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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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Форма поиска

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 5. Отображено 5.
12-05-2023 дата публикации

Deep roadway supporting and fixing structure and construction method thereof

Номер: CN116104534A
Автор: YANG JIANWEI, JIANG PENGFEI, KANG HONGPU, ZHANG QUNTAO, LI JIAFENG, LI SHUAI, WANG ZIYUE
Принадлежит:

According to the deep roadway supporting and fixing structure and the construction method thereof, the anchoring force is improved through full anchoring of the grouting anchor rod and the grouting anchor cable to form the anchoring part, grouting modification is conducted on broken surrounding rock, the diffusion range of grouting slurry is widened, the strength and integrity of the surrounding rock are improved, and the grouting modification part is formed; the grouting anchor rods and the grouting anchor cables jointly support the roadway together with a net post-prestressed filling part formed by the filling bags on the surface of roadway surrounding rock, so that bumps at unsupported positions between the grouting anchor rods and the grouting anchor cables are greatly reduced, three internal and external synergistic bearing structures are formed, and large deformation of the roadway surrounding rock under complex conditions is resisted.

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Номер записи: 1
07-04-2023 дата публикации

Multifunctional drilling box for anchor rod support

Номер: CN115929369A
Автор: LUO CHAO, KANG HONGPU, WANG ZIYUE, JIANG PENGFEI, CAO XIAOMING, GUO JICHANG, LIU CHANG, WEI YAOZHONG
Принадлежит:

The invention discloses a multifunctional drilling box for anchor rod supporting, the multifunctional drilling box for anchor rod supporting comprises a box seat, a first rotating shaft, a second rotating shaft, a bolting and grouting assembly, a plurality of non-return assemblies, a driving part and a transmission assembly, the first rotating shaft is rotatably arranged on the box seat, and the first rotating shaft is provided with a first through hole; the second rotating shaft is arranged in the first through hole in a matched mode and can move in the length direction of the first rotating shaft, the second rotating shaft is provided with a second through hole, the bolting and grouting assembly is arranged on the box base in a sliding mode, penetrates through the second through hole and is rotationally connected with the second rotating shaft, and the bolting and grouting assembly is provided with a plurality of fluid channels communicating with the first through hole. The non-return ...

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Номер записи: 2
23-05-2023 дата публикации

PH-responsive nano self-assembly core-shell structure particle regulator for modifying grouting material and preparation method of pH-responsive nano self-assembly core-shell structure particle regulator

Номер: CN116144040A
Автор: LI JIAFENG, YANG JIANWEI, JIANG PENGFEI, KANG HONGPU, ZHANG QUNTAO, WANG ZIYUE, CHEN JINYU
Принадлежит:

According to the pH response nano self-assembly core-shell structure particle conditioning agent for modifying the grouting material and the preparation method of the pH response nano self-assembly core-shell structure particle conditioning agent, alpha-ethyl cyanoacrylate is wrapped in a polyvinyl alcohol-pullulan compound, and the prepared pH response nano self-assembly core-shell structure particle conditioning agent has a hydrophilic/hydrophobic amphiphilic structure; the modified alpha-ethyl cyanoacrylate has good dispersity in the grouting material, protects the active alpha-ethyl cyanoacrylate monomer from being damaged in the storage and transportation processes, can be released and polymerized in situ only when the pH value changes, and improves the bonding performance of the grouting material and a coal body. When the regulator is used, the alpha-ethyl cyanoacrylate monomer is released through pH response, the alpha-ethyl cyanoacrylate monomer and water are subjected to a rapid ...

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Номер записи: 3
28-07-2023 дата публикации

Roadway reinforcing device, preparation method thereof and roadway reinforcing method

Номер: CN116498346A
Автор: TIAN JINZHOU, KANG HONGPU, YAN BINGSHUANG, MA BING, WANG YANG, AN CHUNMING, WANG DONGPAN, YI ZHONGYU, ZHAO KE, DU LONGFEI, LI TAO, WANG HAIJIN
Принадлежит:

The invention relates to the technical field of roadway reinforcement treatment, and provides a roadway reinforcement device and a preparation method thereof and a roadway reinforcement method.The roadway reinforcement device comprises a flexible mold bag, a supporting framework, a rigid mold sleeve and a filling material; at least one filling opening is formed in the side part of the flexible mold bag and is used for filling the flexible mold bag with a filling material; the supporting framework is arranged in the flexible mold bag; the rigid mold sleeve is arranged on the periphery of the flexible mold bag in a sleeving manner; and the filling material is filled in the flexible mold bag and forms a columnar support body. By means of the arrangement, compared with anchor net cable supporting, single column reinforcing supporting and wood crib supporting, the roadway reinforcing device has higher supporting strength, so that the roadway reinforcing supporting bearing capacity is improved ...

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Номер записи: 4
26-05-2023 дата публикации

Temperature response type in-situ polymerization modified composite grouting material and preparation method thereof

Номер: CN116161937A
Автор: LI JIAFENG, YANG JIANWEI, JIANG PENGFEI, KANG HONGPU, ZHANG QUNTAO, WANG ZIYUE, CHEN JINYU
Принадлежит:

The invention provides a temperature response type in-situ polymerization modified composite grouting material and a preparation method thereof. The grouting material comprises the following components in parts by mass: 86-95 parts of Portland cement clinker, 13-19 parts of gypsum, 1-5 parts of quick lime, 5-8 parts of an active mixture, 0.2-0.5 part of an in-situ cross-linking agent and 0.1-0.3 part of an in-situ cross-linking accelerant. Adding the prepared active mixed solution into the grouting base material solution, then adding an in-situ cross-linking agent and an in-situ cross-linking accelerant, and uniformly stirring and mixing to obtain the temperature response type in-situ polymerization modified composite grouting material. The prepared temperature response type in-situ polymerization modified composite grouting material can form chemical bonds with a coal body interface in situ, the high bonding strength determined by covalent bonds is brought into full play, the bonding force ...

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Номер записи: 5