Construction technology and quality control of bored piles
This paper mainly introduces the construction technology of bored piles and the treatment of some common quality problems. The technology includes: 1 site preparation, 2 pile casings, 3 rig installation, 4 slurry preparation, 5 hole forming, 6 hole forming inspection, 7 hole cleaning, 8 reinforcement cage production 9. Installation 9. Transportation and hoisting of reinforcement skeleton in place 10. Pouring equipment 11. Pouring of underwater concrete 12. Pouring concrete surface sounding and conduit buried depth control 13. Cutting off pile head; Common quality problems include: hole collapse, borehole deflection, falling objects, etc.