![](/images/graphics-bg.png)
The Effect of High Loading Rate on the Behaviour and Mechanical Properties of Coal-Rock Combined Body
المؤلفون المشاركون
Gong, Fengqiang
Ye, Hao
Luo, Yong
المصدر
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-06-25
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
In order to investigate the high loading rate effect on the behaviour and mechanical properties of coal-rock combined body, the dynamic compressive tests were conducted by using the Split-Hopkinson Pressure Bar (SHPB) device under the loading rate range from 2.7×105 MPa/s to 4.0×105 MPa/s.
The stress-strain curves, dynamic peak stress and strain, elastic modulus, and energy distribution law of coal-rock combined body under different loading rates were analyzed and discussed.
The results show that the dynamic stress-strain curves of coal-rock combined body have a double-peak feature under high loading rate range, which can be divided into the initial bearing stage, the bearing decline stage, the bearing enhance stage, and the unstable stage.
The first peak stress of the coal-rock combined body is independent of the loading rate, while the dynamic compressive strength (the second peak stress) and dynamic peak strain (the second peak strain) have a strong loading rate effect and will generally increase linearly with the loading rate.
The first and second elastic moduli of coal-rock combined body are not sensitive to the loading rate.
With the increase of the loading rate, the incident energy and reflective energy of coal-rock combined body increase rapidly, while the change of transmitted energy is very small.
The absorption energy ratio of the coal-rock combined body shows a good linear law with the incident energy under different loading rates.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Gong, Fengqiang& Ye, Hao& Luo, Yong. 2018. The Effect of High Loading Rate on the Behaviour and Mechanical Properties of Coal-Rock Combined Body. Shock and Vibration،Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1215257
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Gong, Fengqiang…[et al.]. The Effect of High Loading Rate on the Behaviour and Mechanical Properties of Coal-Rock Combined Body. Shock and Vibration No. 2018 (2018), pp.1-9.
https://search.emarefa.net/detail/BIM-1215257
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Gong, Fengqiang& Ye, Hao& Luo, Yong. The Effect of High Loading Rate on the Behaviour and Mechanical Properties of Coal-Rock Combined Body. Shock and Vibration. 2018. Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1215257
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1215257
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
![](/images/ebook-kashef.png)
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
![](/images/kashef-image.png)