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143results about How to "Strong support ability" patented technology

PHC pipe-pile pile-anchor combined support water stop construction method

The present invention relates to a PHC tube pile-anchor combination supporting water-stopping construction method which can effectively settle the problems of no security in the downhole operation, settlement or split of building at the circumference of the building pit, and the damage to the underground conduit and pipeline of the city. The method comprises the steps of firstly preparing a PHC tube pile static pressure supporting pile, measuring and aligning, arranging the piling machine to the position, checking the precast pile, hoisting the precast pile, stabilizing the pile, pressing the pile, pile feeding, then producing a deep mixing pile, clearing the barrier on the ground, positioning the deep-layer mixer, adjusting to horizontal, premixing and subsiding to the reinforcing depth, preparing the cement slurry, spraying and mixing for lifting to the slurry stopping surface, repeatedly mixing for subsiding to the reinforcing depth, injecting the slurry or mixing for lifting to the slurry stopping surface; and lastly preparing soil-nail wall and maintaining the concrete surface. The invention has the advantages of strong supporting capability, broad application sphere, combining the functions of supporting, water stopping and the like, lower fabricating cost, easy and shortcut construction, being safe and reliable, and tremendous economic and social benefit.
Owner:HENAN GUOJI CONSTR GRP +1

Ecological landscape retaining wall

The invention discloses an ecological landscape retaining wall which comprises a frame beam, vegetation growing grooves and a slope surface supporting, retaining and inverse filtering structure. The frame beam is of a frame structure composed of longitudinal beams and cross beams. The slope surface supporting, retaining and inverse filtering structure is arranged on the reverse side of the frame structure, and the vegetation growing grooves are formed in the frame beam and composed of oblique partition plates arranged between the frame beam longitudinal beams and the slope surface supporting,retaining and inverse filtering structure. The vegetation growing grooves are filled with filled earth and provided with drain holes. Ecological landscape plants are planted in the vegetation growinggrooves to green a slope body. The vegetation growing grooves penetrate through the slope surface supporting, retaining and inverse filtering structure to form water and nutrient channels with the slope body, vegetation growth is ensured, and the vegetation survival rate is greatly increased. The bottoms of the vegetation growing grooves are provided with inverse filtering layers and the drain holes, wall back earth body accumulated water is effectively discharged, and the stability of the slope body is improved. The ecological landscape retaining wall has the characteristics that the supporting and retaining capacity is high, the adaptability is high, the landscape effect is good, and the economical benefits are remarkable, and is suitable for slope supporting engineering, hydraulic engineering and ecological landscape engineering.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Environment-friendly type special adhesion primer for nonferrous metal surface

The invention relates to an environment-friendly type special adhesion primer for nonferrous metal surface which is exclusively used for the surface of nonferrous metal, such as stainless steel, aluminum alloy and the like, to serve as the primer. The environment-friendly type special adhesion primer for nonferrous metal surface comprises a component A and a component B, wherein the formula of the component A comprises the following components: 1-20 parts of zinc chrome yellow, 1-5 parts of talcum powder, 2-20 parts of polyvinyl butyral, 5-70 parts of isopropanol and 1-25 parts of butanol; the formula of the component B comprises the following components: 1-30 parts of phosphoric acid, 10-40 parts of purified water and 30-70 parts of isopropanol. A coating is ultrathin and has strong matching property, wide use range, little consumption of unit area and high drying speed; and the thickness of a dry film is only 5-20 microns, and subsequent matching paint can be sprayed after 10-20 minutes. The polyvinyl butyral and the zinc chrome yellow which are innoxious and inodorous are used as main raw materials, the properties of high transparence and superior flexibility and deflection of the polyvinyl butyraldehyde after being dissolved in alcohol solvents and the like are utilized, the adhesion force is increased, the zinc chrome yellow and the phosphoric acid generate a phosphating reaction on the surface of the metal to act as the functions of phosphatization and passivation, the bonding force between the paint and a substrate of the metal is improved, and the environment-friendly type special adhesion primer for nonferrous metal surface has a certain corrosion-prevention function and effect.
Owner:袁泉利

Coal mine underground isolated soft rock mass supporting device used in dynamic pressure environment

The invention discloses a coal mine underground isolated soft rock mass supporting device used in a dynamic pressure environment and relates to a roadway supporting device. The coal mine underground isolated soft rock mass supporting device used in the dynamic pressure environment solves the problem that isolated soft rock mass and roadways are prone to deformation under the influence of mine pressure. According to the coal mine underground isolated soft rock mass supporting device used in the dynamic pressure environment, an isolated soft-rock roadway supporting device is provided with a first anchor net, a first anchor rod, a first U-shaped shed, a first grouting anchor rod and a first anchor cable, a soft-rock roadway intersection supporting device is provided with a second anchor net, a second anchor rod, a second U-shaped shed, a second grouting anchor rod, a second anchor cable and a second anchor cable beam, and a roadway intersection soft rock mass supporting device is provided with a first anchor net, a first anchor rod, a first U-shaped shed, a first grouting anchor rod, a third anchor cable, an I-beam and a first U-shaped shed. The coal mine underground isolated soft rock mass supporting device used in the dynamic pressure environment is simple in structure, convenient to construct and capable of greatly improving the mining resistance of soft rock mass.
Owner:许帮贵 +1

