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Reseach on Resistance Capacity of Scaffolding
|摘要:||中 文 摘 要
Abstract The main topic of this paper is to study the resistance capacity of door-type scaffolding. The content of the study includes three items. The first one is to determine the basic resistance capacity in a fully-installed scaffolding system, the second one is to study the influence of the cross braces on the resistance capacity, and the third one is to study the influence of the lateral braces and the walking pedals on the resistance capacity. Scaffolding is simulated by 3-dimensional elements and analyzed using ANSYS software. The study leads to the following results: 1. Using cross braces on only one side, having side-sway at the top, and uninstalling any cross brace will decrease the resistance capacity. 2. It causes the minimum resistance capacity to uninstall the cross brace at the first story if restraints exist at the top. But uninstalling the cross braces at the top story leads to minimum resistance capacity if there is no restraint at the top. If the cross braces at the first and the second story are uninstalled at the same time, the resistance capacity will be even lower. 3. The walking pedal will increase the resistance capacity for scaffolding with cross braces on only one side. But, if the cross braces are on both sides, the resistance capacity cannot be increased by the existence of walking pedals. 4. The lateral braces will greatly increase the resistance capacity. With the walking pedals and the lateral braces at each row, the scaffolding can, instead, have cross braces on only one side without loss of resistance capacity. If the lateral braces are not possible installed at each row, it is suggested that they be installed alternately, and don't be on the same line.
|Appears in Collections:||土木工程學系所|
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