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Experimental Study on Noncoaxial Characteristics of Saturated Remolded Loess
المؤلفون المشاركون
Wang, Deng
Jiang, Xuemeng
Niu, Haoshuang
Huang, Wenpeng
Shang, Xuwen
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-08-24
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
In practical engineering, if the influence of noncoaxial stress and strain is not considered, part of soil deformation will be ignored, resulting in the structural design which is not safe enough.
A series of undrained tests was performed on remolded loess specimens using a hollow cylinder apparatus to examine the coupling between principal stress magnitude and direction in these specimens.
First, the elastic parameters of remolded loess were obtained, and these parameters were used as the basis for investigating the noncoaxiality of the soil body under principal stress axis rotation (PSAR).
The effects of elastic strain, intermediate principal stress coefficient, and magnitude of the deviatoric stress on the noncoaxiality of remolded loess were also investigated.
The results of these experiments show that remolded loess exhibits significant noncoaxial behavior during PSAR.
The noncoaxiality angle of remolded loess cyclically fluctuates with increases in the principal stress angle.
It was also observed that the noncoaxiality angle will be overestimated if the effects of elastic strain are overlooked.
Reversals in the direction of PSAR cause dramatic changes in the noncoaxiality angle.
Increases in the intermediate principal stress coefficient are accompanied by increases in the noncoaxiality angle, up to a certain degree; however, these changes do not affect the development of the noncoaxiality angle.
In coupled rotational tests with a range of deviatoric stress amplitudes, it was observed that changes in the deviatoric stress amplitude will affect the development of the noncoaxiality angle; increases in the deviatoric stress amplitude cause the noncoaxiality angle versus principle stress angle plot to shift to the left gradually, thus accelerating the trends of the noncoaxiality angle.
Increases in the cycle number also increase the noncoaxiality of remolded loess.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Jiang, Xuemeng& Niu, Haoshuang& Huang, Wenpeng& Shang, Xuwen& Wang, Deng. 2020. Experimental Study on Noncoaxial Characteristics of Saturated Remolded Loess. Advances in Civil Engineering،Vol. 2020, no. 2020, pp.1-10.
https://search.emarefa.net/detail/BIM-1124787
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Jiang, Xuemeng…[et al.]. Experimental Study on Noncoaxial Characteristics of Saturated Remolded Loess. Advances in Civil Engineering No. 2020 (2020), pp.1-10.
https://search.emarefa.net/detail/BIM-1124787
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Jiang, Xuemeng& Niu, Haoshuang& Huang, Wenpeng& Shang, Xuwen& Wang, Deng. Experimental Study on Noncoaxial Characteristics of Saturated Remolded Loess. Advances in Civil Engineering. 2020. Vol. 2020, no. 2020, pp.1-10.
https://search.emarefa.net/detail/BIM-1124787
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1124787
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