The 25mm thick major steel tube is driven Using the conclude closed by a metal shoe. On achieving the required driving resistance, a full duration cage is lowered in into the tube and full of large slump concrete. The tube is then vibrated out leaving a shaft of concrete. Log https://cast-in-situ-piles-in-ban73716.canariblogs.com/the-definitive-guide-to-cast-in-situ-piles-47538844