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RELATION BETWEEN DYNAMIC RESPONSE AND THE TRAFFIC COMFORT OF SOME FOOTBRIDGES ON PLATE GIRDERS

Suciu, M.; Nerisanu, R.; Dragan, D.
Abstract:
This paper presents several issues regarding the dynamic behaviour of the pedestrian footbridges structure under the action of general loads generated by the pedestrians’ displacement, together with the correlated traffic comfort of the pedestrians crossing the structure. The footbridge crossing comfort criterion requires the inclusion of vibration frequencies and accelerations of the structures in certain limits so that the vibration amplification or resonance is avoided. The paper puts under investigation six footbridges on steel or composite steel-concrete girders from the viewpoint of frequencies in vibration Mode 1 in a vertical plane, originated in their own weight (natural frequency) or from a partial loading, in the frame of traffic class III, as well as the resulting resonance risk and the traffic comfort, respectively.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
footbridges; traffic comfort; dynamic response; critical frequency and acceleration; practical analysis of footbridges
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM 2018
Book number:
6.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
681-688
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
02-08 July, 2018
ISBN:
978-619-7408-52-2
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
DOI:
10.5593/sgem2018/6.3/S27.088
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