Sizing of Final Stumps for Safer Pillar Extraction

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Sizing of Final Stumps for Safer Pillar Extraction

Public Domain

08/01/2001

Details

Description:

The risk of major pillar falls can often be reduced by leaving final stumps, large enough to protect the intersection but small enough to not inhibit gob caving. Analyses were conducted to assess factors on the size variation of remnant stumps.
Document Type:

Book
CIO:

NIOSH
Division:

NIOSH Mining
Location:

North America
NIOSHTIC Number:

nn:na
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

urn:sha-512:fdb19a7b1db3836128dcff89c67828286147bfaa4859b1487db620d3b2770f39ebb9f46bd8c32d8e5fac0724887cafabb4f9246bb0da8285d8a56a58b8aadf5f
Download URL:

https://stacks.cdc.gov/view/cdc/161902/cdc_161902_DS1.pdf
File Type:

[PDF - 183.91 KB ]

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