is omitted.
Owner:HUNAN AGRICULTURAL UNIV

Vehicle Pneumatic Tires

The invention relates to a pneumatic vehicle tire, comprising a tread, which has at least one shoulder-side profile rib (1), which is structured in the manner of lugs and extends peripherally in the circumferential direction and in which incision-like transverse grooves (3) extend in the axial direction, which are each composed of three groove segments (3a, 3b, 3c), a middle groove segment (3a), a groove segment (3b) that extends toward the inside of the tread and ends within the profiled rib (1), and a groove segment (3c) that extends toward the outside of the tread and ends outside of the ground contact area. The transverse grooves (3) extend substantially linearly overall, wherein the middle groove segment (3a) extends over at least 60% of the axial extend of the transverse grooves (3) and has a depth (T), which is substantially constant over the extent of the middle groove segment, of 5 mm to 7 mm and, in cross-section, has two groove flanks (5, 6) extending substantially in the radial direction and having a mutual distance of 0.4 mm to 1.2 mm, wherein a bevel (6a) extending at an angle (β) of 30° to 50° to the radial direction adjoins one of the groove flanks (6) near the rib outer surface, wherein the middle groove segment (3a), continuing the border edges thereof present on the rib outer surface, transitions into the groove segment (3c) extending toward the outside of the tread, which groove segment has an end segment (3'c), which has a U-shaped cross-section and a depth (t2) of 1.0 mm to 1.5 mm.
Owner:CONTINENTAL REIFEN DEUTSCHLAND GMBH

Stone material for aprons and installation method

The invention relates to the technical field of engineering construction, and discloses a stone material for aprons and an installation method. The stone material includes an outer wall, the right side of the outer wall is fixedly connected with a stone material body, stone material gaps are formed in the upper surface of the stone material body, a caulking material is arranged between the stone material body and the outer wall, deformation joints located at the backs of the stone material gaps are formed in the upper surface of the stone material body, and an installation plate is arranged above the stone material body. According to the stone material for aprons and the installation method, the structural reliability and safety are high, the general apron design is abandoned, a reinforcedconcrete cushion is arranged, and vertical and horizontal deformation joints are arranged. The position of the cushion and the block deformation joints is the same, it is ensured that the structuraldeformation and settlement of different sections are similar, the block drainage is high, and the structural safety is ensured. The aprons can be adjusted according to the shape and position of the main structure to adapt to the construction needs of various construction sites, the adaptability is high, the construction quality is easier to guarantee, the work efficiency is improved, and the construction progress is sped up.
Owner:MCC TIANGONG GROUP

Reinforced hot melt pile/reinforced gravel pile composite roadbed structure in degenerated permafrost region

The invention discloses a reinforced hot melt pile/reinforced gravel pile composite roadbed structure in a degenerated permafrost region, and relates to a roadbed structure in the degenerated permafrost region, and aims to solve the technical problems that at present, road thaw collapse damage caused by permafrost region frozen soil degradation cannot be effectively controlled, moisture cannot berapidly discharged after frozen soil is thawed, a foundation becomes a soft foundation, the bearing capacity of the foundation is insufficient, and uneven settlement of a road occurs. The multiple reinforced hot melting piles and the multiple reinforced gravel piles are vertically arranged in the permafrost foundation, the upper-layer unfrozen soil foundation and the lower-layer unfrozen soil foundation. According to the novel roadbed structure for the degeneration type high-temperature permafrost region, two different pile bodies, namely the reinforced hot melting pile and the reinforced gravel pile, are used for forming a novel binary pile composite roadbed, the melting effect of heat released by the hot melting pile on frozen soil and the excellent drainage capacity of the gravel pile are combined, and pre-melting of the frozen soil and drainage consolidation of the melted soil can be achieved at the same time.
Owner:HARBIN INST OF TECH
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