Liquefaction and reliquefaction resistance of saturated sand deposits treated with sand compaction piles 1 2 Gowtham Padmanabhan a and Ganesh Kumar Shanmugam b, * 3 4 5 6 a Department of Earthquake Engineering 7 Indian Institute of Technology Roorkee 8 Roorkee, Uttarakhand - 247667, India 9 Email: gowtham@eq.iitr.ac.in 10 11 b Scientist and Assistant Professor 12 Geotechnical Engineering Division 13 CSIR – Central Building Research Institute 14 Academy of Scientific and Innovative Research (AcSIR) 15 Roorkee, Uttarakhand - 247667, India 16 Email: ganeshkumar@cbri.res.in 17 18 *corresponding author, 19 Email address: ganeshkumar@cbri.res.in 20 21