3294results about "Mixing operation control apparatus" patented technology

Methods, apparatuses, and system are described herein for dynamic building material modification. An example method includes receiving sensor data from a sensor device that is associated with a first stage of a plurality of stages that form a process for a construction project and that is associated with a first portion of a building material associated with the first stage. The method includes determining one or more characteristics associated with the first portion of the building material and modifying, via a control system, one or more parameters of the building material from which the first portion of the building material is derived based on the one or more determined characteristics.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

The invention provides a flow-state solidified soil mixing construction method based on automatic adjustment of proportioning parameters, belongs to the technical field of flow-state solidified soil, and realizes intelligent control of a flow-state solidified soil mixing process by establishing a three-section type precise screening and stirring system and a high-precision automatic control system. According to the method, firstly, target performance parameters are input, and an optimal matching scheme is automatically selected through a multi-target optimization algorithm; starting an original soil treatment unit to perform soil material dispersion treatment and measuring the physical characteristics of the soil material; adding the raw materials according to the accurate measurement, and fully mixing; when it is detected that the performance of the mixture deviates from a target value, the system automatically triggers a parameter compensation mechanism for adjustment; and meanwhile, a material ratio fluctuation early warning system is established, so that uneven mixture quality caused by starting and stopping of equipment or material conveying delay is avoided, and the technical problem that in the prior art, matching parameters are difficult to accurately regulate and control in real time in the mixing process of the flow-state solidified soil is solved.

The invention relates to the technical field of intelligent manufacturing, and particularly provides an intelligent ultra-high performance concrete preparation system and a control system thereof.The preparation system comprises an environment adaptability adjusting subsystem used for automatically adjusting preparation operation parameters of equipment according to external environment temperature and humidity changes of an ultra-high performance concrete mixture; the dynamic optimization proportioning subsystem is used for sensing real-time states of viscosity, fluidity and the like of the ultra-high performance concrete mixture in the preparation process through a built-in sensor array; adjusting a water-cement ratio and an aggregate proportion according to real-time states of preparation operation parameters, viscosity, fluidity and the like; and the operation energy efficiency management subsystem is used for adjusting the working mode of the equipment according to the preparation operation parameters. The control system comprises an equipment layout assembly, an equipment communication assembly and a program execution assembly. While the quality of the ultra-high performance concrete is ensured, the preparation efficiency and the environmental adaptability are improved, the energy consumption is reduced, and green and intelligent production of the ultra-high performance concrete is realized.

The invention discloses a self-healing concrete intelligent preparation method and system based on a dynamic optimization algorithm. The method comprises the following steps: S1, feeding: feeding materials to a premixing module by a raw material bin and a repairing agent carrier storage bin; s2, premixing: monitoring the water content of the aggregate fed into the raw material bin in real time by a premixing module, and dynamically adjusting the rotating speed of the premixing module through the water content; s3, gradient stirring: after premixing, feeding the materials into a gradient stirring module, and sequentially stirring; s31, firstly entering a low-speed paddle for stirring, monitoring the stirring resistance moment and the slurry viscosity distribution in real time, and dynamically adjusting the rotating speed of the paddle according to the torque-viscosity relationship; s32, performing ultrasonic homogenization on the materials subjected to low-speed stirring, monitoring the dispersity of each substance in low-speed stirring in real time through an identification camera, calculating the concentration gradient, monitoring the particle size distribution of a carrier at a discharge port of an ultrasonic homogenizer to obtain the particle size of a target aggregate, and dynamically adjusting the ultrasonic frequency according to the particle size of the target aggregate to obtain the target aggregate. And dynamically adjusting ultrasonic power and action time according to the concentration gradient.

The invention provides alkaline residue-based fluidized stabilized soil and a preparation method thereof, and belongs to the technical field of comprehensive utilization of solid wastes. The alkaline residue-based fluid solidified soil comprises the following components: alkaline residue, a curing agent, an admixture, water and an additive, wherein the mass ratio of the water to a dry basis is (0.85-1.45): 1; the mass ratio of the additive to the curing agent is (0.001-0.01): 1. The preparation device comprises an alkaline residue slurrying system, a fluid-state solidified soil slurry preparation system, a pumping pouring system and an intelligent control platform, and the operation control problem caused by high water content and large water content fluctuation of alkaline residues can be effectively solved by optimizing the slurrying mode and the technological process.

