23 results about "Parent rock" patented technology

The invention discloses a prospecting exploration method for ion adsorption type heavy rare earth ore in middle and low mountainous areas, and belongs to the technical field of geological mineral exploration. According to Y, Dy and Nb abnormity and Y-Nb combination abnormity areas such as water chemical exploration and soil chemical exploration of a working area, high-silicon, potassium-rich, alkali-rich and sphene-rich heavy rare earth secondary mineral mineralization mother rocks are preferably selected, and a favorable mineralization area of the ion adsorption type heavy rare earth ore is delineated by combining characteristic parameters that Y / Ce is greater than 0.9 and Dy / Ce is greater than 0.2; screening south and east-south-east abrupt slope (gradient of about 30 degrees) areas by utilizing a GIS spatial analysis technology, overlapping favorable mineralization areas of the ion adsorption type heavy rare earth ore, and comparing and determining an ion adsorption type heavy rare earth ore prospecting target area in a working area; whether mineralization abnormity exists in the heavy rare earth ore prospecting target area or not is verified by using a manual impact sampling drill and a rare earth ion leaching-titration qualitative analysis method; chemical samples are preliminarily collected, 15 components of ion phases are analyzed, whether heavy rare earth ore bodies exist or not is judged and evaluated, the prospecting exploration range of the ion adsorption type heavy rare earth ore is determined, and the prospecting efficiency of the ion adsorption type heavy rare earth ore is improved. According to the method, the mineralization prospective area of the ion adsorption type heavy rare earth ore can be rapidly delineated in a large range, the prospecting target area is narrowed, and the prospecting efficiency of the ion adsorption type heavy rare earth ore is improved.

The present application belongs to the field of geological exploration and artificial intelligence technology, and discloses a mineral resource prediction method and system based on a Bayesian physical information neural network. The method comprises the following steps: obtaining and preprocessing multi-source geological data of a study area; constructing a Bayesian neural network based on variational inference; constructing a physical constraint loss with a geological source term; performing three-stage progressive training based on a multi-objective loss function; and performing Monte Carlo sampling prediction and uncertainty quantification. The present application has strong physical interpretability: by embedding a steady-state diffusion equation with a geological source term, the model prediction result conforms to the geological law of ore-forming element migration and enrichment, and the source term clearly corresponds to two geological actions of fracture channel and ore-forming parent rock. The present application realizes the organic combination of data driving and physical driving by using multi-source information such as geochemical data, fracture structure, rock mass distribution and known mine point labels.

The utility model discloses a kind of mechanism pea gravel shaping systems, including crushing module, screening module, leaching module and sand-water separation module, crushing module includes crusher, and mixed material is formed after crushing parent rock, and the discharge end of crushing module is connected with the feed end of screening module;Screening module includes vibrating screening machine, for grading screening mixed material, into big stone, middle stone, small stone and sand and sewage, big stone, middle stone and small stone are respectively stored in corresponding finished product bin, and the vibrating screen of vibrating screening machine is two overlapping screens, screen relative displacement changes screen size and forms detachable fixed fit by fastener;Leaching module includes spraying device, and spraying device is arranged in vibrating screening machine;Sand and sewage are sent to sand-water separation module solid-liquid separation, sand-water separation module includes sand-water separation machine, after separation, solid enters corresponding finished product bin, liquid enters sewage sedimentation tank, overlapping screen makes screen hole more dense, screen size can be changed, prevent pea gravel over-diameter.

The invention discloses a method for quantitatively representing the supply proportion of a material-source intersection area based on element enrichment factor tracing. The method comprises the following steps: S1, establishing a bedrock mother rock element enrichment factor standard chart; s2, acquiring element enrichment factors of the sedimentary area; s3, principal component difference analysis; and S4, calculating the supply proportion of different material sources through linear regression. According to the method for quantitative characterization of the supply proportion of the material source intersection area based on element enrichment factor tracing, an element enrichment factor method is introduced into deep stratum material source research; by optimizing reference element selection, establishing a targeted mother rock standard chart and combining principal component analysis and linear regression, accurate tracing of deep stratum material sources and quantitative calculation of the intersection proportion are achieved, the blank of a deep stratum element enrichment factor material source tracing technology is filled, and the tracing method has a wide application prospect. And a key technical support is provided for deep reservoir prediction and oil-gas exploration of the petroliferous basin.

This invention provides a grouting reinforcement device for unstable rock masses in mines. Compared with existing technologies, vertical grouting grooves are opened at the top of both the secondary unstable rock and the parent rock, and an inclined grouting groove is opened at the bottom of the secondary unstable rock. Vertical and inclined insertion tubes are inserted into the vertical and inclined grouting grooves, respectively. The studs at the bottom of the vertical insertion tubes can be locked with the screw holes of the inclined insertion tubes, thereby locking the three insertion tubes in the secondary unstable rock and the parent rock. A secondary locking connection is made through the internal insertion columns and inclined rods to enhance the stability after connection and cope with the prestress of the secondary unstable rock. Concrete grout is added into the vertical and inclined grouting grooves through the grouting holes on the surface of the vertical and inclined insertion tubes. After solidification, the outer ends of the secondary unstable rock and the parent rock are locked by external fixing components. Anchor ropes are wrapped around the fixing rings at the top of the vertical and inclined insertion tubes to further strengthen the prestress of the secondary unstable rock from the outside.

The application discloses a kind of ion adsorption type rare earth ore exploration methods, comprising the following steps: S1.Statistical survey area ore-forming parent rock total rock rare earth element and K2O content;The total amount of rare earth elements in the ore-forming parent rock and the content of K2O are positively correlated, and the total amount of rare earth elements in the ore-forming parent rock and the content of K2O are used as the rock geochemical index of the ion adsorption type rare earth ore mineralization potential evaluation and target area screening;S2.Prepare the total alkali and K2O distribution map of the survey area;S3.Combined analysis of the total alkali and K2O distribution map and the weathering crust distribution map in the survey area, carry out the rapid evaluation of ore-forming prospect area and the screening of exploration target area;S4.Establish the comprehensive evaluation system of the mineralization potential of the exploration target area, and carry out the rapid positioning of ore body.The exploration method of the application has high exploration efficiency, accurate target area screening, low cost and simple operation, reliable ore body positioning, and has strong applicability.

The present application relates to the technical field of geotechnical analysis, and in particular to a tunnel hole slag performance prediction method based on parent rock mineral composition. The method comprises: obtaining initial types and classification boundaries corresponding to each performance data; establishing initial prediction models corresponding to each performance data; obtaining a training set, a verification set and a test set of the initial prediction models; training the initial prediction models using the training set and the verification set to obtain a first prediction model; testing the prediction model using the test set to obtain a prediction accuracy; updating the classification boundaries or the initial prediction model according to the prediction accuracy, and training again to obtain a second prediction model; if the prediction accuracy corresponding to the second prediction model reaches a preset standard, stopping updating the classification boundaries or the initial prediction model, and if the preset standard is not reached, continuing to update until the preset standard is reached to obtain a final prediction model. The present application can accurately predict the performance of the hole slag.

The embodiment of the present application provides a dangerous rock protection support structure, which relates to the field of rock protection. The dangerous rock protection support structure includes: a first anti-falling net is arranged below the dangerous rock, a first tightening rope is arranged at one end of the first anti-falling net, and a pull rod is arranged above the parent rock, a rotatable first winding wheel is arranged on one side of the outer surface of the pull rod, and the first tightening rope is wound around the outer surface of the first winding wheel, the surface of the dangerous rock is covered with a protective net, the upper and lower ends of the protective net are respectively provided with pull ropes, and the top wall and side walls of the parent rock are respectively fixed with a first base and a second base, after the falling rock falls above the first anti-falling net, the impact force of its fall can pull the first winding wheel to rotate, and as the first winding wheel rotates, its first gear rotates to tighten the protective net to protect the dangerous rock.

According to the high-quality machine-made sand screening system for the simply supported beam, high-quality machine-made sand with good grain composition is obtained through the processes of machine-made sand mother rock crushing, multi-stage screening and powder doping, wide application of the machine-made sand in a railway concrete bridge structure is promoted, and compared with an existing machine-made sand screening system, the screening system has the advantages that the screening efficiency is high; the grain grading level of the machine-made sand is improved, and the application requirement of the machine-made sand in the simply supported beam is met.

