Pile Termination Criteria for Rock Socketed Piles in Chennai Metro Project

Pile termination decision at site is replete with dealing with uncertainties and challenges in identifying grade of rock in the case of rock socketed piles. This paper deals with application of pile termination criteria for some stretch in Chennai metro project. Methods of determining the criteria to decide on pile termination using rock classification, geological identification and pile termination ratio have been explored. A site friendly method for applying the pile termination at field has been executed and recommended as a guideline in this paper.