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Design of Underground Openings in Competent Rock

Description:

From Summary: "This report presents methods and principles useful in designing underground mine openings and pillars in competent rock formations. Two types of formations are considered: (1) Massive formations, in which openings are generally mined with an arched roof, and (2) bedded formations, in which openings are generally mined with a flat roof."

Creator(s):
Creation Date: 1960
Partner(s):
UNT Libraries Government Documents Department
Collection(s):
Technical Report Archive and Image Library
Usage:
Total Uses: 711
Past 30 days: 14
Yesterday: 3
Creator (Author):
Creator (Author):
Creator (Author):
Creator (Author):
United States. Bureau of Mines.

United States Department of the Interior, Bureau of Mines

Publisher Info:
Place of Publication: Washington D.C.
Date(s):
  • Creation: 1960
Description:

From Summary: "This report presents methods and principles useful in designing underground mine openings and pillars in competent rock formations. Two types of formations are considered: (1) Massive formations, in which openings are generally mined with an arched roof, and (2) bedded formations, in which openings are generally mined with a flat roof."

Physical Description:

40 p. : ill.

Language(s):
Subject(s):
Keyword(s): competent rock | experiments
Series Title: United States Bureau of Mines Reports
Added Title: United States Bureau of Mines Bulletin 587
Partner:
UNT Libraries Government Documents Department
Collection:
Technical Report Archive and Image Library
Identifier:
  • REP-NO: Bulletin 587
  • ARK: ark:/67531/metadc12741
Resource Type: Report
Format: Text