The application discloses a soil-mother material-mother rock combined leaching test device, which comprises soil column units, mother material column units and mother rock column units connected in sequence from top to bottom; the lower end of the outer side wall of each column unit is provided with a scale mark, and a bearing filter plate is clamped at the lower position in the interior of each column unit; nylon gauze and quartz sand layers are laid on each bearing filter plate; the interior of the mother material column units and the mother rock column units is clamped with water distribution filter plates; the bottom end of the soil column units and the mother material column units is provided with a first water valve, and the lower end of the outer side wall of the mother rock column units is provided with a second water valve; the application reserves cavities in the bottom of the soil column units, the mother material column units and the mother rock column units, and sets scale marks on the outer wall of each column unit, so that each column unit can be individually quantified after leaching, and the total amount of heavy metal release in different matrix layers can be analyzed by measuring the heavy metal concentration of the leaching solution.

The invention relates to a method for the automatic quantification of dihydrogens produced from a sample of a mineral containing a metal compound, such as iron, or a sample of a deposited mother rock, characterized in that a water reduction reaction is carried out at a temperature of about 1200 DEG C in the presence of the sample and water vapor (2) and the amount of dihydrogens produced from the sample during the reaction is determined, and identifying the mother rock as a potential source of natural hydrogen. The invention also relates to a device for carrying out the method.

The invention belongs to the technical field of soil environment identification, and particularly relates to a rapid identification method for a soil iron-manganese nodule enrichment area based on soil geochemical data. Comprising the following steps: S1, screening soil geochemical element indexes of an iron-manganese nodule enrichment area and other areas in a to-be-identified area according to a soil forming mother rock, a soil forming environment and a soil forming process, and screening out index elements for distinguishing the iron-manganese nodule enrichment area from the other areas; s2, determining a threshold value of soil geochemical element indexes screened in S1; and S3, verifying the geochemical element index threshold value of the iron-manganese nodule enrichment area. According to the method, the iron-manganese nodule enrichment region can be effectively divided through area survey data quickly, the geological high-background ecological low-risk region can be divided quickly and accurately, and the method has a good market application prospect.

The invention discloses a dangerous rock mass crack filling and reinforcing integrated device, and relates to the field of geotechnical engineering disaster prevention and control. The anchor rod comprises a first anchor rod body, a second anchor rod body, a connecting mechanism and a locking mechanism. The connecting mechanism comprises a rotating rod arranged in the second anchor rod, one end of the rotating rod penetrates through the second limiting block to be fixedly connected with the driving block, and the other end of the rotating rod penetrates through the second anchor rod and is provided with first external threads. The locking mechanism is arranged in the first anchor rod; the first external threads are detachably connected with the locking mechanism through threads. According to the dangerous rock mass crack filling and reinforcing integrated device, through cooperative arrangement of the connecting mechanism and the locking mechanism, the problems that in the using process of an existing dangerous rock mass crack filling and reinforcing integrated device, the connecting structure between anchor rods is simple, the fixing effect is poor, the anchor rods vertically inserted into a mother rock mass are likely to shake in the containing grooves, and the reinforcing effect is affected are solved. The invention further relates to a using method of the dangerous rock mass crack filling and reinforcing integrated device.

The present invention discloses a method for determining the source rock type of crust-derived helium in natural gas reservoirs, which belongs to the technical field of oil and gas associated helium exploration. A method for determining the source rock type of crust-derived helium in natural gas reservoirs comprises the following steps: S1, using 132 Xe / 36 Ar and 84 Kr / 36 Ar value is used as the identification parameter of the source rock type of crustal helium; S2, draw different types of rocks 132 Xe / 36 Ar~ 84 Kr / 36 Ar correlation diagram, statistics of basin basement and basin sedimentary cover 132 Xe / 36 Ar and 84 Kr / 36 The distribution range of Ar; S3, determine whether the helium in the natural gas sample is of crustal origin; S4, under the premise of determining that the helium in the natural gas reservoir is of crustal origin, calculate the sample 132 Xe / 36 Ar and 84 Kr / 36 Ar value, statistics its distribution range, and project it onto the correlation diagram established in S2; S5, based on the projected position of the sample to be tested on the diagram in S4, or the comparison results of its distribution range with the distribution range of different types of rocks, determine the parent rock type of the sample helium, which can quickly determine whether the helium comes from the basement or sedimentary cover rock, and the judgment result is reliable.

