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Speeding up the curing process of concrete can improve construction efficiency and help save some valuable time in a dead-line driven project. Several measures like concreting in warm weather conditions, introducing calcium chloride to wet concrete mixture, covering concrete with plastic sheet, etc. can help increase the rate of the concrete curing process.

These considerations can increase hydration of cement and hence cut down the curing time. Nonetheless, one should be aware of the possible detrimental effects of these measures on concrete properties, which may endanger the structure’s safety. Curing of concrete is a process by which concrete is protected against loss of moisture required for hydration and kept within the recommended temperature range.

How to Speed up the Curing Process of Concrete?

  1. Concreting in a warm environment can increase the speed of the curing process. Sunny weather is desirable because high temperature encourages the curing of concrete.
  2. Use relatively warm water in the concrete mix to induce reactions. Warm water increases the speed of chemical reactions in concrete. However, one should be aware that overly hot water can have a damaging effect on concrete.
  3. Blend calcium chloride with wet concrete mix before placement to increase the speed of cement hydration.
  4. Use water-reducing admixture to reduce the w/c ratio without compromising the workability and strength of concrete. The use of a high quantity of water in the concrete mix can delay the setting of concrete, increasing the time needed for concrete to gain adequate strength.
  5. Cover recently poured concrete with a plastic sheet to keep the moisture intact within the concrete. This accelerates the curing process.
Concreting in Hot Weather
Figure-1: Concreting in Hot Weather
Calcium Chloride
Figure-2: Calcium Chloride
Cover Concrete with Plastic Sheet
Figure-3: Covering Concrete with Plastic Sheet

FAQs

What is concrete curing?

Curing of concrete is a process by which concrete is protected against loss of moisture required for hydration and kept within the recommended temperature range.

Why is it important to speed up the curing process of concrete?

Speeding up the curing process of concrete can improve construction efficiency and help save some valuable time in a dead-line driven project.

What are some methods that can speed up curing process of concrete?

1. Begin concreting in a hot environment or hot weather.
2. Add calcium chloride to concrete.
3. Cover concrete with plastic sheets.
4. Add water-reducing admixture to the concrete mix.
5. Add warm water to the concrete mix.

Why is recently poured concrete covered with plastic sheet?

The plastic sheet would keep the moisture intact within the concrete and hence encourage and accelerate the curing process.

Read More

Curing Methods for Different Types of Concrete Construction

Different Types of Concrete Curing Compounds, their Properties and Uses

Curing Methods for Different Types of Concrete Construction

Madeh Izat Hamakareem

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