6.6 At the site described in Problem 6,5. the hydraulic fill is underlain by a 15 m thick deposit of medium stiff, norma

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6 6 At The Site Described In Problem 6 5 The Hydraulic Fill Is Underlain By A 15 M Thick Deposit Of Medium Stiff Norma 1 (58.71 KiB) Viewed 29 times

6.6 At the site described in Problem 6,5. the hydraulic fill is underlain by a 15 m thick deposit of medium stiff, normally consolidated silty clay with the following properties: Water content = 40% Liquid limit - 46 Plastic limit=23 Saturated unit weight = 15.9 KN Cone tip resistance = 8 to 14 kg/cm Undrained shear strength - 27 to 61 kPa (a) Estimate the shear wave velocity of the silty clay at a depth of 20 m by as many procedures as the available data will support. (b) Shear wave velocity measurements at this site have indicated silty clay shcar wave veloc ities ranging from about 120 m/sec H 180 m/sec at 20 m depth with an average value of about 155 m/sec. Comment on the level of agreement between the estimated shear wave velocities from Part (a) and the measured shear wave velocities.