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Gregg Clrr Interpretation Software 1. I., 2007 <br />6 Estimated permeability, ksm (based on Normalized SBA) <br />(Lunne et al., 1997 and table below) <br />7 Equivalent SPT N60, blows/ft Lunne el aL (1997) <br />N® 4.6 3 <br />8 Equivalent SPT (N t)60 blows/ft (Ni)60 = N. CN, <br />, 0.5where CN = (pahy Vo) <br />9 Relative Density, Dr, (%)D'=Qm/CDr <br />Only SBTn 5.6.7&8 Show 'N/A'in zones 1,2,3,4 & 9 <br />10 Friction Angle, ¢4 (degrees) <br />Only SBTn 5,6,7&8 <br />1 [ C c)tan 0' = -I logl 3-- 1 + 0.292.68L C G vo j <br />Show'N/A' in zones 1,2,3,4&9 <br />11 Young's modulus, Es Es=aqi <br />Only SBT„ 5,6,7&8 Show 'N/A ' in zones 1.2,3,4 &9 <br />12 Small strain shear modulus, Go <br />1 1/3a. Go = So (qi a vo pa)For SBT„ 5,6,7 <br />b. Go =Co qt For SBT, 1. 2. 3& 4 <br />Show 'N/A' in zones 8&9 <br />13 Undrained shear strength, su <br />Only SBA 1,2,3,4&9 <br />sU= (qt- Ovo)/Nkt <br />Show 'N/A' in zones 5,6,7&8 <br />14 Over Consolidation ratio, OCR OCR = kocr Qi' <br />Only SBT„ .,2,3,4&9 Show 'N/A ' in zones 5,6,7 &8 <br />SBT Zones SBTo Zones <br />The following updated and simplified SBT descriptions have been used in the <br />software: <br />1 sensitive fine grained 1 sensitive fine grained <br />2 organic soil 2 organic soil <br />3 clay 3 clay <br />4 clay & silty clay 4 clay & silty clay <br />5 clay & silty clay <br />6 sandy silt & clayey silt <br />7 silty sand & sandy silt 5 silty sand & sandy silt <br />8 sand & silty sand 6 sand & silty sand <br />9 sand <br />10 sand 7 sand <br />Gregg Page 3 of 4 8./28/2007 <br />SL Rvcd 2019.01.21