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All Journal International Journal of Engineering Science and Technology Development (IJEST) Jurnal Teknik ITS International Conference on Engineering and Technology Development (ICETD) Journal of Civil Engineering Spektra: Jurnal Fisika dan Aplikasinya Journal of Infrastructure and Facility Asset Management Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil
. Faimun
Departemen Teknik Sipil Institut Teknologi Sepuluh Nopember Surabaya
Aerospace Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Library & Information Science Materials Science & Nanotechnology Mathematics Physics Transportation

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Journal : Journal of Civil Engineering

 1 
Non-linear finite element analysis of reinforced concrete deep beam with web opening Ferry Alius; Bambang Piscesa; Faimun Faimun; Harun Alrasyid; Data Iranata
Journal of Civil Engineering Vol 35, No 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v35i1.7480

Abstract

The use of Reinforced Concrete (RC) deep beams in building may requires web openings or holes for electrical and mechanical utilities passage. This web opening will change the behavior of RC deep beam and may resulted in early cracks even at service load. Hence, it is important to use a suitable tool to predict the full response of RC deep beam with opening. For that purpose, nonlinear finite element method using 3D-NLFEA software package which utilize a plasticity-fracture model is used to predict the behavior of RC deep beam. One deep beam specimen available in the literature is investigated. To study the effect of using structured and unstructured mesh, as well as different element types on the load deflection curve, hexahedral and tetrahedral solid element was used. From the comparisons, it was observed that the crack pattern between two different meshes was not similar. Structured mesh often has straighter crack propagation compared to the unstructured mesh. The load deflection curve for both models are similar and both models were performed satisfactorily in predicting the peak load of the deep beam.
SHEAR BUCKLING ANALYSIS OF CORRUGATED WEB I-GIRDER WITH 3D NONLINEAR FINITE ELEMENT METHOD Ni Putu Ary Yuliadewi; Heppy Kristijanto; Bambang Piscesa; Priyo Suprobo; Faimun Faimun
Journal of Civil Engineering Vol 36, No 2 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v36i2.9611

Abstract

This paper presents a shear buckling analysis of corrugated web I-girder beam using nonlinear finite element analysis. An in-house finite element package called 3D-NLFEA is used in the simulation. The steel material is modelled as solid elements with one-eight aspect ratio between the element size and its thickness. The double sine waves equation is used to generate the initial imperfection in the corrugated web. The nonlinear geometry deformation, which is essential in capturing the buckling behavior, is considered using the 2nd order analysis in 3D-NLFEA. A comparison with the carried out experimental test in the laboratory showed that the peak prediction from the analytical model was in good agreement. Furthermore, using the double sine waves equation as the initial imperfection can closely predict the buckling mode and shapes of the corrugated web I-girder as obtained from the experimental test.
FINITE ELEMENT MODELING OF CIRCULAR REINFORCED CONCRETE COLUMN CONFINED WITH CFRP UNDER ECCENTRIC LOADING Angga Bayu Christianto; Bambang Piscesa; Faimun Faimun; Pujo Aji
Journal of Civil Engineering Vol 34, No 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.6375

Abstract

This paper presents nonlinear finite element analysis of eccentrically loaded circular Reinforced Concrete (RC) column confined with Carbon Fiber Reinforced Polymer (CFRP) wraps. The concrete constitutive model uses a plasticity-fracture model which is restraint sensitive, utilize a non-constant plastic dilation rate, and is able to simulate the plastic volumetric compaction of concrete core under high confining pressure. For validation of the models, two available specimens from the literature are used in the validations. Excellent agreement between the numerical models and the available test results are obtained in this study. A detailed investigation on the confinement effectiveness of both external and internal confining devices are presented and discussed. This discussion of the confinement effectiveness is important to be included in the design formula.
Co-Authors Aji, Pujo Alrasyid, Harun Angga Bayu Christianto Arie Febry Arie Febry Bambang Piscesa Buntara S. Gan Cavell Aulia Demitha Putri Diana Dwi Yunita Dilla Ayu Laila Nurul Bayyinah Djamaluddin, Rudy Dwi Mide Febriyan Endah Wahyuni Fauzan Kurnianto Ferry Alius Gambiro Soeprapto Heppy Kristijanto I Gusti Putu Raka Indra Komara, Indra Iranata, Data Irawan, Candra Januarti Jaya Ekaputri M. Shahib Al Bari Muhammad Aziz Mubarok Ni Putu Ary Yuliadewi Ni Putu Ary Yuliadewi Patricia Mayang Putri Pelangi Shafira Maharani Priyo Suprobo Tavio, Tavio Vincentius Felix Susanto Wiki Andrian Yusak Maryunianta