The utility model belongs to the technical field of concrete stirring equipment, and discloses a concrete stirring and mixing device with an automatic additive adding function, which comprises a rack and a stirring assembly arranged on the rack, the stirring assembly comprises a material storage barrel arranged on the rack; one end of the driving shaft is rotationally connected with the storage barrel, and the free end of the driving shaft penetrates through the top of the storage barrel; the crushing blade is arranged in the storage barrel, and the crushing blade is coaxially and fixedly connected with the driving shaft; the output end of the driving motor is fixedly connected with the driving shaft; according to the scheme, the driving motor drives the driving shaft and the crushing blades to rotate in the material storage barrel, and the shearing force generated by the blades of the crushing blades is utilized to crush and scatter agglomerated dry powder additives, so that the situation that a part of areas are not coagulated for a long time or the overall strength deviation is too large due to uneven dispersion of the retarders agglomerated with damp is avoided; the utility model solves the problem that the concrete additive is affected with damp and agglomerated.

The invention belongs to the technical field of tunnel engineering, and discloses a concrete mixing and spraying device for tunnel construction and a using method of the concrete mixing and spraying device for tunnel construction. The stirring rod part is positioned in the middle of the stirring tank; the scissor lift part is mounted above the stirring rod part; the circumferential surface displacement part is mounted above the scissor lift part and comprises a rail groove rotating disc and a screw rod sliding rail; the concrete spraying pipe grabbing height and angle adjusting part is mounted on a bearing block of the lead screw sliding rail and comprises a rotary arm, a first telescopic mechanism and a concrete spraying pipe grabbing clamp which are sequentially connected from bottom to top; the concrete nozzle grabbing part is installed above the first telescopic mechanism and used for adjusting the angle of a concrete nozzle so as to be aligned with the tunnel slope to conduct concrete spraying. The problems that in tunnel construction, the concrete spraying precision is not high, the concrete stirring efficiency is low, the requirement for labor force of construction operation is large, and the flexibility is low can be solved.

The invention provides a curing agent feeding control method for a nomadic type flow state solidified soil production line, and belongs to the technical field of production control. The curing agent feeding control method comprises the steps that firstly, real-time feeding data of the production line are collected, and a feeding stable component and a feeding fluctuation component are obtained through time sequence singular value decomposition; establishing a fluctuation relation matrix to quantify influence factors, calculating a feeding compensation matrix to perform parameter correction, establishing a preliminary feeding control model by adopting deep learning, generating candidate parameters through Latin hypercube sampling and performing clustering analysis, selecting representative parameters to perform experimental verification, and finally continuously optimizing model parameters by adopting an online learning algorithm. The accurate control of curing agent feeding is realized, so that the quality stability of the solidified soil is ensured, and the technical problem that curing agent feeding parameters of a nomadic type flow state solidified soil production line are difficult to accurately regulate and control in real time in the prior art is solved.

The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be controlled by one or more feedback mechanisms to adjust carbon dioxide delivery based on one or more characteristics of the mix or other aspects of the mixing operation.

The invention provides a concrete production system which comprises a feeding device, a material distributing device, a concrete stirring device and a control device and is characterized in that the concrete stirring device comprises three stirring assemblies, the material distributing device is used for sequentially conveying materials conveyed by the feeding device to each stirring assembly, and the control device is used for controlling the material distributing device to control the stirring assemblies. The control device comprises a concrete process control terminal, a data transceiving network, a server, a remote control terminal and a monitoring device, and the monitoring device is used for detecting the working states of the feeding device and the concrete stirring device; the data transmit-receive network, the server, the remote control terminal and the monitoring device are respectively in information connection with the process control terminal. By arranging the three stirring assemblies, concrete can be stirred in a time-sharing mode, the problem that a system is shut down during discharging and cleaning of a traditional single stirring tank is solved, and the production efficiency of the concrete is greatly improved.

