Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression
المؤلفون المشاركون
Zhang, Mingwei
Meng, Qingbin
Liu, Shengdong
المصدر
Advances in Materials Science and Engineering
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-16، 16ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-10-29
دولة النشر
مصر
عدد الصفحات
16
الملخص EN
To explore the influence of confining pressure on the energy evolution characteristics of loaded rocks, triaxial cyclic loading-unloading experiments on sandstones were carried out under 6 kinds of confining pressures using the axial loading and circumferential deforming control modes.
Total energy density, elastic energy density, and dissipated energy density absorbed by rock specimens under different confining pressures were obtained.
The confining pressure effect of the evolution process and distribution law in energy accumulation and dissipation was analyzed.
Energy conversion mechanism from rock deformation to failure was revealed, and energy conversion equations in different stress-strain stages were established.
The method of representing the rock energy accumulation, dissipation, and release behaviors by energy storage limit density, maximum dissipated energy density, and residual elastic energy density was established.
The rock showed that, with the increase of confining pressure, the characteristic energy density of rock increased in the power exponent form, and the energy storage limit density increased faster than the maximum dissipated energy density.
The greater the confining pressure was, the greater the proportion of elastic energy before peak was.
It is indicated that the confining pressure increased the energy inputting intensity, improved the energy accumulating efficiency, and inhibited the energy releasing degree.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhang, Mingwei& Meng, Qingbin& Liu, Shengdong. 2017. Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression. Advances in Materials Science and Engineering،Vol. 2017, no. 2017, pp.1-16.
https://search.emarefa.net/detail/BIM-1124249
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhang, Mingwei…[et al.]. Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression. Advances in Materials Science and Engineering No. 2017 (2017), pp.1-16.
https://search.emarefa.net/detail/BIM-1124249
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhang, Mingwei& Meng, Qingbin& Liu, Shengdong. Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression. Advances in Materials Science and Engineering. 2017. Vol. 2017, no. 2017, pp.1-16.
https://search.emarefa.net/detail/BIM-1124249
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1124249
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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