Rockburst Occurrence Mechanism Based on the Self-Sustaining Time-Varying Structure of Surrounding Rock
المؤلفون المشاركون
Wu, Qiuhong
Zhao, Fujun
Fan, Baojie
Wang, Bin
Zhang, Zongtang
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-10-27
دولة النشر
مصر
عدد الصفحات
13
التخصصات الرئيسية
الملخص EN
Rockburst is one of the major disasters that threaten the safety of personnel and equipment underground and affect the normal production of the system.
At present, there are many kinds of research on rockburst occurrence mechanisms, but most of them are based on statics and do not consider the time-varying effect of surrounding rock state.
Regarding the stress state and characteristics changing with time of the surrounding rock support structure and the internal parameters after the tunnel excavation is analyzed qualitatively in this paper, the concept of the “self-sustaining time-varying structure of the surrounding rock” is put forward.
The “self-sustaining time-varying structure of the surrounding rock” is regarded as a nonperiodic time-varying system with a single degree of freedom, then its dynamic characteristics are analyzed by using the momentum theorem of the particle system.
The results show that when the mass of the self-sustaining time-varying structure changes with time and dm/dt<0, the rockburst may be induced by the free vibration with increasing amplitude.
The faster the dm/dt changes, the more violent the rockburst is.
This explains the rockburst occurrence mechanism from a new angle and explains the phenomenon that most rockburst occurs when σθ was lower than σc better.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Fan, Baojie& Zhao, Fujun& Wang, Bin& Wu, Qiuhong& Zhang, Zongtang. 2020. Rockburst Occurrence Mechanism Based on the Self-Sustaining Time-Varying Structure of Surrounding Rock. Shock and Vibration،Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1213016
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Fan, Baojie…[et al.]. Rockburst Occurrence Mechanism Based on the Self-Sustaining Time-Varying Structure of Surrounding Rock. Shock and Vibration No. 2020 (2020), pp.1-13.
https://search.emarefa.net/detail/BIM-1213016
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Fan, Baojie& Zhao, Fujun& Wang, Bin& Wu, Qiuhong& Zhang, Zongtang. Rockburst Occurrence Mechanism Based on the Self-Sustaining Time-Varying Structure of Surrounding Rock. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1213016
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1213016
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