Drilling starts with unreinforced piles first. After the unreinforced piles that reach the required depth are finished, reinforced piles are started and the application is made in accordance with the project standards.
This method, which is mostly applied in Dam Body, aims to provide impermeability. The application of this shoring system is the same as the Diaphragm Wall. It allows the dam to hold water by extending the hydrographic curve in the dam bodies.