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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 8. Отображено 8.
25-07-2023 дата публикации

Sinking area stability area division method and treatment time planning method

Номер: CN116485218A
Автор: GAO CHAO, ZHANG GUOYIN, DENG WEINAN, YUE CHUNHUI, TIAN GUOCAN, WU XIAOBAO, YIN XIWEN, YANG YONGJUN, ZHANG YUJUN, SHAO LONGQIANG, LIU ZHUORAN, WANG XU, CHENG YANFANG
Принадлежит:

The invention provides a subsidence area stability area division method and a treatment time planning method, and the method comprises the steps: carrying out the fitting of surface movement deformation of a surface movement observation station and a subsidence area sample monitored by an InSAR based on a Bertaffy time function, and solving a function relation equation of the surface movement deformation and time; dividing the cycle of surface movement deformation into a plurality of time stages based on the function relation equation; according to the mining engineering plane graph of the subsidence area sample, determining a time corresponding relation between a mining stage and a time stage of the mine working face sample corresponding to the subsidence area sample; and determining the stability type of the current subsidence area according to the mining stage of the current mine working face and the time corresponding relation between the time stage and the mining stage. According to ...

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Номер записи: 1
12-05-2023 дата публикации

Safe mining method for pasty caustic sludge and dam body dismantling method

Номер: CN116104052A
Автор: GAO CHAO, LI YUNFENG, ZHANG YUJUN, LI MINGYANG, DENG WEINAN, LI GAOJUN, DONG DAKUN, XU LEI, CHENG PENG, TIAN GUOCAN, ZHANG YAN, LIU ZHUORAN, ZHANG JIAMING, WU TONG
Принадлежит:

The invention provides a paste alkali residue safe excavation method and a dam body dismantling method. The method comprises the steps that the safety and stability coefficient of each dangerous section of a target dam body is determined; the target dam body is divided into a plurality of danger zones according to the safety and stability coefficient of the danger section, and the danger level of each danger zone is determined; layered excavation is conducted on the alkaline residue bodies in the target dam body, the alkaline residue bodies with the preset width and the preset slope angle are reserved adjacent to each dangerous zone, and the higher the danger level of the dangerous zone in the same layer is, the larger the preset width of the alkaline residue bodies reserved in the dangerous zone is. The preset widths, corresponding to different layers, of the same dangerousness subarea are sequentially increased from top to bottom. The stability of the dam body is enhanced by reserving ...

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Номер записи: 2
16-05-2023 дата публикации

Grouting amount calculation method based on coal mine goaf residual porosity test

Номер: CN116122896A
Автор: GAO CHAO, WANG CHENGUANG, DENG WEINAN, ZHANG QIUYUAN, YIN XIWEN, YAO HENG, ZHANG YUJUN, LI SANCHUAN, TIAN GUOCAN, CHU ZHENYAO, XU LEI, SUN PENGZHI, LIU ZHUORAN, GUO YINGJIE
Принадлежит:

The invention provides a coal mine goaf residual porosity test-based grouting amount calculation method, which comprises the following steps of: determining a crack zone position and a caving zone position of a coal mine goaf, and performing pressure and concentration differential grouting when an exploration hole of the coal mine goaf drills to the crack zone position and the caving zone position; sealing the reconnaissance hole and performing trepanning coring after slurry in the hole is solidified, and arranging a plurality of coring holes around the reconnaissance hole for coring; processing a plurality of coring samples at different plane positions and different depths to obtain the volume of a slurry solidification body and the volume of a rock block body in the samples, and calculating to obtain the porosities at different plane positions and different depths; and according to the obtained porosity, a spatial distribution function of the porosity is obtained, integral calculation ...

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Номер записи: 3
23-05-2023 дата публикации

Visual cooperative monitoring and early warning method and system for ground stability of coal mining subsidence area based on multi-source data

Номер: CN116146281A
Автор: DENG WEINAN, YIN XIWEN, ZHANG YUJUN, GAO CHAO, TIAN GUOCAN, LIU YIXIN, GUO AIGUO, LIU HAIQING
Принадлежит:

The embodiment of the invention discloses a coal mining subsidence area ground stability visual cooperative monitoring and early warning method and system based on multi-source data, and belongs to the technical field of coal mining subsidence area monitoring. The method comprises the following steps: cooperatively monitoring and collecting subsidence area ground stability data of the whole coal mining subsidence area and a plurality of monitoring points by using a plurality of subsidence area ground stability monitoring technologies for a target coal mining subsidence area; aiming at ground stability data monitored and acquired by each subsidence area ground stability monitoring technology, constructing a data storage library in a corresponding format, and correspondingly storing the ground stability data to the corresponding data storage library; and comparing the ground stability data with a corresponding data early warning rule, and performing classified early warning according to a ...

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Номер записи: 4
04-04-2023 дата публикации

Method and device for controlling overlying strata in coal mining

Номер: CN115898404A
Автор: SONG YEJIE, JU WENJUN, ZHANG YUJUN, LI LEI, ZHANG FENGDA, ZHAO QIUYANG, DENG WEINAN, SHEN CHENHUI, GAO CHAO, WU XIAOSHI
Принадлежит:

The invention provides a coal mining overlying strata control method and device. The coal mining overlying strata control method comprises the steps that the rock quality index of a coal seam roof, the thickness of a bed rock column and the thickness of a coal seam are obtained; based on the rock quality indexes, distribution information of the hard and thick rock strata is obtained; based on the coal seam thickness and a preset fracture mining ratio, the overlying strata damage height is obtained; and under the conditions that the ratio of the thickness of the hard and thick rock stratum to the thickness of the coal seam is larger than or equal to a thickness threshold value, the overlying strata damage height is smaller than or equal to the thickness of the bed rock column, and the position is the preset target position, the hard and thick rock stratum is determined to be the hard and thick rock stratum capable of being presplit. By means of the method, overlying strata damage during ...

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Номер записи: 5
23-06-2023 дата публикации

Self-discharging box body and semitrailer

Номер: CN116279055A
Автор: WU SHIFENG, ZOU YONGQUAN, DENG WEINAN, MAO WEI, HAN LEI
Принадлежит:

The invention provides a self-discharging box body and a semitrailer. The self-discharging box body comprises an underframe, a lifting longitudinal beam, a plurality of pairs of telescopic beams and two bottom plates, the lifting longitudinal beam is positioned on the underframe; the two longitudinal ends of the lifting longitudinal beam can abut against the two longitudinal ends of the underframe. The telescopic beams are arranged at intervals in the longitudinal direction of the lifting longitudinal beam. Each pair of telescopic beams comprises telescopic beams which are respectively arranged on two transverse sides of the lifting longitudinal beams; one end of each telescopic beam is rotationally connected with the underframe, and the other end is rotationally connected with the lifting longitudinal beam; the two bottom plates are located on the bottom frame and arranged on the two opposite sides of the lifting longitudinal beam respectively. The lifting longitudinal beam can ascend ...

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Номер записи: 6
14-07-2023 дата публикации

Building protection method for cooperative control of surface subsidence and building limit deformation

Номер: CN116432275A
Автор: GUO TUANJIE, GAO CHAO, TIAN JUNLI, ZHAO JITAO, XIE JIMING, DENG WEINAN, GWON SUK-JOO, YIN XIWEN, TIAN GUOCAN, HUANG ZUNYING, XU LEI, SHEN SANNAN, LIU ZHUORAN, XING XIANGQUAN, WU TONG
Принадлежит:

The invention provides a building protection method for cooperative control of surface subsidence and building limit deformation, and the method comprises the steps: analyzing a limit deformation value of a building according to the original mining resistance of the building and the level of surface mining damage; determining a first movement deformation value of the earth surface in combination with an original relation equation of earth surface and building movement deformation; according to the first cost curve and the second cost curve, the goaf filling treatment compactness and the anti-mining capacity of the anti-deformation building are determined, the earth surface movement deformation sum corresponding to the goaf filling treatment compactness and the anti-mining capacity of the anti-deformation building is larger than or equal to the first movement deformation value, and the total measure cost corresponding to the goaf filling treatment compactness and the anti-mining capacity ...

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Номер записи: 7
23-06-2023 дата публикации

Alkali residue dam body stability evaluation method and device

Номер: CN116307832A
Автор: GAO CHAO, LI YUNFENG, ZHANG YUJUN, LI MINGYANG, DENG WEINAN, LI GAOJUN, DONG DAKUN, XU LEI, CHENG PENG, TIAN GUOCAN, ZHANG YAN, ZHANG PEIYONG, ZHANG JIAMING, SHI HANBO, LIU ZHUORAN
Принадлежит:

The invention provides an alkaline residue dam body stability evaluation method and device, and the method comprises the steps: determining whether each section is a dangerous section or not according to the characteristics of each section of a target dam body, processing and analyzing the detection result of the target dam body, and obtaining the type, porosity and resistivity of each rock-soil layer of each dangerous section; based on the corresponding relation among the porosity, the resistivity ratio and the physical and mechanical property parameter ratio, determining the porosity of each rock-soil layer of each dangerous section and the physical and mechanical property parameter ratio corresponding to the resistivity; and multiplying the physical and mechanical property parameters corresponding to the types of the rock-soil layers by the physical and mechanical property parameter ratios corresponding to the rock-soil layers, and judging whether each dangerous section has stability ...

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Номер записи: 8