The 25mm thick heavy steel tube is pushed Together with the conclusion shut by a metal shoe. On achieving the expected driving resistance, an entire duration cage is reduced in to the tube and stuffed with significant slump concrete. The tube is then vibrated out leaving a shaft of concrete. https://johnnypbiqu.bloggerchest.com/32484236/the-best-side-of-cast-in-situ-piles-in-dhaka