The invention relates to the technical field of concrete preparation, and discloses a design and preparation method of premixed porous exposed aggregate pervious concrete. The invention has the innovativeness that: 1, the invention is a prefabricated product, and the time from production completion to field use of the product is about 1 hour, thereby breaking through the short-time production and construction of the traditional field mixing process, and realizing the stable construction performance of the product for a long time; and 2, in the mix proportion design, a cement dosage calculation formula in the existing standard is corrected, and the new formula has a very strong guiding effect. And 3, rubber powder is not used, but the strength of the slurry bone interface of the product is improved based on a stone specific surface area related theory. Fourthly, 3-6 mm stones with the mother rock crushing value smaller than or equal to 16% are used, and the stones can be natural stones or recycled aggregates. According to the pre-mixed porous exposed aggregate concrete prepared by the scheme, the water permeability coefficient is 0.5%, the 28-day compressive strength is 34 MPa or above, the slump retaining property meets the construction requirement, and a solution for solving the contradictory problem of the exposed aggregate water-permeable concrete in the aspects of the water permeability coefficient and the strength is enriched.

The application discloses a sedimentary basin paleogeographic pattern reconstruction method based on geochemical indexes, and comprises the following specific steps: analyzing and measuring the major element, trace element and rare earth element compositions of a sampling sample of a sedimentary basin, judging the tectonic background and parent rock lithology of the sedimentary basin, and analyzing the secondary components in the rock debris in the sampling sample to constrain the judgment result of the tectonic background of the sedimentary basin; analyzing and calculating the heavy mineral composition proportion of the sampling sample to obtain a heavy mineral combination maturity index, and judging the sediment transport distance of the sedimentary basin; determining the sedimentary basin paleoenvironment reconstruction index by analyzing the trace elements of the sampling sample, combining the sediment characteristics of the sedimentary basin and the sedimentary facies division, and calculating the sediment dispersion law indicated by the internal strata of the sedimentary basin; and combining the geochemical indexes obtained in steps one, two and three in a coupling mode to reconstruct the paleogeographic pattern of the sedimentary basin.

This invention discloses a method, system, and medium for evaluating the engineering suitability of gravelly soil fillers based on fuzzy hierarchical analysis, relating to the field of geotechnical engineering technology. It improves upon existing technologies by constructing an applicability evaluation framework comprising a target layer, a criterion layer, and an index layer, along with objective and unified evaluation grading rules. Based on fuzzy hierarchical analysis, it determines the contribution weight of each index to different engineering performances and, through fuzzy weight calculation, couples the systematic influence of multiple factors such as particle size distribution, parent rock properties, and particle shape into the final evaluation result. This provides a structured framework and unified scoring standards for the evaluation process, solidifying scattered and fuzzy expert experience into a set of executable objective rules, greatly reducing arbitrariness and subjective bias in the evaluation process.

The invention discloses a rock core crustal stress obtaining method and device, and relates to the technical field of rock detection, and the method comprises the steps: determining the maximum horizontal principal stress SH direction, the minimum horizontal principal stress Sh direction and the vertical principal stress SV direction of a to-be-detected rock core based on the sound wave velocity anisotropy; rock core columns are drilled in the SH direction, the Sh direction and the SV direction of the rock core to be measured respectively, and Kaiser stress in the SH direction, the Sh direction and the SV direction is obtained through a Kaiser acoustic emission device; and obtaining the crustal stress of the rock core according to the obtained Kaiser stress in the SH direction, the Sh direction and the SV direction. The method is clear in testing principle, accurate and effective, the drilling number of small rock cores is reduced, the problem that in a conventional Kaiser crustal stress testing method, due to the fact that the mother rock length is not enough, small rock cores in the enough direction cannot be drilled, and testing cannot be conducted can be solved, and basic geological data are provided for oil and gas field exploration and development.

