Experimental evaluation of polyester grout as a ground control measure in underground mines
Chemical grouting has been used to insure the stability of underground mine openings for more than twenty years. The polyurethane grout, which is currently being used, has a limited range of mechanical properties that restrict its utilization. Polyurethane also poses serious threats to miners'...
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| Format: | Others |
| Language: | en |
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Virginia Tech
2014
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| Online Access: | http://hdl.handle.net/10919/42553 http://scholar.lib.vt.edu/theses/available/etd-05092009-040543/ |