PERMFILE46577 - Laserfiche WebLink

Home Browse Search

Stt'-CU-yt7 5Uh ly:~U John h Absl Jr nr,~ /. `aM M..1Y1gM, FAX N0, 30327881133 Pal~P. 4, to P.oe "D" Seam/Hear Creek Impact Pagw a .4•pt•mber 21, 19ae Tabi e i . Bank density, swell factor and peroent free swell for selected rocks and soils Rock or Soil Bank Density Swell Factor Frea Sweu Basalt 185 PCF 0.87 50% 88uxlte 119 PCF 0.75 3376 Catichs 141 PCP 0.00 8296 Carnotite, primary uranium ore 137 PCF 0.74 3576 Clay, natural 126 PCF 0.82 22% Coal, anthracite 100 PCF 0.74 3576 bituminous 80 PCF 0.74 3596 Concrete 120-155 PCF 0,72 4091 Conglomerate 153 PCF 0.72-0.83 40.6096 Copp+sr ure, altnre~ siliceous 141 PCF 0.74 3576 Earth, wet 128 PCF 0.79 27% foam 88 PCF 0.81 23% Granite, quartzite, fresh 183-170 PCF 0.87-0.58 50-80°~ typkal values 0.81 84% Gravel, pit run 136 PCF O.t1ti 12°.6 Gypsum 198 PCF 0.57 _ 75% Iron ore, high grade hematite 174-237 PCF 0.38-0.55 72-0296 limonite 174237 PCF 0.58 72% magnetite 204 PCF 0.55-0.58 72-82% taconito 192.226 PCF 0.68 72% Limestone 15163 PCF 0.57-0.80 87-7596 typical valuos 0.69 6991 Marble, metamorphic 170 PCF 0.57-0.80 67-75% MOnlfnOrllWnite, d110rlte, k8011n 141 PCF 0.77 3096 illite, smektite Pyrite 189 PCF 0.86 18% Sand, dry 100 PCF 0.89 1?% damp 120 PCF 0.88 12% wet 130 t'CF 0.09 1294 Sandstone 153-157 PCF 0.60 67% Shale, mudatOne 104 PCF 0.79 3346 Slitstone, hard 153-157 PCF 0.57-0.80 67-75% soft _ 128 PCF 0.82 2296 slate 17o-ieo PcF o.n ao% rraprock, basic, igneous 163 PCF 0.67 5096 Free s~rell (%) =change in volume broken as a pert~M o1 original bank volume Swell factor ~ broken density/bank density Adapted from: Caterpillar, Inc., 1987, Caterpillar performance handbook, p 740 and Euclid Road Machinery Co., 1953, Estimating productbn and costa r~