Experimental studies on shear stiffness of soil under external loading conditions Sherzod Tursunov, Dilafuruz Tursunova, Abror Vakhidov, Zieviddin Khojamov, Firuza Makhmudova, Nilufar Masaridinova and Bekzod Bobobekov BIO Web Conf., 149 (2024) 01072 Published online: 28 November 2024 DOI: 10.1051/bioconf/202414901072