Apriliana EE, Irawan C, Suprobo P. Application of Non-Linear Fiber Section Model on Spun Piles With and Without Concrete Infill Subjected to Cyclic Loading. JCE [nternet]. 2025Jul.21 [cited 2025Dec.6];39(1):36. vailable from: https://journal.its.ac.id/index.php/jce/article/view/7338