89 results about "Cement cure" patented technology

The invention discloses an ardealite-based flow-state self-compacting roadbed filling material as well as a preparation method and a construction method thereof. The roadbed filling material comprises the following components in percentage by mass: 20-30% of modified ardealite, 15-25% of modified solid waste micro powder, 20-60% of a cement curing agent and 0.5-1.2% of a thickening time control agent, the modified ardealite is obtained by calcining solid waste ardealite at 600-800 DEG C for 2-4 hours; the modified solid waste micro powder is obtained by mixing and grinding slag and steel slag. The solid waste ardealite is modified and combined with the steel slag and the mineral slag to form an ardealite-mineral slag-steel slag ternary synergistic curing system, the rheological property and the early strength of the material are remarkably improved by combining the cement curing agent, and the fluidity and the setting time of the slurry are effectively regulated and controlled through the thickening time control agent; the self-compaction performance and construction efficiency in the construction process are guaranteed, meanwhile, the consumption amount of solid waste ardealite is increased, the cement consumption and carbon emission are reduced, and the self-compaction ardealite concrete can be suitable for construction under complex working conditions such as narrow space or special geological conditions.

The utility model discloses a cement curing box with a water level control function. The cement curing box with the water level control function comprises a curing box body, a floating assembly, a communicating vessel, a humidifier, a box cover assembly, a water level control assembly, an atomization assembly, a cavity, a ventilation pipe and a humidification head. Wherein the floating assemblies and the humidifiers are arranged on the two sides of an inner cavity of the curing box body and are vertically connected with the breather pipes through the communicating vessels, so that water in the water tank can be introduced into the humidifiers, and then the water level of the humidifier water tank of the cement curing box can be fully automatically controlled through the internal water level control assembly; according to the device, water shortage of the humidifier caused by human factors and influence on test results are avoided, meanwhile, water flow entering the device flows into the atomization assembly from the chamber and then is pushed out of the box cover assembly, and meanwhile, water vapor is uniformly sprayed on cement through the breather pipe, so that humidification is more uniform, and the stability of the test is further ensured.

The utility model belongs to municipal engineering technical field, concretely relates to a kind of shallow soft soil subgrade treatment combination structure in narrow site, comprising: replacement boundary line, roadbed replacement base layer, replacement demarcation line, ground line, excavation replacement slope line, cement soil mixing pile solid pile, cement soil mixing pile empty pile, cement solidification area and replacement granular material.Excavation replacement slope line starts from replacement demarcation line, and ends in replacement boundary line;Cement soil mixing pile solid pile is located below the area inside replacement boundary line road, its pile bottom is below replacement demarcation line, and pile top is cut off in excavation replacement slope line;Cement soil mixing pile empty pile is only as the "virtual section" that cement soil mixing pile solid pile body extends upwards;Cement solidification area is the area that replacement boundary line, cement soil mixing pile solid pile bottom and excavation replacement slope line, ground line are enclosed to form.The utility model can reduce the range of slope excavation, reduce the influence of excavation replacement subgrade treatment to surrounding environment and building structures.

The application provides a kind of cement-like solidification characteristics and mineral flavor seaweed mayonnaise and its preparation method, based on the principle of multistage homogenization in cement production, heat treatment and particle grading, porous activated carbon particles prepared by carbonization of brown algae fermentation are graded and matched, combined with ladder type homogenization emulsification process, the cement-like solidification gel characteristics are realized;The activated carbon particles of brown algae are calcined at high temperature to form a multistage pore structure, and form a cement-like mineral flavor in cooperation with black pepper powder, smoked chili powder, clove powder, litsea cubeba powder, catnip powder and garlic powder, etc.The product prepared by the application has unique touch, low-fat characteristics and functional dietary fiber, and is suitable for building theme catering and health food field.

The invention discloses a cement solidification composite pile foundation capable of improving horizontal bearing capacity and a construction method. The cement solidification composite pile foundation capable of improving the horizontal bearing capacity and the construction method can effectively improve the horizontal bearing capacity of a pile foundation. A cement solidification composite pile foundation capable of improving horizontal bearing capacity comprises a prestress high-strength concrete pipe pile. The upper end of the sludge solidification reinforcement body is flush with or close to the sludge surface, the prestressed high-strength concrete pipe pile penetrates through the sludge solidification reinforcement body, the distance between the top surface and the bottom surface of the sludge solidification reinforcement body is 3-10 times of the outer diameter of the high-strength concrete pipe pile, and the lower end of the prestressed high-strength concrete pipe pile is inserted into a soil layer below the sludge solidification reinforcement body.

