Linear Analysis for Performance Evaluation of Twin Suspension Bridge's Upper Structure (Case Study: Barito Bridge, Barito Kuala Regency)

Kamil Al Kahfi Sobina, Ade Yuniati Pratiwi

Abstract


Linear analysis using MIDAS CIVIL 2022 GEN V1.2 software was used to evaluate the overall performance and stability of the Barito Bridge structure. This analysis aims to ensure that the structural design meets applicable technical standards and safety aspects. Some of the main parameters analyzed include the self-weight of the structure, the maximum deflection value, the deformed shape, and the internal forces on the main structural elements. Based on the analysis, the self-weight of the structure is 37,150 kN. The framing system consists of clamps on the pylon and main cable, rollers on the saddle, and joints on the deck. The maximum sprung reaction occurred at node 14 amounting to 7,806.47 kN. The maximum displacement generated was recorded at the left Top Chord (TC) of 449.454 mm, the right Top Chord (TC) of 478.175 mm, the left Botom Chord (BC) of 450.694 mm, the right Botom Chord (BC) of 492.333 mm. The analysis results show that the structure is able to withstand the working load with deformation and internal forces that are still within the safe limit of L/800 of 525.625 mm.

Keywords : Linear Analysis, Structural Stability, Suspension Bridge, Deflection Target, Structural Performance


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References


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DOI: https://doi.org/10.20527/crc.v10i7.20799

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GOOGLE SCHOLAR : Kutipan = 2, H-index = 1, i10-index = 0