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All Journal Cerucuk. Prodi S1 T. Sipil.
Ade Yuniati Pratiwi
Departement of Civil Engineering, Lambung Mangkurat University
Civil Engineering, Building, Construction & Architecture

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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
CERUCUK Vol 10, No 7 (2026): CERUCUK VOL. 10 NO. 7 JULY 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v10i7.20799

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
OPTIMIZATION OF LINK LENGTH AND PLACEMENT OF ECCENTRICALLY BRACED FRAME (EBF) TO ENHANCE STRUCTURAL RESPONSE IN A 12-STORY STEEL BUILDING Muhammad Indra Setiadi; Ade Yuniati Pratiwi
CERUCUK Vol 10, No 8 (2026): CERUCUK VOL. 10 NO. 8 AUGUST 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/crc.v10i8.20803

Abstract

Seismic-resistant building design is essential in regions like South Kalimantan, which are prone to earthquakes and dominated by soft soil conditions. The Eccentrically Braced Frame (EBF) system offers an effective structural solution due to its high stiffness and ductility through controlled plastic deformation in the link element. However, the performance of this system is highly influenced by the link length and the placement of the bracing.This study aims to optimize the link length and the placement of eccentric bracing to improve the structural performance of a 12-story steel building under seismic loading. Numerical simulations were conducted using SAP2000 software by applying several EBF configurations to evaluate structural responses such as drift ratio, base shear, and element capacity checks based on SNI 1726:2019 and AISC 341-16 standards.The results show that variations in link length and bracing placement significantly affect structural behavior. Models utilizing short links and strategically placed bracing demonstrated lower drift and higher base shear values compared to structures without EBF. Therefore, optimizing EBF components proves to enhance both the resilience and efficiency of high-rise steel building design in seismic zones. Keywords: Eccentrically Braced Frame, Link Optimization, Structural Response, Steel Building.
Co-Authors Kamil Al Kahfi Sobina Muhammad Indra Setiadi