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Details

Field Trial for Sealing Abandoned Mine Shafts and Adits with Lightweight Concrete.

PB94173218

Publication Date	1993
Personal Author	Skinner, E. H.; Beckett, L. A.
Page Count	44
Abstract	An abandoned mine shaft near Omar, in Logan County, WV, was permanently sealed through a cooperative agreement between the West Virginia Department of Commerce, Labor, and Environmental Research, Division of Environmental Protection, and the U.S. Bureau of Mines, Abandoned Mine Lands (AML). An engineered shaft seal design was developed and demonstrated that featured lightweight concrete as a key material component at a wet density of about 45 lb/cu ft. A reinforced concrete cap designed for 5 psi live load was placed over the shaft seal.
Keywords	Mine shafts Abandoned shafts Sealing Lightweight concretes Underground mining Coal mines Logan County(West Virginia)
Source Agency	Bureau of Mines
NTIS Subject Category	48A - Mineral Industries
Corporate Authors	Bureau of Mines, Spokane, WA. Spokane Research Center.
Supplemental Notes	See also PB90-157447.
Document Type	Technical Report
Title Note	Rept. of investigations/1994.
NTIS Issue Number	199417

Field Trial for Sealing Abandoned Mine Shafts and Adits with Lightweight Concrete.

Field Trial for Sealing Abandoned Mine Shafts and Adits with Lightweight Concrete.
PB94173218

Publication Date	1993
Personal Author	Skinner, E. H.; Beckett, L. A.
Page Count	44
Abstract	An abandoned mine shaft near Omar, in Logan County, WV, was permanently sealed through a cooperative agreement between the West Virginia Department of Commerce, Labor, and Environmental Research, Division of Environmental Protection, and the U.S. Bureau of Mines, Abandoned Mine Lands (AML). An engineered shaft seal design was developed and demonstrated that featured lightweight concrete as a key material component at a wet density of about 45 lb/cu ft. A reinforced concrete cap designed for 5 psi live load was placed over the shaft seal.
Keywords	Mine shafts Abandoned shafts Sealing Lightweight concretes Underground mining Coal mines Logan County(West Virginia)
Source Agency	Bureau of Mines
NTIS Subject Category	48A - Mineral Industries
Corporate Authors	Bureau of Mines, Spokane, WA. Spokane Research Center.
Supplemental Notes	See also PB90-157447.
Document Type	Technical Report
Title Note	Rept. of investigations/1994.
NTIS Issue Number	199417