Find the corrected penetration number ( N 1 ) 60 for various depth.

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Chapter 12, Problem 12.6P

To determine

Find the corrected penetration number (N1)60 for various depth.

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The following are the results of a standard penetration test in sand. Determine the standard penetration numbers, (N₁)60(CORR), at the various depths given. Note that the water table is at depth 5.0 m. Assume that the average unit weight of sand is 15.5 kN/m³ above the water table and the saturated unit weight of sand is 17.81 kN/m³, while the unit weight of water = 9.81 kN/m³. Depth (m) 0.0 1.5 3.0 4.5 6.0 7.5 N60 0 10 15 19 24 28

Following are the results of a standard penetration test in sand. Determine the corrected standard penetration number, (N1)60, at various depths. Note that the water table was not observed within a depth of 10.5 m below the ground surface. Assume that the average unit weight of sand is 17.3 kN/m3. Depth (m) N60 1.5 8 3.0 7 4.6 12 6.0 14 7.5 13

b) Table Q2 provides the result of a standard penetration test in the sandy soil. The water table was not encountered during the test. Assume that the average unit weight of sand is 17.3 kN/m³ and use Skempton's relationship provided, determine the corrected standard penetration numbers, (N₁)eo at various depths given (CO1, PO2) (C3) 2 Skempton's equation: C = = 1+0.010! Table Q2 Depth (m) Noo 1.5 3.0 4.5 6.0 7.5 |4712419|