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The University of MissouriColumbia
Department of Civil Engineering
Assigned: Monday, September 12, 2011
Due: Friday, September 16, 2011
CE 3400 – Fall 2011
Homework No. 3 – Site Investigation
1.
An SPT measurement is made at a depth of 20 ft below the ground surface.
The
recorded blow counts or successive 6 in penetrations are 71211.
Assume this
measurement was made using equipment with 60% efficiency.
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Unformatted text preview: a. What is the N 60 value at this depth? b. If the effective stress at this depth is 1200 psf, what is the value of N 1,60 ? (see pg 93 to 95 of Coduto) 2. A Shelby tube for sampling has an outside diameter of 3 inches and a wall thickness of 1/16 in. Compute the area ratio of the sampler. 3. Work Problem 3.7 in Coduto. 4. Work Problem 3.9 in Coduto 5. Work Problem 3.26 in Coduto...
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This note was uploaded on 09/23/2011 for the course CIVIL ENGI CE 3400 taught by Professor Rosenblad during the Spring '11 term at Missouri (Mizzou).
 Spring '11
 Rosenblad
 Civil Engineering, Geotechnical Engineering

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