A New Rock Joint Generation Method and Its Verification in PFC2D
المؤلفون المشاركون
Tan, Cai
Li, Lielie
Xiao, Mingli
المصدر
Advances in Materials Science and Engineering
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-16، 16ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-06-25
دولة النشر
مصر
عدد الصفحات
16
الملخص EN
The first part of this paper presents the major drawbacks of the traditional methods for generating joints in Particle Flow Code 2D (PFC2D).
Violent oscillations in the postpeak shear stress and shear-induced dilation in the normal direction occur in specimens generated by directly removing bonds in joints and using the discrete fracture network (DFN) method.
The specimens generated by the additional wall method can be used to simulate realistic shear mechanical properties in the direct shear test, but it is difficult to achieve a uniform initial stress distribution within the specimen due to the constraint of particle motion.
The second part of this paper explores an improved method to generate realistic joints based on the particle grouping technique and the smooth joint model, and the validity of this method is verified by a set of numerical direct shear tests.
The numerical results show that the proposed joint generation method can effectively eliminate the oscillation of the postpeak shear stress and shear-induced dilation in the normal direction.
In addition, the mechanical behaviours of the rough jointed rock mass correspond well with the theoretical results obtained from Patton’s and Barton’s models.
The proposed model can also simulate the asperity degradation of rough jointed rock masses.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Li, Lielie& Xiao, Mingli& Tan, Cai. 2018. A New Rock Joint Generation Method and Its Verification in PFC2D. Advances in Materials Science and Engineering،Vol. 2018, no. 2018, pp.1-16.
https://search.emarefa.net/detail/BIM-1120560
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Li, Lielie…[et al.]. A New Rock Joint Generation Method and Its Verification in PFC2D. Advances in Materials Science and Engineering No. 2018 (2018), pp.1-16.
https://search.emarefa.net/detail/BIM-1120560
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Li, Lielie& Xiao, Mingli& Tan, Cai. A New Rock Joint Generation Method and Its Verification in PFC2D. Advances in Materials Science and Engineering. 2018. Vol. 2018, no. 2018, pp.1-16.
https://search.emarefa.net/detail/BIM-1120560
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1120560
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر