ACI Concrete Flatwork Finishing Certification Practice Test 2025 - Free Concrete Flatwork Finishing Practice Questions and Study Guide

High temperatures can indeed accelerate the curing process of concrete, primarily by increasing the rate of the hydration reaction between cement and water. When temperatures rise, the chemical reactions that contribute to concrete hardening can occur more rapidly, which initially may seem beneficial. However, high temperatures also pose significant risks, such as increased evaporation of moisture from the surface of the concrete. This can lead to surface drying, shrinkage cracks, and ultimately, compromised strength if the concrete does not retain sufficient moisture during the curing process.

Proper curing is essential for achieving the desired strength and durability in concrete. Thus, while high temperatures can accelerate the initial curing phase, they must be managed carefully to ensure that adequate moisture is maintained and that the concrete does not suffer from rapid evaporation issues. This makes understanding the effects of temperature critical for achieving optimal curing conditions.