6.5 A site is underlain by about 14 m of hydraulic fill sand with the following properties. Grain size characteristics: Din <0.074 mm D300.14 mm Do = 0.17 mm Do = 0.20 mm Saturated unit weight = 18.8 kN/m³ Average uncorrected SPT resistance = 6 blows/ft Average cone tip resistance = 3 MPa The groundwater table is located at a depth of 2m. (a) Estimate the shear wave velocity of the hydraulic fill at a depth of 5 m by as many proce- dures as the available data will support. (b) Shear wave velocity measurements at this site have indicated hydraulic fill shear wave velocities ranging from about 120 m/sec - 200 m/sec at 5 m depth with an average value of about 170 m/sec. Comment on the level of agreement between the estimated shear wave velocities from Part (a) and the measured shear wave velocities.

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6.5 A site is underlain by about 14 m of hydraulic fill sand with the following properties.
Grain size characteristics: Dio <0.074 mm
D30 = 0.14 mm
Dso = 0.17 mm
Do = 0.20 mm
Saturated unit weight = 18.8 kN/m²
Average uncorrected SPT resistance = 6 blows/ft
Average cone tip resistance = 3 MPa
The groundwater table is located at a depth of 2m.
(a) Estimate the shear wave velocity of the hydraulic fill at a depth of 5 m by as many proce-
dures as the available data will support.
(b) Shear wave velocity measurements at this site have indicated hydraulic fill shear wave
velocities ranging from about 120 m/sec - 200 m/sec at 5 m depth with an average value of
about 170 m/sec. Comment on the level of agreement between the estimated shear wave
velocities from Part (a) and the measured shear wave velocities.
Transcribed Image Text:6.5 A site is underlain by about 14 m of hydraulic fill sand with the following properties. Grain size characteristics: Dio <0.074 mm D30 = 0.14 mm Dso = 0.17 mm Do = 0.20 mm Saturated unit weight = 18.8 kN/m² Average uncorrected SPT resistance = 6 blows/ft Average cone tip resistance = 3 MPa The groundwater table is located at a depth of 2m. (a) Estimate the shear wave velocity of the hydraulic fill at a depth of 5 m by as many proce- dures as the available data will support. (b) Shear wave velocity measurements at this site have indicated hydraulic fill shear wave velocities ranging from about 120 m/sec - 200 m/sec at 5 m depth with an average value of about 170 m/sec. Comment on the level of agreement between the estimated shear wave velocities from Part (a) and the measured shear wave velocities.
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