A comparative study in reliability analysis of liquefaction potential of layered soil
سال انتشار: 1399
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 370
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شناسه ملی سند علمی:
ICDU01_100
تاریخ نمایه سازی: 15 مهر 1399
چکیده مقاله:
Soil liquefaction during earthquakes has always received considerableattention in the literature. The inherent variability of the soilparameters which affect liquefaction potential dictates that theproblem is probabilistic rather than being deterministic. In thisresearch, the Monte Carlo Simulation (MCS) is used for comparingthe reliability indices of liquefaction potential based on fourdifferent methods, namely, the triaxial test, the Standard PenetrationTest (SPT), Cone Penetration Test (CPT) and shear wave velocity.The selected stochastic parameters are corrected SPT blow count,saturated unit weight, shear wave velocity, and correlated CPT tipresistance which are modeled using truncated normal probabilitydistribution functions. In this way, earthquake magnitude isconsidered to has an exponential probability distribution function.As a result, the Probability Density Function (PDF) of the liquefaction factor of safety (FS) based on SPT, CPT, site shearwave velocity, and triaxial test are compared to each other. It showsthat the triaxial test is more reliable than other methods.
کلیدواژه ها:
نویسندگان
Ali Johari
Associate professor of civil & environmental engineering Dept., Shiraz University of Technology
Hosein Rahnema
Assistant professor of civil & environmental engineering Dept., Shiraz University of Technology
Ahmad Feilinejad
Master's student of civil & environmental engineering Dept., Shiraz University of Technology
Ali Fotovat
Master's student of civil & environmental engineering Dept., Shiraz University of Technology