29results about How to "Good fluidity" patented technology

The utility model relates to a spoil liquid solidified soil manufacturing system which comprises a spoil pretreatment system, a slurry stirring system, a curing agent slurry manufacturing system and a mixing and stirring system, the spoil subjected to primary sorting and secondary screening is conveyed into the primary powerful stirring box, the primary powerful stirring box is connected with the secondary fine adjustment stirring box, the secondary fine adjustment stirring box is connected with the mixing and stirring system, the curing agent slurry preparation system is connected with the mixing and stirring system, and the mixing and stirring system is used for mixing and stirring spoil and curing agent slurry. The utility model has the advantages that the prepared spoil liquid solidified soil has good fluidity, can meet the requirement of long-distance transportation, and has the characteristics of self-compaction, early strength, seepage prevention, economy and environmental protection; 2) the prepared spoil liquid solidified soil is low in dry shrinkage rate, good in uniformity and stability, green and environment-friendly, and 3) the preparation process is simple and reliable.

The invention belongs to the technical field of ultra-high performance concrete, and particularly relates to low-shrinkage recycled aggregate ultra-high performance concrete as well as a preparation method and application thereof. The low-shrinkage recycled aggregate ultra-high performance concrete is prepared from the following raw materials in parts by weight: 840 to 860 parts of Portland cement, 140 to 160 parts of silica fume, 320 to 480 parts of natural river sand fine aggregate, 320 to 480 parts of recycled fine aggregate, 400 to 560 parts of natural basalt coarse aggregate, 240 to 400 parts of recycled coarse aggregate, 18 to 22 parts of water reducing agent, 40 to 60 parts of carbon fiber, 140 to 160 parts of steel fiber and 420 to 640 parts of water. The replacement rate of the regenerated fine aggregate for replacing the natural river sand fine aggregate is 40-60%, and the replacement rate of the regenerated coarse aggregate for replacing the natural basalt coarse aggregate is 30-50%. The prepared ultra-high performance concrete is good in fluidity, good in construction performance, low in shrinkage, high in strength and high in durability, the used recycled aggregate can save energy, cyclic utilization of waste is achieved, the method for treating the aggregate saves energy and reduces emission, and the ultra-high performance concrete is suitable for large-scale application and popularization.

The invention belongs to the field of cementing materials for rigid pavement, and relates to an alkali-activated cementing material and a preparation method thereof, and the alkali-activated cementing material comprises the following main components: 160-200 parts of slag, 140-170 parts of garbage ash, 220-260 parts of fly ash, 100-140 parts of sodium silicate, 16-24 parts of NaOH, 140-160 parts of water and 1200-1260 parts of sand. The water-binder ratio of the alkali-activated cementing material is 0.28 to 0.38. The alkali-activated cementing material prepared by the technical scheme of the invention has the characteristics of simple preparation, high early strength, high later strength, fast setting and hardening, good fire resistance, good environmental protection performance and the like, can significantly improve the working performance and durability of a building structure, can realize large-scale recycling of industrial wastes, and has wide application prospects. And environmental pollution caused by engineering construction is reduced.

The utility model is applicable to the technical field of brine exploitation, and provides a deep brine injection and extraction increasing system which comprises a main pipeline, two ends of the main pipeline are respectively connected with a system main water inlet and a system main water outlet, and a water treatment unit, an exhaust device, a pressurizing device and a monitoring device are arranged on the main pipeline. The water treatment unit comprises a filtering device; the filtering device comprises a coarse filtering assembly and a fine filtering assembly; a heating unit and a medicine dissolving unit are respectively arranged on the main pipeline between the water treatment unit and the exhaust device, the heating unit is used for carrying out temperature-controlled heating on the water body, and the medicine dissolving unit is used for carrying out medicine dissolving and uniform mixing on the water body. According to the device, pressurization, salt dissolving and displacement integrated water injection and extraction increasing can be integrally achieved, the brine target resource efficiency can be improved, the extraction difficulty is reduced, and the brine extraction sustainability is enhanced.

The invention discloses a reinforcing steel bar sleeve grouting material for a high-strength micro-expansion fabricated concrete structure. The reinforcing steel bar sleeve grouting material is prepared from the following raw materials in parts by weight: 735 to 795 parts of cement, 15 to 85 parts of silica fume, 80 to 90 parts of lithium slag powder, 9 to 36 parts of magnesium slag powder, 500 to 800 parts of quartz sand, 100 to 400 parts of basalt sand, 9 to 12.6 parts of a water reducing agent, 0.9 to 4.5 parts of a retarder, 0.9 to 4.5 parts of a reinforcing agent, 0.6 to 1.2 parts of a de-foaming agent, 0.6 to 1.2 parts of a suspension stabilizer, 0.1 to 0.3 part of a plastic expanding agent and 45 to 72 parts of a UEA expanding agent. The grouting material disclosed by the invention has the advantages of high strength, micro-expansion, good fluidity, no bleeding, no segregation and the like, and meets the use requirements of an assembled concrete structure.

This invention discloses an early-strength, high-stability road grouting repair material and its preparation, belonging to the field of solid waste utilization and road grouting reinforcement technology. The raw materials of the early-strength, high-stability road grouting repair material of this invention include multi-source solid waste aggregates and a water-reducing agent; the multi-source solid waste aggregates, by mass percentage, include: 6.6 wt% fly ash, 5-15 wt% rapid-hardening sulfoaluminate cement, 64-74 wt% mineral powder, 13.4 wt% desulfurized gypsum, and 1% carbide slag. This invention constructs a quaternary solid waste system of fly ash-desulfurized gypsum-mineral powder-carbide slag, synergistically forming a slurry composite system with rapid-hardening sulfoaluminate cement and a water-reducing agent, and precisely controls the concentration of raw materials. During hydration, this system can generate supporting crystals, which not only provide high early-stage stone strength for the road grouting material, but also, due to its good stability, ensure high stone strength stability in the later stages.

According to the rapidly-solidified waste-based foaming material and the preparation method and application thereof, the rapidly-solidified waste-based foaming material with better early strength, especially better 2h early strength, can be obtained based on a formula system, and the obtained material has good foam hole uniformity. The rapid setting waste-based foaming material is prepared from the following raw materials in parts by mass: 10 to 50 parts of aluminate cement, 10 to 80 parts of high-calcium minerals, 0.01 to 2 parts of a retarder, 0.001 to 2 parts of a water reducing agent, 0.01 to 1 part of a foam stabilizer, 0 to 5 parts of a thickening agent and 0.005 to 15 parts of a foaming agent, wherein the mass content of free calcium oxide in the high-calcium mineral is 2 to 40 weight percent, preferably 5 to 20 weight percent; the mass ratio of the aluminate cement to the high-calcium mineral is (2-5): 1 or 1: (2-8); the retarder is organic acid containing carboxylate radicals.

The present invention relates to the technical field of glue injection in the production of electronic products, and discloses a precise glue injection device dedicated to the production of electronic products, comprising a conveyor frame, a cleaning mechanism is arranged inside the conveyor frame, and a curing mechanism is arranged above the conveyor frame; the cleaning mechanism comprises a conveyor belt, the outer surface of the conveyor belt is slidably connected to the inner wall of the conveyor frame, the inner wall of the conveyor belt is rotatably connected to two rollers, both ends of each roller are rotatably connected to the inner wall of the conveyor frame, a support frame is fixedly installed on the outer surface of the conveyor frame, a support plate is fixedly installed on the back of the support frame, a collection box is fixedly installed on the upper surface of the support plate, a filter plate is slidably connected to the inner wall of the collection box, and an air pump is fixedly installed on the upper surface of the support plate. The precise glue injection device dedicated to the production of electronic products can clean dust and impurities on the surface of electronic products through the air pump, thereby preventing pollutants from affecting the filling effect of glue and the overall performance of the product.

The present invention discloses a waste foam CA mortar grouting material and its preparation method and application, belonging to the technical field of road maintenance and reinforcement materials. The grouting material comprises, by mass, 250 to 300 parts of cationic emulsified asphalt, 300 to 400 parts of cement, 200 to 800 parts of fine sand, 1 to 3 parts of waste foam particles, 180 to 220 parts of water, 3 to 5 parts of water reducer, 0.5 to 1 part of defoamer, and 5 to 10 parts of low thermal conductivity material with a thermal conductivity of 0.01 to 0.07 W / (m·K). The raw materials for preparing the grouting material of the present invention include waste foam particles, which realizes the green application of bulk solid waste materials in road maintenance projects and reduces environmental pressure. The grouting material prepared by the present invention has the characteristics of good fluidity, light weight, low thermal conductivity, high strength, etc., and can be widely used in special engineering parts that need to reduce dead weight, reduce heat transfer, and have sufficient strength and rigidity.

