Compression and Shear Fracture Analysis of Boundary Cracks Containing Water in Rock
المؤلفون المشاركون
Yang, Zhensheng
Li, Fulin
Ma, Tianran
المصدر
Advances in Materials Science and Engineering
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-07-20
دولة النشر
مصر
عدد الصفحات
13
الملخص EN
In order to conserve the water resource during underground mining, the fracture and mechanical properties of rock are important for the stability of water-resisting layers, especially for the fracture behavior of boundary cracks containing water in rock.
Considering the swelling of rock under water environment and the influence of water on rock, the stress intensity factors of modes I and II are derived for boundary cracks in rock under compressive and shear stresses.
The cracks are divided into the closed and open states.
The effects of the crack inclination angle, friction coefficient between crack surfaces, and initial crack length on stress intensity factors are also taken into account.
The stress intensity factors for closed and open boundary cracks are verified by numerical and physical experiments, respectively, and the deviation of the results is within 5%.
It is shown that pore pressure has different effects on the relationship between stress intensity factor and friction coefficient under different lateral pressures.
The effect of water on crack propagation is mainly due to the deterioration of the fracture toughness of the rock.
It is found that the critical coefficient λc is a key parameter to determine whether the boundary crack propagates in rock under compression-shear stress.
Further studies should be performed to apply the present fracture theory to rock mass or water-resisting layers.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Yang, Zhensheng& Li, Fulin& Ma, Tianran. 2020. Compression and Shear Fracture Analysis of Boundary Cracks Containing Water in Rock. Advances in Materials Science and Engineering،Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1128756
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Yang, Zhensheng…[et al.]. Compression and Shear Fracture Analysis of Boundary Cracks Containing Water in Rock. Advances in Materials Science and Engineering No. 2020 (2020), pp.1-13.
https://search.emarefa.net/detail/BIM-1128756
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Yang, Zhensheng& Li, Fulin& Ma, Tianran. Compression and Shear Fracture Analysis of Boundary Cracks Containing Water in Rock. Advances in Materials Science and Engineering. 2020. Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1128756
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1128756
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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