Assessment of Excavation Broken Zone around Gateways under Various Geological Conditions: A Case Study in Sichuan Province, China

To study common failure characteristics of gateways, a total of 55 typical gateways at coal mines, in Sichuan Province, China, were selected for investigating the rules of broken widths based on the ground-penetrating radar (GPR) technique and numerical model. Results indicated that the broken width...

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Veröffentlicht in:	Minerals (Basel) 2016-09, Vol.6 (3), p.72-72
Hauptverfasser:	Yang, Hongyun, Cao, Shugang, Li, Yong, Fan, Yingchong, Wang, Shuai, Chen, Xianzhe
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Arches Case studies Coal Coal mines Coal mining Cross-sections Design Excavation Failure Geology Limited liability companies Mathematical models Mines Mining accidents & safety Rocks Roofs Seams Stress state Studies Systems design Walls
Online-Zugang:	Volltext
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