My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
PERMFILE58943
DRMS
>
Back File Migration
>
Permit File
>
600000
>
PERMFILE58943
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/24/2016 11:01:15 PM
Creation date
11/20/2007 6:04:16 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
HAUL ROAD D STABILITY ANALYSIS YOAST MINE
Section_Exhibit Name
TAB 13 ATTACHMENT 13-16
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.
/
17
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
• <br />1 115.0 120.0 <br />2 123.0 130.0 <br />SOO.G 26.00 .000 .0 0 <br />340.0 27.00 .000 .0 0 <br />A critical failure surface searching method, using a random <br />technique for generating CIRCULAR surfaces has been specified. <br />100 trial surfaces will be generated and analyzed. <br />10 Surfaces initiate from each of 10 points equally spaced <br />along the ground surface between x = 50.0 ft <br />and x = 120.0 ft <br />Each surface terminates between x = 130.0 ft <br />and x = 180.0 ft <br />Unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = .0 ft <br />5.0 ft line segments define each trial failure surface. <br />• <br />ANGULAR RESTRICTIONS <br />--------------------- <br />The first segment of each failure surface will be inclined <br />within the angular range defined by <br />Lower angular limit :_ -45.0 degrees <br />Upper angular limit :_ (slope angle - 5.0) degrees <br />+***.*+**:.******+***+*t**~***************+*******************:+**~***+~ <br />-- WARNING -- WARNING -- WARNING -- WARNING -- (# 48) <br />****++,r******+:**++****+*****+************,r*+***~*,r,r+**+******++****+*** <br />Negative effective stresses were calculated at the base of a slice. <br />This warning is usually reported for cases where slices have low self <br />weight and a relatively high "c" shear strength parameter. In such <br />cases, this effect can only be eliminated by reducing the "c" value. <br />------------------------------------------------------------ <br />USER SELECTED option to maintain strength greater than zero <br />------------------------------------------------------------ <br /> <br />*++***,r******+***********+***,r+****+************+*****:r,r++*** <br />** Factor of safety calculation for surface # 95 ** <br />** failed to converge within FIFTY iterations ** <br />
The URL can be used to link to this page
Your browser does not support the video tag.