The invention discloses an efficient drilling process for a coal mine working face bottom plate oil type gas ground horizontal well, which comprises the following steps of: 1, drilling downwards along a working face stratum by using a drill rod, and continuously mixing and extruding cement paste in the drill rod and discharging the cement paste outwards in the process that the drill rod rotates clockwise to drill, so that a cement protection layer is formed on a hole wall; secondly, after drilling is completed, a drill rod is driven to rotate anticlockwise and pulled out upwards, and in the process, the drill rod is heated, cement on the hole wall is dried, and the cement curing process is accelerated; according to the efficient drilling technology for the coal mine working face bottom plate oil type gas ground horizontal well, the hole wall can be coated with cement while drilling is conducted in a stratum, so that the hole wall strength is effectively improved, the hole collapse condition is effectively avoided, and the device can emit heat and effectively improve the cement hardening speed.

This invention discloses a numerical simulation method for the maintenance and construction of semi-flexible pavement based on dual-scale coupling, comprising: determining the dimensions of the milled and repaved section based on the original pavement structure obtained by three-dimensional ground-penetrating radar and falling-weight deflectometer; establishing a finite element model for the original pavement structure; simulating the semi-flexible layer after milling and repaving using discrete element method and coupling it into the finite element model to construct a dual-scale coupled model; performing simulation calculations on the compaction and molding of large-void parent asphalt mixture; conducting simulation derivation of self-leveling cement slurry filling based on the construction process and the dual-scale coupled model; establishing a discrete element numerical model for cement curing to characterize cement curing behavior; and evaluating and guiding the maintenance of the semi-flexible pavement based on the dual-scale coupled model. This invention realizes process control and performance evaluation during the construction period of semi-flexible pavement and guidance for maintenance and repair during service life, making up for the shortcomings of high testing costs and insufficient theoretical data for different construction conditions in semi-flexible pavement.

This application discloses a cement curing box with adjustable shelves, belonging to the technical field of building material curing equipment. It includes a cement curing box and shelves, each shelf consisting of a mounting plate and round rods. Multiple round rods are fixedly connected between every two mounting plates. Each shelf is connected to the cement curing box via an adjustment mechanism and is movably connected to the inner wall of the cement curing box. This application features a novel design and ingenious device. By designing adjustable shelves inside the cement curing box, the shelf height of the corresponding area can be adjusted when storing and retrieving cement test blocks, facilitating the storage and retrieval of cement test blocks. After storing cement test blocks, the shelf height of the corresponding area can be lowered to allow for more shelves to be set up inside the box for storing cement test blocks. Compared to fixed shelves, this solves the problems of only being able to store a small number of test blocks, non-adjustable shelf height, low space utilization, resulting in limited effective placement space for cement test blocks and difficulty in simultaneously curing a large number of cement test blocks.

The present invention discloses a low-cost clinker-free cementitious material and its application, which belongs to the field of building materials. Taking the mass of the clinker-free cementitious material as 100%, it includes the following raw materials in percentage by mass: 20-60% of water-quenched blast furnace slag, 10-40% of garbage incineration bottom ash, 20% of washed garbage incineration fly ash, and the balance is desulfurization gypsum. The low-cost clinker-free cementitious material is used to replace cement solidification stabilization on a large scale in preliminary combination with cementitious filling mining technology, or to provide a low-cost cement-free clinker cementitious material for preparing concrete for the construction industry. The low-cost clinker-free cementitious material provided by the present invention has a simple composition and a high overall economic benefit, improves the recycling rate of washed garbage incineration fly ash and garbage incineration bottom ash, and synergistically recycles washed garbage incineration fly ash and garbage incineration bottom ash that are more difficult to comprehensively utilize.

The application discloses a simulation device and method for evaluating the influence of perforation impact load on cement ring integrity, which comprises the following steps: placing cement slurry into a cement curing experimental device to form a cement ring; performing a perforation impact load experiment on the cement ring by using a simulation perforation impact load device; and detecting the integrity of the cement ring after the perforation impact load experiment is completed. The simulation device can simulate the perforation impact load on the cement ring sealing integrity experiment, the impact load caused by the perforation impact is considered in the simulation device, the influence of the perforation impact load on the cement ring sealing integrity can be truly reflected, and the simulation is not limited to software. By setting double-layer fixed supports and a control inclined angle support, the simulation device can simulate and evaluate the influence of the perforation impact load on the cement ring sealing integrity under different well inclination angles, and the blank of the prior art is made up.

