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Midterm Exam with 5 Questions - Soil Mechanics | ME 420, Exams of Soil Mechanics and Foundations

New Mexico Institute of Mining & Technology (NMT)Soil Mechanics and Foundations
Prof. Mohammad R. Razavi

Material Type: Exam; Professor: Razavi; Class: Soil Mechanics; Subject: Mineral Engineering; University: New Mexico Institute of Mining and Technology; Term: Unknown 1989;

Typology: Exams

Pre 2010

Uploaded on 08/08/2009

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Soil Mechanics Midterm Exam
Time: 2 hours
Na me :
ID # :
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Soil Mechanics Midterm Exam

Time: 2 hours

Name: ID #:

  1. The wet densities ( ρ ) and degrees of saturation ( S ) of a soil are given in the following table: ρ(kg/m^3 ) S (%) 1694 50 1806 75 a. Determine void ratio ( e ). b. Determine specific gravity ( Gs ). (15 points)
  1. The laboratory test data for a standard Proctor test are given in the table below: Volume of Proctor Mold (cm^3 ) Mass of Wet Soil in the Mold (kg) Water Content (%) 943.3 1.76 12 943.3 1.86 14 943.3 1.92 16 943.3 1.95 18 943.3 1.93 20 943.3 1.90 22 a. Find the maximum dry unit weight. b. Find the optimum moisture content. (15 points)
  1. The section through a dam is shown in the following figure. The coefficient of permeability of the foundation soil is 2.5×10-^5 m/s. Find the total uplift force ( 25 points).