Puristumisjännitykset

Puristumisjännitykset, known in English as compressive stresses, are a type of stress that arises within a material when external forces push inward on it. This inward force causes the material to compress or shorten. In contrast to tensile stresses, which pull a material apart, compressive stresses attempt to squeeze it.

These stresses are common in many engineering applications. For example, the pillars supporting a bridge experience significant compressive stress due to the weight of the bridge and traffic above. Similarly, the foundations of buildings are designed to withstand the compressive forces from the structure they support. Materials like concrete are particularly strong under compression, which is why they are widely used in construction.

The presence of compressive stresses can affect a material's behavior and its resistance to failure. While some materials are strong in compression, others, like certain types of glass or brittle plastics, can fracture or break when subjected to high compressive loads. Understanding and accurately calculating puristumisjännitykset is crucial for ensuring the structural integrity and safety of various engineering designs and preventing material failure.