The invention relates to the technical field of landfill hazardous waste treatment, and provides a spraying and soaking device and method for curing waste catalyst heavy metal, which can solve the problem that large blocky and granular catalysts are difficult to cure by traditional cement through a process of spraying lime water and fully contacting and soaking waste in spiral stirring. According to the technology, for waste with toxic leaching (heavy metal and corrosive PH) exceeding the standard, especially for mercury and arsenic type heavy metal which is particularly difficult to treat, the use amount of a curing agent is reduced, the operation cost is reduced, and the treatment efficiency is greatly improved, the invention discloses a spraying and soaking device for curing heavy metal in a waste catalyst. The spraying and soaking device comprises a bearing frame body, a spiral rotating transmission shaft, a medicament box, a spraying and dosing system and a discharging assembly, by means of the technical scheme, the problems that in the prior art, for heavy metal which is particularly difficult to treat mercury and arsenic, the use amount of curing agents is large, the operation cost is high, and the treatment efficiency is low are solved.

This application discloses a density-based mix design method for fluidized solidified soil, comprising: determining the design density of the fluidized solidified soil; determining the water-to-solid ratio of the fluidized solidified soil based on fluidity requirements; determining the cement admixture ratio and curing agent admixture ratio of the fluidized solidified soil based on strength requirements; and obtaining the corresponding dosages of water, cement, curing agent, and wet soil. This application innovatively designs the mix proportion of fluidized solidified soil from a density perspective, effectively ensuring the rationality and accuracy of the density of the prepared fluidized solidified soil. This results in a density lower than that of the silt on the seabed in marine reclamation projects, thereby guaranteeing the construction quality of fluidized solidified soil reclamation projects.

The utility model provides cement test block curing equipment. The cement test block curing equipment comprises a cement curing box main body, a cement curing cavity, a layered storage structure, a rotary placement platform, a hot air input hole and an atomization humidification hole, according to the device, a layered storage structure is adopted to conserve a plurality of cement test blocks at the same time, hot steam is supplied to the cement test blocks on each layer through hot air input holes, water mist is supplied to the cement test blocks on each layer through atomization humidification holes, and the cement test blocks are placed at the upper end of a rotary placement platform on each layer; the cement test block is driven by the rotary placing platform to rotate at a low speed at a uniform speed, so that the distance between each surface of the cement test block and the hot air input hole and the distance between each surface of the cement test block and the atomizing and humidifying hole are periodically changed, and the uniformity of humidity and temperature of each surface of the cement test block is realized on the premise of not additionally arranging the hot air input holes and the atomizing and humidifying holes in multiple surfaces; the influence on the curing effect of the cement test block is avoided.

The invention discloses a red clay flow-state curing agent based on solid waste synergy as well as a preparation method and application thereof, and relates to the technical field of waste application and special soil curing. Two solid waste materials, namely the granulated blast furnace slag and the rice hull ash, are creatively compounded with the cement to form a novel curing system under the synergistic effect, namely, a slag-rice hull ash synergistic mechanism, and stable C-A-S-H gel is generated through active components (SiO2 and Al2O3) of the slag and amorphous SiO2 of the rice hull ash under the excitation of a calcium source, so that the high-strength cement is prepared. Meanwhile, pores of the red clay are filled with rice hull ash particles, a dual-curing mechanism of chemical cementation and physical filling is constructed, the problems that the curing effect is poor due to the fact that the red clay inhibits cement hydration due to an acid environment and the cementation structure is weak are effectively solved, and the strength, durability and water stability of the red clay are remarkably improved; the technical bottleneck of traditional single cement solidification or simple solid waste mixing is broken through.

