My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
PERMFILE45400
DRMS
>
Back File Migration
>
Permit File
>
500000
>
PERMFILE45400
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/24/2016 10:47:46 PM
Creation date
11/20/2007 12:20:32 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
PREDICTED D SEAM LONGWALL SUBSIDENCE /ELK CREEK MINE ABEL 1998
From
Old Exhibit 2.05-E2 Part 6
Section_Exhibit Name
Exhibit 2.05-E8 Part 4
Media Type
D
Archive
No
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
65
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
"D" Seam Longwall Subsidence Page 38 August 17, 1998 <br />Table 7. Average gateroad stresses and surface subsidence <br />• predictions over crushed gateroad pillars between longwall panels. <br />Local Gateroad Local Average Local <br />Panel Area Percent Pillar Maximum <br />Depth Support Extraction Stress Surface <br /> Width Lm,x Subsidence <br />(ft) (m) (ft) (MPa) (~) (ft) <br />500 152 790 91~ 39.9 31.3 2.66 <br /> 5780psi <br />1000 305 740 91$ 79.7 39.6 3.37 <br /> 11560psi <br />1500 457 790 91B 119.6 94.4 3.78 <br /> 17390psi <br />2000 610 790 91$ 159.5 97.9 9.07 <br /> 23120psi <br />2500 762 740 91$ 199.3 50.6 9.30 <br /> 28900psi <br />C <br />• <br />38 <br />
The URL can be used to link to this page
Your browser does not support the video tag.