Comparative Analysis of Soil Shear Strength Stabilization of Paya Tumpi Soft Clay with Burni Telong Volcanic Ash – Wih PesamSuwandi, Munirwansyah and Halida YunitaE3S Web Conf., 476 (2024) 01016DOI: https://doi.org/10.1051/e3sconf/202447601016