Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Investigation of seismic response amplification effects of diverse multi-support earthquake excitations on cable-stayed bridges
https://orcid.org/0000-0003-1387-4738
https://orcid.org/0000-0002-2756-1671
https://orcid.org/0000-0002-3922-0145
This study addresses the critical need to understand the seismic behavior of cable-stayed bridges under Multi-Support Excitation (MSE) in order to mitigate earthquake-induced damage to these structures. The primary focus is on the investigation of response amplification phenomena and their seismic implications for cable-stayed bridges. Through a detailed comparative analysis of MSE and Synchronous Excitation (SE) across various structural locations, the study evaluates the impact of site-specific recorded ground motions of different earthquake categories. A pragmatic framework is developed to simulate realistic MSE ground motions for diverse earthquake scenarios, emphasizing the necessity of considering MSE in bridge design. The findings reveal a significant amplification of the design requirements due to antisymmetric mode excitation and increased tower and pier motions. The study also identified the need for in-depth analysis of cable-stayed bridges to address the increased vulnerability of tower-adjacent areas and to devise targeted reinforcement strategies of vulnerable components. These insights are critical for advancing seismic design practices and improving the resilience of cable-stayed bridges, contributing to safer urban infrastructure.
Investigation of seismic response amplification effects of diverse multi-support earthquake excitations on cable-stayed bridges
https://orcid.org/0000-0003-1387-4738
https://orcid.org/0000-0002-2756-1671
https://orcid.org/0000-0002-3922-0145
This study addresses the critical need to understand the seismic behavior of cable-stayed bridges under Multi-Support Excitation (MSE) in order to mitigate earthquake-induced damage to these structures. The primary focus is on the investigation of response amplification phenomena and their seismic implications for cable-stayed bridges. Through a detailed comparative analysis of MSE and Synchronous Excitation (SE) across various structural locations, the study evaluates the impact of site-specific recorded ground motions of different earthquake categories. A pragmatic framework is developed to simulate realistic MSE ground motions for diverse earthquake scenarios, emphasizing the necessity of considering MSE in bridge design. The findings reveal a significant amplification of the design requirements due to antisymmetric mode excitation and increased tower and pier motions. The study also identified the need for in-depth analysis of cable-stayed bridges to address the increased vulnerability of tower-adjacent areas and to devise targeted reinforcement strategies of vulnerable components. These insights are critical for advancing seismic design practices and improving the resilience of cable-stayed bridges, contributing to safer urban infrastructure.
Investigation of seismic response amplification effects of diverse multi-support earthquake excitations on cable-stayed bridges
https://orcid.org/0000-0003-1387-4738
https://orcid.org/0000-0002-2756-1671
https://orcid.org/0000-0002-3922-0145
This study addresses the critical need to understand the seismic behavior of cable-stayed bridges under Multi-Support Excitation (MSE) in order to mitigate earthquake-induced damage to these structures. The primary focus is on the investigation of response amplification phenomena and their seismic implications for cable-stayed bridges. Through a detailed comparative analysis of MSE and Synchronous Excitation (SE) across various structural locations, the study evaluates the impact of site-specific recorded ground motions of different earthquake categories. A pragmatic framework is developed to simulate realistic MSE ground motions for diverse earthquake scenarios, emphasizing the necessity of considering MSE in bridge design. The findings reveal a significant amplification of the design requirements due to antisymmetric mode excitation and increased tower and pier motions. The study also identified the need for in-depth analysis of cable-stayed bridges to address the increased vulnerability of tower-adjacent areas and to devise targeted reinforcement strategies of vulnerable components. These insights are critical for advancing seismic design practices and improving the resilience of cable-stayed bridges, contributing to safer urban infrastructure.
Investigation of seismic response amplification effects of diverse multi-support earthquake excitations on cable-stayed bridges
Nagayama, Tomonori (Autor:in) / Xia, Yong (Autor:in) / Sun, Limin (Autor:in) / Waqas, Hafiz Ahmed (Autor:in) / Su, Di (Autor:in) / Nagayama, Tomonori (Autor:in)
Advances in Structural Engineering ; 27 ; 2843-2863
01.12.2024
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Study on the seismic response of cable-stayed bridges with multi-support excitations
| British Library Online Contents | 2009
Seismic response of cable stayed bridges under multi support excitation
| DOAJ | 2017
Seismic Response Analysis of Cable-Stayed Bridges
| British Library Conference Proceedings | 2012
Seismic Response Analysis of Cable-Stayed Bridges
| Tema Archiv | 2012