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Tensioned Point Anchor Resin System Versus Non-Tensioned Fully Grouted Rebar - Two Case Studies
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Stankus, John C. (1990). Tensioned Point Anchor Resin System Versus Non-Tensioned Fully Grouted Rebar - Two Case Studies. Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
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Stankus, John C. (1990). Tensioned Point Anchor Resin System Versus Non-Tensioned Fully Grouted Rebar - Two Case Studies. Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
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Organization: International Conference on Ground Control in Mining
Pages: 11
Publication Date:
Jan 1, 1990
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Abstract
Abstract
| Jennmar Corporation. in an effort to improve mine roof control, has conducted extensive study and research comparing tensioned point anchor resin systems versus the use of non-tensioned fully grouted rehar. Preliminary indications are showing that in thinly laminated, weak strata, tensioned point anchor resin systems are providing more effective roof control than the non-tensioned fully grouted rehar. In this paper two case studies are presented in which tensioned point anchor resin systems were utilized to stabilize and control the mine roof in two different mines. Both mines are alike in many ways, but yet very different in other aspects. However, the mines do share one main common factor. and that being the non-effectiveness of the non-tensioned fully grouted rebar in controlling the thinly lamininated strata in each respective mine. |
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