Suyuti, S. and Muslimin, M. 2025. An Empirical Study for Estimating Ultimate Bearing Capacity of Concrete Small-Pile Cluster in Soft Clays . Journal of Applied Engineering and Technological Science (JAETS). 6, 2 (Jun. 2025), 1397–1411. DOI:https://doi.org/10.37385/jaets.v6i2.4789.