The invention discloses magnesium phosphate maritime work repair mortar and a preparation method thereof. The magnesium phosphate maritime work repair mortar is prepared from magnesium oxide, monopotassium phosphate, calcium lactate, an early strength agent, tributyl phosphate, metakaolin, polyethylene glycol fibers, mixed sand and water. The preparation method comprises the following steps: firstly, mixing tributyl phosphate and water, and stirring to obtain a mixed solution; stirring magnesium oxide, monopotassium phosphate, calcium lactate, an early strength agent, metakaolin and polyvinyl alcohol fibers to obtain mixed powder; then adding the mixed powder into the mixed solution, and stirring to obtain a mixture; and finally, adding the mixed sand into the mixture, and stirring to obtain the magnesium phosphate maritime work repair mortar. The magnesium phosphate maritime work repair mortar disclosed by the invention has the advantages that the setting time is more than or equal to 22min, the fluidity is more than or equal to 190mm, the fluidity is good, the strength stability is good, the bonding strength is high, the penetration resistance is excellent, and the magnesium phosphate maritime work repair mortar has a wide prospect in the application of ocean engineering.

The invention provides an early-strength quick-setting lightweight concrete material as well as a preparation method and application thereof. Based on a formula system, the early-strength quick-setting lightweight concrete material with good early strength, particularly 2h strength, can be provided. The early-strength quick-setting lightweight concrete material is prepared from the following raw materials in parts by mass: 10 to 75 parts of aluminate cement, 15 to 80 parts of high-calcium minerals, 0.01 to 2 parts of a retarder, 0.001 to 2 parts of a water reducing agent, 0.01 to 0.5 part of a thickening agent, 0.01 to 1 part of rubber powder and 0.1 to 5 parts of polystyrene foam aggregate, wherein the content of free calcium oxide in the high-calcium mineral is 2 to 40 weight percent, preferably 5 to 20 weight percent; the mass ratio of the aluminate cement to the high-calcium mineral is 5: (1-40); the retarder is organic acid containing carboxylate radicals.

Disclosed are a compound of formula (I), a stereoisomer, solvate, prodrug, metabolite, pharmaceutically acceptable salt, or eutectic thereof, or a pharmaceutical composition comprising same, and an application thereof as an ATX inhibitor in preparation of a drug for treating a related disease. Groups in formula (I) are as defined in the description.

The invention provides a coal mine underground inorganic nanometer reinforcing material and application thereof, and belongs to the technical field of reinforcing materials. The coal mine underground inorganic nanometer reinforcing material provided by the invention comprises a component A, a component B and a component C, the mass ratio of the component A to the component B to the component C is 1: (0.1-0.5): (0.8-1.2); the component A comprises 60-90 parts of cement, 20-30 parts of fly ash, 1-5 parts of gypsum, 1-5 parts of a chain silicate nano material, 5-10 parts of a wetting agent and 0.5-2 parts of a retarder; the component B comprises 1-5 parts of a graphene oxide / carbon nanotube compound and 2-5 parts of a surfactant; and the component C comprises 10-30 parts of water glass and 5-10 parts of a water reducing agent. The coal mine underground inorganic nanometer reinforcing material provided by the invention has the characteristics of good permeability, high early strength and rapid curing.

The invention discloses repairing equipment and method for a carbon fiber composite material product, and relates to the technical field of composite material product repairing. A shaft rod is rotationally embedded in the middle of the bottom end of a top disc, an elastic head is installed at the bottom end of a threaded rod, and a threaded ring is installed on the outer side of the threaded rod through a thread; a sliding ring is slidably mounted at the position, located at the bottom of the threaded ring, of the outer side of the threaded rod, and the position, located at the bottom of the threaded ring, of the outer side of the threaded rod is slidably provided with the sliding ring. The compatibility and the connection stability among the bonding interface glue spraying and smearing work, the repairing bonding surface polishing and cleaning work and the repairing bonding surface sand blasting and coarsening work are improved, and the smearing uniformity of the bonding interface glue, the coarsening balance of the repairing bonding surface and the cleanliness of the repairing bonding surface are improved; the carbon fiber composite material to be repaired and the carbon fiber cured hard sheet are combined more stably and firmly, and the repairing strength is fully guaranteed.

