Typical Operation Procedures in constructing a cast-in-place concrete pile with a bell pile bottom

  1. Centering
  2. Starting drilling
  3. Inserting stand pipe
  4. Feeding bentonite
  5. Drilling till the specified depth
  6. Inserting belling bucket
  7. Reaming bore hole bottom
  8. Measuring depth
  9. Setting up iron-reinforcement cage
  10. Inserting tremie tube
  11. Cleaning slime by an air-lift
  12. Concreting
  13. Completing cast-in-place concrete pile with belli