Locking steel pipe pile processing → site cleaning → sinking guide frame positioning pile → measurement positioning → sinking a steel pipe pile → other piles successively sinking → dredging in the steel pipe pile cofferdam → internal support → steel pipe pile Dredging in the cofferdam → bottom sealing of the steel pipe pile cofferdam. Steel pipe pile p...

The perforation technology of seamless steel pipes is an important technology in the production of seamless steel pipes, which guarantees the quality and efficiency of seamless steel pipes. The key to promotion.

In addition to the above-mentioned inspection items, the comprehensive inspection of pressure vessels must also carry out a pressure test (generally a hydraulic test). Carry out non-destructive inspection or spot inspection of all welds on the main welds.

It is forbidden to place flammable and explosive materials in the welding site. Sufficient fire-fighting equipment should be provided in the welding site to ensure adequate lighting and good ventilation.

Two-point crane should be used for loading and unloading steel sheet piles. When hoisting, the number of steel sheet piles to be hoisted at a time is not suitable for too many, and special attention should be paid to maintain the lock from damage.

The steel sheet piles are inspected on site. After the steel sheet piles are transported to the site, they need to be sorted out.