命题考点二十一 玻璃幕墙工程施工方法和技术要求(The construction method and technical requirements of the twenty-first glass curtain wall).doc
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命题考点二十一 玻璃幕墙工程施工方法和技术要求(The construction method and technical requirements of the twenty-first glass curtain wall)
命题考点二十一 玻璃幕墙工程施工方法和技术要求(The construction method and technical requirements of the twenty-first glass curtain wall)
Construction technology of 1a413,000 construction engineering
1 a413000 construction engineering construction technology chapter test online estimation
The construction method and technical requirements of the twenty-first glass curtain wall
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[textbook interpretation]
Installation of component glass curtain wall
Vertical installation
(1) the column can be made of aluminum alloy profiles or steel profiles. The thickness of the opening part of the aluminum alloy section should not be less than 3.0mm.
The thickness of the closed part shall not be less than 2.5mm; The thickness of the force part of the section of steel section should not be less than 3.0mm.
(2) the aluminum alloy column is usually one floor high as a whole, the joint should have a certain gap, and each one will connect through the movable joint. When two fulcrum is set at each floor, it is generally appropriate to design the tensile member, which is not designed to be subjected to compression. The upper branch is suitable for the circular hole, the hinge points are suspended at the upper end and the long round hole or elliptical hole is used to connect the lower end to form the suspended stress state.
(3) in order to prevent the influence of accidental factors, the connection is damaged, and the stress bolts at each connection part need to be arranged at least two. Bolt diameter shall not be less than 10mm.
(4) between the upper and lower columns, there should be a gap of no less than 15mm. The closed profile can be connected with a core-column with a length of not less than 250mm, and the core-column should be closely matched with the upright column. A stainless steel bolt connection between the column and the upper column or the lower column. The open section can be use
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