2.3. Measures to Control Effects of Cold Weather

Try these first

1. 1.

   Why is it important to heat the mixing water in cold weather concreting?

   Hint

   Consider what temperatures affect hydration.

2. 2.

   What is thermal curing?

   Hint

   Think about the conditions that are needed for curing.

3. 3.

   What is one key method to prevent freezing of newly poured concrete?

   • Using thermal blankets
   • Adding more water
   • Pouring at night

   Hint

   Think about insulation methods.

4. 4.

   True or False: It is okay to pour concrete on snow-covered ground.

   • True
   • False

   Hint

   Consider the impact of ice and snow.

5. 5.

   Design a plan for a cold-weather concreting project that includes specific material preparations, equipment, and timing considerations.

   Hint

   Consider what elements foster warm conditions for curing.

6. 6.

   Evaluate the potential risks involved with improper curing in cold temperatures and propose corrective actions.

   Hint

   Think about how temperature affects concrete strength.