دورية أكاديمية
Research on abutment stress distribution of roof-cutting coalface: numerical simulation and field measurement
| العنوان: | Research on abutment stress distribution of roof-cutting coalface: numerical simulation and field measurement |
|---|---|
| المؤلفون: | Yangyang Guo, Xiaoli Liu, Weitao Li, Feng Du, Ji Ma, Ruipeng Qian, Ningning Huo |
| المصدر: | Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-20 (2024) |
| بيانات النشر: | Springer, 2024. |
| سنة النشر: | 2024 |
| المجموعة: | LCC:Geophysics. Cosmic physics |
| مصطلحات موضوعية: | Abutment stress, Fracturing roofs to maintain entry (FRME), Flexible detection unit (FDU), Double-yield model, Geophysics. Cosmic physics, QC801-809 |
| الوصف: | Abstract During the processing of deep mining, revealing the distribution of abutment pressure is significant for controlling stability of the entry. In this study, the abutment pressure distribution of roof-cutting coalface was investigated by FLAC3D and self-developed flexible detection unit (FDU). In the numerical simulation, the double-yield model was built to analyze the goaf abutment pressure under the fracturing roofs to maintain entry (FRME). Compared with the non-fracturing side, the peak value of the advanced abutment pressure on the fracturing side is reduced by 19.29% on average, the influence range (span) increases by 30.78% and the distance between the peak value and the working face increases by 66.7%. The goaf abutment pressure within 23m near the cutting side is significantly higher than other areas along the dip. The FDU was employed in the coalface to record the change of advanced abutment stress. And the field measured results are in well agreement with the numerical results. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2363-8419 2363-8427 |
| Relation: | https://doaj.org/toc/2363-8419; https://doaj.org/toc/2363-8427 |
| DOI: | 10.1007/s40948-024-00796-4 |
| URL الوصول: | https://doaj.org/article/03a224aff8f042cea433844078176243 |
| رقم الأكسشن: | edsdoj.03a224aff8f042cea433844078176243 |
| قاعدة البيانات: | Directory of Open Access Journals |
Find this article in full text from Springer Verlag. 
Full Text Finder | تدمد: | 23638419 23638427 |
|---|---|
| DOI: | 10.1007/s40948-024-00796-4 |