The present invention relates to the technical field of mortar conveying, and in particular to a mortar conveying system, which includes a feed hopper, a feeding pipe connected to the bottom of the feed hopper, and a bracket fixed on the surface of the feed hopper. The system further includes: a auger rotatably connected to the inner wall of the feeding pipe, a support block fixed to the top of the bracket and a support mechanism installed thereon, and a servo motor fixed to the top of the support block. The present invention facilitates the disassembly and cleaning of the conveying pipe by the staff. In addition, this conveying system can not only break and stir the agglomerated mortar, but also reduce the blockage inside the discharge pipe, solving the problem that after the use of some current mortar conveyors, it is inconvenient for the staff to clean the conveying pipe and the auger, thus easily affecting the subsequent conveying efficiency, and solving the problem that when some current mortar conveyors are in use, the agglomerated mortar in the feed hopper that is not transported away in time easily affects the smoothness of the subsequent conveying operation.

The invention relates to the technical field of concrete preparation, in particular to a preparation device and a preparation process of carbon-sequestration premixed concrete, and solves the problems that in the existing preparation process of the carbon-sequestration premixed concrete, carbon dioxide gas is inconvenient to inject into the concrete, so that a pipeline is easily blocked, and the production efficiency is high. And concentration control during carbon self-sequestration of the carbon dioxide gas is inconvenient. The device comprises a fixed carbon preparation mechanism and a split-flow carbon injection mechanism, a stirring driving mechanism is installed on the inner side of the middle of the fixed carbon preparation mechanism, a sealing pressure maintaining mechanism is installed at the upper end of the fixed carbon preparation mechanism, and the split-flow carbon injection mechanism is installed on the inner side of the bottom end of the fixed carbon preparation mechanism; the split-flow carbon injection mechanism comprises a conical separation strip; and the conical separation strip is fixedly connected with the bottom end of the stirring and material placing shell. Carbon dioxide gas is conveyed in a pressurized mode, the pipeline can be effectively prevented from being blocked by concrete, the concentration of the carbon dioxide gas can be conveniently monitored and adjusted, and high efficiency of carbon sequestration is kept.

The invention discloses spatial free distribution micro-scale cage-shaped unit interlocking confined concrete and a preparation method thereof.The preparation method of the spatial free distribution micro-scale cage-shaped unit interlocking confined concrete comprises the steps that a concrete premix, a pouring formwork and a plurality of micro-scale cage-shaped units are prepared; the concrete premix and the multiple micro-scale cage-shaped constraint units are mixed, and pouring is completed in the formwork; and curing and hardening the concrete premix in the pouring template and a concrete reinforcing framework formed by interlocking the plurality of cage-shaped constraint units to obtain the spatial free distribution micro-scale cage-shaped unit interlocking constraint concrete. The cage-shaped constraint units with multiple concrete component scales are doped in the concrete premix, the spatial free distribution micro-scale cage-shaped unit interlocking constraint concrete is prepared, and the mechanical property of a concrete member can be improved.

The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be controlled by one or more feedback mechanisms to adjust carbon dioxide delivery based on one or more characteristics of the mix or other aspects of the mixing operation.

The invention discloses a co-extrusion-molded microporous polyphenyl particle phase change energy storage gradient water stop thermal insulation structural slab, the thermal insulation structural slab sequentially comprises an EVA water stop layer, a strength layer and a thermal insulation layer from outside to inside, the EVA water stop layer is prepared by doping EVA rubber powder and fly ash into cement; the strength layer is made of high-strength cement; the heat preservation layer is made of microporous polystyrene foaming particles, microcapsules containing phase change materials and foaming cement. Through innovative design and material selection, the heat preservation performance of the gradient water stop heat preservation layer structural slab is gradually reduced from inside to outside so as to meet the requirements of different environment temperatures, the highest waterproof performance is provided on the outermost layer of the structure, and the heat preservation performance is gradually reduced inwards so as to reduce condensation of internal moisture; and an efficient, environment-friendly and economical solution is provided for the building industry. The invention solves the problem of balance between thermal insulation performance and fireproof performance of the traditional building thermal insulation material, and improves the problems of insufficient waterproof performance, limited heat energy storage capacity and the like of the traditional material.

The present invention provides a concrete mixing station charging system and method, including temporary charging equipment and two groups of mixing barrels arranged along the lateral direction of the temporary charging equipment; the temporary charging equipment includes: a tank body, a stirring device for stirring concrete is arranged inside the tank body; an air pressure detection device, the air pressure detection device is arranged on the inner wall of the tank body and is used to measure the height of concrete in the tank body by air pressure; a conveying device, the conveying device is arranged at the bottom of the tank body and is used to convey concrete into the tank body; a discharge detection device, the discharge detection device is arranged on the conveying device and is used to monitor whether the concrete discharge is completed. The conveying device is used to realize the transportation and temporary storage of concrete from the two groups of mixing barrels to the tank body, and the stirring device is used to prevent the concrete from solidifying. At the same time, the concrete stored in the tank body can be transported to the mixer truck again through the conveying device.