The utility model relates to the technical field of heat treatment, in particular to a rapid cooling device, which is characterized in that a cooling cabin is arranged in a cabinet, a conveying frame is arranged in the cooling cabin, two groups of symmetrically arranged conveying speed chains are arranged on the conveying frame, an air cooling component comprises a cooling fan arranged on one side of the cooling cabin, and a convection fan arranged in the cooling cabin and opposite to the cooling fan, the exhaust fan is arranged at the top of the cabinet and communicates the interior of the cooling cabin with the outside, a workpiece subjected to heat treatment is cooled through the air cooling assembly in the cooling cabin, the cooling effect on the workpiece is improved, convection can be generated between the convection fan and cold air output into the cooling cabin by the cooling fan, the cold air can be diffused into the whole cooling cabin, and the cooling effect of the workpiece is improved. And the convection fan is provided with a power source, and the air inlet end is arranged in the cooling cabin, so that the flowing speed of air in the cooling cabin can be increased, it is guaranteed that the whole cooling cabin can keep a good cooling effect, and the whole cooling cabin can be filled with cold air.

The invention provides a preparation method of a green and recoverable cable trench backfill material, which comprises the following specific steps: premixing bentonite, limestone powder and a fine sand solid dry material for 3 minutes by using a stirrer to obtain a mixed dry material; mixing water, a water reducing agent and sodium silicate to prepare a mixed solution; mixing the mixed dry material, the mixed solution and high-molecular water-absorbent resin to obtain a mixture A; the preparation method comprises the following steps: adding the raw materials into engineering slurry, adding a proper amount of water according to the water content of the engineering slurry, and mixing to obtain the slurry-shaped backfill material. The initial fluidity of the backfill material prepared from the engineering slurry is larger than or equal to 180 mm, the backfill material has good initial fluidity, and the problems of maintenance difficulty and the like are solved. The cost of the cable trench backfill material is effectively reduced, and the water retention rate of the filler can be improved.

Provided is a method for producing a resin composition for secondary battery electrodes, the method comprising adding a binder resin to a carbon nanotube dispersion liquid which contains carbon nanotubes, a dispersing agent, and a nonaqueous dispersion medium and in which the product (X×Y) of the complex elastic modulus X(Pa) and the phase angle Y(°) at 25°C and 1 Hz obtained by dynamic viscoelastic measurement is 30 to 1,700 and the phase angle is 3° to 90°.

An aspect of the present invention is a thermoplastic elastomer composition including 100 parts by mass of a block copolymer containing a polymer block (X) having an aromatic vinyl compound as a main component and a polymer block (Y) having a conjugated diene compound as a main component, or a hydrogenated product thereof (A); 1 to 400 parts by mass of an ethylene / α-olefin copolymer (B) satisfying the following requirements (b-1) to (b-3); and 0 to 200 parts by mass of a polyolefin-based resin (C) satisfying the following requirement (c-1), (b-1) a kinematic viscosity at 100°C is 5 to 5,000 mm2 / s and a kinematic viscosity at 40°C is 50 to 100,000 mm2 / s, (b-2) a weight-average molecular weight (Mw) determined by gel permeation chromatography (GPC) is 1,000 to 30,000, (b-3) a content ratio of ethylene structural units is 15 to 85 mol%, and (c-1) MFR (230°C and 2.16 kg) is 0.1 to 500 g / 10 min.

The invention relates to the technical field of building materials, in particular to EPS (expandable polystyrene) reinforced foam concrete and a preparation method thereof, and the EPS reinforced foam concrete is prepared from the following raw materials in parts by weight: 50-60 parts of cement, 20-25 parts of water, 0.8-1.2 parts of EPS, 0.8-1.2 parts of foam group, 0.01-0.1 part of rubber powder and 0.4-0.9 part of water reducing agent. Through cooperation of the EPS particles, the foam group, the cement, the water reducing agent and the rubber powder, a light porous structure which takes EPS and closed foam as cores and is extremely low in volume weight is formed, meanwhile, by means of a compact gelling inclusion and a reinforced interface, the material obtains compression resistance and breaking strength far superior to those of conventional foam concrete, shrinkage cracking is effectively inhibited, and the service life of the material is prolonged. The unification of light weight, high strength and toughness is realized.

