What is the standard curing temperature range for concrete?

The standard curing temperature range for concrete is typically considered to be between 10°C and 32°C (50°F and 90°F), with many guidelines specifying a more optimal range around 20°C to 25°C (68°F to 77°F) for best results. This range supports not only proper hydration of the concrete but also helps in avoiding issues related to setting times and mechanical properties.

Choosing a temperature range that exceeds 30°C may lead to rapid evaporation of moisture and an increased risk of thermal cracking due to quick setting, while temperatures below 10°C can significantly slow down the curing process. Therefore, the correct answer closely aligns with established best practices for concrete curing, ensuring adequate strength gain and quality of the finished product.