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State-of-the-art techniques for backfilling abandoned mine voids.

Authors
Walker-JS
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 9359, 1993 Jan; :1-17
Link
NIOSHTIC No.
10012176
Abstract
Abandoned underground mine openings are susceptible to collapse because of the mining methods used, the character of the overburden, and the typically large wide entries with minimal roof support. The final effect of the collapse of the underground workings is surface subsidence. To reduce the probability of subsidence, methods to backfill the mine void with various types of materials have been developed. The paper describes the available technologies for subsidence abatement and discusses their operation and application.
Keywords
Abandoned-shafts; Overburden; Land-reclamation; Coal-mines; Pneumatic-equipment; Stowing; Underground-mining; Subsidence; Backfills; Abandoned-sites
Publication Date
19930101
Document Type
Information Circular
Fiscal Year
1993
NTIS Accession No.
PB93-232528
NTIS Price
A04
Identifying No.
IC-9359
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 9359
State
PA
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