Creep of Concrete
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Questions and Answers

What is the definition of 'creep' in concrete?

  • Deformations of concrete only under self-weight
  • Deformations of concrete under temporary loads
  • Time dependent deformations of concrete under permanent loads (correct)
  • Immediate deformations of concrete under permanent loads

    • Which type of load causes creep in concrete?

  • Intermittent loads
  • Temporary loads
  • Permanent loads (correct)
  • Cyclic loads

    • What is the main factor influencing the creep of concrete?

  • Permanent loads (correct)
  • Humidity levels
  • Temporary loads
  • Temperature changes

    • How would you describe the deformations in concrete under creep?

    <p>Time-dependent and permanent</p> Signup and view all the answers

    Which factor does NOT play a significant role in influencing the creep of concrete?

    <p>Cyclic loads</p> Signup and view all the answers

    How does creep behave as the relative humidity decreases?

    <p>Creep increases</p> Signup and view all the answers

    What is the relationship between ambient relative humidity and creep?

    <p>Creep increases as humidity decreases</p> Signup and view all the answers

    In what way does creep respond to changes in relative humidity?

    <p>Creep increases</p> Signup and view all the answers

    What happens to creep when relative humidity rises?

    <p>Creep remains constant</p> Signup and view all the answers

    How is creep affected by higher levels of relative humidity?

    <p>Creep increases</p> Signup and view all the answers

    What happens to creep as the water-cement ratio increases?

    <p>Creep increases</p> Signup and view all the answers

    What happens to concrete if the load is maintained for a considerable period of time?

    <p>It undergoes additional deformations.</p> Signup and view all the answers

    How does the age of concrete affect the rate of creep?

    <p>The rate of creep rapidly decreases with time</p> Signup and view all the answers

    How does concrete behave when subjected to a constant load over time?

    <p>It experiences additional deformations.</p> Signup and view all the answers

    What effect does a high water-cement ratio have on the strength of concrete?

    <p>Decreases strength</p> Signup and view all the answers

    What change occurs in concrete if the load is kept constant for an extended period?

    <p>It undergoes creep deformation.</p> Signup and view all the answers

    How does the rate of creep change with low w/c ratio?

    <p>Decreases</p> Signup and view all the answers

    If a load is applied to concrete for a long time, what deformation can be expected?

    <p>Creep deformation</p> Signup and view all the answers

    What impact does the age of concrete have on its durability?

    <p>Improves durability</p> Signup and view all the answers

    What is the result of maintaining a load on concrete without any change for an extended period of time?

    <p>Additional deformations</p> Signup and view all the answers

    How does creep affect internal stresses in concrete structures?

    <p>Reduces them</p> Signup and view all the answers

    What is the impact of creep on the occurrence of cracking in concrete structures?

    <p>Decreases cracking</p> Signup and view all the answers

    How does nonuniform shrinkage contribute to the reduction of cracking in concrete structures?

    <p>It helps reduce cracking</p> Signup and view all the answers

    What is one of the benefits of creep in concrete structures?

    <p>Reduces internal stresses</p> Signup and view all the answers

    How does creep contribute to the overall durability of concrete structures?

    <p>Improves long-term performance</p> Signup and view all the answers

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