Temperature Management Control Measures for Mass Concrete

Mass concrete has characteristics of good durability and high load-bearing capacity, making it widely used in large buildings and infrastructure construction. However, during the curing process, significant heat of hydration is generated, which, if not controlled, can lead to cracks. To manage this, temperature control measures can be implemented in three main aspects:

Firstly, controlling the absolute heat generation by using low heat of hydration cements, optimizing mix proportions, and reducing the water-cement ratio can prevent rapid temperature rise. Secondly, methods such as layered pouring, pouring during cooler seasons or at night, internal cooling, and external cooling can reduce the temperature difference between the inside and outside, thereby minimizing thermal stress-induced cracks. Lastly, improving surrounding conditions through optimized structural design, increasing surface reinforcement, and appropriate foundation treatment can further reduce crack formation and propagation.

These measures effectively manage temperature variations and the internal-external temperature difference, ensuring the integrity and durability of mass concrete structures.