Assessing the Seismic Resilience of a Reinforced Concrete Bridge in Sibu, Sarawak: A Finite Element Analysis Approach
Journal Title: Acadlore Transactions on Geosciences - Year 2023, Vol 2, Issue 4
Abstract
In the realm of civil engineering and structural analysis, the seismic resilience of infrastructure remains a critical area of research. This study delineates the seismic response assessment of a reinforced concrete bridge situated in Sibu, Sarawak, through the lens of finite element analysis (FEA). Embracing the robust capabilities of FEA, a comprehensive model of the reinforced concrete bridge is developed, enabling the simulation of its response to seismic forces. Notably, the seismic loading conditions are derived from the Chi-Chi earthquake time history data, a choice informed by the earthquake's significance in seismic research and the richness of its data, rather than its direct seismic comparability to Sarawak. The FEA, conducted using the Abaqus/CAE 6.14 software, meticulously models the bridge, incorporating varying peak ground acceleration (PGA) values of 0.10g, 0.20g, 0.50g, and 1.00g. Key structural response parameters, including maximum principal stress, acceleration, and displacement, are systematically extracted and analyzed. This meticulous approach uncovers the material resilience of the bridge, even under extreme seismic forces exemplified by a PGA of 1.00g. The integrative analysis, encompassing both static pushover and dynamic time history analyses, elucidates the structural integrity and performance of the reinforced concrete bridge in the face of seismic challenges. The findings not only contribute to the understanding of seismic impacts on reinforced concrete bridges but also pave the way for enhancing seismic design and resilience strategies in structural engineering.
Authors and Affiliations
Linghou Jiun
Keywords
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- EP ID EP732849
- DOI 10.56578/atg020405
- Views 47
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