1. Department of Civil & Environmental Engineering, Indian Institute of Technology Tirupati, Yerpedu-Venkatagiri Rd., Yerpedu Post, Chittoor District, Tirupati, AP 517619, India, https://orcid.org/0000-0002-6567-2209 (P.V.)
2. Department of Civil & Environmental Engineering, Indian Institute of Technology Tirupati, Yerpedu-Venkatagiri Rd., Yerpedu Post, Chittoor District, Tirupati, AP 517619, India (Corresponding author), e-mail: bkp@iittp.ac.in, https://orcid.org/0000-0002-2313-0815