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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 2. Отображено 2.
07-04-2023 дата публикации

Assembly type combined bridge deck slab integrating mixed connection of perforated steel plates and welding studs

Номер: CN115928572A
Автор: CHEN FENGMIN, LIU XIAOHUI, XIONG YANG, PENG HONGLIN, HU XUHUI, XIE XIAOHUA, YING LI
Принадлежит:

The invention relates to an assembly type combined bridge deck integrating mixed connection of perforated steel plates and welding studs. The assembly type combined bridge deck comprises a bottom steel plate and connecting pieces. The bottom steel plate comprises a middle bottom steel plate and a cantilever bottom steel plate which are adjacently arranged, and the middle bottom steel plate and the cantilever bottom steel plate serve as bottom formworks for pouring a concrete layer; the middle bottom steel plate and the cantilever bottom steel plate are connected into a whole through L-shaped angle steel, the two ends of the L-shaped angle steel are connected with the middle bottom steel plate and the cantilever bottom steel plate in a welded mode respectively, and the middle position of the L-shaped angle steel is connected with the steel girder top plate through high-strength bolts. According to the assembly type combined bridge deck integrating mixed connection of the perforated steel ...

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Номер записи: 1
18-04-2023 дата публикации

Fabricated airtight combined narrow steel box girder

Номер: CN115976928A
Автор: CHEN FENGMIN, ZHONG YUN, HU XUHUI, ZHENG SHENGBAO, XIE XIAOHUA, XIONG YANG, DENG YAO
Принадлежит:

The invention relates to an assembly type airtight combined narrow steel box girder which comprises at least two adjacent steel boxes arranged at intervals, a span cross beam is detachably arranged between the adjacent steel boxes, and the span cross beam is used for connecting the adjacent steel boxes; the steel box comprises a top plate and a bottom plate which is vertically opposite to the top plate, two web plates are arranged between the top plate and the bottom plate at intervals, a complete closed box body structure is formed through the top plate, the bottom plate and the two web plates which are arranged at intervals, and the crotch cross beam is connected with the web plates. According to the assembly type airtight combined narrow steel box girder, the convenience of the steel box in the transportation process is greatly improved by transporting the steel box in sections and batches, in addition, the steel box is designed to be of an assembly type box body structure with the top ...

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Номер записи: 2