A standard penetration test is carried out in sand where the efficiency of the hammer ₁ 50%. If the measured N-value at 7.5 m depth is 20, find Neo and (N₁)so. The unit weight of the sand is 18.08 kN/m³. Assume n = 1 and = 15 1R = 0.95. If you know that: ns = 15 mR

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
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Chapter3: Natural Soil Deposits And Subsoil Exploration
Section: Chapter Questions
Problem 3.19P
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A standard penetration test is carried out in sand where the efficiency of the hammer n
50%. If the measured N-value at 7.5 m depth is 20, find Noo and (N₁)60. The unit weight of the sand is
= 15 MR
= 1 and
18.08 kN/m³. Assume ¹
= 0.95. If you know that:
ns
Transcribed Image Text:= A standard penetration test is carried out in sand where the efficiency of the hammer n 50%. If the measured N-value at 7.5 m depth is 20, find Noo and (N₁)60. The unit weight of the sand is = 15 MR = 1 and 18.08 kN/m³. Assume ¹ = 0.95. If you know that: ns
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