Sound insulation properties of materials and methods used in civil engineeringMerey Yerzatova, Temirlan Zhaksybekov, Askhat Rakhimov, Nuraly Akhmetov and Aleksandr BuryanovE3S Web Conf., 533 (2024) 01005DOI: https://doi.org/10.1051/e3sconf/202453301005