TY - CONF T1 - Stiffness analysis on singly-reinforced and doubly reinforced graded concrete beams using 2D numerical modeling JO - PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON GREEN ENGINEERING & TECHNOLOGY 2022 (ICONGETECH 2022) UR - http://dx.doi.org/10.1063/5.0198533 PY - 2024/06/07 AU - Pratama MMA AU - Maulana R AU - Istiqomah DA AU - Dewi CP AU - Karyadi ED - DO - DOI: 10.1063/5.0198533 PB - AIP Publishing Y2 - 2025/05/30 ER -