What type of construction involves concrete structures that require framework and can conform to various shapes and sizes?

Cast-in-place construction is characterized by the process of pouring concrete into forms at the construction site. This method allows for great flexibility and adaptability to different configurations and complex shapes, making it suitable for a variety of architectural designs. It provides the ability to mold concrete into specific forms that meet the unique requirements of a project, resulting in customized solutions for structures like curved walls, intricate architectural features, and varying elevation levels.

Additionally, cast-in-place construction supports the use of various finishing techniques, can integrate with other materials seamlessly, and is beneficial for achieving strong structural integrity, as the concrete sets in its final location, leading to a cohesive structural system. Thus, the ability of cast-in-place construction to conform to various shapes and sizes truly distinguishes it in the context of building concrete structures.