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All Journal Media Ilmiah Teknik Sipil
Syahril Taufik
Institut Sains dan Teknologi Nasional
Civil Engineering, Building, Construction & Architecture

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Evaluasi Numerik Kekuatan Dan Kemampuan Layan Jembatan Girder Komposit Baja Menggunakan Welded Beam SM490: Numerical Evaluation Of Strength And Serviceability Of Steel Composite Girder Bridges Using Welded Beam SM490 Prabowo Suharto; Syahril Taufik
Media Ilmiah Teknik Sipil Vol. 14 No. 2 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v14i2.12297

Abstract

Composite Girder Bridge is a bridge construction consisting of profile steel material with reinforced concrete. The intact steel section profile used in the composite girder bridge is not produced by the manufacturer in Indonesia, so it uses a built-up section profile from high-strength plate grade SM490. Numerical Evaluation of the strength and serviceability of the bridge uses a nonlinear analysis method based on FEA software. Finite Element Analysis using ANSYS R2025 identifies the main structural components of steel in the form of SHELL181 and the concrete structure as SOLID65. Shell Model is used to represent the steel girder because the analysis results are close to the experimental test results of 91.20%. The results of ANSYS verification with node loading in the middle of the span using WB1350x12x20x20 obtained a performance of 74.44% against   fu = 490 MPa, and reinforced concrete 44.207% against f'c = 30 MPa. Examination of the composite girder diaphragm system for serviceability with a distance between girders of 1.6 m obtained a performance of 2.960% below the standard load of 500 kN. After reinforcement with the addition of a cover plate and modification of the diaphragm, the steel deflection capacity was reduced to 58.39% while the concrete increased to 50.967%.
Perilaku Mekanik Model Castellated Beam Pada Struktur Girder Baja Pedestrian Bridge Dengan Metode Elemen Hingga: Mechanical Behavior Of Castellated Beam Model In Steel Girder Structure Of Pedestrian Bridge Using Finite Element Method Syahril Taufik; Yulistiawan Yulistiawan
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v14i1.10886

Abstract

Castellated Beam is an efficient steel structure innovation, but it has the potential  for Local Buckling due to holes in the web. Formation of Castellated Beam profiles  from Hot Rolled Section WF 350x175x11x7 profiles to CB 525x175x11x7. The study analyzed the behavior  of Castellated Beam models  with variations in hexagonal hole cutting angles, flat structure geometry, camber and hybrid configurations. Element method analysis up to ANSYS R2025 steel girder structure application  modeled 3D Shell Element SHELL181. The Shell Model is more accurate in representing  the Castellated Beam structural response  and is more efficient and easy in the computational modeling process, more suitable for the analysis  of the Castellated Beam structure. The results of the 52° cutting angle study resulted in maximum strength. Castellated Beam camber with stiffener increases the ultimate load by 88.78% and decreases deformation by 40.36%. Hybrid configuration  by improving the quality of the top flange can increase the performance of the structure by 40.38% by lowering the maximum voltage by 10%. The addition of a diaphragm to a double hybrid Castellated Beam un-camber span of 12 m and a distance between girders of 2.65 m can reduce deformation by 33.41%. Hybrid Castellated Beam camber is optimal in improving the performance of the structure efficiently. An increase in structural strength is obtained with an increase in maximum load that results in a bending stress close to the melting stress of each Castellated Beam hybrid element of about 90%-95%.
Co-Authors Prabowo Suharto Yulistiawan Yulistiawan