4.2. Types of Shrinkage

Try these first

1. 1.

   What is plastic shrinkage?

   Hint

   Think about what happens to wet surfaces in the sun.

2. 2.

   Define drying shrinkage.

   Hint

   Consider the time frame of when concrete is set.

3. 3.

   What type of shrinkage occurs soon after placing concrete?

   • Plastic Shrinkage
   • Drying Shrinkage
   • Carbonation Shrinkage

   Hint

   Think about the wet surface condition shortly after pouring.

4. 4.

   True or False: Drying shrinkage is the most common type of shrinkage in concrete.

   • True
   • False

   Hint

   Consider how moisture loss affects concrete after curing.

5. 5.

   Analyze how varying the water-cement ratio influences the types and extent of shrinkage in concrete. Provide a detailed response with examples.

   Hint

   Remember how water affects volume in your construction mix.

6. 6.

   Evaluate the structural impacts of not addressing shrinkage in a significant concrete project and suggest preventative measures.

   Hint

   Consider how these strategies influence concrete over time.