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Design of movable scaffolding systems for seismic events – A practical case

 Design of movable scaffolding systems for seismic events – A practical case
Autor(en): , , , ,
Beitrag für IABSE Congress: Resilient technologies for sustainable infrastructure, Christchurch, New Zealand, 3-5 February 2021, veröffentlicht in , S. 1239-1246
DOI: 10.2749/christchurch.2021.1239
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It is a common request for Movable Scaffolding Systems (MSS) to be designed to withstand wind loads, despite the site location. In contrast, seismic events aren’t frequently considered while design...
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Bibliografische Angaben

Autor(en): (BERD S.A., Faculty of Engineering of Porto University, Porto, Portugal)
(BERD S.A., Faculty of Engineering of Porto University, Porto, Portugal)
(BERD S.A., Matosinhos, Portugal)
(BERD S.A., Matosinhos, Portugal)
(BERD S.A., Matosinhos, Portugal)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Resilient technologies for sustainable infrastructure, Christchurch, New Zealand, 3-5 February 2021
Veröffentlicht in:
Seite(n): 1239-1246 Anzahl der Seiten (im PDF): 8
Seite(n): 1239-1246
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/christchurch.2021.1239
Abstrakt:

It is a common request for Movable Scaffolding Systems (MSS) to be designed to withstand wind loads, despite the site location. In contrast, seismic events aren’t frequently considered while designing an MSS. Unlike wind loading, seismic events are very rare and with characteristics difficult to predict – therefore, the concept of operational limits or emergency safety devices is not applicable. In case of bridges located in hazardous seismic zones, seismic events should be taken into account while designing the MSS. The most critical phase is the concrete pouring stage, in which the mass is maximum. In this stage, vibration frequencies are largely dependent from the MSS type (overhead or underslung) and the MSS support configuration. This paper is focused on MSS design to withstand seismic events. Considerations on load evaluation, combination criteria and design options are given, based on a practical case.

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