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D <br />aT/J <br />woot�w E-16 <br />ALLOWABLE LOADING RATES OF SOILS UNDER MOUNDS <br />M/ A � Allowable loading <br />rate <br />Ratio of <br />Percolation <br />, ` <br />bosal width <br />S /Z <br />rate <br />min/in <br />to rock <br />gpd/ft2 <br />in/day <br />am/day <br />layer width <br />g� <br />0.1 - 5 <br />1.20 <br />2.00 <br />5.00 <br />1.00 <br />I,t—► <br />6 - 15 <br />0.79 <br />1.26 <br />3.21 <br />1.52 <br />C07 <br />16 - 30 <br />0.60 <br />0.96 <br />2.44 <br />2.00 <br />i <br />31 - 45 <br />0.50 <br />0.80 <br />2.03 <br />2.40 <br />46 - 60 <br />61 - 120 <br />0.45 <br />0.24 <br />0.72 <br />0.38 <br />1.83 <br />0.98 <br />2.6L _ <br />5.00 <br />teec-S 2_ MP I u si" C� �/L� & 0 <br />eASAt <br />444-X <br />-p24-,w (pOO C-.PD <br />! s ? ?_U X <br />� � = >> Cl ('ou-fvb iti! L <br />L P2vP,fy3!'1 <br />EARTH <br />OF VARIOUS <br />SIZED <br />CRAWLER <br />tttin u O A,,; <br />TRACTORSa <br />P16(,t-n, <br />CA, �/c(-� <br />/ 5 /'S�De::) <br />s. <br />Model <br />Weight, <br />Ground <br />Pressure on <br />Sof'ur.6 <br />lbs <br />contact area, <br />ground, <br />sq. in. <br />lbs/sq. ft. <br />TD-25E <br />71,700 <br />5,456 <br />1,892 <br />TD-20E <br />49,172 <br />4,774 <br />1,483 <br />TD-20E LGP# <br />49,750 <br />8,245 <br />869 <br />TD-15C <br />31,520 <br />3,463 <br />1,311 <br />TD-15C LGP* <br />38,666 <br />8,506 <br />655 <br />TD-12 <br />28,000 <br />2,912 <br />1,385 <br />TD-8E <br />17,150 <br />2,393 <br />1,032 <br />TD-7E <br />13,900 <br />2,)70 <br />922 <br />dInformation fr <br />ernational <br />Construction Equipment <br />Buyer's Guide, 1982. <br />;LGP means low ;, <br />pressure. <br />C <br />