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' Nation�l Conc•rete Masonary Association Paae 7 of 10 <br /> Internal Compound Stability Result <br /> SRW Factor �F� EVu Or �,Fs EFgrid EDynF EWt EQI EQd <br /> Units S�ety (Ib/ft) �Ib°ft� (Ib/ft) (Ib/ft) (Ib/ft) (Ib/ft) (Ib/ft) (Ib/ft) <br /> 1 1.692 3846 912 2819 11 0 5819 541 1983 <br /> 2 1.803 2726 920 2216 350 0 4222 501 1670 <br /> 3 1.771 2163 981 1786 17 0 3309 427 1140 <br /> 4 1.858 2166 855 1641 29 0 3294 421 1263 <br /> 5 1.906 2108 579 1429 37 0 3183 438 1244 <br /> 6 2.367 2178 565 1256 229 0 3270 467 1474 <br /> 7 2.314 1303 552 802 0 0 1942 354 782 <br /> 8 2.563 1136 378 591 0 0 1708 347 767 <br /> 9 3.321 1000 267 381 0 0 1500 358 752 <br /> 10 5.795 862 187 181 0 0 1285 351 738 <br /> Basic Internal Compound Stability Static Result <br /> Lowest FOS : 1.692 <br /> Critical Failure Plane Location - <br /> Height of Exit at Wall Face <br /> SRW Unit :# 1 <br /> Elevation : 0.00 ft <br /> Distance to Entrance at Top Grade : 8.01 ft <br /> Internal Compound Stability Geometry <br /> SRW Factor Arc Arc Arc Arc Exit Arc Exit Arc Arc <br /> Of Center Center Radius Enter Enter <br /> Units Safety (Xc) (Yc) (R) �X2) �Y2� (X1) (Y1) <br /> 1 1.692 0.000 8.917 8.917 0.000 0.000 8.011 5.000 <br /> 2 1.803 -13.907 31.952 34.427 0.093 0.500 7.513 5.000 <br /> 3 1.771 -3.369 13.640 13.131 0.187 1.000 6.519 5.000 <br /> 4 1.858 -1.276 11.583 10.202 0.280 1.500 6.519 5.000 <br /> 5 1.906 0.373 9.794 7.794 0.373 2.000 6.519 5.000 <br /> 6 2.367 0.467 12.329 9.829 0.467 2.500 7.016 5.000 <br /> 7 2.314 0.560 10.160 7.160 0.560 3.000 5.524 5.000 <br /> 8 2.563 0.653 12.158 8.658 0.653 3.500 5.524 5.000 <br /> 9 3.321 0.747 15.911 11.911 0.747 4.000 5.524 5.000 <br /> 10 5.795 0.840 26.690 22.190 0.840 4.500 5.524 5.000 <br /> -------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> file://C:AProgram FilesWCMA\SRWaII 4.0\Report.html 10/24/2011 <br />