Foundation Selection Quiz
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Foundation Selection Quiz

Created by
@ObtainableBay

Questions and Answers

What is the primary difference between gross pressure (qg) and net pressure (qn)?

  • Gross pressure is the pressure exerted by the foundation, while net pressure is the pressure exerted by the soil
  • Gross pressure is the total pressure at the base of the foundation, while net pressure is the pressure in excess of the pressure due to the soil (correct)
  • Gross pressure is the pressure exerted by the building, while net pressure is the pressure exerted by the foundation
  • Gross pressure includes the weight of the soil, while net pressure does not
  • What is the relationship between net ultimate bearing capacity (qnu) and ultimate bearing capacity (qu)?

  • qnu = qu / Df
  • qnu = qu * Df
  • qnu = qu - Df (correct)
  • qnu = qu + Df
  • Which type of soil failure is associated with a well-defined wedge pattern?

  • General shear failure
  • Punching shear failure
  • Local shear failure (correct)
  • All of the above
  • What is the relationship between safe bearing capacity (qs) and net safe bearing capacity (qns)?

    <p>qs = qns + Df</p> Signup and view all the answers

    Which of the following is NOT a factor in determining the net safe bearing capacity (qns)?

    <p>Soil cohesion (c)</p> Signup and view all the answers

    Which type of soil failure is associated with a well-defined failure pattern and is characteristic of dense sand?

    <p>General shear failure</p> Signup and view all the answers

    What is the primary difference between general shear failure and punching shear failure?

    <p>Both a and b</p> Signup and view all the answers

    Which of the following is NOT a type of shallow foundation?

    <p>Pile foundation</p> Signup and view all the answers

    Which foundation type is typically used for structures with heavy and concentrated loads?

    <p>Mat foundation</p> Signup and view all the answers

    Which code or standard is typically used to design shallow foundations in the United States?

    <p>ASCE 7</p> Signup and view all the answers

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