lisäraudoitus

Lisäraudoitus is a Finnish term that translates to "additional reinforcement" or "supplementary reinforcement" in English, and it refers to the practice of adding extra steel reinforcement to a concrete structure beyond what was originally specified in the design. This is typically done to increase the load-bearing capacity or to improve the durability of an existing structure.

The need for lisäraudoitus can arise for several reasons. It might be a remedial measure when a structure is found to be under-designed for its current or anticipated loads. For example, if a bridge is to be used by heavier vehicles than originally intended, additional reinforcement might be necessary. It can also be implemented when the original concrete has deteriorated, compromising its structural integrity, or when changes in building codes or standards require a higher level of reinforcement for safety reasons.

The process of lisäraudoitus involves carefully assessing the existing structure, calculating the required additional reinforcement, and then installing new steel bars, often bonded to the existing concrete surface using epoxy adhesives or by mechanically anchoring them into pre-drilled holes. This technique is common in civil engineering and construction for strengthening beams, columns, slabs, and other structural elements. Proper planning and execution are crucial to ensure that the additional reinforcement effectively integrates with the original structure and provides the desired increase in strength and stability.