The conditions of cold weather concreting exist when the air temperature has fallen to, or is expected to fall below, 40°F (4°C) during the protection period. The time it takes for a cold joint to form depends on several factors, including the curing conditions, ambient temperature, and. As predicted, frigid air has made its way into New York State this week. It seems unusually early for this type of weather as temperatures like these are more typical in late January or even February. This guide covers every threshold across both standards, explains why they exist, shows how member thickness changes the numbers, and tells you exactly how to. This document guides specifiers, contractors, and concrete producers through the selection processes that identify methods for cold weather concreting. Protection period is defined as the time required for the concrete to.
