Abstract: The post tensioned, prestressed concrete pipe piles made with posttension method have been widely used in China for almost 30 years. However，Due to the limitations of then technology and manufacture equipment, the performance of these piles is not completely satisfactory. Currently, the hydraulic engineering projects demand better performed posttensioned piles. More and more innovative ideas are applied in the fabricating and engineering applications in the large diameter and long segment posttensioned, prestressed concrete pipe piles. These piles are different from the conventional prefabricated concrete piles in many aspects since it is a systematic framework. The manufacture of the large diameter and long segment pipe piles requires carefully planning starting the design, fabricating, splicing, storage and transporting as well as quality assurance and quality control.

Key words: Long Segment Concrete Pipe Piles, Post-Tensioned Presstress Technique, Pipe Pile Manufacture