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# 17.10: Appendix J- The Coefficient d2

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 hb/hi=1 φ 32o 37o 42o 47o 52o α δ 15o 15o 0.409 0.608 0.816 1.037 1.274 18o 0.312 0.528 0.754 0.995 1.255 21o 0.205 0.436 0.680 0.939 1.220 24o 0.087 0.333 0.592 0.870 1.172 27o -0.040 0.219 0.493 0.788 1.110 30o -0.175 0.095 0.382 0.692 1.034 30o 15o 0.474 0.642 0.828 1.035 1.269 18o 0.412 0.588 0.782 1.000 1.249 21o 0.341 0.523 0.725 0.954 1.216 24o 0.261 0.447 0.657 0.895 1.169 27o 0.171 0.361 0.576 0.822 1.108 30o 0.071 0.264 0.483 0.735 1.031 45o 15 o 0.398 0.553 0.733 0.945 1.196 18o 0.325 0.481 0.664 0.879 1.138 21o 0.241 0.396 0.579 0.797 1.061 24o 0.145 0.298 0.478 0.696 0.962 27o 0.037 0.183 0.358 0.572 0.836 30o -0.086 0.051 0.217 0.421 0.678 60o 15o 0.195 0.317 0.465 0.650 0.885 18o 0.083 0.193 0.329 0.500 0.721 21o -0.047 0.047 0.164 0.313 0.510 24o -0.198 -0.126 -0.036 0.081 0.238 27o -0.372 -0.331 -0.278 -0.208 -0.113 30o -0.575 -0.574 -0.573 -0.572 -0.570

The dimensionless force d2, perpendicular to the cutting velocity, as a function of the blade angle α, the angle of internal friction φ, the soil/interface friction angle δ, for hb/hi=1.

 hb/hi=2 φ 32o 37o 42o 47o 52o α δ 15o 15o -0.024 0.262 0.552 0.853 1.170 18o -0.253 0.064 0.387 0.722 1.076 21o -0.496 -0.151 0.202 0.569 0.959 24o -0.752 -0.381 -0.001 0.396 0.820 27o -1.018 -0.626 -0.221 0.204 0.660 30o -1.294 -0.884 -0.458 -0.007 0.479 30o 15o 0.266 0.471 0.693 0.938 1.211 18o 0.136 0.354 0.592 0.854 1.149 21o -0.008 0.222 0.473 0.752 1.067 24o -0.165 0.074 0.337 0.631 0.965 27o -0.336 -0.089 0.183 0.490 0.841 30o -0.520 -0.268 0.011 0.327 0.693 45o 15o 0.216 0.393 0.595 0.830 1.107 18o 0.087 0.267 0.475 0.718 1.007 21o -0.059 0.123 0.334 0.582 0.880 24o -0.221 -0.040 0.170 0.420 0.723 27o -0.401 -0.226 -0.020 0.227 0.529 30 o -0.600 -0.435 -0.240 -0.002 0.293 60o 15o -0.009 0.124 0.285 0.484 0.735 18o -0.182 -0.060 0.089 0.275 0.513 21o -0.379 -0.274 -0.145 0.019 0.233 24o -0.603 -0.523 -0.422 -0.293 -0.122 27o -0.859 -0.812 -0.753 -0.676 -0.571 30o -1.151 -1.151 -1.150 -1.148 -1.146

The dimensionless force d2, perpendicular to the cutting velocity, as a function of the blade angle α, the angle of internal friction φ, the soil/interface friction angle δ, for hb/hi=2.

 hb/hi=3 φ 32o 37o 42o 47o 52o α δ 15o 15o -0.552 -0.177 0.198 0.581 0.979 18o -0.921 -0.501 -0.080 0.350 0.800 21o -1.306 -0.846 -0.384 0.092 0.590 24o -1.703 -1.208 -0.708 -0.191 0.353 27o -2.111 -1.586 -1.053 -0.498 0.090 30o -2.528 -1.979 -1.417 -0.828 -0.201 30o 15o 0.020 0.263 0.522 0.805 1.118 18o -0.182 0.079 0.360 0.667 1.009 21o -0.402 -0.124 0.176 0.505 0.873 24o -0.638 -0.346 -0.030 0.319 0.711 27o -0.890 -0.588 -0.259 0.107 0.521 30o -1.158 -0.850 -0.511 -0.132 0.301 45o 15o 0.017 0.215 0.440 0.698 1.001 18o -0.171 0.034 0.267 0.537 0.856 21o -0.379 -0.171 0.068 0.346 0.677 24o -0.608 -0.400 -0.160 0.122 0.460 27o -0.858 -0.656 -0.420 -0.141 0.199 30o -1.133 -0.941 -0.717 -0.447 -0.114 60o 15o -0.221 -0.076 0.097 0.310 0.578 18o -0.455 -0.321 -0.159 0.042 0.298 21o -0.718 -0.602 -0.460 -0.282 -0.052 24o -1.014 -0.925 -0.814 -0.673 -0.488 27o -1.349 -1.297 -1.231 -1.147 -1.034 30o -1.728 -1.727 -1.726 -1.724 -1.722

The dimensionless force d2, perpendicular to the cutting velocity, as a function of the blade angle α, the angle of internal friction φ, the soil/interface friction angle δ, for hb/hi=3.

17.10: Appendix J- The Coefficient d2 is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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