Driving king post piles these days, well not many to drive still happy to part of this project lots of new things to learn, Preparing for circular king post pile pipe welding.
Kingpost pile is generally used for deep excavation to support strut.
Each circular king post is made up with a mildsteel pipe, installed in drilled-hole up-to-the design founding level or 1.0 M embedded inside the rock then it is grouted with high-strength non-shrink cementations grout throughout its embedded length.
Steps of king-post piles driving will be as followed.
1. The setting out of Drilling Rig.
2. Drilling by Down to Hole (DTH) System
3. Rig shifting & Cleaning of Bore Holes.