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۱AN EXPERIMENTAL STUDY CONCERNING THE EFFECTS OF NON PLASTIC FINE AND PHYSICAL PARAMETERS ON THE LIQUEFACTION RESISTANCE
نویسنده(ها): ، ، ،
اطلاعات انتشار: ششمین کنفرانس بین المللی زلزله شناسی و مهندسی زلزله، سال
تعداد صفحات: ۸
For sand mixed with non–plastic fine, the void ratio related to sand grains ( ) plays a more important role in comparison with the total void ratio, where soil liquefaction resistance will be improved due to increase in FC at the constant . In spite of this fact, the recent works indicate that is unable to show perfectly the role of the non–plastic fines that are in voids between sand grains. For this reason, an equivalent void ratio has been defined that takes into account the non–plastic fine participation ratio in the soil bearing skeleton. In the present work, the generality of the expression of is verified. For this, a set of static undrained triaxial tests were performed. The results of tests indicate that, the undrained behavior of a given sand mixed with different percentages of non–plastic fine can be described by . But if the grading curves of sand change, we can not find a logic retention between and undrained resistance of soil, unless the physical and mechanical characteristics of soil are well introduced in expression of .<\div>
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