71results about How to "Combined dense" patented technology

The construction process of raising the bearing capacity of auger boring pile includes setting two grouting pipes symmetrically beside the side wall of pile hole, setting reinforcing cage and grouting concrete with concrete pumping agent in 1-1.5 wt% of cement, and pressure grouting cement slurry with concrete pumping agent in 1 wt% of cement and concrete expanding agent in 5 wt% of cement in the pumping pressure of 200-300 kg / sq cm in 8-24 hr after filing until cement slurry overflows from the top end beside the pile. The process can raise the bearing capacity of the pile by over 1 time, reduce the length of the pile, save material, lower cost and reduce construction pollution.

A different intensity-level concretes casting method used for the beam-column nodes belongs to the construction technology field. A vertical dense-mesh steel-wire net is arranged around the beam-column node; column concrete cement with the intensity level high than that of the floor concrete is adopted to cast the beam-column node in the steel-wire net while the floor concrete is cast. The invention is simple, can be constructed easily and also can largely enhance the intensity of the beam-column nodes of the floor; the intensity level of the high-intensity wall column concrete is preserved; the intensity level of the high-intensity column-node concrete applied to the horizontal structure beam plate and column nodes is also preserved; the high-intensity concrete is not wasted and the construction joints between the borders of different intensity-level concretes can be avoided; the cold joints can be avoided; the combination is dense; and the construction quality can be guaranteed.

The invention discloses a self-adhesive aluminum plastic compound waterproof antisepsis coiled material that includes self-adhesive non-woven enhancing rub asphalt layer, whose upper layer has aluminum plastic film and the down surface has anti-seizing paper. It has the advantages of excellent effect to avoid water and gas filtering, strong concrete cementation force, strong flexibility, high stretching resistance and high tension stress, etc.

The invention discloses a corrosion-resistant iron tailing aggregate, corrosion-resistant concrete and a preparation method thereof and belongs to the technical field of concrete production. Accordingto the technical scheme, the corrosion-resistant iron tailing aggregate comprises the following components: six graded tailing ores of which the particle sizes are 25-27mm, 18-20mm, 15-17mm, 8-10mm,4-5mm and 2-3mm, wherein the mass percentages of the graded tailings ores are 4-6%, 18-22%, 24-26%, 24-26%, 18-22% and 4-6% respectively. The void fraction of the aggregate can be significantly reduced, the compactness of the iron tailing aggregate is high, and the effect of enhancing the corrosion resistance of the iron tailing aggregate is achieved. The invention further discloses corrosion-resistant concrete which comprises the corrosion-resistant iron tailing aggregate. The corrosion resistance, fall resistance and durability of the concrete can be improved.

The invention discloses a special colored hot-press label of a resin grinding wheel. The special colored hot-press label comprises a black paperboard or a copper printing paper substrate, a bottom layer, a pattered oil layer and a protective layer, wherein the bottom layer, the pattered ink layer and the protective layer are offset-printed on the substrate. Aiming at realizing small color change amplitude after a finished product label and the grinding wheel are sintered and vulcanized together, ink for the pattered ink layer is scientifically prepared from materials, such as polydimethylsiloxane phenolic resin, a chemical corrosion resisting agent, an anti-friction agent, tung oil, organic pigment, and the like, crude ink is modified, the high-temperature softening point of the ink layeris improved, the adhesive film hardness of the surface of the ink layer is increased, and an adhesive film gap on the surface of the ink layer is sealed. The special colored hot-press label has the advantages that: a brand name and various technical data of the grinding wheel are printed with various colors of ink by utilizing the appropriate substrate and then die-cut and formed, and directly hot-pressed on the surface of the substrate in the production process of the grinding wheel, and the grinding wheel is discharged from a furnace after dried in a high-temperature vulcanizing kiln for 30h at 186 DEG C, therefore, the mark of the label is very distinct, not powdered and obscure, and the color change amplitude is less than 10 percent.

The invention relates to a waterproof processing construction method for a framework bridge butt-connecting part. The waterproof processing construction method for the framework bridge butt-connecting part is particularly applied to the process of waterproof processing construction between a new framework and an existing framework bridge butt-connecting part after the new framework is ejected in place. The waterproof processing construction method for the framework bridge butt-connecting part comprises the following steps of removing concrete of an existing framework in a chiseling mode (steel bars are reserved), leveling the chiseled plane part of the existing framework through mortar, laying waterstop bands, erecting a formwork and pouring concrete, ejecting the framework in place, installing waterstop bands, pouring L-shaped groove concrete, cleaning impurities in stretchable seams, injecting waterstop materials, carrying out detachable waterstop band construction, carrying out EVA mortar construction, and laying top plate with waterproof coiling material wrapping outside. The waterproof processing construction method for the framework bridge butt-connecting part resolves the problems that the under water level is high and waterproof construction is difficult in the area, guarantees tight combination between the waterstop bands and an existing concrete surface of the old framework and adopts concrete with high an-seepage level, the concrete is vibrated fully, the tightness of the combination surface of the waterstop bands and the concrete is improved, and the waterproof effect is guaranteed.

