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<br /> I <br />Table 5.5b. Incipient Motion results for Mathers Hole (rm 17.5) I <br /> Subsurface d50=42mm, Surface d84= 86mm <br />d i d_iJdSO L. I <br />Lc Re Q y V <br />(mm) (lbJft2) ( cfs) (ft) (fps) I <br />5 0.12- 0.534 0.901 1,100 17,725 7.17 6.03 I <br />10 0.24- 0.292 0.985 2,300 19,623 7.65 6.40 <br />15 0.36 0.205 1.037 3,600 20,822 7.95 6.63 I <br />20 0.48 0.159 1.076 4,900 21,715 8.17 6.80 <br /> I <br />30 0.71 0.112 1.133 7,500 23,035 8.48 7.04 <br />40 0.95 0.087 1.176 10,200 24,018 8.71 7.21 I <br />SO 1.19 0.072 1.210 13,000 24,809 8.89 735 <br />60 1.43 0.061 1.239 15,700 25,473 9.05 7.47 I <br />70 1.67 0.053 1.263 18,500 26,047 9.18 7.57 <br /> I <br />75 1.79 O.OSO 1.274 20,000 26,308 9.23 7.61 <br />80 1.90 0.048 1.285 21,400 26,555 9.29 7.65 I <br />90 2.14 0.043 1.304 24,200 27,011 939 7.73 <br />100 2.38 0.039 1322 27,100 27,425 9.48 7.80 I <br />110 2.62 0.036 1338 30,000 27,805 9.57 7.86 <br />120 2.86 0.033 1353 32,900 28,156 9.65 7.92 I <br />130 3.10 0.031 1.367 35,800 28,483 9.72 7.97 I <br />140 333 0.029 1.380 38,800 28,789 9.78 8.02 <br />150 3.57 0.027 1393 41,700 29,076 9.85 8.07 I <br />160 3.81 0.026 1.404 44,700 29,348 9.90 8.12 <br />-- Indicates limits of d}J d50 exceeded in Andrews relationship. I <br /> I <br /> I <br /> 5-18 I <br />