9.1 - Precast and Prestressed Concrete
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Practice Questions
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What is creep in concrete?
💡 Hint: Think about the time dependency of deformation in materials.
Name the two primary types of shrinkage.
💡 Hint: Consider the types connected with moisture loss.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does creep in concrete primarily result from?
💡 Hint: Think about how time impacts concrete under constant stress.
True or False: Shrinkage always occurs under load.
💡 Hint: Consider the definitions of shrinkage and loading conditions.
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Challenge Problems
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A prestressed concrete beam is experiencing excessive bending due to unaccounted creep. Discuss the steps you would recommend to the design team for mitigating this issue.
💡 Hint: Consider material properties and environmental factors that could alter the design.
During a project review, it became apparent that the precast panels were cracking. Analyze what factors might contribute to this issue based on creep and shrinkage phenomena.
💡 Hint: Reflect on how environmental influences and material choices impact performance.
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