The invention discloses a construction method of protective walls of concrete antiskid piles. The method comprises the following steps: according to a demand of a process design, tunneling rock soil and forming concrete antiskid pile grooves at intervals, binding reinforcing steel bars comprising pile body reserved reinforcing steel bars in the concrete antiskid pile grooves, pouring the grooves to form concrete antiskid piles; removing rock soil between adjacent concrete antiskid piles, and embedding prefabricated concrete block bodies manufactured in advance; peeling the pile body reserved reinforcing steel bars for exposing the pile body reserved reinforcing steel bars in certain lengths, and connecting the pile body reserved reinforcing steel bars to the reserved steel bars of the prefabricated concrete block bodies one by one in a binding-welding manner; and in joint regions, vertically arranging template pouring concrete and connecting the concrete antiskid piles to the prefabricated concrete block bodies to form integral wall bodies so as to form continuous retaining wall bodies. The construction method disclosed by the invention can quickly form the protective walls of the concrete antiskid piles in different geological conditions, so that the construction period is shortened, quick formation of the protective walls of the concrete antiskid piles in different geological conditions is ensured, and an intact structure quality effect that the combined walls of the protective walls of the antiskid piles in the concrete structures and surfaces of slope protection are densely combined is realized.

The invention discloses a foamed ceramic insulation board and a preparation method thereof. The foamed ceramic insulation board is prepared from the following raw materials by weight: 35-65 parts of waste glass ceramic powder, 20-30 parts of phosphate tailing, 15-35 parts of kaolin, 5-15 parts of sodium potassium feldspar, 8-16 parts of fly ash, 4-10 parts of calcined talc, 2-10 parts of bentonite, 4-12 parts of silicon powder, 1-6 parts of talcum powder, 3-12 parts of calcium carbonate, 2-10 parts of magnesium carbonate, 5-15 parts of water glass, 1-5 parts of a foaming agent, 0.3-0.8 part of an anionic surfactant, and 0.5-1.5 part of a dispersant. The foamed ceramic insulation board provided by the invention has low thermal conductivity, fire prevention, high temperature resistance, aging resistance, low water absorption, weather resistance and other superior performance, and the preparation method is simple and is easy for implementation, therefore the foamed ceramic insulation board can be widely applied in the fields of construction, electricity and environmental protection, etc.

A ceramic electric heating carrier comprises a heating carrier body, a heating wire is arranged inside the heating carrier body, the two ends of the heating wire are provided with heating wire connectors, the heating carrier body is made of high-temperature ceramic materials, and the heating carrier body is provided with installing holes and heat dissipating holes. A preparing method comprises the steps of preparation of raw materials and gel-casting formation. According to the step of preparation of the raw materials, the formula raw materials are added to a ball grinding machine to be mixed and levigated for 12-14 hours, the raw materials are roasted and synthesized, levigation is carried out for 8-10 hours, and 0.8-1.5% of chitosan is added to the formula materials to be stirred evenly to be a standby after the formula materials are screened through a 160-mesh vibration screen. According to the forming and casting process comprising raw material slurrying and matching, a product mold is placed on a vibration platform to be vibrated for the first time, namely, the mold is taken down from the platform to be paved with the heating wire, the mold is placed on the vibration platform to be poured with a needed amount of slurry, and then the mold is taken down from the platform to stand to be solidified. The ceramic electric heating carrier has the advantages that the carrier body cannot be exploded or oxidized and is even and stable when used for heating in the high-temperature environment, heat transmission is fast, the energy-saving effect is obvious, the mold does not deform, the specification standard is uniform, assembling is convenient, the technology is simple, production efficiency is high, and production cost is greatly reduced.

