11 results about "Rock weathering" patented technology

The invention discloses a mining disturbance and rock mass weathering degree evaluation method based on rock core length intelligent identification, and belongs to the technical field of mine safety monitoring and rock mass engineering detection, and the method comprises the steps: constructing a multi-layer neural network model, identifying a single rock core section from a rock core image before mining, and determining the rock mass weathering degree of the single rock core section; calculating the average length of the rock core before mining in different depth intervals of each drill hole; geometric parameter information of a slope surface structural plane after mining is measured, a discrete fracture network model is constructed, and the average length of a virtual drilling rock core after mining is obtained through a virtual drilling method; and converting the average length of the rock core into fracture density, and constructing a fracture density change rate to quantitatively evaluate the influence of mining disturbance and weathering on the rock mass. According to the method, the influence of engineering disturbance and weathering is effectively separated from the total fracture development through the actual and virtual comparison thought, quantitative evaluation of the rock mass damage source is achieved, and the result is more accurate.

Disclosed is a method comprising: mixing air 002 with water or a water-based solution in an evaporative cooling chamber 003, thereby reducing the temperature and increasing the relative humidity of th

The utility model belongs to the field of water body carbon sink detection, and provides a portable water body rock weathering carbon sink detector which comprises a bearing box body, a partition plate is arranged in the bearing box body, a collecting pipe and a carbon sink detector which are arranged in the bearing box body are arranged on the two sides of the partition plate respectively, bandages which are distributed at intervals are arranged in the bearing box body, and the carbon sink detector is arranged in the bearing box body. A buckle for fixing the collecting tube and the carbon sink detector is arranged between the two binding bands, and a handle is arranged at the top of the bearing box body; a plurality of sealing plates distributed at intervals are arranged in the collecting pipe, the interior of the collecting pipe is divided into a plurality of collecting cavities by the sealing plates, a collecting opening penetrating through the collecting pipe is formed in each collecting cavity, and a sealing assembly for blocking the collecting opening is arranged on each collecting opening; according to the utility model, the acquisition device is fixed in the acquisition box body, so that the device is convenient to carry, the safety of the device is improved, and meanwhile, the data accuracy is improved through multi-point acquisition.

The utility model relates to the technical field of open caisson equipment, in particular to an open caisson structure suitable for a soft rock dynamic side slope, which comprises a retaining wall, the retaining wall adopts a cylindrical structure with an upper opening and a lower opening, a top ring is mounted at the top of the retaining wall, a stone laying layer is mounted at the bottom opening of the retaining wall, a winding pipe is arranged on the inner side of the retaining wall, and a well cover is mounted at the top of the top ring. A water pump support is placed on the well lid. In the open caisson structure suitable for the soft rock dynamic side slope, the retaining wall is of a structure that the concrete layer is poured outside the steel bar frame, and the overall bearing capacity and deformation resistance of the open caisson can be enhanced. Compared with a traditional open caisson, the open caisson can better adapt to complex geological conditions of a soft rock dynamic side slope and effectively resist influences caused by rock weathering and breaking and external load changes, so that side slope displacement is accurately controlled, the stability of the side slope in the long-term using process is guaranteed, and the risk of occurrence of disasters such as landslide is reduced.

The invention belongs to the technical field of spectral analysis, and provides a water rock weathering carbon sink rapid detection method and system based on a spectrum technology, and the method comprises the following steps: distributing points in a research area according to gridding, and selecting representative sampling points to obtain water and rock samples; performing field spectral measurement and laboratory chemical analysis on the water body sample; removing impurities and grinding the rock sample for spectrum and chemical analysis; preprocessing the spectrum detection data of the two types of samples to extract a comprehensive characteristic spectrum wave band, and calculating the weathered carbon sink quantity through a quantitative relation model based on the comprehensive characteristic spectrum wave band to obtain a detection result; according to the method, water and rock spectrum information is integrated, the rapid detection characteristic of a spectrum technology is utilized, and an advanced data processing and modeling method is combined, so that efficient, comprehensive and accurate detection of water rock weathering carbon sinks is realized, reliable data support is provided for deeply researching a carbon circulation mechanism in a water rock weathering process, and the method is suitable for popularization and application. And the requirements of field on-site rapid detection and large-area detection are met.

