37 results about "Ready-mix concrete" patented technology

Apparatus for real time water content and water cement monitoring on a ready-mix concrete truck includes at least one real time moisture measurement module or sensor configured tosense continuous real time moisture measurements of a batch of wet cement loaded into a rotating drum of a ready-mix concrete truck; andprovide signaling containing information about the continuous real time moisture measurements sensed.The apparatus may include either a hatch door of the rotating drum of the ready-mix concrete truck, or the rotating drum of the ready-mix concrete truck, or the ready-mix concrete truck itself.

The invention discloses a concrete working performance monitoring method and system based on coarse aggregate slurry wrapping state recognition, and relates to a method and system for monitoring the working performance of premixed concrete based on machine vision and machine learning. The invention discloses a concrete working performance monitoring method based on coarse aggregate slurry wrapping state recognition. The concrete working performance monitoring method comprises the following steps: acquiring a video stream in a stirring process through an image acquisition device arranged in a concrete stirrer; extracting a key frame from the video stream, and identifying coarse aggregate particles in the key frame; calculating characteristic parameters reflecting the wrapping state of the slurry on the surfaces of the coarse aggregate particles; inputting the characteristic parameters into a pre-trained concrete working performance evaluation model to obtain a working performance evaluation result; and outputting the evaluation result. According to the method, direct and quantitative on-line monitoring of the microstructure state of the concrete in the stirring process is achieved, a more essential and more accurate quality evaluation means is provided by revealing the internal relation between the slurry wrapping state and the working performance, and the lagging, indirect and macroscopic defects of a traditional method are overcome.

The utility model relates to the technical field of concrete processing, and particularly discloses a premixed concrete coarse impurity filtering device which comprises a shell, the shell is of a cylinder structure in the horizontal direction, the interior of the shell is hollow, a feeding pipe is arranged on the surface of one side of the shell in a penetrating mode, and a valve is arranged in the feeding pipe. A discharging pipe is arranged on the lower surface of the shell in a penetrating mode, and a valve is arranged in the discharging pipe. According to the pre-mixed concrete coarse impurity filtering device, the rotating filtering cylinder is arranged in the shell, after pre-mixed concrete is introduced into the filtering cylinder, the rotating filtering cylinder conducts centrifugal filtering on the pre-mixed concrete, and therefore impurities in the pre-mixed concrete are more efficiently filtered, and the impurities in the pre-mixed concrete are filtered out under the effect of centrifugal force; the filter holes are uniformly distributed on the surface of the filter cartridge and fully contacted with the filter holes, so that the filtering speed is increased.

The purposed of this invention is to creating a concrete mixing bucket install on a height tower. To release ready-mixed concrete to more quantity enough to one mixer truck / round of the cement mixer truck to transport another step. With the crater to fill the material to the top of bucket and released at the bottom of the middle bucket while the bucket are rotating and stop rotating. That can be mix concrete in larger quantities sufficient for mixing per 1 round of transport mixer truck. To reduce the working time per mixing cycle per release cycle. This will increase speed of working bring to save time and costs.

The utility model belongs to concrete mixing drum technical field, concretely is a kind of pre-mixed concrete mixing drum device with cleaning structure, including bottom plate;The top of bottom plate is fixedly installed with support, the inner wall of support is fixedly installed with mixing jar body, the bottom of mixing jar body is fixedly installed with discharge gate, the top of mixing jar body is provided with feeding mechanism, the inner wall of mixing jar body is provided with driving assembly;The surface of driving rod is provided with stirring assembly, the surface of driving rod is provided with agitating assembly;The inner wall of mixing jar body is provided with cleaning assembly, the top of mixing jar body inner wall is provided with water spraying mechanism;Through the setting of annular hopper, cross link and protective shell, annular hopper can be conveniently used to pour material into the inside of mixing jar body, meanwhile, the special shape of annular hopper can enable user to pour material from any angle.

To provide a ready-mixed concrete order support device, a program, and a ready-mixed concrete order support method capable of providing accurate information to an orderer.SOLUTION: A ready-mixed concrete ordering support device (10) includes an acquisition unit (131) configured to acquire past travel record data including a position and a travel time of a transport vehicle that transports ready-mixed concrete from a shipping factory, and map information, a generation unit (132) configured to generate an isochrone chart from the shipping factory based on the map information and the travel record data, and an output unit (133) configured to output the isochrone chart so that an orderer of the ready-mixed concrete can use the isochrone chart.SELECTED DRAWING: Figure 1

Highly fluid ready-mix concrete seeps into the gap between the sponge mold and the slab bottom (formwork), causing the sponge mold to lift. Furthermore, labor costs are currently incurred for chipping away the concrete that leaks out after it has hardened. [Solution] By using the present invention product instead of the conventionally installed rafters, it is possible to prevent the intrusion of fresh concrete into the slab bottom (formwork) and the bottom of the sponge mold, thereby preventing the sponge mold from floating. Previously, rafters were lined up to secure the pouring height (slab height) of the fresh concrete, but by using the present invention product, the pouring height of the fresh concrete can be secured, and because it adheres closely to the slab bottom (formwork), it is possible to prevent the sponge mold from floating. This eliminates the need to hire specialized contractors and leads to a reduction in unexpected labor costs due to chipping work after pouring, making it economical. Furthermore, since rafters are not required, it is characterized by a reduction in building material costs, a reduction in industrial waste, and a significant reduction in time, cost, and labor costs.

A method for designing mix proportions of high-slump ready-mixed concrete for roads based on fillability is disclosed, relating to the field of road construction. This method involves determining the permissible values ​​of concrete spread and slump time in an inverted slump cone; conducting trial mix design for the concrete pavement; calculating the standard values ​​of concrete spread and slump time in an inverted slump cone respectively; calculating temperature correction coefficients and transport time correction coefficients and adjusting the standard values ​​of spread and slump time in an inverted slump cone to obtain design values; and determining whether the design values ​​of concrete spread and slump time in an inverted slump cone simultaneously meet the permissible values ​​of both. This method can predict and ensure that the fillability of the prepared concrete meets construction requirements during the concrete mix design stage, thereby guaranteeing concrete quality.

The utility model relates to a concrete premixing device, which belongs to the technical field of concrete premixing devices and comprises a base, a fixing plate and a premixing barrel body, a support frame is arranged on the right side of the upper surface of the base, and support blocks are arranged on the front side and the rear side of the upper surface of the fixing plate. According to the concrete pre-mixing device, the pre-mixing barrel body is driven to rotate in the fixing ring, concrete materials in the pre-mixing barrel body can be evenly mixed, after mixing is finished, a first electric push rod is started to drive the pre-mixing barrel body to turn over rightwards, then a second electric push rod is started, and the concrete materials in the pre-mixing barrel body are uniformly mixed. A second electric push rod drives a sealing cover to turn leftwards, stirred concrete is poured out through an opening in the right side of a conical shell, and during pouring out, a first motor rotates to drive scraping frames on the upper side and the lower side to rotate, so that the concrete attached to the inner circumferential wall of the premixing barrel body can be scraped away; and concrete attached to the inner circumferential wall of the premixing barrel can be conveniently cleaned.

The present invention relates to a new building material 3D printing method for the production of printable building materials (CM2S) as premixed concrete or mortar containing water, binders, sand, small and medium size aggregates and various additives, and to the transportation of the printable building materials (CM2S) to a worksite equipped with 3D printing (6, 8) in order to place the printable building materials (CM2S).

The invention discloses a PHC pipe pile energy-saving maintenance method based on reasonable utilization of waste heat and waste steam, and relates to the technical field of pipe pile maintenance. The pre-mixed concrete is made into a PHC pipe pile semi-finished product, and standing treatment is conducted; waste heat in the high-pressure kettle is collected, an optimal conveying path is established, the waste heat is conveyed into a curing pool, and hot water curing is conducted on the PHC pipe pile semi-finished product in the curing pool; the humidity and temperature distribution condition of concrete in the curing process is simulated to construct a heat-humidity coupling model, and the heat-humidity coupling model is connected with a PHC pipe pile mold to judge the curing effect; if the judgment result meets the standard, continuing to execute the next step, and if the judgment result does not meet the standard, continuing to maintain; and the PHC pipe pile semi-finished product meeting the standard is put into a high-pressure kettle to be subjected to high-temperature steam curing, and a PHC pipe pile finished product is obtained. Hot water curing is conducted on the PHC pipe pile semi-finished product through waste heat, and waste heat resources are effectively utilized.