The invention discloses a production process of fiber concrete. The production process mainly comprises the following processing steps of preparing concrete, putting fibers in and mixing the fibers; processing equipment used during processing of the production process of the fiber concrete comprises a stirring cylinder, a stirring motor is fixed to the outer bottom of the stirring cylinder, a stirring shaft is fixed to an output shaft of the stirring motor, the stirring shaft penetrates through the bottom of the stirring cylinder and extends into the stirring cylinder, and two symmetrically-arranged sleeves are fixed to the circumferential outer wall of the stirring shaft. The production process of the fiber concrete has the advantages that the sleeves are arranged so that stirring bladesare enabled to overturn around the sleeves; and after the stirring motor is started, the stirring shaft drives the stirring blades to rotate and stir, and meanwhile, the stirring blades turn over to stir longitudinally, so that the stirring effect of the concrete is improved, the stirring efficiency is improved, simultaneously, fibers and the concrete are mixed more sufficiently, and the manufacturing quality of the fiber concrete is improved.

The invention discloses a cementitious material precise distribution and dense operation robot which comprises a main body, a running gear, a pipe frame, a material distributing pipe, an extending-retracting mechanism and a vibrator, wherein the running gear is arranged in the main body to drive the entire cementitious material precise distribution and dense operation robot to move; the pipe frameis fixed on the main body; the material distributing pipe is mounted on the pipe frame and extends downwards; the extending-retracting mechanism is arranged on the pipe frame and controls the material distributing pipe to retract or put down relative to the pipe frame; the vibrator is fixed on the material distributing pipe to drive the material distributing pipe to vibrate; a feeding port is further formed in the base; and the cementitious material precise distribution and dense operation robot is further provided with a feeding passage communicating between the feeding port and the materialdistributing pipe. The cementitious material precise distribution and dense operation robot vibrates through changing the pouring manner while pouring to improve the concrete material combining compactness and ensure the quality of a wall component, can automatically finish wall pouring forming to improve the operation automation and liberate labor force, and is suitable for being popularized inthe construction industry.

The invention discloses an automatic pouring and vibrating device for pavement concrete. The automatic pouring and vibrating device comprises a machine body, wherein a power space is formed in the machine body; a stirring space with a leftward opening is formed in the lower side of the power space; the lower side wall of the stirring space is communicated with an irrigation space with a downward opening; a regulating space is arranged on the right side of the irrigation space; a vibrating space with a downward opening is formed in the right side of the regulating space; a driving space is arranged on the right side of the vibrating space; a control point space is arranged on the left side of the driving space; the pouring speed of concrete pouring can be automatically regulated and controlled through the driving moving speed of the machine body so that the concrete pouring uniformity is greatly improved when concrete is poured to a road; meanwhile, vibration is directly conducted afterpouring, compared with traditional pouring vibration, bubbles in concrete are greatly reduced, concrete combination is more compact, the strength of concrete is greatly improved, and the quality of aconcrete component is guaranteed.

The invention relates to a tunnel second-lining concrete chute pouring system. The tunnel second-lining concrete chute pouring system comprises a tunnel second-lining concrete chute system, a rapid closing structure of a lining formwork pouring window and a tunnel second-lining concrete multi-layer synchronous vibrating device. The tunnel second-lining concrete chute system comprises a main hopper, auxiliary hoppers, an inserting plate, a steel formwork, a fixed sling groove, a movable sliding groove, pouring windows, top supports, lifting supporting rods, a track and a tunnel pavement; the rapid closing structure of the lining formwork pouring window comprises the steel formwork, the pouring windows, hinged lug plates, closing plates, hinged bolt holes, fixed bolt holes and rubber sealingrings; and the tunnel second-lining concrete multi-layer synchronous vibrating device comprises the steel formwork, the pouring windows, bottom beams, trolley portals, a power distribution boxes, networking electric wires, attached flat vibrators, and extension platforms. The tunnel second-lining concrete chute pouring system has the beneficial effects that telescopic flow-dividing tumbling barrels and the lifting supporting rods are adopted, the heights of the sliding grooves can be flexibly adjusted to be suitable for pouring windows with different heights.

The invention discloses a reinforcing construction method for a trough plate platform of an operation subway station and belongs to the technical field of reinforcing construction of operation subwaystation structures. The reinforcing construction method comprises the following steps of S1, construction applying and blockage of a track line, S2, construction preparation, S3, hole forming, S4, mounting of steel bars, S5, mounting of steel formworks, S6, stirring of cement foundation grouting materials, S7, pouring of the cement foundation grouting materials and pressurizing of a high funnel, S8, platform surface recovering and S9, applying of construction completion and removing of line blockage. According to the reinforcing construction method for the trough plate platform of the operation subway station, the two holes with the diameter being 90 mm are formed in a trough plate and serve as the pouring hole and the pressurizing hole correspondingly, and not only can the integrity of the overall structure of the trough plate platform and the safety of the operation station be guaranteed, but also the reinforcing construction requirements can be met; the assembled steel formworks areutilized as a part of the reinforcing structure, and convenience and rapidness are achieved; and the reinforcing construction method has the advantages that safety is high, operation is convenient, applicability is high, and manual operation strength is reduced.