Movable crushing car loader

The invention discloses a movable crushing car loader, and belongs to the technical field of mining equipment. The movable crushing car loader is used for crushing and loading materials of surface mines. The technical scheme includes that the movable crushing car loader comprises a crawler traveling portion, a rotating portion, an operation room and a working portion; and the working portion comprises an undermine cutting device, scraping device, an ore rock conveyor belt, a granularity control barrier, a crusher, a transferring conveyor belt and a hydraulic cylinder, the undermine cutting device is fixed to the front end of the ore rock conveyor belt, the scraping device is positioned above the ore rock conveyor belt, the rear of the ore rock conveyor belt is connected with the crusher, the granularity control barrier is mounted above a joint of the ore rock conveyor and the crusher, a discharge outlet of the crusher is connected with the transferring conveyor belt, and the hydraulic cylinder is connected with the scraping device and the ore rock conveyor belt. Shoveling, crushing and transporting are integrated by the aid of the movable crushing car loader, the movable crushing car loader has the advantages of compact structure, flexibility in operation, high production capacity and low power consumption, the work efficiency can be greatly improved, the productivity of the mines is improved, and the production cost of the surface mines is lowered.
Owner:TIANDI TANGSHAN MINING TECH

Ecological protection system and method for high-intensity frigid mountain road cutting steep slope

The invention discloses an ecological protection system for a high-intensity frigid mountain road cutting steep slope. The ecological protection system comprises a first protection device and a second protection device, wherein the first protection device is arranged in a drainage channel between a roadbed and the slope and composed of a plurality of gabion net cages which are filled with stone and sequentially arranged in the longitudinal extending direction of the drainage channel; and the second protection device is fixedly arranged above the first protection device and composed of a plurality of gabion columns and gabion walls used for connecting every two adjacent gabion columns, and the gabion columns are connected with anchor rods partially inserted into the slope, so that the first protection device and the second protection device are flexibly connected with the slope. The invention further discloses an ecological protection method for the high-intensity frigid mountain road cutting steep slope. The ecological protection system and method provided by the invention are suitable for high-intensity earthquake areas, can restore the weak ecology of frigid mountainous areas, and have the advantages of being good in water permeability, capable of adjusting measures to local conditions, easy and convenient to construct and reasonable in structure system.
Owner:CHINA ROAD & BRIDGE

High anti-corrosive anti-corrosive primer for interpenetration network material and method for preparing same

InactiveCN101338160AGood three-proof performanceStrong temperature resistanceAnti-corrosive paintsPliabilityRosin
The invention discloses a mutually perforating network high anticorrosion primer and a preparation method. Eighteen types of raw materials, such as first tung oil, first rosin, 424<#>, refined castor oil, polyester chips, xylene, cellulose, butyl acetate, aluminum triphosphate, green silicon carbide, various pigments, and the like, are used to result in the IPN stereo chemical structure of a product through technological processes of melting, alcoholysis, esterification, diluting, high speed decomposition, sand milling, filtration, etc. The deficiency that the anticorrosion performance of the present primer is not ideal is overcome. Specific high anticorrosion performance is provided. A coated film is provided with no changes after being immersed in 30 percent of phosphoric acid solution, 5 percent of salt water and xylene solution for 10000h. Permanently applied to the environment of under 200 DEG C, the primer is characterized in that the flexibility is smaller than 1mm, the hardness reaches to 3H, the surface adhesion reaches to 1 grade and the positive and reverse impact strength is 50kg.cm. With large expansion application value and considerable social and economical benefits, the primer can be used together with various topcoats and can be directly added with special thinner to be used for the construction.
Owner:梁文华