The invention provides a method for opening a new furnace by using high-silicon molten iron in a 120-ton dry dedusting converter, belongs to the technical field of steel smelting, and solves the problem that the difficulty of opening the new furnace by using the high-silicon molten iron in the existing dry dedusting converter is large. The method comprises the following steps: converter loading: loading molten iron and scrap steel into a 120-ton top-bottom combined blown converter; oxygen supply by the converter: igniting and supplying oxygen after the converter is loaded; the auxiliary materials are added for the first time after ignition, the auxiliary materials are added for the second time, the active lime is added in batches, and then the limestone and the active lime are added in batches; and converter end point control. According to the method, the converter quantity, the scrap steel quantity and the molten iron quantity are reasonably controlled, the complexity and uncertainty in the production process can be reduced, the stable molten pool depth of the converter in the smelting process can be ensured by accurately controlling the charging quantity, and therefore the production efficiency and the product quality are improved, the production cost is reduced, energy consumption is optimized, and the economic benefit is increased. Unnecessary energy consumption and waste generation are reduced, and environmental protection and sustainable development are facilitated.

The utility model provides an anti-bending VC copper sheet, and relates to the technical field of VC copper sheets. The VC etching copper sheet comprises a copper sheet, an upper cavity and a bottom sheet, the upper cavity is formed above the copper sheet, an upper clamping plate corresponding to a clamping opening is fixedly connected to the upper side wall of a support, a lower clamping plate is arranged below the upper clamping plate, and an adjusting screw corresponding to the lower clamping plate is rotationally connected into a containing cavity. In order to solve the problems that a VC copper sheet collapses and liquid in a cavity does not flow smoothly to cause non-uniform cooling, and the collapse problem of a product after vacuum treatment needs to be solved, a plurality of supporting columns are arranged in sequence to guide corrosive liquid in an upper cavity, so that the liquidity of the liquid in the upper cavity is improved, the cooling effect of the copper sheet is improved, and the service life of the product is prolonged. The supporting columns are arranged in the mode that the U-shaped long point shape and the circular shape are combined, and therefore the vacuum collapse abnormity of the product is effectively improved through the cavity design that the U-shaped long point shape and the circular shape supporting columns are combined with the upper cavity.

The present invention provides a resin composition that is excellent in terms of impact resistance, flowability, heat resistance, and chemical resistance and gives molded articles which have a satisfactory appearance and are highly inhibited from making a noise when rubbed against each other. This resin composition is characterized by comprising: 100 parts by weight of a component comprising (A) 45-90 parts by weight of a polycarbonate resin (A component) and (B) 10-55 parts by weight of a copolymer (B component) obtained by polymerizing an aromatic vinyl monomer, a vinyl cyanide monomer, and a diene-based rubbery polymer, (C) 1-10 parts by weight of a graft copolymer (C component) comprising a copolymer obtained by polymerizing an aromatic vinyl monomer and other vinyl monomer(s), as side chains, and an ethylene / vinyl acetate copolymer as a main chain, and (D) 1-10 parts by weight of an isobutylene based block copolymer (D component) obtained by polymerizing one or more monomers including isobutylene as a main component with one or more monomers in which isobutylene is not a main component.

The invention relates to the technical field of separation and extraction of natural products, in particular to a method for supercritical separation and extraction of astaxanthin, which comprises the following steps: (1) weighing raw material components in parts by weight; (2) mixing a biomass raw material rich in astaxanthin with the functionalized deep-eutectic solvent, and performing physical field enhanced extraction to obtain an extracting solution; (3) filtering the extracting solution through a vibrating membrane, and purifying to obtain a trapped fluid containing astaxanthin; and (4) carrying out supercritical CO2 back extraction on the trapped fluid, separating to obtain an astaxanthin product, and recovering the functional eutectic solvent. According to the method, continuous membrane separation and purification under the eutectic solvent system are realized, the purity of astaxanthin and the proportion of all-trans astaxanthin are maintained while the extraction rate of astaxanthin is increased, the solvent can be recycled after being recovered, and the production cost and waste liquid discharge are greatly reduced. All the raw materials are nontoxic and harmless, no organic solvent is used in the technological process, and good application prospects are achieved.

Provided is a resin composition for secondary battery electrodes which contains carbon nanotubes, a dispersing agent, a fluororesin, and a dispersion medium and in which the product (X×Y) of the complex elastic modulus X(Pa) and the phase angle Y(°) at 25°C and 1 Hz obtained by dynamic viscoelastic measurement is 30 to 5,000.

