In a site consisting of normally consolidated clean sands,the water table is at 10 ft depth. The average unit weight ofthe sand above and below the water table is 111.5 lb/ft3 and125.0 lb/ft3, respectively. At a 25 ft depth, N60 was reportedas 26. Determine the following:a. (N1)60 using Liao and Whitman’s (1986) equation for CNb. Dr using Skempton’s (1986) correlation c. Friction angle using Schmertmann’s (1975) correlationd. Modulus of elasticity using Kulhawy and Mayne’s (1990)correlation
In a site consisting of normally consolidated clean sands,the water table is at 10 ft depth. The average unit weight ofthe sand above and below the water table is 111.5 lb/ft3 and125.0 lb/ft3, respectively. At a 25 ft depth, N60 was reportedas 26. Determine the following:a. (N1)60 using Liao and Whitman’s (1986) equation for CNb. Dr using Skempton’s (1986) correlation c. Friction angle using Schmertmann’s (1975) correlationd. Modulus of elasticity using Kulhawy and Mayne’s (1990)correlation
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
In a site consisting of normally consolidated clean sands,
the water table is at 10 ft depth. The average unit weight of
the sand above and below the water table is 111.5 lb/ft3 and
125.0 lb/ft3, respectively. At a 25 ft depth, N60 was reported
as 26. Determine the following:
a. (N1)60 using Liao and Whitman’s (1986) equation for CN
b. Dr using Skempton’s (1986) correlation
c. Friction angle using Schmertmann’s (1975) correlation
d. Modulus of elasticity using Kulhawy and Mayne’s (1990)
correlation
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