Structural Analysis of the Uma Lulik Kapitan Afaia in Baricafa Village, Timor-Leste, Using the Load and Resistance Factor Design (LRFD) Method

Uma Lulik in Baricafa Village, Timor-Leste, is a traditional building that represents the local community culture. This building has a wooden structure consisting of three main components: head, body, and legs/feet, showing adaptability to environmental changes. The purpose of this study is to examine the structural behavior of wooden buildings against axial force loading, internal force, and shear force. This research uses a quantitative approach with finite element modeling through SAP2000 V22 software to analyze the behavior of structures against axial forces, bending forces, and shear forces in accordance with SNI 7973-2019 standards. This research was conducted by taking direct measurements of the structural elements of Uma Lulik Kapitan Afaia and calculating the structural capacity. The analysis results show that the wooden structure of Uma Lulik Kapitan Afaia meets the structural design requirements. Although there are certain elements that experience maximum deformation, such as the second-floor cantilever beam (Opui'i), the overall structure remains stable due to the interconnectedness of the elements. The columns showed good capacity in resisting axial and shear loads, thus maintaining the stability of the structure despite facing combined vertical and horizontal loads.