Massachusetts Unrestricted Construction Supervisor License Practice Test

Which section of ACI 318 specifically addresses the curing of concrete in cold weather construction?

1. Section 5.8

2. Section 5.12

3. Section 5.10

4. Section 5.9

The correct answer is: Section 5.12

Section 5.12 of ACI 318 specifically addresses the curing of concrete in cold weather construction. This section outlines the procedures and precautions that must be taken to ensure that concrete maintains the necessary temperature and moisture levels during the curing process in cold conditions. Curing is crucial to the development of concrete strength and durability, and cold weather can significantly impede this process. The stipulations in Section 5.12 help to mitigate risks such as delayed setting times, freeze-thaw damage, and inadequate hydration, which can all compromise the structural integrity of the cured concrete. By adhering to these guidelines, construction professionals can take necessary actions such as using insulated coverings, heating elements, or other methods to maintain optimal curing conditions despite lower ambient temperatures. The focus on this section underscores the importance of understanding environmental impacts on construction practices and the specific measures needed to ensure successful curing in challenging weather conditions.