The invention relates to the technical field of building construction equipment, in particular to a concrete mixing device with movable blades, which comprises a mixing drum, a mixing shaft, a vibrating screen component and an adjusting mixing component, the mixing shaft is arranged in the mixing drum, and the adjusting mixing component is mounted on the mixing shaft through a hinge structure. The angle and the length of the blade can be adjusted by adjusting the stirring assembly; the vibrating screen component is arranged at the top of the stirring barrel and can pretreat raw materials and remove caked impurities; by adjusting the stirring assembly, stirring dead angles can be eliminated, the concrete stirring uniformity is improved, material segregation is reduced, and the stirring efficiency is improved.

The invention relates to the field of flow-state solidified soil, and discloses flow-state solidified soil prepared from construction waste, preparation equipment and a preparation method. The pre-dehydration module is used for controlling the water content of discharged materials to be less than or equal to 14%; the system further comprises a main drying system, an auxiliary material adding device, a water adding device and mixing equipment. The main drying system comprises a high-temperature drying area, a high-temperature buffering area and a heat preservation discharging area which are arranged in the vertical direction, materials treated by the pre-dehydration module are lifted into the high-temperature drying area through lifting equipment, the main drying system comprises at least two sets of material conveying belts, and a plurality of hot air openings are evenly formed in the top of the high-temperature drying area; an inlet of the hot air pipe is communicated with an air cavity heated by a heat source; a recovery channel communicating with the portion, close to the bottom, of the heat preservation discharging area is arranged on one side of the main drying system, and an obliquely-arranged dust baffle is arranged in the recovery channel. According to the invention, the problems of fluctuation of construction waste sources and large change of material moisture content in the prior art are solved.

The invention relates to the technical field of concrete prefabricated part preparation, and discloses assembly type concrete prefabricated part preparation equipment and technology.The assembly type concrete prefabricated part preparation equipment comprises a vertical shaft planetary mixer, a buffer pipe is fixedly connected to one feeding port, and two partition plates are fixedly connected to the inner wall of the buffer pipe in the axial direction; a rotating plate is jointly and rotationally connected between the two partition plates, a plurality of rotating rings are concentrically arranged on the outer side of the rotating plate at equal intervals, and a plurality of push plates are jointly and fixedly connected between every two adjacent rotating rings and between the rotating plate and the adjacent rotating rings. The push plate drives the raw materials to move in the annular channel and is matched with the fixing rod to scatter the caked raw materials, through vibration and rotation of the sieve plate, the raw materials are evenly spread on the sieve plate and further scattered, then the raw materials are scattered into the stirring cylinder, the raw materials are effectively mixed with slurry, and extrusion damage to aggregate due to high-speed rotation of the stirring arm is avoided.

The invention relates to a concrete mix proportion design system based on industrial control, which belongs to the field of industrial process control, and comprises a central controller for online control of a concrete production process, and the controller integrates the following functional modules: a distributed data acquisition module, a dynamic decision module, a data processing module and a data processing module. The prediction module is used for generating a rheological parameter prediction value based on the raw material characteristic data and the environment parameter data; the closed-loop verification module is used for monitoring actual rheological property parameters in the concrete production process and comparing the actual rheological property parameters with a preset target value to generate performance error indexes; and the grading correction execution module is used for adjusting proportioning parameters and starting a compensation device, and updating the self-learning database based on a correction result so as to optimize the prediction model. According to the method, a closed loop from raw material and environment perception to proportion dynamic adjustment is realized, the concrete rheological property is locked in a target interval, and autonomous decision and accurate control of the whole production process are realized.

