What is a rotary cast in place pile?
For the good cohesive rock soil layer, dry or clear water drilling technology can be adopted, without mud wall protection. For loose and easy to collapse formations, or groundwater distribution, unstable wall, it is necessary to use static mud wall drilling technology, and put in protective wall slurry or stabilizing liquid into the hole.
Rotary drilling rig is the first barrel type rotary drill through the bottom valve with broken rock and soil, and directly in the drilling bucket, and then by the rig hoisting device and drill rod of the drilling bucket dumping hole is proposed, so the cycle, constantly borrow dump, until the drill to the design depth.
Engineering terminology, generally refers to the construction of rotary drilling machine pile type, the full name of rotary drilling pile, engineering referred to as rotary pile. Due to the use of mechanical work, the number of workers is not high, it can save a lot of labor costs.
