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

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Применить Всего найдено 2. Отображено 2.
04-07-2023 дата публикации

Refuse landfill structure constructed by reinforced soil on valley high and steep slope

Номер: CN116378108A
Автор: XIONG BO, LIU JIANXIN, ZHANG KENENG, ZHU KAOFEI
Принадлежит:

The invention relates to the field of slope transformation, in particular to a refuse landfill structure constructed by reinforced soil on a valley high and steep slope. The refuse landfill structure comprises a bottom layer anti-seepage system and a side slope anti-seepage system, the bottom layer anti-seepage system is arranged at the bottom of a side slope, and the side slope anti-seepage system is arranged on the surface The side slope anti-seepage system comprises a backfill anti-seepage structure and an anti-seepage layer structure, and the backfill anti-seepage structure is connected with the side slope surface and the anti-seepage layer structure. The backfill anti-seepage structure is formed by a single-layer structure; the single-layer structure comprises a one-way geogrid, a gunny bag part, backfill materials and a clay layer, the bottom of the backfill material at the bottommost layer is connected with the bottom layer anti-seepage system, the one-way geogrid is arranged at ...

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Номер записи: 1
23-05-2023 дата публикации

Variable-diameter drill hole dynamic pressure water burst rapid plugging device and using method

Номер: CN116146145A
Автор: ZHANG KENENG, SANG KANGYUN, HUANG YOUHAN, ZHU KAOFEI, JIANG FEIJUN, QING GUOPING, SHEN JIANPING, ZHANG YUNYI
Принадлежит:

The invention discloses a variable-diameter drill hole dynamic pressure water burst rapid plugging device and a using method, and relates to the technical field of underground hot water resource exploiting.The lower portion of the outer wall of a casing pipe is fixedly sleeved with a fixed support, and the fixed support is used for abutting against a step of a drill hole and dividing the drill hole into two parts in the axis direction; the water stop plate is used for being arranged on the upper portion outside the casing pipe in a sleeving mode and making contact with the ground, all the grouting pipes penetrate through the water stop plate and extend into a drill hole, and the positions, extending into the drill hole, of the multiple grouting pipes are different from one another; the bottom end of the orifice pipe is connected with the top end of the sleeve, the side pipe is arranged on one side of the orifice pipe, the second valve is arranged on the side pipe, the mixing pipe is connected ...

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Номер записи: 2