Enhance, replace locally, or adjust the internal forces of load-bearing structures, components, and related parts that lack sufficient reliability or meet the owner's requirements for increased reliability, ensuring they possess the safety, durability, and applicability as per current design specifications and the owner's demands.

Engineering reinforcement design solutions include methods such as increased cross-section reinforcement, encased steel reinforcement,复核 cross-section reinforcement, wrapped wire reinforcement, external prestress reinforcement, additional surface layer reinforcement, and abutment column reinforcement.