Effect of Marble Dust Powder on the Properties of Fresh and Hard Concrete Shekhar Singh, Hanumant Sharan Singh, Nakul Gupta, K. Hemalatha, Sudarshan T A, Navdeep Singh, Praveen and Q. Mohammad E3S Web of Conf., 529 (2024) 01018 Published online: 29 May 2024 DOI: 10.1051/e3sconf/202452901018