This disclosure discloses a simulation system for rock weathering in an extreme environment of Mars. The simulation system for rock weathering in an extreme environment of Mars includes a vacuum chamber, a storage structure, a temperature simulation unit, a gas circulation simulation unit, a wind speed simulation unit, and an illumination simulation unit. This disclosure further discloses a simulation test method for rock weathering in an extreme environment of Mars. Compared with the prior art, the simulation system for rock weathering in an extreme environment of Mars prepared by this disclosure can synchronously simulate extreme environments such as a vacuum environment, an atmospheric environment, a temperature environment, an illumination environment, and a sand and dust environment on a surface of Mars, monitors changes such as mass, porosity, and surface deformation of the sample in the weathering process in the extreme environment of Mars of the simulation system.

The application relates to a rock mass quality rapid evaluation method, device and equipment and a readable storage medium, which comprises the following steps: obtaining target drilling parameters after a drilling machine drills into a rock mass to be measured; inputting the target drilling parameters into a preset rock hardness prediction model, a preset rock weathering prediction model and a preset rock mass integrity prediction model to obtain a target rock hardness comprehensive index, a target rock weathering comprehensive index and a target rock mass integrity comprehensive index; determining a target rock strength grade based on a mapping relationship between the target rock hardness comprehensive index, the target rock weathering comprehensive index and rock strength grades; determining a target rock mass integrity grade based on a mapping relationship between the target rock mass integrity comprehensive index and rock mass integrity grades; and determining a target rock mass quality grade of the rock mass to be measured based on a mapping relationship between the target rock strength grade, the target rock mass integrity grade and rock mass quality grades, so that drilling, rapid and accurate evaluation of engineering rock mass quality is realized.

The application discloses a method for strengthening basalt carbon sequestration and application thereof, and belongs to the field of novel carbon sequestration technology. The application introduces a mixture of pyrolytic carbon and hydrothermal carbon to treat basalt particles, utilizes the characteristics of abundant pore structure and oxygen-containing functional groups of biochar, especially the role of the biochar as an electron donor, promotes the reduction and conversion of Fe (III) on the surface of basalt to Fe (II), thereby effectively inhibiting or destroying the iron-based passivation layer which hinders the weathering reaction; meanwhile, the local supersaturation is reduced by adsorbing and chelating Ca 2+ , Mg 2+ and the like, so that the dissolution reaction is continuously driven. Experiments show that the method can significantly improve the corrosion current density and dissolution rate of basalt in water phase, and greatly enhance the carbon capture and storage capacity of carbon dioxide in air. The application has the advantages of low cost, environmental friendliness, significant carbon sequestration and efficiency enhancement, and is suitable for farmland soil improvement and large-scale rock weathering carbon sequestration engineering.

The invention discloses a karst artificial forest heterohabitat coupling regulation and weathering promotion near-natural restoration method. The method comprises the following steps: firstly, dividing an under-forest region of a man-made forest which grows slowly in a karst rocky desertification region into a soil microhabitat and a rocky microhabitat; in the soil microhabitat, a vertical structure of leguminous arbor-herbaceous plant-microorganism is constructed to optimize and complement a vegetation efficient growth system supplied with multi-source nutrients; in the stony microhabitat, a'pioneer woody-moss-lava bacteria 'rock weathering promoting and plant rapid planting system is constructed, and a moss layer is constructed through'matrix-adhesive agent-moss'. Through regulation and control of key nodes of plants and microbial networks, biochemical weathering of the karst carbonate rocks is accelerated, the utilization capacity of the plants on rock source nutrients is remarkably enhanced, and the problem that the stability of a man-made forest is restricted due to lack of water and soil resources in the karst region is solved; the stable succession of the artificial forest ecosystem growing slowly to the near-natural community is promoted.

The application discloses a kind of electrical parameter calculation methods of orthometamorphic rock weathering crust, comprising: reading the conventional logging curve data of the depth corresponding to orthometamorphic rock weathering alteration index;Logging curve data and orthometamorphic rock weathering alteration index data are fitted into linear relationship chart;According to the correlation of the linear relationship chart of fitting, select the logging curve with high sensitivity of orthometamorphic rock weathering crust identification;The logging curve data with high sensitivity of orthometamorphic rock weathering crust identification is normalized;Fitting orthometamorphic rock weathering crust electrical parameter calculation formula;The logging curve data after normalization is brought into orthometamorphic rock weathering crust electrical parameter calculation formula.The present application is based on the analysis of a large amount of logging curve data, establishes a new orthometamorphic rock weathering crust electrical parameter calculation model, and proposes a new method for identifying orthometamorphic rock weathering crust.