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Structural Engineering and Mechanics Volume 86, Number 1, April10 2023 , pages 85-92 DOI: https://doi.org/10.12989/sem.2023.86.1.085 |
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Data-driven modeling of optimal intensity measure of soil-nailed wall structures |
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Massoumeh Bayat, Mahdi Bayat and Mahmoud Bayat
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| Abstract | ||
| This article examines the seismic vulnerability of soil nail wall structures. Detailed information regarding finite element modeling has been provided. The fragility function evaluates the relationship between ground motion intensities and the probability of surpassing a specific level of damage. The use of incremental dynamic analysis (IDA) has been applied to the soil nail wall against low to severe ground motions. In the nonlinear dynamic analysis of the soil nail wall, a set of twenty seismic ground motions with varying PGA ranges are used. The numerical results demonstrate that the soil-nailed wall reaction is extremely sensitive to earthquake ground vibrations under different intensity measures (IM). In addition, the analytical fragility curve is provided for various intensity values. | ||
| Key Words | ||
| data driven modeling; finite element modeling; nonlinear analysis; nonlinear time history analysis; optimal intensity measure | ||
| Address | ||
| Massoumeh Bayat: Department of Computer Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran; Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran Mahdi Bayat: Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran Mahmoud Bayat: Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran; Smart, Sustainable and Resilient Infrastructure (SSRI) Laboratory, Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA | ||