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_ GRADING ANALYSES <br /> MOISTURE ATTERBERG UNCONFINED <br /> x A DRY UNIT CONTENT SIEVE SIZE - PERCENT PASSING HYDROMETER ANALYSES* LIMITS COMPRESSIVE <br /> m BORING SAMPLE WEIGHT % OF DRY STRENGTH <br /> NO. NO. Ib/ft3 -WEIGHT I" 3/4" 4 10 40 200 SILT SIZE CLAY SIZE COLLOIDS L.L. P.I. kips/W <br /> Z <br /> m' <br /> -B-1 4 0 ' 9 6. 2 2 0 . 1 k= 8 . 2 x 10 6 Cm/sec Brown Clayey Fine to Med Sand 50 Blass last 2" <br /> B-2 30 ' 106. 8 13 . 0 k= 1. 0 x 104 cm/sec Brown Silty Fine Sand 50 blows last 2 <br /> B-4 35 ' 98 16 . 9 k= 2. 4 x 104 cm/sec Brown Silty-Fine to Med Sand 50 blows last 2" <br /> N — - <br /> LA <br /> > O <br /> D <br /> z m <br /> to <br /> s <br /> P - <br /> 1 <br /> v <br /> � r <br /> m <br />