The invention relates to the technical field of inorganic environment-friendly sealing materials for mining, and discloses a novel inorganic environment-friendly sealing material for mining, which comprises the following raw materials: a component A: cement, a filler, a surfactant, a flame retardant, a foaming agent, a plasticizer, a cement curing agent, dispersible latex powder and water; and the component B comprises an expanding agent, a mixed emulsion, a diluent and water. According to the novel mineral inorganic environment-friendly airtight material, the flame retardant and the dispersible latex powder are added, so that the material has excellent fireproof performance, in a high-temperature environment, a heat-insulating oxygen-isolating layer formed by the flame retardant can effectively prevent fire from spreading, and the fire endurance of the material is further improved due to the structural stability of the material enhanced by the dispersible latex powder; reliable fireproof guarantee is provided for mine safety production; the organic silicon surfactant is added, so that after the material is sprayed on the inner wall of a mine, the surface is clean and tidy, the material can be tightly bonded with the inner wall, the material performance is stable, and in the preparation process, the foaming agent and the plasticizer act synergistically, so that the material is quick in reaction and high in foam expansion.

The utility model discloses a cement curing box which comprises a box body, a gear motor is installed on the rear end face of the box body, a rotating disc is installed at the output end of the gear motor, a plurality of storage baskets are installed in front of the rotating disc, and a refrigerator and a heater are installed on the bottom face in the box body. A temperature sensor and a humidity sensor are installed on the top face in the box body, a water tank is installed on the upper portion of the box body, a liquid inlet hopper penetrates through the upper portion of the water tank through a bearing, a water pump is installed on the side wall of the box body, a connecting pipe is clamped to the input end of the water pump, and one end of the connecting pipe is inserted into the water tank. The output end of the water pump is connected with a spraying pipe in a clamped mode, and one end of the spraying pipe is inserted into the box body. The cement curing box has the advantages that the rotating disc and the storage basket are adopted, the situation that use of a transmission structure is affected by humid air or foreign objects can be avoided, and the use practicability of the cement curing box is improved.

The utility model discloses a cement curing box water adding device which comprises a water storage pond arranged on the right side of an inner cavity of a cement curing box, a valve body is fixedly installed on the top of the right side of an inner cavity of the water storage pond, a valve cover is fixedly installed on the top of the valve body through bolts, and a water control assembly is arranged on the top of the valve cover. The water control assembly comprises a sliding pin penetrating from the valve deck to the inner cavity of the valve deck, and the bottom end of the sliding pin penetrates to the inner cavity of the valve body and is fixedly connected with a sealing plug. Through the arrangement of the water control assembly, the water level in the inner cavity of the water storage pond is detected, water inflow and water stop of the valve body are controlled, meanwhile, the filter cartridge and the sealing cover are used in cooperation, an entering water source is filtered, finally, the water pump and the water spraying pipe are used in cooperation, and a test block in the cement curing box is moisturized; therefore, the purposes of automatically controlling the water supply level, effectively filtering impurities in water and preventing the atomization nozzle from being blocked can be achieved.

The application relates to a binder applied to mine slag adhesion, which comprises the following components: 65-70 parts of mine slag, 8-12 parts of calcium aluminate cement, 3-5 parts of mine powder, 2-3 parts of phosphorus powder, 1.5-2.5 parts of water glass, 0.8-1.2 parts of sodium hydroxide, 0.6-0.8 parts of a retarder, and 2-5 parts of an alkaline additive; the alkaline additive comprises modified calcium hydroxide, sodium silicate and sodium carbonate; the modified calcium hydroxide comprises calcium hydroxide and sodium polyphosphate. The application has the effects of improving the cement solidification and adhesion performance, reducing heavy metal ion seepage, and improving the utilization rate of mine slag.

The present disclosure provides a structure protection sheet comprising a polymer cement cured layer on a side facing a structure; a resin layer on the polymer cement cured layer; and a mesh layer.

The present invention provides a structure protection sheet capable of dramatically reducing a construction period to place protective layers on surfaces of structures such as concrete, protecting the structures for a long time, preventing swelling phenomena caused by water vapor inside the concrete, and preventing a decrease in attachability. The present invention relates to a structure protection sheet including: a polymer cement cured layer on a side facing a structure; and a resin layer on the polymer cement cured layer, the structure protection sheet having a water vapor transmission rate of 10 to 50 g / m2·day.

The invention provides a tritium release rate measuring method. The method comprises the following steps: obtaining a silica gel sample adsorbing water vapor released by a cement solidified body; obtaining background water according to a preset preparation mode; obtaining a mixture according to the silica gel sample and the background water; the mixture is leached, and a mixed leaching solution is obtained; obtaining a blank counting rate and a tritium standard solution counting rate according to the background water and the tritium standard solution; determining the tritium activity concentration in the silica gel sample according to the mixed leaching solution, a preset scintillation solution, the blank counting rate and the tritium standard solution counting rate; determining the leaching rate according to the dry silica gel and the tritium standard solution; and determining the tritium release rate according to the tritium activity concentration in the silica gel sample and the leaching rate. The method can accurately and reliably monitor the release rate of tritium in the cement solidified body, and has the advantages of simple operation, low cost and high working efficiency.

