The Influence of Plasticity Index on the Dynamic Soil Behavior
سال انتشار: 1396
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 586
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شناسه ملی سند علمی:
CCIVIL02_049
تاریخ نمایه سازی: 29 مهر 1396
چکیده مقاله:
Dynamic soil properties such as shear modulus and damping are the most prominent factors of amplificationphenomenon during earthquakes. The shear modulus degradation and damping ratio curves have beendeveloped based on the nonlinearity soil from hysteresis loops. Plasticity index and Effective confining pressureare governing factors that affect the nonlinearity soil behavior. In this paper, the shear modulus degradation anddamping ratio curves were derived from the two cases. The first of them was based on only effective confiningpressure, whereas the second case was based on plasticity index and effective confining pressure. The equivalentlinear method was implemented for the site response analyses of these two models. The results of this studyillustrated the influence of the plasticity index on the soil shear strength and the site response.
کلیدواژه ها:
نویسندگان
Mahdy Khari
Assistant Professor, Department of Civil Engineering East Tehran Branch,Islamic Azad University, Tehran, Iran
Hossein Moayedi
Assistant Professor, Department of Civil Engineering, Kermanshah University of Technology, Kermanshah,Iran
Majid Khari
Master Student, Department of Civil Engineering Semnan Branch,Islamic Azad University, Semnan, Iran