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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

Large-size rock mass sample three-direction five-face loading sample loading device and sample loading method

Номер: CN116380644A
Принадлежит:

The invention discloses a large-size rock mass sample three-direction five-face loading sample loading device and a sample loading method.The device comprises a sample loading cavity, the sample loading cavity is defined by a bottom plate, a top loading plate and four lateral loading plates, the bottom plate is provided with a sample positioning boundary drawing line for placing a sample in a centering mode, and the bottom plate is provided with a sample positioning boundary drawing line for placing the sample in a centering mode; at least two meter rods are fixedly arranged on the bottom plate and located on the outer side of each lateral loading plate, each meter rod is provided with a threaded hole, and an adjusting bolt is screwed into the threaded hole to abut against the corresponding lateral loading plate. The device has the advantages of convenience in sample loading and prevention of bias voltage during sample loading.

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08-08-2023 дата публикации

Rock mass sample dynamic and static combined loading device

Номер: CN116558938A
Принадлежит:

The invention discloses a dynamic and static combined loading device for a rock mass sample, which can apply static load and dynamic disturbance to the rock mass sample and can meet the mechanical property requirements of dynamic and static combined loading and unloading of a deep large-size rock mass. Therefore, the dynamic and static combined loading device for the rock mass sample, provided by the invention, comprises a loading head, a static loading cylinder for pushing the loading head to apply a static load to the sample, and a disturbance component which acts on the loading head to apply a dynamic disturbance load to the sample, the disturbance assembly comprises a disturbance rod and a disturbance oil cylinder for applying an impact load to the disturbance rod, a channel for the disturbance rod to penetrate out is formed in a piston rod of the static loading cylinder, the disturbance rod is installed in the channel in a sliding mode, one end of the disturbance rod penetrates out ...

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