The application discloses a resin transmission metering method and device for cement solidification of resin waste in a nuclear power plant. The resin transmission metering method adjusts the proportion of resin and water in the resin being transmitted in the pipeline by alternately opening a resin transmission control valve and a water transmission control valve, so that the transmission of the resin in the pipeline is more stable. The resin liquid level switch is improved into a tuning fork type material switch, and the process control flow of resin metering operation is modified. Whether to start a resin dehydration process is judged by input signals of a second resin liquid level switch and sensing signals of a height sensor, so that sufficient resin is output into a resin metering tank for dehydration treatment. The resin transmission mode is modified. The resin gravity combing and water injection pipeline flushing mode are used to avoid the extrusion of a screw pump on the resin, so that the resin is prevented from being damaged and blocked on the filter screen, and the reliability of resin transmission and metering is improved.

This invention discloses a method for preparing and applying a lead-zinc tailings-based geopolymer-based eco-friendly soil, belonging to the field of building materials technology. The main components of the eco-friendly soil material of this invention include: 90-95 parts by weight of lead-zinc tailings, 5-20 parts by weight of an activity regulator, 8-15 parts by weight of a composite alkali activator, and 3-8 parts by weight of a water-retaining and air-permeable modifier. The solid-liquid ratio of the solid components to water is 35%-55%. The activity regulator is one of metakaolin, slag, or steel slag; the water-retaining and air-permeable modifier is one of diatomaceous earth, zeolite powder, or straw fiber; and the water glass modulus in the composite alkali activator is 1.2-1.6. Compared with traditional cement-stabilized soil, the eco-friendly soil prepared based on the above components has advantages such as low carbon and environmental protection, low cost, multifunctionality, replicability, and scalability.

The present application relates to a pulling and pushing structure for a sample box of a cement curing box for testing, belonging to the technical field of cement testing. It includes a curing box and a curing rack. A number of pulling grooves are formed on the curing rack, and sample boxes are slidably arranged in a number of the pulling grooves. A handle is installed at one end of each sample box. Two support pulleys are arranged on the side walls of a number of the pulling grooves. Two L-shaped bar frames are symmetrically installed on the outer side of each sample box. The bar frame includes a horizontal part and a vertical part. The bottom of the horizontal part is in movable abutment with the support pulley. A chute is formed on the side of the vertical part away from the sample box, and a slider is slidably connected in the chute. A spring is connected between the slider and the side wall of the chute away from the handle end. A limiting component is arranged on the slider. The present application improves the pulling and pushing structure of the sample box in the cement curing box, avoiding the sample box being easily separated from the curing rack during the pulling and pushing process, thus causing the accidental dropping of the sample box. Moreover, the sample box has elastic buffering when being pulled and pushed, preventing the cement in the sample box from splashing out when the pulling and pushing speed is too fast.

The application provides a cement casing well cementing quality detection method based on a bimodal SH guided wave, and belongs to the technical field of electromagnetic ultrasonic nondestructive testing, and comprises the following steps: a cemented casing simulation test piece is prepared, an excitation transducer and two receiving transducers are arranged on the same horizontal plane in the cemented casing simulation test piece, an attenuation value generated by SH0 and SH1 modal guided waves propagating between the two receiving transducers is obtained, and attenuation curves of cement curing time and SH0 and SH1 modal guided wave attenuation values are respectively established; the attenuation threshold for judging the cementing quality is obtained according to the attenuation curves of SH0 and SH1 modal guided waves; the excitation transducer and the receiving transducer are arranged in the test piece according to the above operation, the attenuation value generated by SH0 and SH1 modal guided waves propagating between the two receiving transducers is obtained, the attenuation value is compared with the attenuation threshold, the cement casing well cementing quality detection is realized, and the problem of cementing quality detection of low-density cement is solved.

