17.5: Appendix E- The Coefficient c1

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 hb/hi=1 φ 32o 37o 42o 47o 52o α δ 15o 15o 0.104 0.118 0.132 0.146 0.162 18o 0.119 0.134 0.150 0.167 0.186 21o 0.133 0.150 0.169 0.189 0.210 24o 0.147 0.167 0.188 0.211 0.236 27o 0.162 0.184 0.209 0.235 0.264 30o 0.177 0.202 0.229 0.259 0.292 30o 15o 0.175 0.203 0.234 0.268 0.306 18o 0.195 0.227 0.261 0.300 0.343 21o 0.215 0.251 0.290 0.334 0.384 24o 0.236 0.276 0.320 0.370 0.427 27o 0.257 0.302 0.352 0.409 0.474 30o 0.279 0.329 0.385 0.450 0.525 45o 15o 0.254 0.304 0.360 0.425 0.502 18o 0.279 0.334 0.398 0.472 0.560 21o 0.305 0.367 0.438 0.523 0.624 24o 0.332 0.401 0.482 0.578 0.695 27o 0.360 0.437 0.529 0.639 0.774 30o 0.390 0.477 0.580 0.706 0.863 60o 15o 0.360 0.445 0.547 0.671 0.826 18o 0.393 0.488 0.604 0.746 0.928 21o 0.428 0.535 0.666 0.831 1.045 24o 0.466 0.587 0.736 0.928 1.180 27o 0.507 0.643 0.815 1.039 1.341 30o 0.553 0.707 0.905 1.169 1.534

The dimensionless force c1, in the direction of 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 0.106 0.119 0.133 0.148 0.163 18o 0.120 0.135 0.152 0.169 0.187 21o 0.135 0.152 0.171 0.191 0.213 24o 0.149 0.169 0.191 0.214 0.239 27o 0.164 0.187 0.211 0.237 0.267 30o 0.179 0.205 0.232 0.262 0.296 30o 15o 0.185 0.214 0.246 0.281 0.320 18o 0.207 0.240 0.276 0.317 0.362 21o 0.230 0.267 0.308 0.354 0.407 24o 0.254 0.296 0.342 0.395 0.455 27o 0.278 0.325 0.378 0.437 0.507 30o 0.303 0.356 0.415 0.483 0.563 45o 15o 0.282 0.335 0.396 0.466 0.547 18o 0.313 0.373 0.441 0.521 0.616 21o 0.345 0.412 0.490 0.582 0.692 24o 0.379 0.454 0.543 0.648 0.775 27o 0.414 0.499 0.600 0.721 0.869 30o 0.452 0.547 0.662 0.801 0.974 60o 15o 0.415 0.509 0.622 0.760 0.932 18o 0.458 0.565 0.693 0.853 1.056 21o 0.504 0.625 0.772 0.958 1.197 24o 0.554 0.690 0.860 1.077 1.362 27o 0.607 0.762 0.958 1.213 1.556 30o 0.665 0.843 1.070 1.372 1.787

The dimensionless force c1 in the direction of 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 0.105 0.119 0.133 0.148 0.164 18o 0.120 0.135 0.152 0.169 0.188 21o 0.135 0.152 0.171 0.192 0.214 24o 0.150 0.170 0.191 0.215 0.240 27o 0.165 0.188 0.212 0.239 0.268 30o 0.180 0.206 0.234 0.264 0.298 30o 15o 0.185 0.215 0.247 0.282 0.322 18o 0.208 0.241 0.278 0.318 0.364 21o 0.232 0.269 0.310 0.357 0.410 24o 0.256 0.298 0.345 0.398 0.459 27o 0.280 0.328 0.381 0.441 0.511 30o 0.306 0.359 0.419 0.488 0.569 45o 15o 0.290 0.345 0.408 0.480 0.565 18o 0.324 0.386 0.457 0.541 0.640 21o 0.359 0.429 0.511 0.607 0.722 24o 0.396 0.476 0.568 0.679 0.813 27o 0.436 0.525 0.631 0.758 0.914 30o 0.478 0.579 0.699 0.846 1.029 60o 15o 0.439 0.538 0.657 0.802 0.983 18o 0.489 0.601 0.737 0.906 1.120 21o 0.542 0.670 0.826 1.024 1.278 24o 0.599 0.744 0.926 1.157 1.461 27o 0.660 0.827 1.037 1.310 1.676 30o 0.728 0.918 1.163 1.487 1.933

The dimensionless force c1 in the direction of 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.

17.5: Appendix E- The Coefficient c1 is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.