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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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Применить Всего найдено 4. Отображено 4.
29-06-2011 дата публикации

Express highway pavement asphalt concrete construction technique

Номер: CN0101694083B
Автор: CHEN XING, LI WANGUANG, LI JIANHONG, XING CHEN, WANGUANG LI, JIANHONG LI
Принадлежит:

The invention belongs to the express highway pavement construction technique, in particular to an express highway pavement asphalt concrete construction technique which at least comprises the following steps: preparing asphalt concrete materials, mixing asphalt concrete materials, transporting, paving, and pressing compactly. The express highway pavement asphalt concrete construction technique ischaracterized in that asphalt concrete materials are mixed in a heat storing device, the stirring is controlled between 182DEG C and 187 DEG C, the stirring time should not be shorter than 50 seconds, the transportation vehicles for transportation should have heating or heat preservation containers, and the paving is even speed and continuous paving. The pressing adopts a sprayer to spray demolding agent for rolling, thereby asphalt mixed materials can obtain sufficient 'water sealing performance', three double steel wheel pavement rollers higher than 12t and three rubber wheel pavement roller 30t ...

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Номер записи: 1
06-04-2011 дата публикации

Abrupt slope bare rock drilling platform and technology in huge reservoir

Номер: CN0101666081B
Автор: LI WANGUANG, LI GENMING, GUAN YUBIN, WANGUANG LI, GENMING LI, YUBIN GUAN
Принадлежит:

The invention relates to bridge engineering, in particular to an abrupt slope bare rock drilling platform and a technology in a huge reservoir and used for bridge construction. The invention is characterized in that an abrupt slope bare rock drilling device in a huge reservoir comprises steel pipe piles, a cross beam, a longitudinal beam, cross struts and a steel casing, wherein the steel pipe piles are arranged on the riverbed in a longitudinal and transverse spacing manner; the longitudinal and transverse spaces of the steel pipe piles are connected through a braced plane frame, the longitudinal cross strut and the transverse cross strut; the space surrounded by the four steel pipe piles is internally provided with the steel casing the height direction of which is parallel to the steel pipe piles; and the diameter of the pile foundation steel casing is 280cm, and the steel casing is made by rolling an A3 steel plate with the thickness of 14mm. The construction technology of the platform ...

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Номер записи: 2
14-04-2010 дата публикации

Express highway pavement asphalt concrete construction technique

Номер: CN0101694083A
Автор: Chen Xing, Li Wanguang, Li Jianhong
Принадлежит:

The invention belongs to the express highway pavement construction technique, in particular to an express highway pavement asphalt concrete construction technique which at least comprises the following steps: preparing asphalt concrete materials, mixing asphalt concrete materials, transporting, paving, and pressing compactly. The express highway pavement asphalt concrete construction technique is characterized in that asphalt concrete materials are mixed in a heat storing device, the stirring is controlled between 182DEG C and 187 DEG C, the stirring time should not be shorter than 50 seconds, the transportation vehicles for transportation should have heating or heat preservation containers, and the paving is even speed and continuous paving. The pressing adopts a sprayer to spray demolding agent for rolling, thereby asphalt mixed materials can obtain sufficient 'water sealing performance', three double steel wheel pavement rollers higher than 12t and three rubber wheel pavement roller ...

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Номер записи: 3
10-03-2010 дата публикации

Abrupt slope bare rock drilling platform and technology in huge reservoir

Номер: CN0101666081A
Автор: LI WANGUANG, LI GENMING, GUAN YUBIN, WANGUANG LI, GENMING LI, YUBIN GUAN
Принадлежит:

The invention relates to bridge engineering, in particular to an abrupt slope bare rock drilling platform and a technology in a huge reservoir and used for bridge construction. The invention is characterized in that an abrupt slope bare rock drilling device in a huge reservoir comprises steel pipe piles, a cross beam, a longitudinal beam, cross struts and a steel casing, wherein the steel pipe piles are arranged on the riverbed in a longitudinal and transverse spacing manner; the longitudinal and transverse spaces of the steel pipe piles are connected through a braced plane frame, the longitudinal cross strut and the transverse cross strut; the space surrounded by the four steel pipe piles is internally provided with the steel casing the height direction of which is parallel to the steel pipe piles; and the diameter of the pile foundation steel casing is 280cm, and the steel casing is made by rolling an A3 steel plate with the thickness of 14mm. The construction technology of the platform ...

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Номер записи: 4