The invention relates to the technical field of building construction, in particular to a cement material stirring device for building decoration engineering construction, a screening mechanism in the cement material stirring device drives an inclined box and an internal inclined screen to continuously move up and down in a reciprocating manner through a transmission assembly, and dynamic screening of input cement is achieved; qualified powder rapidly penetrates through the screen and enters a subsequent process through the vertical pipe, intercepted agglomerates automatically roll down to a lower outlet under the action of vibration and inclination, the agglomerated cement materials are screened, meanwhile, the smashing mechanism ingeniously obtains power from a driving motor through a rotating shaft, and the smashing efficiency is improved. Crushing cutters distributed on a first rotating rod and a second rotating rod in a staggered mode in the box body are driven by a bevel gear and a gear set to rotate oppositely at a high speed, cakes falling from a lower outlet are thoroughly cut and scattered, the cakes are reduced into fine powder and then collected into a stirring barrel, and the efficiency and quality of raw material preparation before stirring are greatly improved; and the problem of non-uniform slurry caused by cement caking and core hardening is fundamentally avoided.

The invention relates to the technical field of concrete pouring, and discloses a concrete on-site pouring process for building construction, by introducing an intelligent temperature and humidity adjusting system and a water film curing technology, the environmental conditions can be accurately regulated and controlled in the concrete pouring process, and the temperature and humidity of the surface and the interior of concrete can be monitored and dynamically adjusted in real time; therefore, the hardening in the optimal environment is ensured. According to the technology, the cement hydration reaction of the concrete is optimized, temperature difference cracks are reduced, the compressive strength, the crack resistance and the impermeability of the concrete are remarkably improved, and the long-term durability of the concrete is ensured. Compared with a traditional curing method, the intelligent control system replaces manual intervention, the problems of uneven strength and cracks caused by inaccurate temperature and humidity control are solved, and the common defects of uneven cement hydration, poor concrete strength and durability and the like in the prior art are overcome.

Computer-implemented method (30) for calculating an estimate of a parameter characterising concrete (e.g. slump) in a drum (101) of a concrete mixing vehicle (100), comprising the steps of: - receiving (31) a drum speed value indicative of a rotational speed of the drum; - receiving (31) a torque value indicative of a torque required to turn the drum; - providing (32) the drum speed value and torque value as input measurements to a relationship estimator Bayesian filter; - calculating (33) at least one vehicle parameter characterising a relationship between drum speed and torque using the relationship estimator Bayesian filter, wherein the relationship estimator Bayesian filter is configured such that the at least one vehicle parameter comprises a hidden state variable of the relationship estimator Bayesian filter; and - calculating (34) an estimated parameter value by providing the at least one vehicle parameter as an input to a parameter calculation model.

The invention discloses a graded weighing type movable flow-state solidified soil mixer truck, and belongs to the technical field of flow-state solidified soil mixers.The graded weighing type movable flow-state solidified soil mixer truck comprises a mixer truck body, a speed reducer is arranged on the side, facing a truck head, of a mixing box body, and a second supporting frame is arranged below the speed reducer and located on the top face of an L-shaped chassis; the speed reducer is connected with a stirring shaft in an inner cavity of the stirring box through a motor, a first supporting frame is arranged on the side, back on to the vehicle head, of the stirring box and located on the top face of the L-shaped chassis, a front end buffering assembly is arranged between a second supporting frame and a longitudinal vertical plate of the L-shaped chassis, and a tail end buffering assembly is arranged between the first supporting frame and the top face of the tail end of the L-shaped chassis. A first hydraulic damper is connected between the first supporting frame and the stirring box body, and when the stirring vehicle body moves forwards or backwards, raw materials in an inner cavity of the stirring box body tend to be in a stable state under multiple buffering and damping of the front end buffering assembly, the tail end buffering assembly and the first hydraulic damper, so that the stirring box body is buffered and damped.

A concrete mixing plant comprises a mixing cabin, a mixing mechanism and a discharging driving mechanism. The discharging driving mechanism is arranged on the stirring cabin, the stirring mechanism is connected with the discharging driving mechanism, and the stirring mechanism is configured to be driven by the discharging driving mechanism to ascend and descend in the stirring cabin to promote concrete discharging; a discharging pipe is arranged on the bottom wall of the stirring cabin, the stirring mechanism comprises a stirring shaft and an extrusion discharging plate, and the extrusion discharging plate is configured to slide in the discharging pipe so as to push concrete to be discharged; a material receiving and dispersing plate is fixedly arranged on the inner wall of the stirring cabin, discharging grooves are formed in the material receiving and dispersing plate, the discharging grooves are distributed on the material receiving and dispersing plate in a staggered mode, a material dispersing push plate is fixedly arranged on the upper portion of the stirring shaft, and the material dispersing push plate is arranged to be attached to the upper surface of the material receiving and dispersing plate when the stirring shaft is in a descending state. The invention relates to the technical field of concrete production, and provides a concrete mixing plant capable of effectively improving the mixing efficiency and uniformity of concrete raw materials and avoiding blockage of a discharging pipe during discharging.

The invention provides a concrete mixing plant system which comprises an aggregate storage system, the aggregate storage system comprises a plurality of bins separated by partition walls, a plurality of transversely-penetrating box culverts are arranged at the bottoms of the bins, openings communicated with the opposite box culverts are formed in the bottom walls of the bins in an array mode, and discharging weighing hoppers are arranged in the openings; a gallery belt which is coaxial with the box culvert and is positioned below the corresponding discharging weighing hopper is arranged in the box culvert; and a discharging platform which is higher than the bin and lower than the discharging road is arranged on the feeding side of the bin. Through the arrangement of the discharging platform, the material gathering hopper, the material distributing belt and the discharging trolley, the discharging and feeding process is smoother, the material transfer time is shortened, the aggregate storage and conveying efficiency is improved, and therefore the concrete production speed is increased, and meanwhile through a temperature control system, accurate calculation and control, the production efficiency is improved. Production stagnation or adjustment time caused by the temperature problem is reduced, the continuity of the production process is ensured, and the production efficiency of the mixing plant is integrally improved.

The invention discloses a continuous concrete stirring device which comprises a rack and a composite hopper installed on the rack and used for temporarily storing materials, the composite hopper comprises a feeding port in the upper portion and a discharging port in the lower portion, the discharging port extends downwards to form a stock bin B, and a quantitative feeding mechanism is installed in the stock bin B; the lower part of the quantitative feeding mechanism is communicated with a material mixing barrel which is obliquely arranged and is used for stirring and discharging, a stirring mechanism is arranged in the material mixing barrel, the material mixing barrel is also provided with a water supply mechanism which is communicated with the interior of the material mixing barrel, and the water supply mechanism and the quantitative feeding mechanism are electrically connected with a control mechanism which is arranged on the composite hopper. Concrete is stirred in a continuous operation mode of feeding, stirring and discharging, continuous concrete supply can be provided for a construction site, and the problem that an existing batch stirring mode occupies a large site space is solved.

The utility model relates to the technical field of pre-cooling equipment, in particular to a fine aggregate treatment device for concrete production, which comprises a shell and a cooling device, the feeding device is arranged at the upper part of the shell, and fine aggregate is stored in the feeding device; the first rotary driver is arranged on one side of the feeding device; the conveying device is arranged below the feeding device and arranged in the length direction of the shell. The two sides of the transmission device are connected with the first rotary driver and the conveying device correspondingly. The turnover device is arranged on one side of the end part of the conveying device; the sprayer is arranged at the upper part of the conveying device and sprays atomized water vapor on the fine aggregate in the conveying device; the refrigerator is arranged at the upper part of the turnover device and blows cold air to the turnover device; the discharging device is arranged at the end, away from the conveying device, of the overturning device. According to the utility model, the output of the cooled fine aggregate is ensured, and the cooling speed of the fine aggregate is improved at the same time.

The invention relates to a method for calculating optimised concrete formulations and providing process data (PD1; PD2) for controlling system components (214, 215, 216; 221, 222) for the purpose of specifically processing raw materials (RA, RB,...) to form solid fractions (FK1, FK2,...) to be prepared and / or producing concrete (BTN) or concrete products by means of the prepared solid fractions (FK1, FK2,...) and further already prefabricated solid fractions (FK#), wherein the method (100) is designed for the weighted combination of l+m grading curves (SLV1... SLV3; SLP1... SLP8) to form a result grading curve (SLE), wherein the grading curves each represent a grain size distribution of one of the solid fractions (FK1, FK2, FK3...) given or not given, but still to be prepared by processing raw materials (RA, RB...); and wherein the method (100) is designed to match the result grading curves to a predefinable sample grading curve (SLM) which represents a grain size distribution with maximum packing density, as a result of which the optimised result grading curve (SLE) describes an ideal combination of all l+m solid fractions (FK1, FK2,... FK#) and the process data thereof for a sufficiently maximum packing density.