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Effects of Higher Modes on Tall Piers

Effects of Higher Modes on Tall Piers
Auteur(s): , ,
Présenté pendant IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016, publié dans , pp. 136-143
DOI: 10.2749/222137816819258348
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To get adapt to the rugged topography, lots of bridges with tall piers have been constructed in west China. Because of large self-mass and long fundamental period, the failure progress of tall piers...
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Détails bibliographiques

Auteur(s):


Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016
Publié dans:
Page(s): 136-143 Nombre total de pages (du PDF): 8
Page(s): 136-143
Nombre total de pages (du PDF): 8
Année: 2016
DOI: 10.2749/222137816819258348
Abstrait: To get adapt to the rugged topography, lots of bridges with tall piers have been constructed in west China. Because of large self-mass and long fundamental period, the failure progress of tall piers under excitation of earthquake records was significantly influenced by their higher modes. Considering the contribution from higher modes, presented paper investigated the damage and failure progress of tall piers using incremental dynamic analysis method. The results showed that with contribution of higher modes of piers, multiple plastic zones could form along pier height under strong earthquake; if current displacement based and capacity protective method were applied to tall piers, large errors would be led to.