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KRATOCHVÍL, O. MARTINÁSEK, J.
Originální název
Dynamická analýza mostní konstrukce zatížené pohybem osob s důrazem na vodorovné zatížení
Anglický název
Bridge analysis structure under human induced danamic load with an emphasis on the horizontal load
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
čeština
Originální abstrakt
The paper deals with the analysis of the dynamic response of footbridges under human – induced dynamic loads. This is a frequently occurring and often dominant load for footbridges as it stems from the very purpose of a footbridge – to convey pedestrian. Due to the emergence of new materials and advanced engineering technology, slender footbridges are increasingly becoming popular to satisfy the modern transportation Leeds and the aesthetical requirements of the society. These structures however are always lively with low stiffness, low mass, low damping and low natural frequencies. As a consequence, they are prone to vibration induced by human activities and can suffer severe vibration serviceability problems, particularly in the lateral direction. Pedestrian bridges are designed according to first and second limit states, these are the criteria involved in response to static design load. However, it is necessary to assess the dynamic response of bridge design load on pedestrians and assess it impact on the comfort of the user movement. Usually the load is considered a person or a small group which can be assumed in perfect motion synchronization. Already one person or small group can excite significant vibration of the deck. In order to calculate the dynamic response to the movement of people, designer needs available and suitable computational model and criteria. For the calculation program ANSYS based on finite element method was used.
Anglický abstrakt
Klíčová slova
anylýza, mostní konstrukce, pohyb osob, vodorovné zatížení
Klíčová slova v angličtině
Footbridge, dynamic analysis, vibration serviceability of footbridges, lateral vibration, stiffness, dynamic force, walking force, slender suspension footbridges, natural frequencies and vibration modes, rhythm jumping, normal walking.
Autoři
KRATOCHVÍL, O.; MARTINÁSEK, J.
Rok RIV
2012
Vydáno
26. 1. 2012
Místo
Brno, Česká republika
ISBN
978-80-214-4393-8
Kniha
Juniorstv 2012
Strany od
1
Strany do
8
Strany počet
BibTex
@inproceedings{BUT98436, author="Ondřej {Kratochvíl} and Josef {Martinásek}", title="Dynamická analýza mostní konstrukce zatížené pohybem osob s důrazem na vodorovné zatížení", booktitle="Juniorstv 2012", year="2012", pages="1--8", address="Brno, Česká republika", isbn="978-80-214-4393-8" }