If major cracking is found in a concrete foundation and vessel settlement is ruled out, what is a likely cause?

Choosing fatigue or poor materials as a likely cause for major cracking in a concrete foundation, when vessel settlement has been ruled out, is well-founded. Fatigue refers to the weakening of a material caused by repeated loading and unloading cycles, which can lead to the formation of cracks. If the materials used in the foundation are of poor quality or not suitable for the specific environmental or loading conditions they are exposed to, they can fail to perform as intended, leading to significant structural issues such as cracking.

This situation emphasizes the importance of selecting appropriate materials that can withstand operational stresses and environmental conditions. On top of that, the choice of construction methods and adherence to standards can also influence the durability of the concrete foundation.

Understanding the role of material properties and structural design is crucial in maintaining the integrity of pressure vessels and their supporting structures. This insight can help reinforce the need for proper engineering practices to ensure long-term performance and safety.