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The Delft Sand, Clay & Rock Cutting Model, 2019a

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<strong>The</strong> Shear Angle β Cavitating.<br />

Appendix H: <strong>The</strong> Shear Angle β Cavitating.<br />

Table H-1: β for hb/hi=1, cavitating.<br />

hb/hi=1 32 º 37 º 42 º 47 º 52 º<br />

<br />

<br />

15 º 37.217 37.520 37.355 36.831 36.026<br />

18 º 34.461 34.854 34.790 34.370 33.669<br />

15 º<br />

21 º 32.163 32.598 32.594 32.243 31.613<br />

24 º 30.212 30.661 30.689 30.379 29.796<br />

27 º 28.530 28.973 29.012 28.726 28.173<br />

30 º 27.060 27.483 27.520 27.243 26.707<br />

15 º 39.766 39.060 38.014 36.718 35.232<br />

18 º 37.341 36.757 35.823 34.628 33.233<br />

30 º<br />

21 º 35.196 34.696 33.844 32.725 31.399<br />

24 º 33.280 32.837 32.041 30.977 29.704<br />

27 º 31.554 31.145 30.387 29.363 28.127<br />

30 º 29.985 29.593 28.859 27.860 26.650<br />

15 º 36.853 35.599 34.097 32.412 30.591<br />

18 º 34.768 33.616 32.202 30.594 28.839<br />

45 º<br />

21 º 32.866 31.789 30.441 28.892 27.188<br />

24 º 31.119 30.094 28.794 27.288 25.623<br />

27 º 29.502 28.512 27.246 25.770 24.132<br />

30 º 27.996 27.026 25.781 24.325 22.705<br />

15 º 31.992 30.395 28.608 26.683 24.654<br />

18 º 30.155 28.634 26.911 25.039 23.055<br />

60 º<br />

21 º 28.444 26.979 25.303 23.471 21.520<br />

24 º 26.841 25.414 23.772 21.968 20.040<br />

27 º 25.330 23.927 22.306 20.520 18.605<br />

30 º 23.897 22.506 20.896 19.118 17.208<br />

<strong>The</strong> shear angle as a function of the blade angle , the angle of internal friction , the soil/interface friction angle<br />

, for the cavitating cutting process, for hb/hi=1.<br />

Copyright © Dr.ir. S.A. Miedema TOC Page H-37 of 228

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