The invention discloses a construction method for sowing grass planting by spraying on side slopes in high-altitude areas. The construction method comprises the following steps of (1) paying off; (2)clearing slope surfaces; (3) installing anchor rods; (4) hanging nets; (5) spraying a plant growing medium; (6) curing; (7) accepting project. The construction method disclosed by the invention has the beneficial effects that by vegetation spray-sowing on the side slopes, the phenomena of washout of rainwater on the side slopes and water and soil loss are effectively prevented; due to formed near-earth microclimate, the driving environment of expressways is effectively improved, and the acceleration of the greening and beautifying processes of the environment in surrounding areas can be promoted; the mechanical degree is high, and the construction speed is fast; by stirring and spraying of a spray-sowing machine on materials such as soil, organic fertilizer, water-retaining agents, adhesives, water and the like, the uniformity of grass seeds is high, and after combination with the soil, the compact effect is achieved; after grass grows out, the coverage rate is high, and the grass andiron-wire meshes on the slope surfaces form a whole, so that the resistance to rainwater washout is greatly improved.

The invention discloses a preparation device of a Brillouin sensing intelligent rib, and relates to the technical field of protective doors. Comprising a traction device and a fiber creel, the fiber creel fixes one end of a fiber yarn bundle, the other end of the fiber yarn bundle enters a resin tank through a guide plate, the resin tank merges the fiber yarn bundle and passes through a creel, the creel merges the passing fiber yarn bundle with a sensing optical fiber, and the sensing optical fiber passes through the creel. And the fiber yarn bundle and the sensing optical fiber pass through a combined mold. The device has the advantages that the sensing optical fiber and the fiber yarn bundle are synchronously transmitted, the sensing optical fiber is arranged in the center of the intelligent rib, and the sensing optical fiber and the fiber yarn bundle body of the intelligent rib are compactly combined; an advanced ultraviolet irradiation curing process is adopted, irradiation point positions are sectionally controllable, irradiation light intensity is sectionally adjustable, curing quality and production efficiency are improved, the defect that a previous drying tunnel is too long is overcome, and the whole production line is smoother and more compact.

The invention discloses modified rubber concrete. According to the modified rubber concrete, the weight ratio of cement to water to sand to stone to modified rubber particles is 430:151.7:(593.75-531.25):1160:(13.76-41.3), wherein a preparation method for the modified rubber particles comprises the following steps that (1) rubber particles are soaked in tap water and are taken out 7-10 days later;(2) an accelerator and the cement are uniformly mixed according to the ratio of 1:4; (3) the rubber particles wetted in the step (1) and powder obtained in the step (20 are mixed and stirred until the slump of a mixture is 6-10; and (4) mixture particles obtained in the step (3) are dried and then are maintained in water, and when needed, the mixture particles are taken out and aired until the surfaces of the particles are offwhite. Compared with the strength of standard common concrete, the reduction range of the strength of the modified rubber concrete is decreased, and compared with the strength of standard rubber concrete, the strength of the modified rubber concrete is obviously improved.

The invention discloses a flexible neodymium-iron-boron magnet as well as a preparation method and application thereof. The preparation method of the flexible neodymium-iron-boron magnet comprises thefollowing steps: mixing neodymium-iron-boron magnetic powder, rubber and auxiliary materials; crushing and tabletting the mixed material to obtain a sheet; carrying out heating and magnetic field orientation on the sheet; and calendering, vulcanizing and carrying out surface treatment to obtain the flexible neodymium-iron-boron magnet. Magnetic field orientation is carried out on the high-temperature neodymium-iron-boron sheet by heating the sheet, the magnetic performance of the flexible neodymium-iron-boron magnet can be effectively improved, and the obtained flexible neodymium-iron-boron magnet has good magnetic performance, mechanical performance and corrosion resistance.

The invention discloses a covering curtain. The covering curtain comprises a fiber board, wherein an upper cloth curtain and a lower cloth curtain are respectively laminated and attached to the upper surface and the lower surface of the fiber board, and the fiber board is laminated with the upper cloth curtain and the lower cloth curtain by PE adhesive films. The invention also discloses the covering curtain and a production process of the covering curtain. Due to the structure laminated and attached by the PE adhesive films, the covering curtain is high in firmness and strength, and dense in combination, and quick bonding can be achieved after laminating without cooling, so that the production time is shortened.

