The length of a single section of oblique precast support piles should not exceed 15m. The joints of oblique precast support piles should not exceed 2 oblique precast support piles. The height of the top ring beam of oblique precast support piles should not be less than 600mm.
T/SCDA 062-2022 history
2022T/SCDA 062-2022 Application technical standard of oblique prefabricated pile foundation pit support system