An object of the present invention is to obtain a suitable graft-modified ethylene / α-olefin copolymer as an impact modifier of engineering plastic such as polyamides and to obtain a polyamide composition having further improved impact resistance, particularly, impact resistance at low temperatures, and the present invention relates to a graft-modified ethylene-based polymer (X) formed by graft modification of an ethylene / α-olefin copolymer (A) satisfying requirements (A-i) to (A-iv) below with a polar compound. (A-i) A content of a structural unit (a) derived from ethylene is 51 to 99 mol%, and a content of a structural unit (b) derived from an α-olefin having 5 to 20 carbon atoms is within a range of 1 to 49 mol% [provided that the sum of the structural unit (a) and the structural unit (b) is 100 mol%]. (A-ii) A density is within a range of 0.850 to 0.875 g / cm3. (A-iii) A melt flow rate (MFR) at 190°C and at a load of 2.16 kg is within a range of 0.1 to 25 g / 10 min. (A-iv) A sum of the numbers of a vinyl-type double bond, a vinylidene-type double bond, a disubstituted olefin-type double bond and a trisubstituted olefin-type double bond per 1000 carbon atoms obtained by 1H-NMR is 0.16 to 1.00.

The present invention discloses a viscosity reducer for low water-cement ratio concrete and its application. The viscosity reducer of the present invention is prepared by mixing three components A, B and C in a mass ratio of (50-80): (30-20): (0-20); the component A is selected from any one or more of small molecule diols and small molecule diol derivatives; the component B is selected from any one or two of glycerol and glycerol polyoxyethylene ether derivatives in any proportion; the component C is pentaerythritol polyoxyethylene ether. The structure of the small molecule polyol and its derivative in the viscosity reducer component of the present invention is a low-density, non-ionic and non-adsorptive molecule with a spacing effect, which can be effectively dissolved in the interstitial pore solution, solving the problem that the interstitial water between particles cannot be released under low water-cement ratio, effectively reducing the viscosity of mortar or concrete, and significantly improving the fluidity of mortar, and moderately improving the expansion of concrete.

The present application relates to the field of shield construction materials, and in particular to a shield construction grouting slurry and a preparation method thereof. The shield construction grouting slurry, by mass, includes raw materials such as 20-35 parts of gel material, 70-85 parts of river sand, 20-30 parts of fly ash, 15-20 parts of limestone powder, 5-20 parts of sodium bentonite, 10-25 parts of filler, 4-10 parts of modified additives, 4-6 parts of curing agent, 8-10 parts of accelerator, 0.1-2 parts of water reducer, and 80-110 parts of water. The grouting slurry prepared in the present application has excellent permeability and fluidity, and after being cured, it can obtain good crack resistance, waterproofness, stability and temperature resistance on the basis of ensuring excellent compressive strength, which can solve the problems of insufficient crack resistance, waterproofness and other properties faced by the existing shield grouting slurry, and has good environmental adaptability and excellent application value.

The present invention provides a sophorolipid (SL)-containing composition with excellent handleability and a method for producing the sophorolipid-containing composition. The SL-containing composition according to the present invention includes the following characteristics: (A) the content of lactonic SL being 45 to 81 mass% of the total amount of the SL taken as 100 mass%, and (B) the content of oleic acid-diacetyl lactonic SL being 95 mass% or lower of the total amount of the lactonic SL taken as 100 mass%.

The invention belongs to the field of concrete materials for rigid pavement, and relates to a bridge floor geopolymer concrete material and a preparation method thereof, and the bridge floor geopolymer concrete material comprises the following main components: 140-160 parts of silica fume, 210-230 parts of mineral powder, 80-100 parts of water glass with the modulus of 2.2, 14-18 parts of NaOH, 18-26 parts of MgO, 95-115 parts of water, 185-205 parts of sand with the average particle size of 0.5-1 mm, 107-127 parts of sand with the average particle size of 0.25-0.5 mm, and 68-88 parts of sand with the average particle size of 0.125-0.25 mm. The water-binder comprises, by weight, 354-374 parts of stones with the average particle size of 5-10 mm, 536-556 parts of stones with the average particle size of 10-20 mm and 19-27 parts of polypropylene fibers, and the water-binder ratio is 0.24-0.33. The bridge floor geopolymer concrete prepared by the technical scheme of the invention has the characteristics of high early strength, good flowing property, quicker setting and hardening, better durability, good environmental protection performance and the like, the working performance and durability of the steel-concrete combined bridge floor concrete can be remarkably improved, and the adverse effect of engineering construction on the environment can also be reduced.