To provide a novel method for producing calcium carbonate from carbide sludge, most of which has conventionally been discarded, which does not decrease fluidity of ready-mixed concrete when mixed with the ready-mixed concrete and does not decrease strength of a hardened product.SOLUTION: A method for producing calcium carbonate includes: a classification step of classifying carbide sludge containing calcium hydroxide and hydrophobic impurities and removing the hydrophobic impurities; an adjustment step of adjusting a solid content concentration of the carbide sludge from which the hydrophobic impurities have been removed in the classification step; and a carbon dioxide introduction step of introducing carbon dioxide into the carbide sludge from which the hydrophobic impurities have been removed in the classification step and whose solid content concentration has been adjusted in the adjustment step.SELECTED DRAWING: Figure 1

The invention relates to a sulphoaluminate cement concrete construction method based on in-situ thermal excitation, which comprises the following steps: preparing premixed concrete: taking sulphoaluminate cement as a cementing material, and mixing a retarder for premixing to prepare the premixed concrete with plasticity retention time not less than 2 hours; transportation and in-place: transporting the prepared premixed concrete to a construction site, and preparing for pumping and pouring; performing on-site thermal excitation: before the premixed concrete is about to be pumped and poured, integrally heating the premixed concrete in a manner of introducing low-pressure steam to enable the temperature of the premixed concrete to rise to an excitation temperature range of 24-26 DEG C; and after thermal excitation is completed, concrete is pumped and poured to the construction part within 10 min. The invention innovatively provides a construction process for separating and sequentially executing two opposite processes of'retarding 'and'excitation', and the cement hydration process can be actively and accurately controlled; thermal excitation is more environment-friendly and reliable, and the effect is good.

The utility model belongs to the field of concrete batching stations, and particularly relates to a multi-layer protection type premixed concrete batching station frame which comprises a plurality of supporting rods, splicing rods and supports. A splicing rod is fixedly mounted at one end of each supporting rod, two identical supports are fixedly mounted on the supporting rods and the splicing rods, and a concrete raw material storage hopper and a concrete raw material metering hopper are fixedly mounted on the two supports respectively; the supporting rod and the splicing rod are each fixedly connected with three dovetail blocks, two of the dovetail blocks are connected with the two supports in a clamped mode, one end of the supporting rod is fixedly connected with a first clamping block, and the first clamping block is connected with one side of the splicing rod in an inserted mode. According to the utility model, through the matching of all the parts, the effect of disassembling and assembling the frame of the premixed concrete batching station can be realized, and the protection effect can also be achieved.

To provide an information processor, an information processing method and a program for clearly specifying an individual place included in a range from a placing place expressed by the range.SOLUTION: In a management system for managing at least a part of exchanges between a request source contractor and a plurality of request destination contractors for ready-mixed concrete, a request source device A11, which is an information processor, includes a storage unit A34 for storing association information for associating placing location range information representing a placing location of ready-mixed concrete by a range with placing location individual location information representing the placing location by an individual location, and a control unit A36 for converting the placing location range information into the placing location individual location information on the basis of the association information.SELECTED DRAWING: Figure 2

This invention provides a concrete pouring hose that allows for the visual detection of rupture of the pressure-resistant layer caused by the pumping of ready-mix concrete. [Solution] The concrete pouring hose has a tube-shaped inner rubber layer 22 that guides the pumping of concrete 30, a pressure-resistant layer 23 formed on the outer surface of the inner rubber layer 22 that inhibits the penetration of concrete 30 and is reinforced with reinforcing cords 231a and 233a, a first outer rubber layer 24 formed on the outer surface of the pressure-resistant layer 23 and integrally molded with the pressure-resistant layer 23, and a second outer rubber layer 25 formed on the outermost outer surface of the first outer rubber layer 24 and having a higher tensile strength than the first outer rubber layer 24.

The utility model discloses a kind of pre-mixed concrete impurity filtering devices with aggregate, it includes: feed bin, first filter bin, second filter bin and discharge bin;Filter screen b, the filter screen b is set at the first filter bin and the second filter bin junction;Filter screen c, the filter screen c is set at the second filter bin and the discharge bin junction;Multiple cleaning mechanism, part cleaning mechanism is set on the filter screen b upper end, another part cleaning mechanism is set on the filter screen c upper end.This kind of pre-mixed concrete impurity filtering devices with aggregate, through the cleaning mechanism of being set on the filter screen b and filter screen c upper end, the impurity after cleaning and filtering is left on filter screen b and filter screen c, accelerate the speed of impurity flowing out of first filter bin and second filter bin;Through the vibration mechanism of being set on the filter screen b and filter screen c lower end, provide periodic strong vibration, separate the adherend on filter screen b and filter screen c.

