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PERMFILE54453
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PERMFILE54453
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Entry Properties
Last modified
8/24/2016 10:57:33 PM
Creation date
11/20/2007 4:10:12 PM
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Template:
DRMS Permit Index
Permit No
C1981012
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
EXHIBIT 30 STABILITY LETTER
Media Type
D
Archive
No
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TABLE i <br />•~ <br />I <br />Huang Nomograph <br />CASE 1 PHI=O <br />L1 F1 F2 <br />Siope Stability - Allen Mine <br />•~ <br />~~ <br />D <br />0.0 1.070 0.377 0.000 <br />0.2 0.438 0.150 G J 06 <br />0.4 0.323 0.085 0.462 <br />0.6 0.259 0.057 0.576 <br />0.8 0.219 0.040 0.680 <br />1.0 0.188 0.031 0.786 <br />CASE J PHI='10 CF=0.025 <br />NS L1 F1 F2 NS <br />ALPHA ~ 0 BETA = <br />8.78 1.000 0:212 0:000 I1.Q{ <br />7.03 0.440 0.103 0.192 8.89 <br />6.53 0.328 0.063 0.332 7:61 <br />6.25 0.267 0.039 0.457 6.94 <br />6.06 0.727 0.024 0.555 6.71 <br />5.94 .0.196 0.017 0.656 6.47 <br />aLPHA = 0 BE TA = <br />0.0 1.000 0.360 0.000 7.56 .1.000 0.191 0.000 10.15 <br />0.7 0.441 0.138 D.321 6.52 0.446 0..09? 0.185 8.25 <br />0.4 0.325 0.079 0.454 6.22 0.333 0.055 0.327 7.17 <br />0.6 0.261 0.052 0.565 6.02 0.271 0.033 0.434 . 6'.85 <br />0.8 0.219 0.038 0.674 5.89 0.229 0.022 0.542 6.54 <br />1.0 0.190 0.028 0.773 5.81 0.199 0.014 D.633 6.45 <br /> ALPHA 0 BE TA ~ <br />0.0 1.000 0.355 0.000 6.94 1.000 0.166 0.000 9.84 <br />0.2 0.444 0.130 0.324 6.22 0.450 0.086 0.171 8.07 <br />0.4 0.327 0.073 0.453 6.02 0.336 O.OSI 0.301 7.23 <br />0.6 0.263 0.0.8 0.564 5.88 0.274 0.079 0.421 6.77 <br />0.8 0.220 0.035 0.669 5.79 0.231 0.019 0.528 6.49 <br />1.0 0.190 0.027 0.773 5.73 0.200 0.013 0.620 6.42 <br />CASE 3 C=0 <br />L1 F1 F2 NS <br />25 <br />1 000 0.183 0.000 12.54 <br />0.441 0.096 0.190 9.13 <br />0.329 0.058 0.327 7.79 <br />0.269 0.035 0.449 7.10 <br />0.227 0.024 0.555 6.71 <br />0.198 0.015 0.645 6.60 <br />30 <br />1.000 <br />0.446 <br />0.334 <br />0.274 <br />0.231 <br />0.200 <br />0.151 <br />0.086 <br />0.052 <br />0.029 <br />0.019 <br />0.013 <br />0.000 12.38 <br />0.165 8.93 <br />0.304 7.58 <br />0.424 7.06 <br />0.530 6.70 <br />0.630 6.49 <br />35 <br />1.000 0.139 0.000 11.44 <br />0.450 0.079 0.155 8.84 <br />0.338 0.047 0.205 7.45 <br />0.774 0.029 0.410 6.94 <br />0.231 0.019 0.518 6.61 <br />0.200 0.013 0.620 6.42 <br />Figure 15, Stability co~Hlcienb for ~idehill embankment enely~i~. (Ye 1`: HUdng, 197$) <br />II. Analysis <br />A. For c1=0, D=0 <br />F= Ns(Fl tan m) <br />B. For ~= 0 <br />1. a= zs° <br />F= (12.45)(0.183)(tan 38.1°) <br />F= 1.80 <br />C. For 6= 26.6° (2H:1V slope) <br />F= 1.80 - ((1.80-1.47)/5)(1.6) <br />F= 1.70 ~-- <br />2. e= 30° <br />F=(12.38)(0.151)(tan 38.1) <br />F= 1.47 <br />
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