The Anyang plant area of a major state-owned enterprise in China features a single-story portal frame structure with continuous spans. The foundation is of the independent type, with some foundations resting on backfilled soil from an original 25-meter deep trench. Due to the foundation's sinking, the surface of the overhead traveling beams became uneven, rendering them unusable. Field monitoring revealed further settlement of up to 125mm, necessitating lifting and alignment correction.

Design drawings incorporate anchor bolt static pressure pile construction. Steel pipe specifications are 159*6mm, with pile length of 12m as per geological survey report, extending 500mm into the fifth soil layer. The pile is grouted with C35 fine aggregate micro-expansion concrete, followed by lifting with a lifting device.

The H-shaped steel column under the beam structure is 9.0 meters tall. The greater challenge encountered during the lifting process was the column's stability. The project team conducted in-depth research and scientific guidance, ensuring principles of economy, simplicity, and speed. They added lateral supports between the columns and inclined tie rods in the vertical direction. The columns were lifted in sync with the walls, and their stability was well-maintained throughout the lifting process.

After the tireless efforts of four technicians and thirty skilled一线 workers, the task was completed successfully within the scheduled timeframe, restoring the use of the vehicle and maximizing the recovery of the customer's losses.