عنوان
پدید آورنده
موضوع
رده
کتابخانه
محل استقرار
شماره کتابشناسی ملی
شماره
TLpq2448639641
زبان اثر
زبان متن نوشتاري يا گفتاري و مانند آن
انگلیسی
عنوان و نام پديدآور
عنوان اصلي
Dynamic Performance of Partially Saturated and Unsaturated Soils
نام عام مواد
[Thesis]
نام نخستين پديدآور
Mousavi, Sayedmasoud
نام ساير پديدآوران
Ghayoomi, Majid
وضعیت نشر و پخش و غیره
نام ناشر، پخش کننده و غيره
University of New Hampshire
تاریخ نشرو بخش و غیره
2020
مشخصات ظاهری
نام خاص و کميت اثر
222
یادداشتهای مربوط به پایان نامه ها
جزئيات پايان نامه و نوع درجه آن
Ph.D.
کسي که مدرک را اعطا کرده
University of New Hampshire
امتياز متن
2020
یادداشتهای مربوط به خلاصه یا چکیده
متن يادداشت
The vast majority of surface structures are located on or surrounded by unsaturated and partially saturated soil deposits. Previous studies revealed that degree of saturation in soils can significantly impact the seismic performance of geotechnical systems. Yet, the fundamental understanding of the mechanisms by which the degree of saturation impacts their performance during seismic loading is not mature. This Ph.D. dissertation aimed to evaluate and characterize the dynamic response of soils including excess pore pressure generation, induced volumetric deformation, shear modulus, and material damping at different states of saturation and a wide range of degrees of saturation. Three different desaturation methods, including Microbial Induced Partial Saturation (MIPS), wet-compaction, and tensiometric suction control techniques were used to evaluate the impact of state of saturation, saturation level, and the path to reach that level on the dynamic properties and performance of sands containing variable non-plastic fines. Results from this study indicated that MIPS treatment of soil specimens, even with a small reduction in degree of saturation, can result in a significant reduction in the excess pore pressure generation. Experimental data suggested a meaningful impact of the state of saturation and desaturation technique on dynamic response of tested specimens. On the basis of experimental data and theoretical considerations, semi-empirical models were developed to estimate the excess pore pressure generation and volumetric deformation in sand and silty sands under unsaturated and partially saturated states. The comparison of experimental measurements as well as available data in literature showed the suitability of the developed models to capture the trends in dynamic soil response with the degree of saturation.
موضوع (اسم عام یاعبارت اسمی عام)
موضوع مستند نشده
Civil engineering
موضوع مستند نشده
Environmental engineering
موضوع مستند نشده
Geological engineering
نام شخص به منزله سر شناسه - (مسئولیت معنوی درجه اول )
مستند نام اشخاص تاييد نشده
Ghayoomi, Majid
مستند نام اشخاص تاييد نشده
Mousavi, Sayedmasoud
دسترسی و محل الکترونیکی
نام الکترونيکي
مطالعه متن کتاب وضعیت انتشار
فرمت انتشار
p
اطلاعات رکورد کتابشناسی
نوع ماده
[Thesis]
کد کاربرگه
276903
اطلاعات دسترسی رکورد
سطح دسترسي
a
تكميل شده
Y