The utility model relates to the technical field of concrete detection, and discloses a premixed concrete performance detection device which comprises an outer frame, a driving mechanism is arranged on the front side of the top of the outer frame, a mounting plate is fixedly connected to the bottom of the driving mechanism, a quick release mechanism is arranged in the mounting plate, a butt joint plate is slidably connected to the bottom of the quick release mechanism, and the butt joint plate is fixedly connected to the top of the outer frame. An ultrasonic detector is fixedly connected to the bottom of the butt joint plate, a coupling pad is fixedly connected to the bottom of the ultrasonic detector, and a clamping mechanism is arranged on the inner bottom side of the outer frame. And the quick release mechanism comprises a first rotating rod, the exterior of the first rotating rod is slidably connected to the interior of the mounting plate, and a positioning plate is fixedly connected to the top of the first rotating rod. According to the ultrasonic detector, a large number of tools are not needed, the maintenance and replacement time of the ultrasonic detector is remarkably shortened, the use efficiency of the whole detection device is improved, the downtime of equipment can be greatly shortened, and the continuity and high efficiency of detection work are guaranteed.

The disclosure relates to a cement-containing material enhanced with a small dose of functionalized carbon that acts as a smart emulsifying agent in the mix. By stabilizing and uniformly dispersing water, admixtures, and fine particles, the additive drives more even hydration and creates a denser, stronger cement matrix. In some aspects, this results in higher compressive and flexural strength, fewer cracks from shrinkage, and improved durability against freeze-thaw, salts, and chemicals. The material may also show better workability and finishability, reduced permeability and porosity, and more consistent quality batch-to-batch. The additive can be introduced as a drop-in component compatible with existing ready-mix and precast operations. In certain configurations, the carbon can provide electrical pathways for self-sensing capability, enabling condition monitoring of slabs and structures over time. This approach offers a practical path to longer-lasting roads, bridges, buildings, and precast products with measurable performance and lifecycle benefits.

A ready-mix concrete quality prediction method according to the present invention includes: a construction step for constructing a prediction model through machine learning based on training data including a plurality of datasets; an acquisition step for acquiring a plurality of feature amounts obtained when manufacturing ready-mix concrete by using a mixer; and a prediction step for acquiring, by utilizing the prediction model, a predicted value for quality corresponding to the plurality of feature amounts acquired in the acquisition step. In each of the plurality of datasets, the plurality of feature amounts are associated with a quality ground truth, the plurality of feature amounts include at least one load feature amount related to the power load value of the mixer when mixing a concrete material or stirring a ready-mix concrete. In the construction step, the prediction model is constructed such that one or more feature amounts selected from the plurality of feature amounts and the predicted value for quality are associated with one another by using a decision tree.

This invention relates to the field of concrete admixtures, and discloses a slow-release polycarboxylate superplasticizer containing phosphate ester groups and its preparation method. The superplasticizer is prepared by polymerization and post-modification of polyether macromonomers, unsaturated carboxylic acid monomers, slow-release functional monomers, and phosphorus-containing functional components. The molecule simultaneously contains carboxylic acid groups, polyether side chains, slow-release structural units, and phosphate ester groups. By introducing the synergistic effect of the slow-release structure and phosphate ester groups, the adsorption and dispersion capacity of the superplasticizer for cement particles and calcium ions is improved, giving it a high water reduction rate, good slump retention, low bleeding rate, and excellent mud content adaptability. The preparation method is simple, mild, and easily industrialized, and is suitable for ready-mixed concrete, high-performance concrete, and complex aggregate concrete systems.

To provide a concrete pump vehicle that can improve the discharge capacity of ready-mix concrete. [Solution] The concrete pump vehicle comprises a pump unit that pumps and discharges ready-mix concrete, a plurality of drive sources that drive the pump unit, and a control device that controls the plurality of drive sources. The control device selectively drives some or all of the plurality of drive sources so that the ready-mix concrete discharged from the pump unit is at a desired discharge volume.

