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2008-11-24_PERMIT FILE - C1996083 (21)
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2008-11-24_PERMIT FILE - C1996083 (21)
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Last modified
8/24/2016 3:38:13 PM
Creation date
2/24/2009 9:51:42 AM
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Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
Permit File
Doc Date
11/24/2008
Doc Name
A Determination of Angle of Draw, D-Seam Longwall Mining
Section_Exhibit Name
Volume IIIA Exhibit 21 Angle of Draw
Media Type
D
Archive
No
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C <br />Results and Conclusions <br />Five lines provided adequate data for calculation of a site specific angle of draw resulting <br />from mining D-seam longwali panels. The following table summarizes the angle of draw <br />calculated for each of the five lines. Figure 1 shows the locations of the five lines with <br />respect to the underground mining that occurred. <br /> <br /> <br />Line ID Angle of <br />Draw <br />(degrees) <br />A - A' 21 <br />B - B' 22 <br />E - E' 13 <br />G - G' 16 <br />J - J' 10 <br />Average 16 <br />• <br />Z <br />•
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