Fatigue Design and Prevention in Movable Scaffolding Systems
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BERD, Portugal; Portugal Faculty of Engineering of University of Porto, Portugal
Online publication date: 2017-06-26
Publication date: 2017-06-01
Civil and Environmental Engineering Reports 2017;25(2):77-88
The Movable Scaffolding System (MSS) is a heavy construction equipment used for casting situ of concrete bridge decks. In the past decades, MSSs have become increasingly complex and industrialized, enlarging its span ranges, incorporating auxiliary elevation machinery and increasing productivity. The tendency nowadays is for strong reutilization and the notion of MSS as a disposable or temporary structure is somehow reductive. The main structure of MSSs may be potentially exposed to fatigue, usually characterized by low number of cycles with significant stress amplitude. Fatigue may be prevented through adequate design; judicious selection of materials; demanding quality control and implementation of robust inspection and maintenance plans.
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