کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6770333 1431684 2018 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Seismic bearing capacity of non-uniform soil slopes using discretization-based kinematic analysis considering Rayleigh waves
ترجمه فارسی عنوان
ظرفیت باربری لرزه ای دامنه های غیر یکنواخت خاک با استفاده از تجزیه و تحلیل سینماتیک مبتنی بر تقسیم بندی با توجه به امواج ریلی
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات مهندسی ژئوتکنیک و زمین شناسی مهندسی
چکیده انگلیسی
This study aims to present a procedure for predicting the bearing capacity of a soil slope under seismic loading. The emphasis is on the variations of soil strength parameters. In order to account for soil profile with varying friction angles in the generation of a potential collapse mechanism, the discretization technique is introduced. The kinematically admissible failure surface is gradually formed by 'point-to-point' method. The modified pseudo-dynamic approach is employed to represent seismic accelerations and forces, with considerations to the Rayleigh wave apart from the primary and shear waves. The upper bound solution of limiting surcharge is formulated from the work rate-based balance equation. The results obtained from the discretization-based kinematic analysis are compared with those computed with the conventional upper bound analysis using the pseudo-static approach. In order to better understand the implication of non-uniform strength parameters on the ultimate bearing capacity and the extent of critical failure surface, a parametric study is carried out to encompass a range of spatial variations of soil strength parameters.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Soil Dynamics and Earthquake Engineering - Volume 109, June 2018, Pages 23-32
نویسندگان
, ,