The application discloses a rock sample manufacturing method capable of reflecting structural plane angle and roughness, comprising a similar material proportioning method and a mold manufacturing method. The similar material proportioning method is performed according to main mineral components of a parent rock, structural plane surface roughness information is obtained through a three-dimensional scanner, a three-dimensional model of a mold is designed by using modeling software, a sample manufacturing mold is obtained by using a 3D printing technology, the lower half of the sample is poured after the mold is assembled, the upper half of the sample is poured after the lower half is finally cured, and thus the rock sample manufacturing containing a structural plane reflecting different angles and roughness information is completed. The application can manufacture rock similar material samples with different structural plane angles and roughnesses in accordance with the standard of the International Society for Rock Mechanics, and the manufacturing method is convenient, fast and accurate, and can help solve the problems that natural structural plane rock samples are not easy to obtain, the cost is high, and it is difficult to meet the repeated test requirements.

This invention discloses a method, system, computer program product, and storage medium for estimating the mud powder content of fine aggregates based on multiple features. First, multiple physical characteristic parameters of the manufactured sand fine aggregate to be tested are acquired. These parameters include methylene blue value, particle size distribution parameters, powder parameters, and parent rock lithological characteristics. The parent rock lithological characteristics are lithological codes obtained by numerically mapping different rocks. Then, all physical characteristic parameters are input into a neural network model. This model is pre-trained using a training dataset, which uses the physical characteristic parameters of historical samples as input and the actual mud powder content as output. Finally, the estimated mud powder content output by the neural network model is obtained. The method, system, computer program product, and storage medium provided by this invention can accurately, quickly, and conveniently determine the mud powder content in manufactured sand fine aggregates, and have extremely high industrial practical value.

The present disclosure relates to a method for determining macroscopic distribution of swelling rock / soil, and the method provided by the present disclosure can divide the stratum distribution range controlled by different parent rock lithology of each stratum paragraph according to the spatial distribution characteristics of the sedimentary facies of different stratum paragraphs in the region to be studied and the parent rock lithology category, and determine the macroscopic distribution of swelling rock / soil according to the weathering degree and swelling characteristics of sandstone and mudstone of each stratum paragraph. The method provided by the present disclosure can determine the distribution position and swelling strength of the swelling rock / soil in the region, and the main distribution range of the swelling rock / soil can be circled through the research on the distribution characteristics of the swelling rock / soil in a large range, and then the exploration means can be reasonably arranged, and the engineering investigation cost can be reduced.

The invention discloses a dangerous rock collapse disaster-causing range inversion calculation method and a blocking position determination method, and belongs to the technical field of geological disaster prevention and control. The disaster-causing range inversion calculation method comprises the following steps: step 100, measuring parameters of collapsed rock blocks and potential dangerous rock blocks; step 200, establishing a three-dimensional digital model of the dangerous rock distribution area; step 300, obtaining an accurate rockfall movement track, a slope collision recovery coefficient and a slope rolling sliding friction coefficient; and calculating the collision energy loss rate and the rolling and sliding energy loss rate of the potential dangerous rock block stone which is separated from the mother rock, freely falls and collides with the slope surface, and calculating the collapse movement distance of the potential dangerous rock block stone. The collapse movement distance is the horizontal distance from the potential dangerous rock block stone to the mother rock after the potential dangerous rock block stone is separated from the mother rock and stops rolling, and the coverage range of the collapse movement distance on the ground is the accurate disaster-causing range.

This invention discloses a method for evaluating and predicting favorable reservoirs in high-temperature fault-controlled sedimentary areas. The method includes the following steps: identifying the parent rock type in different watersheds; calculating the erosion amount in different watersheds; quantitatively determining the clastic material basis of the sediment supply; quantitatively characterizing the activity of the controlling sedimentary faults and the valley system to determine the clastic material transport channels; determining the distribution of large reservoirs through micro-paleogeomorphic constraints in the sedimentary area; comparing the erosion amount in different watersheds with the corresponding sedimentary body volume to quantitatively predict the thickness and distribution of reservoir sand bodies; and comprehensively analyzing the reservoir sand body distribution, lithofacies characteristics, and regional temperature and pressure field characteristics to analyze the main controlling factors and distribution patterns of reservoir formation and predict favorable reservoir distribution areas. This invention provides a semi-quantitative to quantitative description of the distribution of favorable reservoirs in sedimentary areas by quantitatively analyzing the watershed area, erosion amount, fault activity, valley system, reservoir and porosity evolution in the erosion zone, and the configuration relationships between various parameters.