Seismic Risk Assessment of a Novel Bridge-Aqueduct Cobuilt Structure
Publication: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
Volume 8, Issue 3
Abstract
A seismic risk assessment is a guarantee to keep the integrity of the infrastructure under an uncertain earthquake action. This paper carried out seismic risk assessment of a novel bridge-aqueduct cobuilt structure (BACS) under uncertain parameters, and the vulnerability was evaluated by the fragility of the pier and waterproof plate. The drift rate of the pier and the crack width ratio of the waterproof plate were defined as the damage index of the fragility curves. A back propagation (BP) neural network model was constructed, and the fragility data of the two simulated components were grouped into training and testing. The average deviation of the two models was within 5%, which can provide a methodology for BACS seismic risk assessment under other conditions.
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Data Availability Statement
All data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The research was supported by National Natural Science Foundation of China (Grant No. 51908422) and Elite Scholar Program of Northwest A&F University (Grant No. Z111022001).
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Information & Authors
Information
Published In
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
Volume 8 • Issue 3 • September 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Dec 8, 2021
Accepted: Mar 3, 2022
Published online: Apr 27, 2022
Published in print: Sep 1, 2022
Discussion open until: Sep 27, 2022
ASCE Technical Topics:
- Artificial intelligence and machine learning
- Bridge tests
- Computer programming
- Computing in civil engineering
- Earthquake engineering
- Earthquake resistant structures
- Engineering fundamentals
- Field tests
- Geotechnical engineering
- Hydraulic engineering
- Hydraulic structures
- Infrastructure
- Infrastructure vulnerability
- Neural networks
- Piers
- Plates
- Ports and harbors
- Seismic effects
- Seismic tests
- Structural engineering
- Structural members
- Structural systems
- Tests (by type)
- Water and water resources
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