Civil Engineering Professional Engineer Practice Exam 2026 - Free PE Practice Questions and Study Guide

Concrete creep refers to the gradual, time-dependent deformation that occurs in concrete when it is subjected to a sustained load. Over time, as the structure experiences this constant load, the concrete continues to deform, even if the load remains unchanged. This phenomenon is particularly important in structural engineering because it can lead to long-term changes in the geometry of a structure, potentially affecting its performance and stability.

The significance of understanding creep lies in its implications for the design and analysis of concrete structures. Engineers must account for creep when designing structures to ensure that they can accommodate expected deformations without leading to failure or excessive deflection.

In contrast, the other options do not accurately describe concrete creep. A sudden increase in strength does not capture the gradual nature of creep. An instantaneous crack formation relates to initial failure mechanisms rather than the long-term deformation associated with creep. Lastly, although enhancing durability is a critical concern in concrete design, it does not define what creep is. Understanding concrete creep is essential for effective structural analysis and ensuring the longevity and safety of concrete structures.