Performance-Based Earthquake Engineering of Pile-Supported Wharf Structures as Seen Through Incremental Dynamic Analysis
سال انتشار: 1395
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 465
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شناسه ملی سند علمی:
ICOPMAS12_030
تاریخ نمایه سازی: 30 دی 1397
چکیده مقاله:
This study develops the practical application of Incremental Dynamic Analysis (IDA) to pile-supported wharves regarding to Performance-Based earthquake engineering goals. 7th Street terminal at the Port of Oakland (POOAK) was selected as typical wharf structure with batter piles. FLAC2D was used to numerical modeling and performing required analyses. Spectral acceleration (Sa) and displacement ductility factor (μ) were the chosen intensity measure and seismic performance indicator, respectively.IDA was performed by choosing 8 earthquake records (see Table 1); applying advanced hunt & fill algorithm and using interpolation and summarization techniques to estimate the probability distribution of the structural demand given the seismic intensity. The bounds of damage states were quantified according to PIANC to calculate the corresponding capacities. The results can be integrated with Probabilistic Seismic Hazard Analysis (PSHA) to estimate mean annual frequencies of limit-state exceeding and seismic vulnerability assessment of these structures. The cross section profile of the selected wharf and FLAC numerical model are presented in Figure 1 and Figure 2 respectively.
نویسندگان
Hamid Heidary-Torkamani
Ph.D. Student, Civil Engineering Department, University of Tehran, Tehran, Iran,
Rouhollah Amirabadi
Associate Professor, Faculty Member of Civil Engineering Department, University of Qom, Qom, Iran