The utility model provides a kind of processing equipment of carbon fixation premixed concrete, belong to the processing equipment technical field of carbon fixation premixed concrete, its structure includes rack, and vertically setting has stirring barrel on rack, and stirring barrel's cavity is equipped with stirring mechanism, the top surface of stirring barrel is covered with barrel cover, and barrel cover right end is equipped with feed inlet, and feed inlet is hinged with lid, the left end of stirring mechanism extends to the left side outside of stirring barrel, and is connected with carbon dioxide pressurized tank main body by hose, the stirring barrel of the equipment can provide a sealed cavity when stirring, and stirring mechanism has stirring and aerating double functions, and the pressurized delivery of carbon dioxide gas is carried out by carbon dioxide pressurized tank main body, so that carbon dioxide gas can be directly added to the intermediate of concrete raw materials in stirring process by stirring mechanism, so that carbon dioxide gas is not prone to upward dispersion problem, in addition, the orifice is downward, and the plugging problem is not prone to, and it is strong in practicality.

The utility model relates to a premixed commercial concrete transfer trolley which comprises a movable bottom plate, a transfer carriage, a stirring device, a dumping device and a sewage recovery device, the dumping device is installed above the movable bottom plate, the transfer carriage is installed at the top of the dumping device, universal wheels and hydraulic supporting legs are installed at the bottom of the movable bottom plate, and the stirring device is installed on the transfer carriage. A stirring device is arranged in the transfer carriage and comprises a motor, a stirring shaft, a helical ribbon type blade and a screw type blade. According to the utility model, the double-blade composite stirrer is additionally arranged in the concrete transfer trolley, so that the phenomena of layering, segregation, setting, hardening and the like of commercial premixed concrete are prevented; the dumping device is used for automatically dumping the transferred concrete; a sewage recovery device is arranged, when the interior of the transfer carriage is sprayed and washed through a high-pressure water gun, sewage can be directly discharged through a blow-off pipe, and the sewage is filtered through a sewage tank.

The application discloses a dry-wet separation concrete mixing and transporting device with a partition layer, which comprises a mixing drum, an inner sealing cover arranged at the tail end of the mixing drum, an outer sealing cover, an inlet and outlet hopper, a storage bin and a feeding cylinder; an inner sealing ring is arranged between the outer edge of the inner sealing cover and the outer edge of the tail end of the mixing drum, and an outer sealing ring is arranged between the outer edge of the tail end of the outer sealing cover and the outer edge of the mixing drum; the inlet and outlet hopper and the storage bin are fixedly installed on the outer side of the outer sealing cover; the inlet and outlet hopper is connected with the mixing drum through the feeding cylinder which sequentially penetrates through the outer sealing cover and the inner sealing cover; the inner sealing cover is rotationally connected with the feeding cylinder through a rotary support mechanism; the outer sealing cover is provided with an outer discharge port communicated with the inlet and outlet hopper and a storage outlet communicated with the storage bin; and the inner sealing cover is provided with an inner inlet and outlet port. The application realizes synchronous transportation and automatic feeding of pre-mixed concrete and dry cement, reduces the cost and improves the efficiency.

The mixing drum cleaning device of the ready-mixed concrete transport vehicle of the present application includes: a multi-stage arm (10) having a base end portion mounted to a peripheral portion of a hopper (4) so as to be selectively positioned inside or outside a mixing drum (2) and being capable of being extended and retracted; a traction line (13) extending in parallel with the multi-stage arm (10); a winch mechanism (12) for extending or retracting the multi-stage arm (10) by loosening or pulling the traction line (13); and a cleaning water nozzle (20) provided at a front end of the multi-stage arm (10) and moving together with the multi-stage arm (10) to spray cleaning water toward the front, the side, and the rear.

The invention relates to the technical field of concrete admixtures, and discloses a slow-release polycarboxylate superplasticizer containing phosphate groups and a preparation method of the slow-release polycarboxylate superplasticizer. The water reducer is prepared from a polyether macromonomer, an unsaturated carboxylic acid monomer, a slow-release functional monomer and a phosphorus-containing functional component through polymerization and post-modification, and a molecule simultaneously contains a carboxylic acid group, a polyether side chain, a slow-release structural unit and a phosphate group. By introducing the synergistic effect of a slow-release structure and a phosphate group, the adsorption and dispersion capability of the water reducing agent on cement particles and calcium ions is improved, so that the water reducing agent has relatively high water reducing rate, good slump retentivity, relatively low bleeding rate and excellent mud-containing adaptability. The preparation method is simple in process, mild in condition, easy to industrialize and suitable for premixed concrete, high-performance concrete and complex aggregate concrete systems.