کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10997951 | 1362954 | 2018 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Role of soil inherent anisotropy in peak friction and maximum dilation angles of four sand-geosynthetic interfaces
ترجمه فارسی عنوان
نقش ناهمسانگرد ذاتی خاک در اصطکاک حداکثر و حداکثر زاویه دیلاتسی از چهار رابط مصالح ژئوسنتزی شن و ماسه
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کلمات کلیدی
ژئوسنتتیک، شن، بی عیب و نقص ذاتی، رابط، برش مستقیم، اصطکاک، انحطاط،
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
مهندسی ژئوتکنیک و زمین شناسی مهندسی
چکیده انگلیسی
Using a modified direct shear apparatus, an extensive experimental investigation is conducted into the influence of the inherent anisotropy of sand on the mobilization of the peak and critical state friction angles as well as the maximum dilation angle of the interfaces between an inherently anisotropic crushed sand and two woven geotextiles, one nonwoven geotextile, and one geomembrane. Experimental findings confirm that both peak and maximum dilation angles of sand-geosynthetic interfaces are affected from soil inherent anisotropy depending on the bedding plane inclination with respect to the shear plane. However, a unique critical state (residual) friction angle is attained for each interface type irrespective of the bedding plane inclination angle. Compiling results of a total of 141 tests, it is shown that a unique rule describes stress-dilation relationship of four different dense crushed sand-geosynthetic interfaces. The experimental data indicate that the Ïp vs. θ and Ïmax vs. θ curves are symmetrical with respect to θâ¯=â¯90° for the sand-woven geotextile and sand-geomembrane interfaces. Finally, it is shown that a constitutive equation by Pietruszczak and Mroz (2001) can predict the variation of Ïp with θ for the sand-woven geotextile and sand-geomembrane interfaces.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Geotextiles and Geomembranes - Volume 46, Issue 6, December 2018, Pages 869-881
Journal: Geotextiles and Geomembranes - Volume 46, Issue 6, December 2018, Pages 869-881
نویسندگان
Aliyeh Afzali-Nejad, Ali Lashkari, Benyamin Farhadi,