2.4 - Measurement of Shrinkage
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Practice Questions
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What is shrinkage in concrete?
💡 Hint: Think about moisture and its effects.
What size are standard test specimens for measuring shrinkage?
💡 Hint: Remember the dimensions discussed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the standard size of a test specimen for measuring shrinkage?
💡 Hint: Recall the dimensions mentioned earlier.
True or False: Shrinkage occurs only when concrete is subjected to an external load.
💡 Hint: Consider the definition of shrinkage.
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Challenge Problems
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A concrete prism was subjected to a drying environment and its length decreased from 285mm to 284.5mm after one year. Calculate the shrinkage strain.
💡 Hint: Use the shrinkage strain formula.
Discuss the implications of not measuring shrinkage accurately in a large building project. Give at least three potential consequences.
💡 Hint: Think about how misjudged materials lead to bigger issues.
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