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Experimental Study on Mechanical and Acoustic Emission Characteristics of Rock Samples under Different Stress Paths
المؤلفون المشاركون
Zhang, Junwen
Zhenwen, Liu
Gang, Liu
Qin, Tao
Sun, Hongru
Liu, Heng
Li, Tao
المصدر
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-02-13
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
A series of tests on characteristics of acoustic emission have been performed on sandstone under uniaxial, conventional, and triaxial conditions and the unloading confining pressure path.
The failure mode of rock specimen has been scanned by CT and a three-dimensional reconstruction was made.
The differences on characteristics of AE, mechanics, and the failure mode of sandstone during the failure process under three paths are studied.
The results show that the deformation of rock specimen is bigger, and axial strain and circumferential strain have a deformation platform at peak point of stress under the unloading confining pressure path.
Characteristics of AE ringing are significantly affected by the confining pressure and stress path.
AE ringing counts peak value, and accumulative ringing on the breaking moment as well as cumulative release energy is higher, which indicates that the rock failure is more violent under the unloading confining pressure path.
The failure mode of rock specimen was dominated by shear failure under the conventional triaxial stress path.
The tension failure is the main form at a lower initial value of unloading confining pressure, and the shear failure is more prominent at a higher initial value of unloading confining pressure.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Qin, Tao& Sun, Hongru& Liu, Heng& Zhang, Junwen& Li, Tao& Gang, Liu…[et al.]. 2018. Experimental Study on Mechanical and Acoustic Emission Characteristics of Rock Samples under Different Stress Paths. Shock and Vibration،Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1215278
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Qin, Tao…[et al.]. Experimental Study on Mechanical and Acoustic Emission Characteristics of Rock Samples under Different Stress Paths. Shock and Vibration No. 2018 (2018), pp.1-9.
https://search.emarefa.net/detail/BIM-1215278
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Qin, Tao& Sun, Hongru& Liu, Heng& Zhang, Junwen& Li, Tao& Gang, Liu…[et al.]. Experimental Study on Mechanical and Acoustic Emission Characteristics of Rock Samples under Different Stress Paths. Shock and Vibration. 2018. Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1215278
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1215278
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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