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All Journal IPTEK The Journal for Technology and Science Journal of Civil Engineering
Data Iranata
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Computer Science & IT

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Journal : Journal of Civil Engineering

 1 
EFFECT OF REDUCED BEAM SECTION IN STAGGERED TRUSS FRAME STRUCTURE VIERENDEEL ELEMENT WITH EARTHQUAKE LOAD ANALYSIS M. Farid Nurul Iman; Endah Wahyuni; Data Iranata
Journal of Civil Engineering Vol 32, No 2 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (678.524 KB) | DOI: 10.12962/j20861206.v32i2.4560

Abstract

The purpose of this study is to describe the effect of Reduced Beam Section in vierendeel panel element in STF system’s inelastic behavior based on earthquake load analysis. STF system is applied to 4, 6, and 10 storey building that served as office building. The structure’s system used Special Moment Resisting Frame (SMRF) system in longitudinal direction (W-E) and STF system in transversal direction (N-S). The analysis method that used in this study is nonlinear pushover analysis. Application of RBS in vierendeel panel element showed that by the increasing of storey number, the ductility of the structure was increased in both directions, while N-S direction has bigger ductility than W-E direction. Dissipation energy of the structure was also increased, especially in N-S direction. The first yielding process occurred in vierendeel panel element, and then followed by truss and diagonal chord around vierendeel panel element, while the critical condition showed still at life safety level.
Finite Element Modeling of Cold-Formed Steel Bolted Moment Connection Muhamad Fauzan Akbari; Data Iranata; Djoko Irawan
Journal of Civil Engineering Vol 37, No 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i2.12798

Abstract

This paper describes the finite element procedure for modeling cold-formed steel bolted moment connection to simulate hysteretic moment-rotation behavior and failure mode. The connection element consists of CFS curved flange beams, double-lipped channel columns, and trough plates. Abaqus software is used in this paper. The modeling procedure includes material properties, bolt modeling, boundary conditions, mesh, loading, and geometrical imperfections. The results of the finite element modeling were compared with the experimental test results in the form of a back-bone of the moment-rotation curve and a comparison of failure deformation. It was found that the finite element results had fairly good accuracy in predicting the hysteretic moment–rotation behavior. In the elastic region, the result shows that the finite element model successfully simulates the initial stiffness of the referenced beam-column connection. Meanwhile, the peak moment of the finite element model occurs at the same rotation as the experimental test but the magnitude of the peak moment is lower than the experimental result, which indicates that the finite element model produces a more conservative design. The comparison of failure deformation between finite element model and experimental test shows a very good agreement. The numerical model can simulate well the rotational behavior of the beam-column connection and can predict the general shape and location of local/distortional buckling at the beam-column connection.
Co-Authors Djoko Irawan Endah Wahyuni M. Farid Nurul Iman Muhamad Fauzan Akbari