Abstract
AbstractIn this paper, we discuss the design and calculation methods of integral‐lift scaffolds under condition of operating, climbing up/down and falling. Dead loads, construction live loads and wind loads for integral‐lift scaffolds are given in this paper. The key factors such as additional load factor κ are introduced and defined for recommendation as well. Load and resistance factor design method based on probability theory is introduced for the design of the main load‐bearing structures. Herein, the additional partial safety factor of material strength γ′m is introduced specifically for scaffolding frames which are often frequently reused under poor outdoor conditions. Some important checking methods proposed specifically for integral‐lift scaffolds such as checking of anti‐slide strength of couplers and anti‐overturning analyses are also presented. Meanwhile, allowable strength design method is suggested in the design of the lifting equipments, suspending rods and slings. The proposed methods in this paper will be useful guidelines for safe design of integral‐lift scaffolds. Copyright © 2010 John Wiley & Sons, Ltd.
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