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Showing: 1 to 10 of 149 matches for "Gaddy"  Page   1   2   3   4   5   6   7   8   9  next
TITLE Roof Control 
SUMMARY Page 1. CHAPTER 6 Roof Control 1 by Frank L. Gaddy ... Frank 1. Gaddy is President, Gaddy
Engineering Co., Huntington, WV. 106 Page 2. bed, but this is rare. ...
AUTHOR Gaddy, Frank L.
PUBLISHED 1981
TITLE Roof Control 
SUMMARY Page 1. CHAPTER 6 Roof Control by Frank L. Gaddy ... Frank 1. Gaddy is President, Gaddy
Engineering Co., Huntington, WV. 106 Page 2. bed, but this is rare. ...
AUTHOR Gaddy, Frank L.
PUBLISHED 1981
TITLE Roof Control 
SUMMARY Page 1. CHAPTER 6 Roof Control by Frank L. Gaddy Falls ... coal Frank 1. Gaddy is
President, Gaddy Engineering Co., Huntington, WV. 106 Page 2. ...
AUTHOR Gaddy, Frank L.
PUBLISHED 1981
TITLE Roof Control 
SUMMARY Page 1. CHAPTER 5 Roof Control by Frank L. Gaddy ... Frank 1. Gaddy is President, Gaddy
Engineering Co., Huntington, W. Va. 72 Page 2. ROOF CONTROL 73 ...
AUTHOR Gaddy, Frank L.
PUBLISHED 1973
TITLE The Forgotten Denominator, Pillar Loading 
SUMMARY ... The outcome of this early work was the well known Obert-Duvall, Holland-Gaddy,
Bieniawski, and Salamon-Munro equations for coal pillar strength. ...
AUTHOR Heasley, K.A.
TITLE Strength Of Steel Roof Bolts After Repeated Bending ? Summary And Introduction 
SUMMARY ... AFTER REPEATED BENDING By FRANK L. GADDY t..===United States Department of the
Interior-1958 Page 2. ... By FRANK L GADDY • * Report of Investigations 5408 ...
AUTHOR Gaddy, Frank L.
PUBLISHED 1958
TITLE The Use Of Geologic Modeling In The Prediction Of Adverse Roof Conditions 
SUMMARY Page 1. THE USE OF GEOLOGIC MODELING IN THE PREDICTION OF ADVERSE ROOF COWDITIONS
Edward S. aster, Jr., and Frank L Gaddy, Gaddy Engineering Company ABSTRACT ...
AUTHOR Custer, Edward S., Jr.
PUBLISHED 1981
TITLE Comparison of Pillar Strengths Calculated Using Empirical Equations and Finite Elements 
SUMMARY ... empirical equations of Holbd-Gaddy, Salmon-Mum, OM - Duvall, and Biahvski-PSU A
wmlation among the - ... varied hmI to 8, except for HoUacd-Gaddy &on which ...
AUTHOR de Andrade Lima, Aarao
PUBLISHED 1997
TITLE Critical Apraisal of Pillar Design as Required by Coal Mines Regulations of India Vis-Vis Latest-Rockmechanics Formulae 
SUMMARY ... For calculating the strength of the pillars, three formulae, namely Holland and
Gaddy, salamon and Munro and Central Mining Research Station, India, were used. ...
AUTHOR Singh TN ; Singh DP
PUBLISHED 1992
TITLE Natural Gas Technology - The PVT Behavior of Methane in the Gaseous and Liquid States 
SUMMARY ... In their studies concerned with the thermodynamic properties of methane, Matthews
and Hurd" in 1946 utilized the data of Kvalnes and Gaddy" and Olds, Reamer ...
AUTHOR Matschke, D. E. ; Thodos, G.
Showing: 1 to 10 of 149 matches for "Gaddy"  Page   1   2   3   4   5   6   7   8   9  next

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