M. R. Madhav, Jitendra Kumar Sharma and Vaibhaw Garg 2019. Stiffening Effect on End Bearing Granular Piles. Geotechnical Engineering Journal of the SEAGS & AGSSEA . 50, 3 (Sep. 2019), 32–40. DOI:https://doi.org/10.14456/seagj.2019.19.