Rib plate type retaining wall and construction method thereof

The invention provides a rib plate type retaining wall and a construction method thereof. The retaining wall comprises a foundation, a wall panel on the foundation and drain holes in the wall panel. The retaining wall is structurally characterized in that vertical rib plates are fixedly connected to the soil adjacent face of the wall panel at equal intervals, and an inverter filter is arranged at the portion, between the rib plates, of the soil adjacent face of the wall panel. The construction method of the retaining wall includes the steps that a, vertical grooves matched with the rib plates are dug in slope soil mass; b, rib plate rebars are bound into the vertical grooves in the step a, connecting rebars connected with the wall panel are reserved, and concrete is poured into the vertical grooves to form the rib plates; c, the foundation is constructed; d, wall panel rebars are bound to the foundation, the wall panel rebars and the connecting rebars are connected, a wall panel formwork is erected, drain hole pipes are embedded, and concrete is poured into the wall panel formwork to form the wall panel; e, the inverted filter is laid at the portion, between the rib plates, of the soil adjacent face of the wall panel, and soil mass is backfilled between the inverted layer and a slope and compacted till the wall top. The retaining wall is suitable for supporting and retaining steep slopes or embankment sections or cutting steep slope sections, and is low in construction cost and easy to popularize.
Owner:SOUTHWEST JIAOTONG UNIV

Composite retaining structure suitable for deep tunnel of clastic schist layer and construction method thereof

The invention discloses a composite retaining structure suitable for a deep tunnel of a clastic schist layer and a construction method thereof. The composite retaining structure comprises a forepoling, a tunnel steel arch and a shotcreting mesh combined support, wherein the forepoling comprises a plurality of tunnel face fiber anchor rods which are perpendicularly driven on a tunnel face, multiplesections of advanced small guide pipe supports and a grouting reinforcement area, the plurality of tunnel face fiber anchor rods completely cover the tunnel face, each section of the advanced small guide pipe support is composed of a plurality of advanced small guide pipes, the overlapping length of each section of the advanced small guide pipe support is not less than 1 m or 1 / 4 L of the guide pipes in the tunnel excavation direction, each section of the advanced small guide pipe support, i.e. the plurality of advanced small guide pipes, is driven on the arch of the tunnel face within the range of 120 degrees, and the grouting reinforcement area is formed in a way that the tunnel face fiber anchor rods and tunnel face surrounding rocks in an area in which the advanced small guide pipes are arranged are grouted. According to the composite retaining structure, the stable tunnel face is effectively guaranteed, the collapse of an excavation face is prevented, the deformation of the support is effectively controlled, the safety in construction is guaranteed, and the construction efficiency is improved.
Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD +2

Construction technology of cantilever piling and supporting structure combined with sloping

ActiveCN103758132AImprove integrityEarth pressure resistanceExcavationsShotcreteEngineering
The invention relates to a construction technical of a cantilever piling and supporting structure combined with sloping. Different from others, the construction technology includes: a), subjecting the pile location of mixing piles to surveying and lining, drilling downwards guniting, promoting mixing of the guniting, drilling downwards once again for mixing of the guniting, repeatedly promoting mixing of the guniting, and displacing a drilling machine; b), subjecting the pile location of supporting piles to surveying and lining, opening a hole in the supporting pile, lifting up a pile casing into the hole, retesting the hole location, well burying the pile casing, mechanically surveying and lining the hole location, forming the hole, placing a reinforcement cage into the pile hole, pouring concrete upwards from the hole bottom, and allowing the elevation of the pile top reach designed elevation of the pile top; c), performing slope excavation, paving steel bar meshes on a slope surface, and spraying concrete on the slope top and the slope surface; d), sorting out pile heads of the supporting piles, setting aside supporting pile steel bars to be anchored into top beams, erecting frameworks and pouring the concrete on the supporting piles to manufacture the top beams and contacting beams, performing stratified excavation on earthwork, and constructing support among the piles. The supporting structure high in integrity is formed, construction is facilitated, and construction speed is high.
Owner:HUBEI CENT SOUTH EXPLORATION & FOUND ENG

Construction method of loess tunnel entrance section through landslide mass

The invention discloses a construction method of a loess tunnel entrance section through a landslide mass. The method comprises the following steps that 1, an entrance soil layer is pre-reinforced; 2,a tunnel entrance is constructed; 3, excavation and initial support construction is conducted on the reinforced tunnel section; 4, a reinforced tunnel section base is reinforced; 5, the reinforced tunnel section is subjected to secondary lining construction; 6, excavation and initial support construction is conducted on a rear side tunnel section; and 7, the rear side tunnel section is subjectedto secondary lining construction. The method is reasonable in design, simple and convenient to construct and good in use effect, cement-soil mixed piles are adopted for pre-reinforcement before excavation, a construction process of the tunnel entrance section through the landslide mass is guaranteed to be safe and reliable, meanwhile, the tunnel entrance section is excavated by adopting a three-step excavation method, the reinforced tunnel section base is reinforced, an excavation process of the tunnel entrance section through the landslide mass can be guaranteed to be safe and reliable, in addition, the influence on the stability of a soil layer on the circumferential side of the tunnel entrance is small, and the stability of the excavated and formed tunnel entrance can be effectively improved.
Owner:CHINA RAILWAY 20 BUREAU GRP

