Behavior of FRP Retrofitted Bridge Timber Piles under Earthquake and Tsunami Loading
Although extensive research efforts have focused on the design and response of structures under isolated earthquake loading or tsunami inundation, very few studies have considered their combined effect. Moreover, very little research has been conducted on heavy timber structures such as timber pile bridges. This study focuses on the performance of timber pile bridge substructure retrofitted with fiber reinforced polymer (FRP) composites subjected to earthquake-tsunami hazard events. Due to their simplified design, and susceptibility to deterioration, timber pile bridges may not have the capacity to resist extreme loads. FRP composites have become a popular material for structural retrofits due to their high strength, versatility, and because they do not corrode. Experimental studies have shown FRP composites can significantly improve the strength and stiffness of timber piles. In this study, the multi-hazard analyses are performed using the Open System for Earthquake Engineering Simulations (OpenSees) framework. Recently, OpenSees was extended to solve fluid-structure interaction (FSI) problems using the particle finite element method (PFEM). This new capability is used to simulate the tsunami loading. The goal of this study was to develop a multi-hazard interaction diagram to evaluate the impact of timber deterioration, and the level of FRP retrofit on the performance of the structure. The interaction diagram provides a useful means for engineers to estimate the performance of a structure and can be used to aid in repair decision-making.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/9780784480403
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Supplemental Notes:
- © 2017 American Society of Civil Engineers.
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Corporate Authors:
American Society of Civil Engineers
1801 Alexander Bell Drive
Reston, VA United States 20191-4400 -
Authors:
- Kim, Kun-Ho Eugene
- Andrawes, Bassem
- Duarte, C A
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Conference:
- Structures Congress 2017
- Location: Denver Colorado, United States
- Date: 2017-4-6 to 2017-4-8
- Publication Date: 2017
Language
- English
Media Info
- Media Type: Web
- Features: References;
- Monograph Title: Structures Congress 2017: Bridges and Transportation Structures
Subject/Index Terms
- TRT Terms: Earthquakes; Fiber reinforced polymers; Finite element method; Hazard analysis; Loads; Mechanics; Retrofitting; Simulation; Support piles; Tsunamis; Wooden bridges
- Identifier Terms: Open System for Earthquake Engineering Simulation (OpenSees)
- Uncontrolled Terms: Fluid structure interaction
- Subject Areas: Bridges and other structures; Environment; Highways; Maintenance and Preservation; Safety and Human Factors;
Filing Info
- Accession Number: 01687449
- Record Type: Publication
- ISBN: 9780784480403
- Files: TRIS, ASCE
- Created Date: Nov 30 2018 5:04PM