10.9. Curing in Special Conditions

Try these first

1. 1.

   What is hydration in concrete?

   Hint

   Think about the chemical reaction necessary for hard concrete.

2. 2.

   Name one method used for curing concrete in cold weather.

   Hint

   What do we use to keep something warm?

3. 3.

   What is a primary concern when curing concrete in cold weather?

   • Accelerated evaporation
   • Freezing of water
   • Increased humidity

   Hint

   Think about what happens to water when it gets too cold.

4. 4.

   True or False: White-pigmented curing compounds can help reduce heat absorption in hot weather.

   • True
   • False

   Hint

   Consider what color reflects sunlight best.

5. 5.

   A city experiences an unexpected cold snap during a construction project. Outline a complete cure plan for a concrete slab being poured under these conditions, considering the necessary materials and techniques.

   Hint

   Consider the tools available to keep concrete from freezing.

6. 6.

   You are in charge of a large concrete pour during a summer heatwave. Identify three key measures to ensure the curing process is effective under these extreme conditions.

   Hint

   Think about how to keep things cool during the heat.