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Showing: 1 to 10 of 5 matches for "hydraulic sand fill"  Page   1
TITLE Stope Filling At Boulder Perseverance Shaft 1895-1972 
SUMMARY 193654 Stope Filling At Boulder Perseverance Shaft 1895-1972 A short study showing how first dry fill and later hydraulic sand fill has allowed mining to continue immediately adjacent to worked out areas in a mine 75 years old. This paper is a case study of filling in an old mine where for 30 years ...
PUBLISHED 1973
TITLE High-Modulus Hydraulic Fills For Deep Mines 
SUMMARY 38689 High-Modulus Hydraulic Fills For Deep Mines INTRODUCTION Hydraulic sand fills have been extensively used in the United States in deep metal mines since 1940, and hydraulic fills have been placed in coal mines in Europe for many years. Numerous surface hydraulic fills exist in Appalachia for ...
AUTHOR Friel, Leroy ; Stout, Koehler
PUBLISHED 1979
TITLE High-Modulus Hydraulic Fills For Deep Mines 
SUMMARY 38689 High-Modulus Hydraulic Fills For Deep Mines INTRODUCTION Hydraulic sand fills have been extensively used in the United States in deep metal mines since 1940, and hydraulic fills have been placed in coal mines in Europe for many years. Numerous surface hydraulic fills exist in Appalachia for ...
AUTHOR Friel, Leroy ; Stout, Koehler
PUBLISHED 1979
TITLE Support Capabilities of Pneumatically Stowed Materials 
SUMMARY ... tested to determine the effects of specific gravity, gradation, moisture, and impact velocity on the in-place density of the stowed fill. Hydraulic sand filling has now served the mining industry for several decades but because of the low density does not always provide ample support to the hanging ...
 
TITLE Support Capabilities of Pneumatically Stowed Materials 
SUMMARY ... tested to determine the effects of specific gravity, gradation, moisture, and impact velocity on the in-place density of the stowed fill. Hydraulic sand filling has now served the mining industry for several decades but because of the low density does not always provide ample support to the hanging ...
AUTHOR Soderberg, Roy L.
PUBLISHED 1976
Showing: 1 to 10 of 5 matches for "hydraulic sand fill"  Page   1

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