The invention discloses a dung scraping plate mold and a dung scraping plate pouring method. The dung scraping plate mold comprises a mold core, a side module, a bottom frame, a vibration plate and anupper forming part. The two sides of the bottom frame are each provided with an elastic moving assembly. A first side mold and a second side mold are hinged to the elastic moving assemblies on the two sides of the bottom frame through two hinges correspondingly. Pouring of a dung scraping plate is conducted through methods including side module adjustment, sealing treatment, pouring, vibration and parting. Flowing constraint is conducted around poured concrete through the upper forming part, the first side mold, the second side mold and the mold core, thus the poured concrete is sized, the vibration plate is further arranged between the mold core and the bottom frame, therefore, the vibration plate can drive the mold core to vibrate during pouring, bubbles in the concrete are removed, thus the concrete is closely combined, honeycomb and scale phenomena of the concrete are eliminated, the bottom frame, the first side mold and the second side mold are connected through the hinges, thereby becoming a whole, and flexibility is high.

The invention provides a building assembly type steel structure building external hanging formwork which comprises a first wallboard. A reinforcing frame is fixed to one side of the first wallboard, asecond wallboard is fixed to the side, away from the first wallboard, of the reinforcing frame, and connecting grooves are formed in the two sides, away from the reinforcing frame, of the first wallboard and the second wallboard, wherein splicing plates are arranged in the connecting grooves. According to the building assembly type steel structure building external hanging formwork, when concreteis poured, a vibrating bar penetrates through vibrating bar inserting holes and a communicating opening to enter the position between the first wallboard and the second wallboard, then the position between the first wallboard and the second wallboard is filled with the concrete, meanwhile, the vibrating bar vibrates, and the vibrating bar drives the concrete to flow, so that the concrete is compactly combined; and through the multiple vibrating bar inserting holes, the vibrating bar can be inserted between the first wallboard and the second wallboard of different layers, bubbles between the concrete are discharged, and the strength of the concrete can be effectively improved.

The invention discloses a novel electric egg mixer. The novel electric egg mixer comprises a shell, a clamping device used for clamping an egg body is arranged in the shell, and the clamping device is connected with a motor used for driving. A circuit board used for controlling is arranged below the motor, the circuit board controls the motor to rotate positively and negatively, and the egg white and the egg yolk of the clamped egg body can be mixed under the action of shear force generated in the positive and negative rotation and conversion process. A containing groove is formed in the lower portion inside the shell, and the motor is mounted in the containing groove. By the adoption of the novel electric egg mixer, egg liquid can be fully mixed conveniently and rapidly under the condition that an eggshell is not broken, the phenomenon that containers are cleaned for mixing the egg liquid is avoided, the phenomenon that the egg liquid is exposed to the air is also avoided, meanwhile, the unshelled egg with the mixed egg liquid can be boiled directly, the egg which is golden in color, smooth in mouthfeel and tight in overall structure can be obtained, and thus a new material is brought to creation of egg product dishes; meanwhile, the phenomenon that children and the aged eat dry egg yolks so that suffocation risks can occur is avoided.

The invention discloses a high-ultraviolet-resistance rubber material which is prepared from the following raw materials in parts by weight: 30-55 parts of ethylene-propylene rubber, 20-40 parts of acrylate rubber, 2-10 parts of chlorosulfonated polyethylene, 2-8 parts of styrene-butadiene rubber, 1-2 parts of tert-butyl peroxide, 1-4 parts of phthalic anhydride, 20-40 parts of titanium dioxide-corn stalk fiber composite, 5-15 parts of cork flour, 45-65 parts of attapulgite, 5-12 parts of allophane, 2-6 parts of sodium illite, 1-6 parts of aluminium borate whisker, 2-4 parts of sodium antimonate, 0.5-2 parts of trimethyl phosphate, 0.2-0.8 part of epoxy fatty acid methyl ester, 0.1-0.6 part of plasticizer DBP, 0.5-1.2 parts of diethylene glycol benzoate, 1-2 parts of zinc stearate, 1-2 parts of poly-p-nitrosobenzene, 0.5-1.5 parts of antioxidant 1010, 0.5-1.5 parts of antioxidant DLTP and 1-2 parts of ultraviolet absorbent UV-531.