A method for setting an anchor pile includes moving a mobile offshore drilling unit (MODU) such that at least one hoist unit in the MODU is disposed over a water bottom location for setting the anchor pile. A hole is drilled through the water bottom for receiving the anchor pile. A drill string and bottom hole assembly (BHA) used to drill the hole are removed. The anchor pile is extended into the hole; Cement is pumped through a cementing string extended from the MODU and through the anchor pile. The cementing string is disconnected from the anchor pile. After the cement is cured, tension is applied from a line or string extended from the MODU to test mooring strength of the anchor pile.

The invention discloses a method for solidifying radionuclide technetium in a solution and application of the method, and belongs to the technical field of spent fuel post-treatment. The curing method comprises the following steps: firstly, acidifying a technetium-containing solution by using nitric acid, then adding the acidified technetium-containing solution into a sodium metaaluminate solution, and reacting under a low-temperature condition to ensure that technetium is covalently bonded with high-activity mu < 1->-OH in a curing product in a form of pertechnetate (TcO4 <->) and is cured in pseudo-boehmite-like mixed crystals with stable crystal structures; the curing method is mild in operation condition and simple in technological process, overcomes the defects that in a traditional cement curing and glass curing method, the size of a cured product is increased, technetium is prone to volatilization and the like, has the advantages of being small in cured product size, high in curing efficiency, low in cost and environmentally friendly, the maximum curing amount can reach 100 mg / g, and the curing method is suitable for industrial production. The method is suitable for treating technetium-containing acidic nucleus waste liquid generated in the spent fuel post-treatment process.

The invention discloses a device for testing permeability and linear shrinkage of a well cementation cement sheath under a heavy oil thermal recovery working condition, and belongs to the field of heavy oil recovery of oil and gas fields. The device comprises a gas injection unit, a cement sheath high-temperature performance test unit and a data acquisition and processing unit. The gas injection unit comprises a gas cylinder, a check valve, a gas heating device and a gas cooling device; the cement sheath high-temperature performance testing unit comprises a center rod, an upper end cover, a baffle, a U-shaped transmission part, a lower end cover and a displacement sensor, an annular space between the center rod and the baffle is a cement curing chamber, the edges of the upper end cover and the lower end cover are provided with protrusions, the bottom of the U-shaped transmission part is attached to the inner wall of the baffle, and the two ends of the U-shaped transmission part penetrate through radial round holes of the baffle; a displacement sensor is arranged between the edge bulges of the upper end cover and the lower end cover; the data collecting and processing unit comprises a thermocouple, a pressure sensor, a flow sensor, a displacement sensor, a data collecting module and a computer. The design of a cement paste system can be optimized, and the well cementation quality is effectively improved.

The utility model discloses a cement curing box for cement strength detection, which comprises a curing box body for curing a cement part A, a box body, a box door hinged with the box body and a supporting plate arranged in the box body, an outer sealing rubber strip is arranged on the inner surface of the box door, and a stabilizing plate is arranged at the corner position of the top of the box door; the limiting mechanism comprises an installation plate installed on the box body, a fixing shaft installed between the opposite surfaces of the installation plate, rebound springs arranged at the two ends of the fixing shaft in a sleeving mode and a rebound piece installed on the fixing shaft, and the rebound piece comprises a rotating arm rotationally connected with the fixing shaft and a blocking rod perpendicular to the rotating arm; the sealing assembly is arranged on the box door; the cement curing box is provided with the design for limiting the box door and avoiding springback of the box door, the stabilizing plate arranged on the box door is blocked by the blocking rod, the situation that a gap exists between the box door and the box body due to springback of the closed box door can be avoided, in addition, an inner sealing rubber strip is additionally arranged, and the sealing performance is further improved.

The invention provides a method for testing uniformity of a barreled radioactive incineration ash cement solidified body, which comprises the following steps: stratified sampling is carried out on the cement solidified body, a sample is cut and polished after sampling, and then the density and compressive strength of all the samples are further detected to obtain the uniformity of the barreled radioactive incineration ash cement solidified body. And calculating the relative standard deviation of the density and compressive strength of the cement solidification body sample, and comparing the relative standard deviation with the index requirement value of the relative standard deviation so as to judge the distribution uniformity of the substances in the cement solidification body. The test method is simple and convenient to operate and scientific and accurate in result, professional detection equipment and professional technicians are not needed, the uniformity of the barreled radioactive incineration ash cement solidified body can be rapidly and effectively judged on the basis of statistics and physics principles, the detection cost is greatly reduced, and the detection efficiency is improved. And a reliable basis is provided for safe disposal of radioactive wastes.