What kind of structural systems is irregular building construction associated with?

Irregular building construction often involves a variety of structural systems to accommodate unique designs or unexpected conditions. Site cast concrete and steel are particularly well-suited for such structures because they offer flexibility and strength, which are essential when dealing with irregular geometries and load paths.

Site cast concrete enables the creation of custom shapes and dimensions, allowing for significant adaptability to architectural designs. This technique can effectively respond to various loads and stresses that might arise in irregular structures. Steel, known for its high strength-to-weight ratio, provides the ability to construct longer spans and add complex forms that may not be feasible with traditional materials like wood or masonry.

In contrast, the other options limit the scope of materials associated with irregular construction. Relying solely on concrete, wood, or steel ignores the versatility and benefits of combining different materials to tackle the challenges presented by unique architectural requirements. Thus, the integration of site cast concrete and steel aligns well with the necessity for innovative solutions in irregular building construction.