Zero-speed seed dropping mechanism

The invention discloses a zero-speed dropping mechanism, and belongs to the technical field of agricultural machinery. An inserting driving shaft is rotationally arranged in a fixed shaft sleeve, an eccentric disk is fixedly arranged on the outer part of the fixed shaft sleeve, the eccentric disc assembles a driven wheel disc through a bearing, a driving wheel disc is fixedly arranged on one side end part of the driving shaft and the driving wheel disc is coaxial with the driving shaft, an upper eccentric shaft and a lower eccentric shaft are rotationally plugged in the driven wheel disc and the driving wheel disc respectively in a matched mode so that a seed dropping tube can be assembled on a position between the driven wheel disc and the driving wheel disc, a pin roll of a suited torsion return spring is arranged on the lower eccentric shaft, a seed dropping control gate is swingingly arranged on the pin roll in a sleeving mode, and a seed dropping control baffle is assembled on the inner side wall of the driving wheel disc; the zero-speed dropping mechanism is low in seed dropping position, a seed dropping position is perpendicular to the ground all the time, and can achieve a zero-speed dropping operation; meanwhile, the zero-speed dropping mechanism has the advantages of being original in structure, good in operation quality, reliable to use, high in universality degree and strong in assorting ability.
Owner:JILIN UNIV

Through landslide body loess tunnel construction method

The invention discloses a through landslide body loess tunnel construction method. The through landslide body loess tunnel construction method comprises the following steps of constructing a tunnel entrance section and a tunnel exit section simultaneously; and respectively constructing an inclined shaft auxiliary construction inlet section and an inclined shaft auxiliary construction outlet section through a tunnel inclined shaft when the tunnel entrance section and the tunnel exit section are constructed. The through landslide body loess tunnel construction method is reasonable in design, convenient to construct and good in using effect; the loess strata in the construction area where the tunnel entrance section is positioned is subjected to reinforcement treatment by using a cement soilmixing pile in advance before excavation, and the reinforcement length and the reinforcement depth are effectively limited; a loose soil body on a hole body of a tunnel hole is solidified in advance so as to ensure the safety and reliability of the construction process of a hole inlet section of the through landslide body loess tunnel; meanwhile, in the construction process of the tunnel by adopting a three-step excavation method, the construction process of track plates is completed synchronously, so that the construction process of the loess tunnel can be completed easily, conveniently and quickly; and the stability of an excavated and formed tunnel hole can be effectively improved.
Owner:CHINA RAILWAY 20 BUREAU GRP

Resistance-increasing yielding large-deformation anchor rod and construction method thereof

The invention discloses a resistance-increasing yielding large-deformation anchor rod and a construction method thereof. The resistance-increasing yielding large-deformation anchor rod is composed of deformation springs, anchoring rods, fixing balls and connecting sleeve barrels; high-strength extension springs are adopted as the deformation springs, solid metal rod bodies are adopted as the anchoring rods, hollow elliptical metal ball bodies are adopted as the fixing balls, and each fixing ball is provided with connectors with outer threads; the deformation springs and the corresponding anchoring rod are sequentially connected between two corresponding fixing balls through the corresponding connecting sleeve barrels with inner threads to form a structure unit of the resistance-increasing yielding large-deformation anchor rod; a plurality of the structure units are assembled according to the anchoring depth or length, and the end of the outermost structure unit is further connected with one anchoring rod segment for allowing a tray and a nut of the anchor rod to be installed, and then the resistance-increasing yielding large-deformation anchor rod is formed. The resistance-increasing yielding large-deformation anchor rod can be tensioned to deform when surrounding rock generates large deformation, the resistance is steadily increased simultaneously, and therefore the stability of the surrounding rock is effectively kept.
Owner:SHANDONG UNIV OF SCI & TECH +1

Design scheme of intelligent locking apparatus for center control lock

The present invention discloses a design scheme of an intelligent locking apparatus for a center control lock and belongs to the technical field of automotive electrical appliances. The intelligent locking apparatus comprises display circuits, basic automobile doorframe units, input system units, an automatic input identification circuit unit, a restoration identification correction circuit unit, an input locking unit, a releasing and unlocking circuit unit, an execution control circuit unit, a power supply intelligent management circuit unit and a battery power supply. One input system unit is mounted in each basic automobile doorframe unit; each input system unit comprises an automation detection circuit unit, an integrated input circuit unit and an OR gate opening circuit. According to the design scheme, the automotive center control lock in an automobile is automatically locked after the automobile door closing process is finished; an alarm is automatically put into the apparatus; the scheme is also capable of automatically detecting operation states of important parts of the apparatus in the automobile door closing process, automatically detecting fault parts in cases of faults, displaying results of the state content of the detected faults, automatically correcting the faults in a certain time and ensuring safety of the automobile.
Owner:CHONGQING NINGLAI SCI & TRADE
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